Working towards a cleaner future. 30 to 4000kW. Condensing Aluminium 30 to 600kW. Condensing Stainless Steel 50 to 160kW

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1 Potterton Commercial Commercial Boiler Guide The UK s most comprehensive range of Commercial Boilers 30 to 4000kW Condensing Aluminium 30 to 600kW Condensing Stainless Steel 50 to 160kW Heat Distribution Heating only and Heating & DHW Commercial Combination 100 and 150kW Biomass Boiler System 130 to 2000kW Modular and Prefabricated Solutions 56 to 230kW Condensing Oil 98 to 196kW floor standing Pressure Jet Commercial Boiler 105 to 4000kW Heat Pumps Gas Absorption Working towards a cleaner future heating specialists

2 Potterton Commercial manufacture a comprehensive range of gas and oil boilers for commercial applications. A long established and prestigious company, the Potterton brand can be traced back as far as 1850 when Thomas Potterton established the company in Balham, London. Now Potterton Commercial is one of the most prestigious names in the commercial heating industry and remains firmly at the forefront of gas boiler production and development. Our commercial boiler range is highly regarded by specifiers and meets the Part L2 boiler operating efficiency legislation. In addition to our wide range of traditional commercial boilers, we have a technologically advanced range of condensing boilers and LZC solutions in order to meet the demand for higher efficiency and low carbon products. Condensing Aluminium Eurocondense three 4 Paramount three 6 Condensing Stainless Steel Sirius two WH 7 Sirius FS 8 Heat Interface Units Sirius SAT 9 Commercial Combination ihe 10 Biomass Boiler System BBS 11 Modular and Paramount three MB Series 12 Prefabricated Solutions Sirius two WH MB Series 14 Ecoskid 16 Condensing Oil LogoCondense and CarboCondense 18 Pressure Jet Commercial Boiler NXR3i 19 NXR4i 20 NXR5i 21 Arizona Evolution 22 Heat Pumps A-Cubed 24

3 Why Potterton Commercial? 3 High efficiency and the environment The Potterton Commercial boiler range has been highly regarded by specifiers and users for almost 50 years, and meets all current and proposed U.K & European standards. We provide condensing outputs from 30 to 300kW and pressure jet outputs from 105 to 4000kW. heating specialists Customer service excellence heateam Commercial, part of Baxi Commercial Division, provides nationwide boiler assembly and commissioning services, along with extensive after sales backup. We have dedicated staff based at the heateam Commercial Division who, as well as controlling our assembly and commissioning services, also offer annual service maintenance contracts. Providing the reassurance you need All Potterton Commercial products are manufactured using high specification materials with strict quality assurance procedures and are covered by our warranties*. We have full confidence in our manufacturing and quality systems: When our dedicated team of engineers assemble and commission our boilers, we provide a commitment to replace any heat exchanger that has failed due to manufacturing defect. The Sirius two WH and Sirius FS, if commissioned by Potterton Commercial, are backed up by the 5 year warranty* on all parts and labour if a fault occurs due to a manufacturing defect. Accessible support nationwide At Potterton Commercial, we have national coverage for both sales and service. We can therefore offer site surveys via our sales team, technical support or service network if required. Innovative thinking At Potterton Commercial, we have a comprehensive, competitive product range, as well as a market leading warranty and are always looking to the future, developing tomorrow s needs today through pre-fabrication. Also, with the completion of a dedicated Commercial Boiler training centre at our head office, available for engineer training and familiarisation and our nationwide service and technical backup, we are truly unique in the industry. Sales: Technical: * Terms and conditions apply

4 4 Eurocondense three Floor Standing Condensing Boiler Eurocondense three 125kW 600kW Floor standing condensing aluminium/silicon Outputs available from 125 to 600kW Compact dimensions and small footprint Top mounted hydraulic and flue connections Maximum energy utilisation. Standard efficiency of up to 106.6% net (96% gross) Up to 94.9% gross, seasonal efficiency to Part L2 High modulation range from 16% to 100% of nominal output (6:25 to 1) Heat exchanger profile designed to ensure highly efficient heat transfer Lightweight aluminium/silicon heat exchanger NOx < 35mg/kWh 10 year warranty on the aluminium/silicon alloy heat exchanger* * Terms and conditions apply EC three 125 EC three 170 EC three 215 EC three 260 EC three 300 Output 80 / 60ºC Min Max (NG) kw Output 50 / 30ºC Min Max (NG) kw Input (Gross) (NG) kw Output 80 / 60ºC Min Max (LPG) kw Output 50 / 30ºC Min Max (LPG) kw Input (Gross) (LPG) kw / 60ºC 100% Load % Gross / 30ºC 100% Load % Gross Seasonal Efficiency Part L2 (gross) % Gas Consumption (Natural Gas) m 3 /h Gas Consumption (LPG) Kg/h Inlet Gas Pressure (Natural Gas) mbar Inlet Gas Pressure (LPG) mbar Flue Gas 80/60 ºC (NG) m 3 /h@stp Flue Gas 50/30 ºC (NG) m 3 /h@stp Flue Gas 80/60 ºC (LPG) m 3 /h@stp Flue Gas 50/30 ºC (LPG) m 3 /h@stp Max Flue Gas Outlet mbar Min Flue Gas Outlet mbar Water Flow 11ºC T l/s Water Flow 20ºC T l/s Hydraulic 11ºC T kpa Hydraulic 20ºC T kpa Water Content Litres Max Operating Pressure bar Min Operating Pressure bar Maximum Flow Temperature ºC NOx Level 0% O 2) mg/kwh Noise 1 metre db(a) High Level Ventilation* (BS 6644) cm Low Level Ventilation* (BS 6644) cm Flow & Return Connection Size mm DN65 PN6 DN65 PN6 DN65 PN6 DN65 PN6 DN65 PN6 Flow & Return Connection Type Flange Flange Flange Flange Flange Gas Connection Size inch Gas Connection Type Male Threaded Male Threaded Male Threaded Male Threaded Male Threaded Male Threaded Flue Connection Size mm CO2 Content Natural Gas % CO2 Content LPG % Flue Gas 80/60 ºC ºC Flue Gas 50/30 ºC ºC Electrical Connection V/Hz 230/50 230/50 230/50 230/50 230/50 Power Consumption W Dimension W x D x H mm 692 x 1008 x x 1008 x x 1171 x x 1264 x x 1357 x 1389 Dry Weight Kg * Ventillation size is based on a single conventionally flued boiler

5 5 Eurocondense three 430, 520 & 600 models Eurocondense three Floor Standing Condensing Boiler EC three 430 EC three 520 EC three 600 Output 80 / 60ºC Min Max (NG) kw Output 50 / 30ºC Min Max (NG) kw Input (Gross) (NG) kw Output 80 / 60ºC Min Max (LPG) kw Output 50 / 30ºC Min Max (LPG) kw Input (Gross) (LPG) kw / 60ºC 100% Load % Gross / 30ºC 100% Load % Gross Seasonal Efficiency Part L2 (gross) % Gas Consumption (Natural Gas) m 3 /h Gas Consumption (LPG) Kg/h Inlet Gas Pressure (Natural Gas) mbar Inlet Gas Pressure (LPG) mbar Flue Gas 80/60 ºC (NG) m 3 /h@stp Flue Gas 50/30 ºC (NG) m 3 /h@stp Flue Gas 80/60 ºC (LPG) m 3 /h@stp Flue Gas 50/30 ºC (LPG) m 3 /h@stp Max Flue Gas Outlet mbar Min Flue Gas Outlet mbar Water Flow 11ºC T l/s 4.99 x x x 2 Water Flow 20ºC T l/s 2.57 x x x 2 Hydraulic 11ºC T kpa Hydraulic 20ºC T kpa Water Content Litres Max Operating Pressure bar Min Operating Pressure bar Maximum Flow Temperature ºC NOx Level 0% O 2) mg/kwh Noise 1 metre db(a) High Level Ventilation* (BS 6644) cm Low Level Ventilation* (BS 6644) cm Flow & Return Connection Size mm DN65 PN6 DN65 PN6 DN65 PN6 Flow & Return Connection Type Flange Flange Flange Gas Connection Size inch 1½" 1½" 1½" Gas Connection Type Male Threaded Male Threaded Male Threaded Flue Connection Size mm CO2 Content Natural Gas % CO2 Content LPG % Flue Gas 80/60 ºC ºC Flue Gas 50/30 ºC ºC Electrical Connection V/Hz 230/50 x 2 230/50 x 2 230/50 x 2 Power Consumption W 330 x x x 2 Dimension W x D x H mm 1434 x 1272 x x 1365 x x 1458 x 2229 Dry Weight Kg * Ventillation size is based on a single conventionally flued boiler

6 6 Paramount two Condensing cast aluminium/silicon Paramount three 30kW 115kW Wall hung condensing cast aluminium/silicon Wall hung condensing boiler available in 6 outputs from 30 to 115kW Up to 95% gross, seasonal efficiency Part L2 Suitable for Natural Gas and LPG with pre-mix fully modulating control % (5 to 1) Ultra low NOx <25mg/kW/hr 10 year warranty on aluminium/silicon alloy heat exchanger* Optional flueing, pipework, sequence and zone controls available Integrated control panel ISR Plus Cascade Frames available for up to 4 boilers * Terms and conditions apply Model Nominal 50/30 C kw Nominal 80/60 C kw Input kw net maximum kw Input kw net minimum kw % output efficiency (gross) % % output efficiency (gross) % Seasonal boiler efficiency (gross) % Flue spigot size Ø mm 80/125 80/ / / / /160 Gas consumption (NG) m 3 /hr Flue gas volume kg/hr Flow 11 C T l/sec Flow 20 C T l/sec Hydraulic 11 C T kpa Hydraulic 20 C T kpa Maximum operating pressure bar Minimum operating pressure bar Maximum flow temperature C Minimum flow temperature C Max flue length Horizontal m Max flue length Vertical* m metre Room sealed db(a) Water content l Power requirements 230V 50Hz 1Ph Isolator and 6.3A fuse required Electrical consumption W Height mm Width mm Length mm Weight empty kg *Refer to installation manual for options

7 Sirius two WH 7 50kW 110kW Wall hung condensing fabricated stainless steel Market leading modulation range of 9:1 aids in reducing running costs and improving building comfort Dimensions are reduced on all models making installations easier to achieve Reduced dry weight of just 40kg (50 and 60 models) Stainless steel heat exchanger Eco-friendly being 100% recyclable Weather compensation 5 years parts and labour warranty* * Terms and conditions apply Sirius WH Condensing fabricated stainless steel Sirius two WH50 Sirius two WH60 Sirius two WH70 Sirius two WH90 Sirius two WH110 HEATING PERFORMANCE Output 80/60ºC Min Max (NG) kw Output 50/30ºC Min Max (NG) kw Input (Net) (NG) kw Output 80/60ºC Min Max (LPG) kw Output 50/30ºC Min Max (LPG) kw Input (Net) (LPG) kw /60ºC 100% Load % Gross /30ºC 30% Load % Gross Seasonal Efficiency Part L2 % Gross Gas Consumption (Natural Gas) m 3 /h Gas Consumption (LPG) Kg/h Inlet Gas Pressure (Natural Gas) mbar 20 Inlet Gas Pressure (LPG) mbar 37 FLUE Max. Mass Flow Rate of Flue Kg/s Min. Mass Flow Rate of Flue Kg/s Max Flue Gas Outlet mbar Min Flue Gas Outlet mbar CO2 Content Natural Gas % CO2 Content LPG % Flue Gas 80/60ºC ºC NOx Level 0% O2) mg/kwh High Level Ventilation* (BS 6644) cm Low Level Ventilation* (BS 6644) cm WATER Water Flow 20ºC T m 3 /hr Water Flow 15ºC T m 3 /hr Hydraulic 20ºC T kpa Hydraulic 15ºC T kpa Water Content Litres Max Operating Pressure bar Min Operating Pressure bar Maximum Flow Temperature ºC GENERAL Dry Weight Kg Dimension W x D x H mm 450 x 377 x x 377 x x 505 x x 584 x x 584 x 952 INPUT AND OUTPUT CONNECTIONS Flow & Return Connection Size mm ½ 1 ½ Flow & Return Connection Type Male Thread Male Thread Male Thread Male Thread Male Thread Gas Connection Size inch Gas Connection Type Male Thread Male Thread Male Thread Male Thread Male Thread Condensate Outlet Connection mm Ø21 Ø21 Ø21 Ø21 Ø21 Flue Connection Size mm 80 /125 80/125 80/ / /160 (100/150) (100/150) ELECTRICAL Electrical Connection V/Hz 230/50 230/50 230/50 230/50 230/50 Power Consumption (with boiler pump) W

8 8 Sirius FS Condensing fabricated stainless steel Sirius FS 50kW 160kW Floor standing condensing fabricated stainless steel Floor standing condensing boiler available in 6 outputs from 50kW to 160kW Stainless steel heat exchanger Up to 94% gross, seasonal efficiency Part L2 Suitable for Natural Gas with pre-mix fully modulating control % Ultra low NOx <39mg/kW/hr 5 year parts and labour warranty* Optional pipework, sequence and zone controls, room sealed options available All models only 450mm wide Integrated control panel with volt free connections for BEMS connection * Terms and conditions apply Model FS50 FS70 FS90 FS105 FS130 FS160 Nominal 50/30 C kw Nominal 75/60 C kw Input kw net maximum kw Input kw net minimum kw % output efficiency (gross) % % output efficiency (gross) % Seasonal boiler efficiency (gross) % Hydraulic 15 C T kpa Hydraulic 20 C T kpa Flue spigot size Ø mm Gas consumption m 3 /hr Max flue gas flow rate kg/s Flow 15 C T l/sec Flow 20 C T l/sec Maximum operating pressure bar Minimum operating pressure bar Maximum flow temperature C Minimum flow temperature C Water content l Power requirements 230V 50Hz 1Ph Isolator and 6.3A fuse required Height mm Width mm Length mm Weight empty kg

9 Sirius SAT 9 Heat Interface Units (HIU) Integrated system for heat distribution within dwellings Wireless date transmission Outside weather compensation* Stainless steel heat exchanger for DHW production* 10 modules in range Compact dimensions Bottom connections * Subject to model specified Sirius SAT Heat boxes with wireless data transmission Heating Only models R RP R2Z Models with pump Models with 2nd heating zone Heating temperature regulation with high climatic curve C 25/80 Heating circuit maximum pressure bar Water content Iitre Power supply voltage V Power supply frequency Hz Power consumption W Width of the case mm Height of the case mm Depth of the case mm Net weight Kg Heating and DHW models RS RSP RS2Z RA RA2Z RST-DE RSE-DE DHW production Models with pump Models with 2nd heating zone Hydraulic separation No No No No No Yes Yes Heating temperature regulation with high climatic curve C 25/80 25/80 25/80 25/80 25/80 25/80 25/80 DHW regulation C 30/60 30/60 30/60 35/65 35/65 35/65 35/65 DHW production with T=40 C and inlet I/min water temperature 75 C Heating circuit maximum pressure bar (3) 4 (3) heating circuit minimum pressure bar DHW circuit maximum pressure bar DHW circuit minimum pressure bar Water content litres Power supply voltage V Power supply frequency Hz Power consumption W Width of the case mm Height of the case mm Depth of the case mm Net weight Kg

10 10 ihe High efficiency condensing stainless steel combination boiler ihe 100kW & 150kW High efficiency condensing stainless steel combination boiler Stainless steel heat exchanger and storage vessel Low NOx (Class 5) Low noise (49 db(a)) High efficiency (108.5% nett) High DHW recovery rates Incorporated low loss header Highly insulated storage vessel Multiple heat engines Built-in redundancy Siemens LMS controls Factory fitted relief valves Output of 100kW and 150kW Full modulation pre-mix burner General Performance Data ihe 100/300 ihe 150/300 Nominal Heat Input (gross) Qn Hs kw Minimum Heat Input (nett) Qn Hi kw Nominal Heat Output Max Pcond kw Nominal Heat Output Min Pcond kw Gas Consumption (G20) m 3 /h Flue Gas temperature Max / Min ºC 79 / / 50 CO2 at Max Output / Min Output % 9.2 / / 8.7 CO at Max Output / Min Output ppm 128 / / 3 NOx Value ppm NOx Value (@ 0% excess air) mg/kwh NOx Class 5 5 Noise Levels db(a) Efficiency Max Heat Output 50/30ºC (nett) % Efficiency Min Heat Output 50/30ºC (nett) % Efficiency Max Heat Output 80/60ºC (nett) % Efficiency Min Heat Output 80/60ºC (nett) % Efficiency 30% Heat Output (nett) % CH Operating Pressure Max / Min bar 3.0 / / 0.5 CH Max Permitted Operating Temperature ºC CH Flow / Return Connections BSP F 2 F 2" CH Fill / Drain Connection BSP M ½" M ½" Tank Capacity Litres Tank Construction Stainless Steel, Type 6 Stainless Steel, Type 6 Recovery Rate Through 50ºC l/h 1,520 2,240 Time to Recover Tank Through 50ºC mins 12 9 Operating Pressure Max / Min (PMS) bar 6.0 / / 0.2 In/Out Connections BSP M 1½" M 1½" Water Return Connection BSP M 1" M 1" Electrical Supply Voltage V 230 / 50 Hz 230 / 50 Hz Fuse Rating on Mains Power A 5 5 Flue Connection Concentric mm 130 / / 200 Gas Connection BSP F 1" F 1" Condensate Connection mm Tank Drain Connection mm Height mm 1,970 1,970 Width mm 1,450 1,450 Depth mm Weight Full kg

11 BBS 130kW 2000kW Biomass Boiler System Commercial biomass boiler system available in outputs from 199kW to 2000kW Available in configured options for both wood pellet and wood chip fuels Small overall footprint % turn down ratio on boiler Integral 5 pass smoke recovery system Optimised combustion chamber design Optimatic control system enables full functionality integration and remote monitoring (optional) System design and installation service available 1 year warranty on the overall boiler, 5 years on combustion chamber and 2 years warranty on other components* For outputs above 1100kW, please contact Potterton Commercial for a bespoke quotation (wood chip option only on models above 1250kW) * Terms and conditions apply 11 BBS Biomass Boiler System Model Reference BBS130 BBS199 BBS300 BBS400 BBS600 BBS750 BBS830 BBS1100 Nominal Output kw Heat Input at Nominal Output kw Heat Minimum Output (25%) kw Maximum Boiler Flow Temperature C Minimum Boiler Operating Temperature C Minimum Boiler Return Temperature C Flue Gas Temperature at Nominal Output C Flue Gas Temperature at Minimum Output C Carbon Dioxide CO 2 % Operating (Test) Pressure bar 4(8) 4(8) 4(8) 4(8) 4(8) 4(8) 4(8) 4(8) Minimum Operating Pressure bar Boiler Efficiency at nominal Output % net Flue Gas Mass Flow Rate at Nominal Output (based on moisture content of pellets 10%) kg/h ,059 1,588 1,984 2,256 2,980 Flue Gas Mass Flow Rate at Minimum Output kg/h Boiler Waterside Resistance at 10 K ΔT Pa Boiler Waterside Resistance at 20 K ΔT Pa Water Flow at 10k ΔT m 3 /hr Water Flow at 20k ΔT m 3 /hr Boiler Water Content l Ash Bin Capacity (Standard) l Ash Bin Capacity (Optional) l Thickness of Boiler Body Insulation mm Boiler Dry Weight (with Insulation, Burner) kg 2,304 4,000 5,000 5,800 7,600 10,000 11,660 12,300 Boiler Weight (with Water Content, Insulation, Burner) kg 2,875 4,980 6,076 7,785 10,200 12,950 15,240 16,510 Switch Point of Thermal Flow Safeguard C Minimum Required Cold Water Flow Pressure bar Negative Pressure Condition at Boiler Flue Outlet Pa Electrical Consumption During Operation Watt 4,500 4,500 5,200 5,200 6,000 7,000 7,000 8,500 Electrical Consumption During Ignition Watt 7,600 7,600 8,300 8,300 9,100 10,100 10,100 11,600 Electrical Consumption During Introduction of Pellets Watt 6,000 6,000 6,700 6,700 7,500 8,500 8,500 10,000 Maximum Current A (dependant on the number of drives) Fuel Pellet Fuel Chip

12 12 Paramount MB Prefabricated solutions Paramount three MB Series 60kW 1150kW Prefabricated solutions aluminium/silicon A complete heating system including boilers, pumps, pressurisation system and heating controls Paramount three high efficiency modulating condensing boiler with aluminium/silicon alloy heat exchanger technology Modular design the system is supplied in individual modules to allow easy manual handling, with maximum module weight of 160kgs Compact and flexible design minimises site space required for installation, with maximum module width of 620mm allowing it to pass through a standard doorway Manufactured to ISO9001 quality systems, backed up by a 5 year parts and labour warranty* Comprehensive control system, incorporating an integral control panel SIL rated to IEC In-line, back to back or corner configurations * Terms and conditions apply Model MB 60 MB 80 MB 120 MB 160 Boilers (N /Output) kw 2 x 30 2x40 2x60 2x80 Number of modules Boilers Control Pump Pressurisation Nominal heat input net kw Nominal heat input gross kw Maximum heat output 80/60 C kw Maximum heat output 50/30 C kw Gas consumption NG m 3 /h Gas consumption LPG m 3 /h Nominal inlet gas pressure NG mbar Nominal inlet gas pressure LPG mbar Conventional flue spigot size mm Horizontal balanced flue size (Exhaust / Inlet) mm 80/125 80/ / /160 Vertical balanced flue size (Exhaust / Inlet) mm 80/125 80/ / /180 High level ventilation BS for Conventional Flue cm Low level ventilation BS for Conventional Flue cm High level ventilation BS for Balanced Flue cm Low level ventilation BS for Balanced Flue cm CO 2 content NG % CO 2 content LPG % NOx ppm Flue gas STP per boiler m 3 /h External pump head 20 C T Kpa Pump make & model Grundfos Magna UPED Flow 20 C T l/s Electrical supply V Maximum electrical power consumption start A Normal electrical power consumption run A Expansion vessel size litre Maximum system water volume** litre Minimum system water pressure bar Maximum system water pressure bar Safety valve setting (per boiler) bar Maximum flow temperature C Cold water connection size mm Gas connection size (PN16) mm Heating flow & return connection size (PN16) mm Condensate connection size O/D (Plastic) mm Maximum module dimensions/weight Water content litre Maximum condensate discharge rate l/h Estimated annual condensate discharge rate (Usage : 2000 h/annum) litre Ph value of discharged condensate PH

13 13 Paramount MB Prefabricated solutions Ventilation sizes show free grille areas for conventional flue applications located in a boiler room. ** The maximum system water volume has been calculated with cold fill pressure of 1.5 bar and a maximum system operating temperature of 85 C. If the system volume is greater than detailed in the above table then an additional expansion vessel will need to be installed, a connection point is supplied on the pressurisation module. MB 190 MB 230 MB 345 MB 460 MB 575 MB 690 MB 805 MB 920 MB 1035 MB x95 2x115 3x115 4x115 5x115 6x115 7x115 8x115 9x115 10x / / / / / / / / / / / / / / / / / / / / < (W) x 710(D) x 1800(H) / 160kg

14 14 Sirius MB Prefabricated solutions Sirius two WH MB Series 100kW 1100kW Prefabricated solutions stainless steel A complete heating system including boiler, pumps, pressurisation system and heating controls Sirius two WH high efficiency condensing boiler with stainless steel heat exchanger Modular construction. Each module will fit through a standard doorway Utilises high efficiency modulating condensing boilers up to 107% net Manufactured to ISO9001 quality systems, backed up by a 5 year parts and labour warranty* Compact and flexible design minimizing site space required for installation, with an individual module width of 680mm Comprehensive control system, incorporating and integral control panel SIL rated to IEC In-line, back to back or corner configurations * Terms and conditions apply Model SMB 100 SMB 120 SMB 140 SMB 180 Boilers (N /Output) kw 2 x 50 2 x 60 2 x 70 2 x 90 Number of modules Boilers Control Pump Pressurisation Nominal heat input net kw Nominal heat input gross kw Maximum heat output 80/60 C kw Maximum heat output 50/30 C kw Gas consumption NG m 3 /h Gas consumption LPG m 3 /h Nominal inlet gas pressure NG mbar Nominal inlet gas pressure LPG mbar Conventional flue spigot connection size mm Horizontal balancedflue size (Exhaust / Inlet) per boiler mm 80/125 80/125 80/ /160 Vertical balanced flue size (Exhaust / Inlet) per boiler mm 80/125 80/125 80/ /180 High level ventilation BS for Conventional Flue* cm Low level ventilation BS for Conventional Flue* cm High level ventilation BS for Balanced Flue* cm Low level ventilation BS for Balanced Flue* cm CO 2 content NG % CO 2 content LPG % NOx per boiler Mg/kwh Flue gas flow STP per boiler m 3 /h Circulating pump make / model Grundfos Magna UPED External pump head 20 C T Kpa Flow 20 C T l/s Electrical supply V Maximum electrical power consumption start A Normal electrical power consumption run A Expansion vessel size litre Maximum external system water volume** litre Minimum system water pressure bar Maximum system water pressure bar Safety valve setting (per boiler) bar Maximum flow temperature C Cold water connection size mm Gas connection size (PN16) mm Heating flow & return connection size (PN16) mm Condensate connection size O/D (Plastic) mm Maximum module dimensions/weight Sirius MB Series water content litre Maximum condensate discharge rate l/h Estimated annual condensate discharge rate (Usage: 2000 h/annum) litre Ph Value of discharged condensate* PH

15 15 Sirius MB Prefabricated solutions Ventilation sizes show free grille areas for conventional flue applications located in a boiler room. ** The maximum system water volume has been calculated with cold fill pressure of 1.5 bar and a maximum system operating temperature of 85 C. If the system volume is greater than detailed in the above table then an additional expansion vessel will need to be installed, a connection point is supplied on the pressurisation module. SMB 220 SMB 330 SMB 440 SMB 550 SMB 660 SMB 770 SMB 880 SMB 990 SMB x x x x x x x x x / / / / / / / / / / / / / / / / / / (W) x 710(D) x 1800(H) / 160kg

16 16 Ecoskid Prefabricated solutions Ecoskid 56kW 230kW Prefabricated skid solutions A choice of either a two boiler skid assembly or a single boiler installed alongside the Queen s Award winning Baxi Ecogen Micro-CHP Paramount or Sirius range of condensing boilers with either aluminium/silicon or stainless steel heat exchanger A wide range of system outputs from 56kW through to 230kW Unit delivered to site fully assembled Only requires connection of the gas flow, return and mains water pipe work to the pre-installed isolation valves Connection of a single phase 230v supply to the control panel The pressure relief pipework has been combined for ease of on site continuation to a suitable discharge point or drain Flexible controls for either connection to a BMS or for stand alone control Paramount three MODEL NUMBER ECO-P56E ECO-P66E ECO-P86E ECO-P106E ECO-P121E ECO-P141E Boiler 1 Size (Max Output) kw Micro-CHP Size (Max Output) kw Total Output (Min/Max) kw Gas Max Output Nat Gas M³/Hr Gas Max Output LPG M³/Hr Nominal Inlet Gas Pressure (Nat Gas/LPG) mbar / Available External Pump (Head Flow 20 C) kpa kpa kpa kpa kpa kpa kpa Electrical Supply Voltage V / Hz 230/50 230/50 230/50 230/50 230/50 230/50 Power Max Flow (Start/Run) A 7.94 / / / / / / External Flue Size (Boilers/CHP) mm 80/125 80/ / / / /160 60/100 60/100 60/100 60/100 60/100 60/100 Hydraulic Operating Pressure (Min/Max) Bar 1bar 3bar 1bar 3bar 1bar 3bar 1bar 3bar 1bar 3bar 1bar 3bar Maximum Flow Temperature C Skid Weight (Empty) kg MODEL NUMBER ECO-P60 ECO-P80 ECO-P120 ECO-P160 ECO-P190 ECO-P230 Number of Boilers 2 x 30kW 2 x 40kW 2 x 60kW 2 x 80kW 2 x 95kW 2 x 115kW Total Output (Min/Max) kw Gas Max Output Nat Gas M³/Hr Gas Max Output LPG M³/Hr Nominal Inlet Gas Pressure (Nat Gas/LPG) mbar / Available External Pump (Head Flow 20 C) kpa kpa kpa kpa kpa kpa kpa Electrical Supply Voltage V 230/50 230/50 230/50 230/50 230/50 230/50 Power Max Flow (Start/Run) A 3.68 / / / / / / 4.35 External Flue Size mm 80 / / / / / / 160 Hydraulic Operating Pressure (Min/Max) Bar 1bar 3bar 1bar 3bar 1bar 4bar 1bar 4bar 1bar 4bar 1bar 4bar Maximum Flow Temperature C Skid Weight (Empty) kg

17 17 Ecoskid Prefabricated solutions Sirius two WH MODEL NUMBER ECO-S76E ECO-S86E ECO-S96E ECO-S116E ECO-S136E Boiler 1 Size (Max Output) kw Micro-CHP Size (Max Output) kw Total Output (Min/Max) kw Gas Max Output Nat Gas M³/Hr Gas Max Output LPG M³/Hr Nominal Inlet Gas Pressure (Nat Gas/LPG) mbar / Available External Pump (Head Flow 20 C) kpa kpa kpa kpa kpa kpa Electrical Supply Voltage V / Hz 230/50 230/50 230/50 230/50 230/50 Power Max Flow (Start/Run) A 8.35 / / / / / 0.60 External Flue Size (Boilers/CHP) mm 80/125 80/125 80/ / /160 60/100 60/100 60/100 60/100 60/100 Hydraulic Operating Pressure (Min/Max) Bar 1bar 3bar 1bar 3bar 1bar 3bar 1bar 3bar 1bar 3bar Maximum Flow Temperature C Skid Weight (Empty) kg MODEL NUMBER ECO-S100 ECO-S120 ECO-S140 ECO-S180 ECOP-S220 Number of Boilers 2 X 50kW 2 x 60kW 2 x 70kW 2 x 90kW 2 x 110kW Total Output (Min/Max) kw Gas Max Output Nat Gas M³/Hr Gas Max Output LPG M³/Hr Nominal Inlet Gas Pressure (Nat Gas/LPG) mbar / Available External Pump (Head Flow 20 C) kpa kpa kpa kpa kpa kpa Electrical Supply Voltage V 230/50 230/50 230/50 230/50 230/50 Power Max Flow (Start/Run) A 4.5 / / / / / 4.94 External Flue Size mm 80 / / / / / 160 Hydraulic Operating Pressure (Min/Max) Bar 1bar 3bar 1bar 3bar 1bar 4bar 1bar 4bar 1bar 4bar Maximum Flow Temperature C Skid Weight (Empty) kg

18 18 Logo Condense / Carbo Condense Oil fired condensing technology LogoCondense CarboCondense 98kW to 196kW Oil fired condensing technology Steel shell boiler combined with carbon heat exchanger Suitable for both gaseous and liquid fuels Increased efficiency by 8.5% from standard oil-fired boilers Efficiencies in line with expected ErP requirements LC 98C LC 131C LC 164C LC 196C Input (Net) kw Output 50/30ºC Max kw Output 80/60ºC Max kw /30ºC % Net /60ºC % Net Amount of 50/30ºC l/h ph Value standard fuel oil ph Pressure at Exhaust gas outlet Mbar Flue Gas Mass Flow Full load Kg/s Flue Gas Mass Flow Part load Kg/s CO 2 Full Load % CO 2 Part Load % Flue Gas Full load ºC Flue Gas Part load ºC Flue Gas Resistance mbar Flue Spigot Size Ø mm Hydraulic 10ºC ΔT mbar Hydraulic 20ºC ΔT mbar Min Operating Pressure bar Max Operating Pressure bar Max Operating Temperature ºC High Level Ventilation* (BS ) cm Low Level Ventilation* (BS ) cm Total water capacity Litre Standby loses % Boiler Weight kg Heat Exchanger Weight kg Total Weight (Dry) kg Dimensions (LxWxH) excl burner mm 2178x830x x830x x870x x870x1295 Power Consumption (with boiler pump) W Part load = 65% of the nominal load. * Ventilation is given as guidance for single boilers refer to standards for full information. E&O.E. Every effort has been made to ensure accuracy of information provided but with continuous improvement of products details are subject to change and confirmation.

19 NXR3i 105kW 330kW Pressure jet cast iron Available in 6 outputs from 105kW to 330kW Cast iron sectional high efficiency boiler Gross Efficiency (Part L2 2013) Gas 82% Oil 85% Oil, Natural Gas, LPG and Dual Fuel Option High/Low and Fully Modulating matched burner options Integrated control panel including: VFCs, high limit thermostat, control thermostat, boiler thermometer and external BEMS interlock Commissioning and erection services available 19 NXR3i Pressure jet cast iron Boiler Type NXR3i 4 NXR3i 5 NXR3i 6 NXR3i 7 NXR3i 8 NXR3i 9 Output 80/60ºC Min Max kw Input kw Net 80/60ºC % 90% 90% 90% 91% 91% 91% Energy Consumption (Nat Gas) m 3 /h Energy Consumption (Oil) kg/hr Inlet Gas Pressure mbar * Flue Gas Volume Gas kg/h Flue Gas Volume Oil kg/h Max Flue Gas Outlet mbar 0** Water Flow 10ºC ΔT m 3 /h Water Flow 20ºC ΔT m 3 /h Hydraulic 10ºC ΔT mbar Hydraulic 20ºC ΔT mbar Max Operating Pressure bar 6 bar Min Operating Pressure bar 1 bar Maximum Flow Temperature ºC 90 Nox Level 0% O 2 ) mg/kwh * High Level Ventilation (BS 6644) # cm Low Level Ventilation (BS 6644) # cm Flow & Return Connection Size mm 2 1 2" Flow & Return Connection Type Welded Gas Connection Size Nominal inch * Gas Connection Type * Flue Connection Size mm 180Ø 200Ø CO 2 Content Natural Gas % 9.5 CO 2 Content Oil % 13.5 Flue Gas 80/60ºC ºC 210 Electrical Connection V/Hz 220/240v 50Hz Refer to manufacturer for burner details Power Consumption W 2 amp max burner Refer to manufactuer for burner details 1 amp 230 volt 50hz max pump control output Dimension W x D x H mm 800 x x x x x x 1791 (excluding burner) x 1432 x 1432 x 1432 x 1432 x 1432 x 1432 Water Content litres Dry Weight kg Section Dimension mm Front 1070 x 620 x 170, Inter 990 x 600 x 165 and Rear 1070 x 600 x 190 Section Weight kg Front 105, Inter 111 and Rear 130 * Depends on burner selection ** The pressure at the flue outlet must not exceed 0 mbar # Guidance only: refer to BS6644 for further information

20 20 NXR4i Pressure jet cast iron NXR4i 357kW 729kW Pressure jet cast iron Available in 9 outputs from 357kW to 729kW Cast iron sectional high efficiency boiler Up to 84% gross seasonal efficiency Natural Gas, LPG, oil and dual fuel options High/low and fully modulating match tested burner options 10 year warranty on the heat exchanger* Optional controls available Integrated control panel with volt free contacts for BEMS interface Commissioning and erection services available * Terms and conditions apply Model Reference NXR4i-8 NXR4i-9 NXR4i-10 NXR4i-11 NXR4i-12 NXR4i-13 NXR4i-14 Number of Sections Output 80 / 60 C Min Max (NG) kw Input (Gross) kw / 60 C (NG) % / 60 C (Oil) % Gas Consumption (NG) m 3 /h Gas Consumption (Oil) Kg/hr Inlet Gas Pressure mbar Flue Gas Volume Gas Kg/h Flue Gas Volume Oil Kg/h Max Flue Gas Outlet mbar 0 Min Flue Gas Outlet mbar Water Flow 11 CΔT m 3 /h Water Flow 20 CΔT m 3 /h Hydraulic 11 CΔT mbar Hydraulic 20 CΔT mbar Water Content Litres Section Weight kg Front 154, Rear 231, Inters 185 Special Inter 194 Max Operating Pressure bar 6 bar Min Operating Pressure bar 1 bar Maximum Flow Temperature C 85 NOx Level 0% O2)* mg/kwh High Level Ventilation* (BS 6644) cm Low Level Ventilation* (BS 6644) cm Flow & Return Connection Size mm 2½ 2½ 2½ Flow & Return Connection Type Weld Screwed Optional accessory Gas Connection Size Nominal* inch 2 Gas Connection Type Threaded or flanged depending on size Flue Connection Size mm CO2 Content Natural Gas % 9.5 CO2 Content Oil % 13 Flue Gas 80/60 C C <220 Electrical Connection V/Hz Power Consumption W Dimension W x D x H (exc burner) mm x 1800 x 1950 x 2120 x 2305 x 2465 x 2625 x 2785 x 1500 x 1500 x 1500 x 1500 x 1500 x 1500 x 1500 Dry Weight kg Burner Dependant, please contact the burner manufacturer

21 NXR5i 810kW 1460kW Pressure jet cast iron Available in 12 outputs from 810kW to 1460kW Cast iron sectional pressure jet boiler Gross Efficiency (Part L2 2013) Gas 82% Oil 85% Oil, Natural Gas, LPG and Dual Fuel Option High/Low and Fully Modulating matched burner options Integrated control panel including: VFCs, high limit thermostat, control thermostat, boiler thermometer and external BEMS interlock Commissioning and erection services available 21 NXR5i Pressure jet cast iron Boiler Type NXR5i NXR5i NXR5i NXR5i NXR5i NXR5i NXR5i NXR5i NXR5i NXR5i NXR5i NXR5i Output 80/60ºC Min Max kw Input kw Net 80/60ºC % 91.2% 90.0% 90.6% 90.2% 91.0% 90.6% 91.5% 91.2% 90.9% 91.1% 90.7% 90.9% Energy Consumption (Nat Gas) m 3 /h Energy Consumption (Oil) kg/hr Inlet Gas Pressure mbar * Flue Gas Volume Nat Gas kg/h Flue Gas Volume Oil kg/h Max Flue Gas Outlet mbar 0** Water Flow 10ºC ΔT m 3 /h Water Flow 20ºC ΔT m 3 /h Hydraulic 10ºC ΔT mbar Hydraulic 20ºC ΔT mbar Max Operating Pressure bar 6 bar Min Operating Pressure bar 1 bar Maximum Flow Temperature ºC 90 NOx Level 0% O 2 ) mg/kwh * High Level Ventilation (BS6644)# cm Low Level Ventilation (BS6644)# cm Flow & Return Connection Size mm Flow & Return Connection Type Welded Gas Connection Size Nominal * inch * Gas Connection Type * Flue Connection Size mm 400Ø Plain Plate, max cut-out 500 x 700 CO 2 Content Natural Gas % 9.5 CO 2 Content Oil % 13.1 to 13.5 Flue Gas 80/60ºC ºC <190 Electrical Connection V/Hz 220/240v 50Hz Refer to manufacturer for burner details Power Consumption W 2 amp max burner Refer to manufactuer for burner details 1 amp 230 volt 50hz max pump control output Dimension W x D x H mm (excluding burner) x 2538 x 2649 x 2760 x 2871 x 3017 x 3128 x 3279 x 3390 x 3501 x 3612 x 3723 x 3834 x 1805 x 1805 x 1805 x 1805 x 1805 x 1805 x 1805 x 1805 x 1805 x 1805 x 1805 x 1805 Water Content litres Dry Weight kg Section Dimensions mm Front 1320x1060x180, Inter 1320x1050x120, Special Inter 1350x1050x150 and Rear 1350x1050x180 Section Weight kg Front 216.5, Inter 179, Special Inter 209 and Rear 259 * Depends on burner selection ** The pressure at the flue outlet must not exceed 0 mbar # Guidance only: refer to BS6644 for further information