Daikin Altherma Selection Report

Daikin Altherma Selection Report Produced on 11/24/2012 with Daikin Altherma Simulator V3.8.0 - database Central_USA 8.6.5 Project name Typical Reference House Client name GMP Revision 1 Only the data published in the data book are correct. This program uses close approximations of these data. 1. Solution Overview System layout Low temp - Outdoor/indoor Low temp - Outdoor/indoor Outdoor unit model ERLQ054BAVJU ERLQ030BAVJU Indoor unit model EKHBX054BA3VJU EKHBX030BA6VJU Extra 10236 BTU/h 20473 BTU/h Domestic hot water tank EKHWS050BA3VJU EKHWS050BA3VJU Required heating capacity 34000 BTU/h 33000 BTU/h % covered by HP 99.2% 88.8% % covered by BUH 0.8% 11.2% Energy consumption heating 6964 kwh 8785 kwh Energy cost heating 1045 dollars 1318 dollars Spare cap. in heating, including BUH 1411 BTU/h 620 BTU/h Seasonal COP 2.9 2.2 Required cooling capacity 18000 BTU/h 18000 BTU/h % covered by HP 100.0% 100.0% Energy consumption cooling 410 kwh 746 kwh Energy cost cooling 61 dollars 112 dollars Spare cap. in cooling 18000 BTU/h 9637 BTU/h Annualized EER 20.7 11.4 Page 1

2. Low temp - Outdoor/indoor ERLQ054BAVJU 2.1. Material List Model Qty Description ERLQ054BAVJU 1 Outdoor EKHBX054BA3VJU 1 Indoor EKHWS050BA3VJU 1 Domestic hot water tank EKHBDP 1 Condensate Kit (for EKHBX Cooling Mode) - Altherma DACA-HBA-1 1 1-1/4" BSPT (F) to 1-1/4" NPT Adaptor (M) - Inlet/Outlet (EKHB_054) DACA-THXA-1 1 3/4" BSPP (M) to 1" NPT Adaptor (F) - DHW Inlet/Outlet (EKHWS) DACA-3WVTA-1 1 1" BSPT (M) to 1-1/4" NPT (F) Adaptor - 3-Way Valve (EKHWS) DACA-3WVTH-1 1 1" BSPT (M) to 1" NPT (F) Adaptor - 3-Way Valve Hot Water (EKHWS) DACA-DHWTA-1 1 3/4" BSPP (M) to 3/4" NPT (F) Adaptor - Cold Inlet/Hot Outlet (EKHWS) Page 2

2.2. Selection Criteria Location Country USA Vermont City Rutland State * Design conditions Conditioned surface Required capacity for space heating at min. night temp. Required capacity for space cooling at max. day temp. Application System layout Hydrobox placement Leaving water temperature range heating Leaving water temperature range cooling Power supply 1400 sqft 34000 BTU/h 18000 BTU/h Heat pump Low temp - Outdoor/indoor Wall mounted 86.0 F - 100.0 F 41.0 F - 45.0 F 230V 1ph Domestic hot water Solar connection Material inside Tank type Volume Power supply No Stainless steel Standard tank 53 gal 230V 1ph Page 3

2.3. System Diagram Domestic hot w ater tank EKHWS050BA 3V JU 53 gal Domestic hot water usage Heating & cooling Outdoor ERLQ 054BA V JU Indoor EKHBX054BA 3V JU 230V 1ph R410A Space heating/cooling 230V 1ph 230V 1ph Page 4

2.4. Technical Details Indoor EKHBX054BA3VJU Application Function Reversible Application Low temperature Leaving water range heating 59.0-131.0 F Leaving water range cooling 41.0-71.6 F Technical data Dimensions (WxHxD) 19.8x36.3x14.2 inch Weight 143lbs Drain connection 0.0inch Material Epoxy polyester painted galvanized steel Electrical data Power supply 230V 1ph Fuse size 20A Capacity electric backup heater 3.0 kw Capacity steps 1 Domestic hot water tank Technical data Water volume Max. water temperature Material inside tank Material outside tank Dimensions (WxHxD) Weight Electrical data Electric heater Power supply Fuse size EKHWS050BA3VJU 53 gal 185.0 F Stainless steel Epoxy-Coated Mild Steel 22.8x45.3x22.8 inch 99lbs 10236 BTU/h 230V 1ph 20A Outdoor ERLQ054BAVJU Performance Nominal heating capacity 54594 BTU/h COP 4.2 Operation range heating -4.0-95.0 F Nominal cooling capacity 60736 BTU/h EER 8.7 Operation range cooling 50.0-114.8 F Technical data Dimensions (WxHxD) 38.6x53.1x16.5 inch Weight 227lbs Refrigerant R410A Base charge 8.2lbs Sound data Sound pressure 53dBA Sound power Electrical data Power supply 230V 1ph Fuse size 30A Page 5

2.5. Energy Consumption of the Domestic Hot Water Tank Type of usage Hot water consumption Water temperature Volume per day at 104.0 F Occurrences per day Small 0.8 gal 104.0 F 12.7 gal 16 Floor 0.8 gal 104.0 F 0.8 gal 1 Clean 0.5 gal 131.0 F 1.6 gal 2 Small dishwash 1.6 gal 131.0 F 2.4 gal 1 Medium dishwash 2.1 gal 131.0 F 0.0 gal 0 Larger dishwash 3.7 gal 131.0 F 5.5 gal 1 Large 4.0 gal 104.0 F 0.0 gal 0 Shower 10.6 gal 104.0 F 21.1 gal 2 Bath 27.2 gal 104.0 F 0.0 gal 0 Total per day at 104.0 F 44.1 gal 5.8 kwh Actual total thermal energy consumption per year = 2126 kwh. Actual total electricity consumption per year = 886 kwh. COP calculations for DHW heating. The COP used in the energy calculation is based on the FprEN16147 (replaces the former pren255-3) large tapping pattern at a standard temp set of 118.4 F for preparation of DHW and avoiding the use of booster heater. Page 6

2.6. Graphs Operation period Temperature ( F) 90.0 70.0 50.0 30.0 10.0-10.0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Heating period 0 heating cap. above C ooling period 0 cooling cap. below Month Location Country USA Vermont City Rutland State * Temperatures (min / max) Summer Day 77.4 / 84.4 F Summer Night 63.3 / 70.3 F Winter Day 31.8 / 53.8 F Winter Night -4.0 / 10.0 F The graph shows the simulated outdoor temperature variations within the defined heating months. For heat pumps the graph also shows the temperatures in the cooling months. Page 7

Heating energy cost Heating energy cost (dollars) 3100 3045 2480 2518 1860 1240 1045 1082 620 0 ERLQ 054BA V JU Gas boiler F uel boiler Electric heating Electricity normal tariff High price period 0.15 dollars/kwh Low price period 0.15 dollars/kwh Electricity heat pump tariff High price period 0.15 dollars/kwh Low price period 0.15 dollars/kwh Electricity Direct heater efficiency 100% Connection cost 0 dollars Gas Tariff 1.2500 dollars/thm Efficiency 80% Connection cost 0 dollars Fuel Tariff 3.8500 dollars/gal Efficiency 80% Design conditions Conditioned surface 1400 sqft Required capacity for space heating at min. night temp. 34000 BTU/h Zero heating capacity at outside temperature 60.0 F The graph shows a comparison of the simulated annual running costs for Daikin Altherma, a gas boiler and an oil boiler. The calculation is based upon the selected buildings yearly required thermal input, each systems coefficient of performance (without pump) and the inputted energy prices. Page 8

Heating CO2 emission Heating C O 2 emission (x1000 lbs/y ear) 16.0 15.8 15.0 12.8 11.3 9.6 6.4 5.4 3.2 0.0 ERLQ 054BA V JU Gas boiler Fuel boiler Electric heating Location Country USA Vermont Electricity Heating CO2 emission 0.1606 lbs/kwh Direct heater efficiency 100% Gas Heating CO2 emission 0.0916 lbs/kwh Efficiency 80% Fuel Heating CO2 emission 0.1218 lbs/kwh Efficiency 80% Design conditions Conditioned surface 1400 sqft Required capacity for space heating at min. night temp. 34000 BTU/h Zero heating capacity at outside temperature 60.0 F The graph shows a comparison of the annual CO2 emissions for Daikin Altherma, an electric heating system, a gas boiler and an oil boiler sized to cover the yearly heat load for the simulated building. Neither Daikin Altherma nor the electric heater will have any direct emissions. The emission from these systems is based on calculations according to the average CO2 emission from the selected country's electricity production. Page 9

Energy consumption per month Energy consumption (kwh) 1800 1752 1543 1440 1281 1080 872 885 720 360 269 361 0 36 111 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Heat pump high price period: 6799 kwh / 97.6% (heating) Heat pump low price period: / 0.0% (heating) Heater high price period: 165 kwh / 2.4% Heater low price period: / 0.0% Heat pump high price period: 410 kwh / 100.0% (cooling) Heat pump low price period: / 0.0% (cooling) 163 87 13 Month Yearly energy consumption (heating) 6964 kwh Primary energy use (heating) 17409 kwh Yearly energy consumption (cooling) 410 kwh Primary energy use (cooling) 1024 kwh Yearly energy consumption (heat/cool) 7373 kwh Primary energy use (heat/cool) 18433 kwh Electricity normal tariff High price period 0.15 dollars/kwh Low price period 0.15 dollars/kwh Electricity heat pump tariff High price period 0.15 dollars/kwh Low price period 0.15 dollars/kwh Design conditions Conditioned surface 1400 sqft Required capacity for space heating at min. night temp. 34000 BTU/h Zero heating capacity at outside temperature 60.0 F Required capacity for space cooling at max. day temp. 18000 BTU/h Zero cooling capacity at outside temperature 72.0 F The graph shows the energy consumption (input) per month for the heat pump and back up heater. There is made a separation between day and night operation to show the amount of energy consumption that falls under day and night tariff. Page 10

Energy cost per month Energy cost (dollars) 270 263 231 216 192 162 131 133 108 54 40 54 0 24 17 13 5 2 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Heating C ooling Month Total cost for year (heating) 1045 dollars Total cost for year (cooling) 61 dollars Total cost for year (heat/cool) 1106 dollars Electricity normal tariff High price period 0.15 dollars/kwh Low price period 0.15 dollars/kwh Electricity heat pump tariff High price period 0.15 dollars/kwh Low price period 0.15 dollars/kwh Design conditions Conditioned surface 1400 sqft Required capacity for space heating at min. night temp. 34000 BTU/h Zero heating capacity at outside temperature 60.0 F Required capacity for space cooling at max. day temp. 18000 BTU/h Zero cooling capacity at outside temperature 72.0 F The graph shows the running cost per month for Daikin Altherma according to the inputted electricity prices and the power input as given in the graph "energy consumption per month". Page 11

2.7. Supplementary Explanations Design conditions: The Daikin Altherma simulation software is a static calculation tool, which can be used as an indication for dimensioning Daikin Altherma heat pump systems. The software works with following assumptions. - A detailed study to calculate the heat load should be made. The heat load of the house is a crucial input in the software. Miscalculating the heat load will lead to badly dimensioned heat pump systems with a reduced efficiency. Calculating the heat load cannot be done with the simulation software. - The software uses climatological data, which has been measured and averaged over a number of years. Real conditions will differ from these averaged values. - The simulation is based on the assumption that heating is required 24h/24h. The daytime capacity is calculated in function of ambient temperature and design heat load. The nighttime capacity (night setback) is calculated in function of ambient temperature and fraction of design heat load, for which this fraction is defined as required indoor night temperature divided by 69.8 F. - Eurelectric provides the CO2 emissions per kwh electricity for every country. If Eurelectric does not give a value, the software uses an average value of 0.1606 lbs/kwh instead. Personalising the input data: Under 'Preferences', following input data should be reviewed for every new simulation. - Minimum ambient temperature at which the heating capacity is 0 BTU/h. - Prices for gas, fuel and electricity (including day and night price period) used for comparison. - Day and night period for design room temperature, including night setback temperature. Efficiencies of gas and oil boilers: The efficiency values for gas and oil boilers used for comparative calculations are adjustable under 'Preferences'. The default efficiencies are chosen to reflect the minimum requirements of the European Boiler Efficiency Directive 92/42/EC for low temperature boilers. Domestic warm water production: The Daikin Altherma system can optionally be combined with a sanitary warm water tank for the preparation of domestic warm water. The type of tank and its capacity can be selected in the simulation for the investment cost calculation. Cooling mode: The reversible version of the Low Temperature Daikin Altherma system can provide cooling. The energy consumption for cooling is included in the energy and cost calculations when a reversible system is selected and cooling operation requirements and design parameters/conditions are defined. Page 12

2.8. Field Settings Report 1st code 2nd code 0 User permission level Setting name Date (*) Value (*) Date (*) Value (*) Default value Range Step Unit 00 User permission level 3 2/3 1-1 Weather dependent set point 00 Low ambient temperature (Lo_A) -4 14-4~41 1.8 F 01 High ambient temperature (Hi_A) 60 59 50~68 1.8 F 02 Set point at low ambient temperature (Lo_TI) 100 104 77~131 1.8 F 03 Set point at high ambient temperature (Hi_TI) 86 77 77~131 1.8 F 05 Weather dependent for cooling function enable/disable 0 (OFF) 0/1 - - 06 Low ambient temperature (Lo2_A) 72 68 50~77 1.8 F 07 High ambient temperature (Hi2_A) 84.4 95 77~109.4 1.8 F 08 Set point at low ambient temperature (Lo2_TI) 45 71.6 41~71.6 1.8 F 09 Set point at high ambient temperature (Hi2_TI) 41 64.4 41~71.6 1.8 F 2 Disinfection function 00 Operation interval Fri Mon~Sun, All - - 01 Status 1 (ON) 1 (ON) 0/1 - - 02 Start time 23:00 0:00~23:00 1:00 hour 03 Set point 158 131~176 9 F 04 Interval 10 5~60 5 min 3 Auto restart 00 Status 0 (ON) 0 (ON) 0/1 - - 4 Backup/booster heater operation and space heating off temperature 00 Backup heater operation 1 (ON) 1 (ON) 0/1 - - 01 Backup/booster heater priority 0 (OFF) 0 (OFF) 0/1/2 - - 02 Space heating off temperature 77 57.2~77 1.8 F 03 Booster heater operation 3 0/1/2/3/4 - - 04 Not applicable - - - - - - - - 05 Not applicable - - - - - - - - 06 Backup heater emergency operation 1 (enabled) 07 Backup heater second step 1 (enabled) 5 Equilibrium/Balanced temperature and space heating priority temperature 0/1 1-0/1 1-00 Equilibrium/Balanced temperature status 1 (ON) 1 (ON) 0/1 - - 01 Equilibrium/Balanced temperature 6.5 32 5~95 1.8 F 02 Space heating priority status 1 (ON) 0/1 - - 03 Space heating priority temperatures 32 5~95 1.8 F 04 Set point correction for domestic hot water temperature 50 50 32~68 1.8 F 6 DT for heat pump domestic water heating mode 00 Start 3.6 3.6 3.6~36 1.8 F 01 Stop 3.6 3.6 0~18 1.8 F Scheduled storage and reheat domestic water heating (a) 03 Scheduled time storage 1 (ON) 0/1 1-04 Scheduled time storage start time 1:00 0:00~23:00 1:00 hour 05 Scheduled time reheat or continuous reheat 0 (OFF) 0/1/2 1-06 Scheduled time reheat start time 15:00 0:00~23:00 1:00 hour 07 Domestic hot water reheat set point 81 54~90 1.8 F 08 Domestic hot water reheat set point hysteresis 18 3.6~36 1.8 F 7 DT for booster heater and dual set point control 00 Domestic hot water step length 5.4 0 0~7.2 1.8 F 01 Hysteresis value booster heater 3.6 3.6~72 1.8 F 02 Dual set point control status 0 (OFF) 0/1 - - 03 Second set point heating 18 1.8~43.2 / 45~99 1.8 F 04 Second set point cooling 12.6 9~39.6 1.8 F 8 Domestic hot water heating mode timer Page 13

1st code 2nd code Setting name Date (*) Value (*) Date (*) Value (*) Default value Range Step Unit 00 Minimum running time 5 5 0~20 1 min 01 Maximum running time 30 30 5~95 5 min 02 Anti-recycling time 3 3 0~10 0.5 hour 03 Booster heater delay time 50 50 20~95 5 min 04 Additional running time at [4-02]/[F-01] 95 0~95 5 min 9 Heating and cooling set point ranges C D E F 00 Heating set point upper limit 100 131 98.6~131 1.8 F 01 Heating set point lower limit 86 77 59~98.6 1.8 F 02 Cooling set point upper limit 45 71.6 64.4~71.6 1.8 F 03 Cooling set point lower limit 41 41 41~64.4 1.8 F 04 Overshoot setting (b) 33.8 33.8~39.2 1.8 F Automatic set back function 05 Set back operation 0 (OFF) 0/1 1-06 Set back operation start time 23:00 0:00~23:00 1:00 hour 07 Set back operation stop time 5:00 0:00~23:00 1:00 hour 08 Leaving water set back value 3.6 0~18 1.8 F Setup on EKRP1HB digital I/O PCB 00 Solar priority mode setting 0 0/1 1-01 Alarm output logic 0 0/1 1-02 X1-X2 function. Bivalent operation status 0 0/1 1-03 Bivalent ON temperature 32-13~77 1.8 F 04 Bivalent hysteresis 37.4 35.6~50 1.8 F 05 Not applicable - - - - - - - - Benefit kwh rate power supply/local shift value weather dependent 00 Switching off heaters 0 0/1/2/3 1-01 Unit connection to benefit kwh rate power supply 0 (OFF) 0/1/2 1-02 Not applicable. Do not change the default value - - - - 0 (OFF) - - - 03 Local shift value weather dependent 0 (OFF) 0/1/2/3/4 1-04 Confirm option setting 1 0 0/1 1-05 Pump operation forced off or permitted during backup heater is forced off at benefit kwh rate power supply ([D-00]=0 or 1) 0 (forced off) 0/1 1-06 Not applicable - - - - - - - - Unit information readout 00 Software version Read only - - - 01 EEPROM version Read only - - - 02 Unit model identification (b) - EKCBX008BBV3 13 0 0/13 - - - EKCBH008BBV3 16 16/29 - - 03 Liquid refrigerant temperature Read only - 1.8 F 04 Inlet water temperature Read only - 1.8 F Option setup 00 Pump operation stop 0 (enabled) 0/1 1-01 Space cooling permission temperature 68 50~95 1.8 F 02 Bottom plate heater ON temperature 37.4 37.4~50 1.8 F 03 Bottom plate heater hysteresis 41 35.6~41 1.8 F 04 Functionality of X14A (b) 1 0/1 - - Underfloor heating screed dry-out program 05 Action number selection 1 1~20 1-06 Heating set point of selected action number [F-05] 77 (c) 59~131 1.8 F 07 Time of selected action number [F-05] 0 (c) 0~72 12 hour 08 Underfloor heating screed dry-out program enabled/disabled 0 (OFF) 0/1 1-09 Latest action number executed 0 0~21 (Read only) (*) Installer setting at variance with default value. (a) The storage and reheat function is only applicable in case [4-03]=4. (b) Only possible to modify the first 3 minutes after power ON. (c) For all action numbers of [F-05]. 0 - Page 14

Note: The preferred settings of your Daikin Altherma system are mentioned in field settings report. For more details see installation manual. Page 15

Information Form for Customers Guidance for purchasing a heat pump - information form for customers - Warning! Read before purchasing Efficient operation of this heat pump will only be ensured if the system is correctly matched to the heat loss of the building and climate zone in which it is installed! Always consult a competent installer and ask them to complete this form before purchasing! This form should be completed by a qualified installer to provide you with information and recommendations about the most suitable heat pump system for your home. In this way you will obtain the benefits of the very high efficiency of heat pumps which concentrate the heat stored in the air, ground or water. Some systems are also reversible and can produce cooling through extracting heat and ejecting it to the immediate surroundings. Some systems may also provide hot water for sanitary use. Heat pumps can be selected which can be used with most distribution systems including radiators, warm air and under floor heating, and can be retrofitted to most existing heating systems with some suitable precautions as set out below. Reducing heat loss and solar gain of buildings If your dwelling is more than 10 years old, before choosing a heat pump, it may be cost effective to first improve your insulation, to reduce heat loss for heating you building or heat gain if you are looking to cool it. (It is actually more efficient to fit a smaller heat pump in a well insulated building, for example) If you accept the installer s recommendations for improving insulation, the heat pump you buy should then be sized appropriately. For further information on reducing heat loss or solar gain and sizing and installing heat pumps systems consult www.kyotoinhome.info Page 16

Customer name... Address... Building type: detached / semi-detached / terraced / apartment Approximate year built:... 1. Description of existing heating system / building Fuel type Existing distribution system Minimum design temperature for heating of current system ( F) Heat loss of building in current state (BTU/h) Maximum design temperature for cooling of current system ( F) Potential solar heat gain of building in current state (BTU/h) oil / mains gas / direct electricity / coal / bottled gas / other radiators / warm air / under floor heating / other 2. Recommendations for upgrading building insulation Measures for reducing heat loss Reduced heat loss (BTU/h) Measures for reducing solar gain Reduced solar gain (BTU/h) 3. Primary heating Heat pump manufacturer Daikin Model ERLQ054BAVJU Heat source air Distribution medium Refrigerant R410A Heat capacity (BTU/h) 54594 Heat output / electricity input 4.2 Seasonal efficiency over year 2.9 Capable of supplying domestic hot water? Yes Auxiliary heating Type EKHBX054BA3VJU Heat capacity (kw) 3.0 Cooling (if required) Cooling capacity (BTU/h) Cold output / electricity input Annual demands and emissions Renewable energy (kwh) Energy consumption (kwh) 6964 Carbon dioxide emissions (tonnes CO2) 2.5 Carbon dioxide savings (%) 66 Installer signature... Qualifications... Company... Address... Date... Page 17

Information Form for Installers Guidance for installing a heat pump - information form for installers - Warning! Read before purchasing Efficient operation of this heat pump requires a competent installer to design the heating system to match the heat loss of the building and climate zone and to install the system in accord with the manufacturers instructions. Heat pumps have a very high efficiency because they only use energy to concentrate the heat present in the ground, water or air. Some models can also operate in reverse mode and produce cooling by rejecting heat from a dwelling. The information contained in this form will enable you to ensure that the benefits of the heat pump unit are carried over to the collector and distribution systems and to complete the form which shall be given to the customer to explain your choice. 1. Minimum information to be supplied by the manufacturer Manufacturer Daikin Model ERLQ054BAVJU Heat collector Brazed plate heat exchanger Heat distribution medium Heating capacity (BTU/h) 64831 Cooling capacity (BTU/h) 60736 Hot water supply Yes Refrigerant type R410A / GWP = 1975 Noise level (dba) 53 Parts available from date of sale (years) 10 Coefficient of performance (heating) 4.2 Specifying inlet and outlet temperatures ( F) LWC=89.4 (DT=9.0) Energy efficiency ratio (cooling) 8.7 Specifying inlet and outlet temperatures ( F) LWE=64.4 (DT=9.0) For retrofitting to existing heating systems, the heat pump should be selected to match the existing distribution system which may be ducted warm air, hot water via radiators or underfloor heating. As the outlet temperature may be lower than that of the boiler it will replace, it is essential to identify ways of reducing the heat loss or solar gain in order to maintain the same size of distribution system. Definitions Coefficient of performance (COP) is the ratio of heat output to electricity input for a specified source and output temperature. Energy efficiency ratio (EER) is the ratio of cold output to electricity input for a specified source and output temperature. Seasonal coefficient of performance (SCOP) is the coefficient of performance averaged over the length of the heating season for the heat pump system at a specified location. Annualized energy efficiency ratio (SEER) is the energy efficiency ratio averaged over the length of the cooling season for the heat pump system at a specified location. Page 18

The primary energy ratio (PER) is given by: COP 0,40 (or COP/2,5) for heat pumps with electrically driven compressors and by COP 0,91 (or COP/1,1) for heat pumps with gas driven compressors, where 0,40 is the current European average electricity power generation efficiency including grid losses and 0,91 is the current European average gas efficiency including distribution losses. The manufacturer shall provide programs, tools and guidelines to help you perform the following calculations. Climatic data should be appropriate for the geographical location of the building. 2. Reducing the heat loss and solar gain of buildings If the dwelling is more than 10 years old, then it will probably be cost effective to reduce the heat loss by increasing the insulation level and to reduce the solar gain by restricting the direct rays of the sun during the summer. If the customer accepts your recommendations then the system should be sized for the reduced heat loss and solar gain. For further information on reducing heat loss or solar gain and sizing and installing heat pumps systems consult www.kyotoinhome.info 3. Heat loss and sizing of the heating system The heat loss of the building shall be calculated in accordance with national practice or using a suitable validated computer program based on EN 12831, the Euronorm for calculating heat loss. This heat loss should then be compared with the current values required by building codes. For existing buildings, it is generally cost effective to bring the insulation standard closer to current values before sizing the heat pump for the reduced heat loss. Seasonal performance factor and energy consumption for heating The calculation shall consider: - climate (outdoor air temperature), - design outdoor temperature, - the variation of the ground-temperature over a year (for ground-source heat pumps, both with vertical and horizontal collectors), - desired temperature indoors, - temperature level of hydronic heating systems, - annual energy demand for space heating, - annual energy demand for domestic hot water (if applicable), Primary Energy Ratio (PER) and Annual CO2 emissions The average efficiency for power/gas generation as well as electric grid/gas distribution losses to be used in the calculation. CO2 emissions and savings to be calculated based on the primary energy usage. 4. Solar gain and sizing of the cooling system If the system can also produce cooling then the solar gain of the building shall be calculated in accordance with national practice or using a validated computer program. This gain should then be compared with the current values required by building codes. For existing buildings, it is generally cost effective to reduce the solar gain before sizing the heat pump for the reduced solar gain. Annualized energy efficiency ratio and energy consumption for cooling The calculation shall consider: - climate (outdoor air temperature), - design outdoor temperature, - the variation of the ground-temperature over a year (for ground-source heat pumps, both with vertical and horizontal collectors), - desired temperature indoors, Page 19

- temperature level of hydronic heating systems, - annual energy demand for space cooling. Primary Energy Ratio (PER) and Annual CO2 emissions The average efficiency for power/gas generation as well as electric grid/gas distribution losses to be used in the calculation. CO2 emissions and savings to be calculated based on the primary energy usage. 5. Training for installers and drillers Suitable courses are available in most Member States to enable installers to obtain appropriate national or European accredited qualifications. Manufacturers shall either organise their own courses to assist installers with using their equipment or work with local training institutes to provide such information as part of their courses. For ground source heat pumps where a vertical bore hole is required, suitable courses for drillers are available in some Member States. Page 20

3. Low temp - Outdoor/indoor ERLQ030BAVJU 3.1. Material List Model Qty Description ERLQ030BAVJU 1 Outdoor EKHBX030BA6VJU 1 Indoor EKHWS050BA3VJU 1 Domestic hot water tank EKHBDP 1 Condensate Kit (for EKHBX Cooling Mode) - Altherma DACA-HBA-2 1 1" BSPT (F) to 1" NPT Adaptor (M) - Inlet/Outlet (EKHB_030) DACA-THXA-1 1 3/4" BSPP (M) to 1" NPT Adaptor (F) - DHW Inlet/Outlet (EKHWS) DACA-3WVTA-1 1 1" BSPT (M) to 1-1/4" NPT (F) Adaptor - 3-Way Valve (EKHWS) DACA-3WVTH-1 1 1" BSPT (M) to 1" NPT (F) Adaptor - 3-Way Valve Hot Water (EKHWS) DACA-DHWTA-1 1 3/4" BSPP (M) to 3/4" NPT (F) Adaptor - Cold Inlet/Hot Outlet (EKHWS) Page 21

3.2. Selection Criteria Location Country USA Vermont City Rutland State * Design conditions Conditioned surface Required capacity for space heating at min. night temp. Required capacity for space cooling at max. day temp. Application System layout Hydrobox placement Leaving water temperature range heating Leaving water temperature range cooling Power supply 1400 sqft 33000 BTU/h 18000 BTU/h Heat pump Low temp - Outdoor/indoor Wall mounted 86.0 F - 120.0 F 41.0 F - 45.0 F 230V 1ph Domestic hot water Solar connection Material inside Tank type Volume Power supply No Stainless steel Standard tank 53 gal 230V 1ph Page 22

3.3. System Diagram Domestic hot w ater tank EKHWS050BA 3V JU 53 gal Domestic hot water usage Heating & cooling Outdoor ERLQ 030BA V JU Indoor EKHBX030BA 6V JU 230V 1ph R410A Space heating/cooling 230V 1ph 230V 1ph Page 23

3.4. Technical Details Indoor EKHBX030BA6VJU Application Function Reversible Application Low temperature Leaving water range heating 77.0-131.0 F Leaving water range cooling 41.0-68.0 F Technical data Dimensions (WxHxD) 19.8x36.3x14.2 inch Weight 143lbs Drain connection 0.7inch Material Epoxy polyester painted galvanized steel Electrical data Power supply 230V 1ph Fuse size 30A Capacity electric backup heater 6.0 kw Capacity steps 2 Domestic hot water tank Technical data Water volume Max. water temperature Material inside tank Material outside tank Dimensions (WxHxD) Weight Electrical data Electric heater Power supply Fuse size EKHWS050BA3VJU 53 gal 185.0 F Stainless steel Epoxy-Coated Mild Steel 22.8x45.3x22.8 inch 99lbs 10236 BTU/h 230V 1ph 20A Outdoor ERLQ030BAVJU Performance Nominal heating capacity 28764 BTU/h COP 4.0 Operation range heating -4.0-77.0 F Nominal cooling capacity 28560 BTU/h EER 9.3 Operation range cooling 50.0-109.4 F Technical data Dimensions (WxHxD) 32.5x28.9x11.8 inch Weight 123lbs Refrigerant R410A Base charge 3.7lbs Sound data Sound pressure 49dBA Sound power Electrical data Power supply 230V 1ph Fuse size 20A Page 24

3.5. Energy Consumption of the Domestic Hot Water Tank Type of usage Hot water consumption Water temperature Volume per day at 104.0 F Occurrences per day Small 0.8 gal 104.0 F 12.7 gal 16 Floor 0.8 gal 104.0 F 0.8 gal 1 Clean 0.5 gal 131.0 F 1.6 gal 2 Small dishwash 1.6 gal 131.0 F 2.4 gal 1 Medium dishwash 2.1 gal 131.0 F 0.0 gal 0 Larger dishwash 3.7 gal 131.0 F 5.5 gal 1 Large 4.0 gal 104.0 F 0.0 gal 0 Shower 10.6 gal 104.0 F 21.1 gal 2 Bath 27.2 gal 104.0 F 0.0 gal 0 Total per day at 104.0 F 44.1 gal 5.8 kwh Actual total thermal energy consumption per year = 2126 kwh. Actual total electricity consumption per year = 886 kwh. COP calculations for DHW heating. The COP used in the energy calculation is based on the FprEN16147 (replaces the former pren255-3) large tapping pattern at a standard temp set of 118.4 F for preparation of DHW and avoiding the use of booster heater. Page 25

3.6. Graphs Operation period Temperature ( F) 90.0 70.0 50.0 30.0 10.0-10.0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Heating period 0 heating cap. above C ooling period 0 cooling cap. below Month Location Country USA Vermont City Rutland State * Temperatures (min / max) Summer Day 77.4 / 84.4 F Summer Night 63.3 / 70.3 F Winter Day 31.8 / 53.8 F Winter Night -4.0 / 10.0 F The graph shows the simulated outdoor temperature variations within the defined heating months. For heat pumps the graph also shows the temperatures in the cooling months. Page 26

Heating energy cost Heating energy cost (dollars) 3000 2956 2400 2444 1800 1318 1200 1051 600 0 ERLQ 030BA V JU Gas boiler F uel boiler Electric heating Electricity normal tariff High price period 0.15 dollars/kwh Low price period 0.15 dollars/kwh Electricity heat pump tariff High price period 0.15 dollars/kwh Low price period 0.15 dollars/kwh Electricity Direct heater efficiency 100% Connection cost 0 dollars Gas Tariff 1.2500 dollars/thm Efficiency 80% Connection cost 0 dollars Fuel Tariff 3.8500 dollars/gal Efficiency 80% Design conditions Conditioned surface 1400 sqft Required capacity for space heating at min. night temp. 33000 BTU/h Zero heating capacity at outside temperature 60.0 F The graph shows a comparison of the simulated annual running costs for Daikin Altherma, a gas boiler and an oil boiler. The calculation is based upon the selected buildings yearly required thermal input, each systems coefficient of performance (without pump) and the inputted energy prices. Page 27

Heating CO2 emission Heating C O 2 emission (x1000 lbs/y ear) 16.0 15.4 14.6 12.8 11.0 9.6 6.9 6.4 3.2 0.0 ERLQ 030BA V JU Gas boiler Fuel boiler Electric heating Location Country USA Vermont Electricity Heating CO2 emission 0.1606 lbs/kwh Direct heater efficiency 100% Gas Heating CO2 emission 0.0916 lbs/kwh Efficiency 80% Fuel Heating CO2 emission 0.1218 lbs/kwh Efficiency 80% Design conditions Conditioned surface 1400 sqft Required capacity for space heating at min. night temp. 33000 BTU/h Zero heating capacity at outside temperature 60.0 F The graph shows a comparison of the annual CO2 emissions for Daikin Altherma, an electric heating system, a gas boiler and an oil boiler sized to cover the yearly heat load for the simulated building. Neither Daikin Altherma nor the electric heater will have any direct emissions. The emission from these systems is based on calculations according to the average CO2 emission from the selected country's electricity production. Page 28

Energy consumption per month Energy consumption (kwh) 2500 2420 2074 2000 1686 1500 1000 1004 1038 500 0 231 62 202 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Heat pump high price period: 6572 kwh / 74.8% (heating) Heat pump low price period: / 0.0% (heating) Heater high price period: 2214 kwh / 25.2% Heater low price period: / 0.0% Heat pump high price period: 746 kwh / 100.0% (cooling) Heat pump low price period: / 0.0% (cooling) 304 157 21 334 Month Yearly energy consumption (heating) 8785 kwh Primary energy use (heating) 21964 kwh Yearly energy consumption (cooling) 746 kwh Primary energy use (cooling) 1866 kwh Yearly energy consumption (heat/cool) 9532 kwh Primary energy use (heat/cool) 23829 kwh Electricity normal tariff High price period 0.15 dollars/kwh Low price period 0.15 dollars/kwh Electricity heat pump tariff High price period 0.15 dollars/kwh Low price period 0.15 dollars/kwh Design conditions Conditioned surface 1400 sqft Required capacity for space heating at min. night temp. 33000 BTU/h Zero heating capacity at outside temperature 60.0 F Required capacity for space cooling at max. day temp. 18000 BTU/h Zero cooling capacity at outside temperature 72.0 F The graph shows the energy consumption (input) per month for the heat pump and back up heater. There is made a separation between day and night operation to show the amount of energy consumption that falls under day and night tariff. Page 29

Energy cost per month Energy cost (dollars) 370 363 311 296 253 222 148 151 156 74 0 46 50 35 30 24 9 3 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Heating C ooling Month Total cost for year (heating) 1318 dollars Total cost for year (cooling) 112 dollars Total cost for year (heat/cool) 1430 dollars Electricity normal tariff High price period 0.15 dollars/kwh Low price period 0.15 dollars/kwh Electricity heat pump tariff High price period 0.15 dollars/kwh Low price period 0.15 dollars/kwh Design conditions Conditioned surface 1400 sqft Required capacity for space heating at min. night temp. 33000 BTU/h Zero heating capacity at outside temperature 60.0 F Required capacity for space cooling at max. day temp. 18000 BTU/h Zero cooling capacity at outside temperature 72.0 F The graph shows the running cost per month for Daikin Altherma according to the inputted electricity prices and the power input as given in the graph "energy consumption per month". Page 30

3.7. Supplementary Explanations Design conditions: The Daikin Altherma simulation software is a static calculation tool, which can be used as an indication for dimensioning Daikin Altherma heat pump systems. The software works with following assumptions. - A detailed study to calculate the heat load should be made. The heat load of the house is a crucial input in the software. Miscalculating the heat load will lead to badly dimensioned heat pump systems with a reduced efficiency. Calculating the heat load cannot be done with the simulation software. - The software uses climatological data, which has been measured and averaged over a number of years. Real conditions will differ from these averaged values. - The simulation is based on the assumption that heating is required 24h/24h. The daytime capacity is calculated in function of ambient temperature and design heat load. The nighttime capacity (night setback) is calculated in function of ambient temperature and fraction of design heat load, for which this fraction is defined as required indoor night temperature divided by 69.8 F. - Eurelectric provides the CO2 emissions per kwh electricity for every country. If Eurelectric does not give a value, the software uses an average value of 0.1606 lbs/kwh instead. Personalising the input data: Under 'Preferences', following input data should be reviewed for every new simulation. - Minimum ambient temperature at which the heating capacity is 0 BTU/h. - Prices for gas, fuel and electricity (including day and night price period) used for comparison. - Day and night period for design room temperature, including night setback temperature. Efficiencies of gas and oil boilers: The efficiency values for gas and oil boilers used for comparative calculations are adjustable under 'Preferences'. The default efficiencies are chosen to reflect the minimum requirements of the European Boiler Efficiency Directive 92/42/EC for low temperature boilers. Domestic warm water production: The Daikin Altherma system can optionally be combined with a sanitary warm water tank for the preparation of domestic warm water. The type of tank and its capacity can be selected in the simulation for the investment cost calculation. Cooling mode: The reversible version of the Low Temperature Daikin Altherma system can provide cooling. The energy consumption for cooling is included in the energy and cost calculations when a reversible system is selected and cooling operation requirements and design parameters/conditions are defined. Page 31

3.8. Field Settings Report 1st code 2nd code 0 User permission level Setting name Date (*) Value (*) Date (*) Value (*) Default value Range Step Unit 00 User permission level 3 2/3 1-1 Weather dependent set point 00 Low ambient temperature (Lo_A) -4 14-4~41 1.8 F 01 High ambient temperature (Hi_A) 60 59 50~68 1.8 F 02 Set point at low ambient temperature (Lo_TI) 120 104 77~131 1.8 F 03 Set point at high ambient temperature (Hi_TI) 86 77 77~131 1.8 F 05 Weather dependent for cooling function enable/disable 0 (OFF) 0/1 - - 06 Low ambient temperature (Lo2_A) 72 68 50~77 1.8 F 07 High ambient temperature (Hi2_A) 84.4 95 77~109.4 1.8 F 08 Set point at low ambient temperature (Lo2_TI) 45 71.6 41~71.6 1.8 F 09 Set point at high ambient temperature (Hi2_TI) 41 64.4 41~71.6 1.8 F 2 Disinfection function 00 Operation interval Fri Mon~Sun, All - - 01 Status 1 (ON) 1 (ON) 0/1 - - 02 Start time 23:00 0:00~23:00 1:00 hour 03 Set point 158 131~176 9 F 04 Interval 10 5~60 5 min 3 Auto restart 00 Status 0 (ON) 0 (ON) 0/1 - - 4 Backup/booster heater operation and space heating off temperature 00 Backup heater operation 1 (ON) 1 (ON) 0/1 - - 01 Backup/booster heater priority 0 (OFF) 0 (OFF) 0/1/2 - - 02 Space heating off temperature 77 57.2~77 1.8 F 03 Booster heater operation 3 0/1/2/3/4 - - 04 Not applicable - - - - - - - - 05 Not applicable - - - - - - - - 06 Backup heater emergency operation 1 (enabled) 07 Backup heater second step 1 (enabled) 5 Equilibrium/Balanced temperature and space heating priority temperature 0/1 1-0/1 1-00 Equilibrium/Balanced temperature status 1 (ON) 1 (ON) 0/1 - - 01 Equilibrium/Balanced temperature 22.6 32 5~95 1.8 F 02 Space heating priority status 1 (ON) 0/1 - - 03 Space heating priority temperatures 32 5~95 1.8 F 04 Set point correction for domestic hot water temperature 50 50 32~68 1.8 F 6 DT for heat pump domestic water heating mode 00 Start 3.6 3.6 3.6~36 1.8 F 01 Stop 3.6 3.6 0~18 1.8 F Scheduled storage and reheat domestic water heating (a) 03 Scheduled time storage 1 (ON) 0/1 1-04 Scheduled time storage start time 1:00 0:00~23:00 1:00 hour 05 Scheduled time reheat or continuous reheat 0 (OFF) 0/1/2 1-06 Scheduled time reheat start time 15:00 0:00~23:00 1:00 hour 07 Domestic hot water reheat set point 81 54~90 1.8 F 08 Domestic hot water reheat set point hysteresis 18 3.6~36 1.8 F 7 DT for booster heater and dual set point control 00 Domestic hot water step length 5.4 0 0~7.2 1.8 F 01 Hysteresis value booster heater 3.6 3.6~72 1.8 F 02 Dual set point control status 0 (OFF) 0/1 - - 03 Second set point heating 18 1.8~43.2 / 45~99 1.8 F 04 Second set point cooling 12.6 9~39.6 1.8 F 8 Domestic hot water heating mode timer Page 32

1st code 2nd code Setting name Date (*) Value (*) Date (*) Value (*) Default value Range Step Unit 00 Minimum running time 5 5 0~20 1 min 01 Maximum running time 30 30 5~95 5 min 02 Anti-recycling time 3 3 0~10 0.5 hour 03 Booster heater delay time 50 50 20~95 5 min 04 Additional running time at [4-02]/[F-01] 95 0~95 5 min 9 Heating and cooling set point ranges C D E F 00 Heating set point upper limit 120 131 98.6~131 1.8 F 01 Heating set point lower limit 86 77 59~98.6 1.8 F 02 Cooling set point upper limit 45 71.6 64.4~71.6 1.8 F 03 Cooling set point lower limit 41 41 41~64.4 1.8 F 04 Overshoot setting (b) 33.8 33.8~39.2 1.8 F Automatic set back function 05 Set back operation 0 (OFF) 0/1 1-06 Set back operation start time 23:00 0:00~23:00 1:00 hour 07 Set back operation stop time 5:00 0:00~23:00 1:00 hour 08 Leaving water set back value 3.6 0~18 1.8 F Setup on EKRP1HB digital I/O PCB 00 Solar priority mode setting 0 0/1 1-01 Alarm output logic 0 0/1 1-02 X1-X2 function. Bivalent operation status 0 0/1 1-03 Bivalent ON temperature 32-13~77 1.8 F 04 Bivalent hysteresis 37.4 35.6~50 1.8 F 05 Not applicable - - - - - - - - Benefit kwh rate power supply/local shift value weather dependent 00 Switching off heaters 0 0/1/2/3 1-01 Unit connection to benefit kwh rate power supply 0 (OFF) 0/1/2 1-02 Not applicable. Do not change the default value - - - - 0 (OFF) - - - 03 Local shift value weather dependent 0 (OFF) 0/1/2/3/4 1-04 Confirm option setting 1 0 0/1 1-05 Pump operation forced off or permitted during backup heater is forced off at benefit kwh rate power supply ([D-00]=0 or 1) 0 (forced off) 0/1 1-06 Not applicable - - - - - - - - Unit information readout 00 Software version Read only - - - 01 EEPROM version Read only - - - 02 Unit model identification (b) - EKCBX008BBV3 13 0 0/13 - - - EKCBH008BBV3 16 16/29 - - 03 Liquid refrigerant temperature Read only - 1.8 F 04 Inlet water temperature Read only - 1.8 F Option setup 00 Pump operation stop 0 (enabled) 0/1 1-01 Space cooling permission temperature 68 50~95 1.8 F 02 Bottom plate heater ON temperature 37.4 37.4~50 1.8 F 03 Bottom plate heater hysteresis 41 35.6~41 1.8 F 04 Functionality of X14A (b) 1 0/1 - - Underfloor heating screed dry-out program 05 Action number selection 1 1~20 1-06 Heating set point of selected action number [F-05] 77 (c) 59~131 1.8 F 07 Time of selected action number [F-05] 0 (c) 0~72 12 hour 08 Underfloor heating screed dry-out program enabled/disabled 0 (OFF) 0/1 1-09 Latest action number executed 0 0~21 (Read only) (*) Installer setting at variance with default value. (a) The storage and reheat function is only applicable in case [4-03]=4. (b) Only possible to modify the first 3 minutes after power ON. (c) For all action numbers of [F-05]. 0 - Page 33

Note: The preferred settings of your Daikin Altherma system are mentioned in field settings report. For more details see installation manual. Page 34

Information Form for Customers Guidance for purchasing a heat pump - information form for customers - Warning! Read before purchasing Efficient operation of this heat pump will only be ensured if the system is correctly matched to the heat loss of the building and climate zone in which it is installed! Always consult a competent installer and ask them to complete this form before purchasing! This form should be completed by a qualified installer to provide you with information and recommendations about the most suitable heat pump system for your home. In this way you will obtain the benefits of the very high efficiency of heat pumps which concentrate the heat stored in the air, ground or water. Some systems are also reversible and can produce cooling through extracting heat and ejecting it to the immediate surroundings. Some systems may also provide hot water for sanitary use. Heat pumps can be selected which can be used with most distribution systems including radiators, warm air and under floor heating, and can be retrofitted to most existing heating systems with some suitable precautions as set out below. Reducing heat loss and solar gain of buildings If your dwelling is more than 10 years old, before choosing a heat pump, it may be cost effective to first improve your insulation, to reduce heat loss for heating you building or heat gain if you are looking to cool it. (It is actually more efficient to fit a smaller heat pump in a well insulated building, for example) If you accept the installer s recommendations for improving insulation, the heat pump you buy should then be sized appropriately. For further information on reducing heat loss or solar gain and sizing and installing heat pumps systems consult www.kyotoinhome.info Page 35

Customer name... Address... Building type: detached / semi-detached / terraced / apartment Approximate year built:... 1. Description of existing heating system / building Fuel type Existing distribution system Minimum design temperature for heating of current system ( F) Heat loss of building in current state (BTU/h) Maximum design temperature for cooling of current system ( F) Potential solar heat gain of building in current state (BTU/h) oil / mains gas / direct electricity / coal / bottled gas / other radiators / warm air / under floor heating / other 2. Recommendations for upgrading building insulation Measures for reducing heat loss Reduced heat loss (BTU/h) Measures for reducing solar gain Reduced solar gain (BTU/h) 3. Primary heating Heat pump manufacturer Daikin Model ERLQ030BAVJU Heat source air Distribution medium Refrigerant R410A Heat capacity (BTU/h) 28764 Heat output / electricity input 4.0 Seasonal efficiency over year 2.2 Capable of supplying domestic hot water? Yes Auxiliary heating Type EKHBX030BA6VJU Heat capacity (kw) 6.0 Cooling (if required) Cooling capacity (BTU/h) Cold output / electricity input Annual demands and emissions Renewable energy (kwh) Energy consumption (kwh) 8785 Carbon dioxide emissions (tonnes CO2) 3.1 Carbon dioxide savings (%) 55 Installer signature... Qualifications... Company... Address... Date... Page 36

Information Form for Installers Guidance for installing a heat pump - information form for installers - Warning! Read before purchasing Efficient operation of this heat pump requires a competent installer to design the heating system to match the heat loss of the building and climate zone and to install the system in accord with the manufacturers instructions. Heat pumps have a very high efficiency because they only use energy to concentrate the heat present in the ground, water or air. Some models can also operate in reverse mode and produce cooling by rejecting heat from a dwelling. The information contained in this form will enable you to ensure that the benefits of the heat pump unit are carried over to the collector and distribution systems and to complete the form which shall be given to the customer to explain your choice. 1. Minimum information to be supplied by the manufacturer Manufacturer Daikin Model ERLQ030BAVJU Heat collector Brazed plate heat exchanger Heat distribution medium Heating capacity (BTU/h) 49237 Cooling capacity (BTU/h) 28560 Hot water supply Yes Refrigerant type R410A / GWP = 1975 Noise level (dba) 49 Parts available from date of sale (years) 10 Coefficient of performance (heating) 4.0 Specifying inlet and outlet temperatures ( F) LWC=94.2 (DT=9.0) Energy efficiency ratio (cooling) 9.3 Specifying inlet and outlet temperatures ( F) LWE=64.4 (DT=9.0) For retrofitting to existing heating systems, the heat pump should be selected to match the existing distribution system which may be ducted warm air, hot water via radiators or underfloor heating. As the outlet temperature may be lower than that of the boiler it will replace, it is essential to identify ways of reducing the heat loss or solar gain in order to maintain the same size of distribution system. Definitions Coefficient of performance (COP) is the ratio of heat output to electricity input for a specified source and output temperature. Energy efficiency ratio (EER) is the ratio of cold output to electricity input for a specified source and output temperature. Seasonal coefficient of performance (SCOP) is the coefficient of performance averaged over the length of the heating season for the heat pump system at a specified location. Annualized energy efficiency ratio (SEER) is the energy efficiency ratio averaged over the length of the cooling season for the heat pump system at a specified location. Page 37

The primary energy ratio (PER) is given by: COP 0,40 (or COP/2,5) for heat pumps with electrically driven compressors and by COP 0,91 (or COP/1,1) for heat pumps with gas driven compressors, where 0,40 is the current European average electricity power generation efficiency including grid losses and 0,91 is the current European average gas efficiency including distribution losses. The manufacturer shall provide programs, tools and guidelines to help you perform the following calculations. Climatic data should be appropriate for the geographical location of the building. 2. Reducing the heat loss and solar gain of buildings If the dwelling is more than 10 years old, then it will probably be cost effective to reduce the heat loss by increasing the insulation level and to reduce the solar gain by restricting the direct rays of the sun during the summer. If the customer accepts your recommendations then the system should be sized for the reduced heat loss and solar gain. For further information on reducing heat loss or solar gain and sizing and installing heat pumps systems consult www.kyotoinhome.info 3. Heat loss and sizing of the heating system The heat loss of the building shall be calculated in accordance with national practice or using a suitable validated computer program based on EN 12831, the Euronorm for calculating heat loss. This heat loss should then be compared with the current values required by building codes. For existing buildings, it is generally cost effective to bring the insulation standard closer to current values before sizing the heat pump for the reduced heat loss. Seasonal performance factor and energy consumption for heating The calculation shall consider: - climate (outdoor air temperature), - design outdoor temperature, - the variation of the ground-temperature over a year (for ground-source heat pumps, both with vertical and horizontal collectors), - desired temperature indoors, - temperature level of hydronic heating systems, - annual energy demand for space heating, - annual energy demand for domestic hot water (if applicable), Primary Energy Ratio (PER) and Annual CO2 emissions The average efficiency for power/gas generation as well as electric grid/gas distribution losses to be used in the calculation. CO2 emissions and savings to be calculated based on the primary energy usage. 4. Solar gain and sizing of the cooling system If the system can also produce cooling then the solar gain of the building shall be calculated in accordance with national practice or using a validated computer program. This gain should then be compared with the current values required by building codes. For existing buildings, it is generally cost effective to reduce the solar gain before sizing the heat pump for the reduced solar gain. Annualized energy efficiency ratio and energy consumption for cooling The calculation shall consider: - climate (outdoor air temperature), - design outdoor temperature, - the variation of the ground-temperature over a year (for ground-source heat pumps, both with vertical and horizontal collectors), - desired temperature indoors, Page 38