SASO XXXX:2016. (Including the modifications approved in Saudi Council Board No. XXX/2016) LARGE CAPACITY AIR CONDITIONERS

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1 SASO XXXX:2016 (Including the modifications approved in Saudi Council Board No. XXX/2016) LARGE CAPACITY AIR CONDITIONERS PERFORMANCE REQUIREMENTS AND METHODS OF TESTING 1

2 LARGE CAPACITY AIR CONDITIONERS PERFORMANCE REQUIREMENTS AND METHODS OF TESTING Saudi Standard No. XXXX/2016 Date of SASO Board of Directors Approva : Date of Publication in the Official Gazette : Date of Enforcement of this Standard : 2

3 1. Scope Terms and definions Normative references Minimum Energy Performance Standard (MEPS) MEPS for Electrically operated air condioners MEPS for Condensing units MEPS for Chillers MEPS for Absorpon chillers MEPS for Electrically operated variable-refrigerant-flow (VRF) air conditioner systems MEPS for Close control air condioners and condensing units serving computer rooms Marking and instrucons Registraon requirements

4 1. Scope This Standard specifies the Minimum Energy Performance Standard (MEPS) and testing requirements for large capacity air conditioners of the following main product categories: Electrically operated air conditioners Condensing units Chillers Absorption chillers Electrically operated variable refrigerant flow (VRF) air conditioners Close control air conditioners and condensing units serving computer rooms It shall apply to air conditioners designed to operate in AC single-phase circuits of 220 V or 230 V, or designed for dual voltage or voltage range including these values, and three-phase circuits of 380 V or 400 V with a frequency of 60 Hz. Product categories, capacities, and applicable testing standards falling under the scope of this Standard are detailed in section Exclusions This Standard does not apply to air conditioners that are covered under the scope of the latest version of SASO 2663 Standard Energy Labelling and Minimum Energy Performance Requirements for Air Conditioners. 4

5 2. Terms and definitions For the purposes of this Standard, the following terms and definitions shall apply. Ducted air conditioners: An air conditioner model configuration where the indoor side is situated remote to the space to be conditioned. The conditioned air is supplied or extracted via a duct. Non-ducted air conditioner: An air conditioner model configuration where the indoor side is situated partly or wholly within the space to be conditioned. The conditioned air is supplied and extracted directly to and from the conditioned space. Rated capacity: The nominal rated capacity claimed by the manufacturer of an air conditioner model determined as per the relevant testing and rating standard. Rated power: Effective power input of the air conditioner model as claimed by the manufacturer during the determination of rated cooling capacity and rated heating capacity, as applicable. Rated voltage: The electric potential or potential difference claimed by the manufacturer of an air conditioner model for which a piece of equipment is designed. Rated frequency: The number of cycles per second through which an alternating electric current passes as claimed by the manufacturer of an air conditioner model. Split system: An air conditioner with separate indoor and outdoor components that are connected with refrigerant piping. The indoor unit usually lies within the conditioned space and may be installed or portable/mobile. Electrically Operated Variable Refrigerant Flow (VRF) Air Conditioners: An engineered direct expansion (DX) multi-split system incorporating at least one variable capacity compressor distributing refrigerant through a piping network to multiple indoor fan coil units each capable of individual zone temperature control, through proprietary zone temperature control devices and common communications network. Variable refrigerant flow implies three or more steps of control on common, inter-connecting piping. Energy Efficiency Ratio (EER): A ratio of the Cooling Capacity in Btu/h to the power input values in watts at any given set of rating conditions. "Shall" or "Should": "Shall" or "should" shall be interpreted as follows: Shall: Where "shall" or "shall not" is used for a provision specified, that provision is mandatory if compliance with the standard is claimed. Should: Should is used to indicate provisions which are desirable as good practice, but which are not mandatory. Maximum Operating Conditions: The maximum allowable working conditions that a system, a part of a system or equipment is designed to and/or can withstand. 5

6 Electrically Operated ACs: One or more factory-made assemblies, which normally include a cooling coil, an air moving device, a compressor(s) and condenser combination, and may include a heating function as well. Where such equipment is provided in more than one assembly, the separate assemblies shall be designed to be used together, and the requirements of rating outlined in this standard shall be based upon the use of matched assemblies. These assemblies are electrically operated, vapor compression refrigeration systems. Condensing Units: A factory-made assembly of refrigeration components designed to compress and liquefy a specific refrigerant. It consists of one or more refrigerant compressors, refrigerant condensers (air-cooled, evaporatively cooled, and/or water-cooled), condenser fans and motors (where used) and factory-supplied accessories. Chillers: A factory-made and prefabricated assembly (not necessarily shipped as one package) of one or more compressors, condensers and evaporators, with interconnections and accessories designed for the purpose of cooling or heating water. It is a machine specifically designed to make use of a vapor compression refrigeration cycle to remove heat from water and reject the heat to a cooling medium, usually air or water. The refrigerant condenser may or may not be an integral part of the package. Absorption Chillers: A factory designed and prefabricated assembly employing water as the refrigerant and consisting of an evaporator, absorber, condenser, generator(s) and solution heat exchangers, with interconnections and accessories used for chilling or heating water. The package utilizes single or multiple reconcentrations of an absorbent solution. The reconcentrations of the absorbent are known as effects. A single effect package employs one step reconcentrations of the absorbent in the generator. Water vapor is released after the heat energy is introduced into the generator. The concentrated absorbent is returned to the absorber where it can absorb water vapor flashed off in the evaporator. A double effect package employs a two step reconcentrations of the absorbent through the use of an additional high temperature generator. An absorption package can be further defined by the following: Direct Fired Package: This type of package reconcentrates the absorbent from heat energy through the combustion of natural gas, LP gas or oil. Indirect Fired Package: This type of package reconcentrates the absorbent from heat energy from steam or hot water. Close Control Air Conditioners and Condensing Units Serving Computer Rooms: A computer and data processing room unitary air conditioner consisting of one or more factory-made assemblies, which include a DX evaporator or chilled-water cooling coil, an air-moving device, and air-filtering devices. The air conditioner may include a compressor, condenser, humidifier, or reheating function. Where DX equipment is provided in more than one assembly and the separate assemblies are to be used together, the requirements of rating outlined in this standard are based upon the use of matched assemblies. The functions of a computer and data processing room air conditioner, either alone or in combination with a cooling and heating plant, are to provide air filtration, circulation, cooling, reheating, and humidity control. 6

7 3. Normative references The following normative references standards applies. However, this Standard supersedes the below reference standards in case of conflicting requirements. ANSI/AHRI 110: 2012 Air-Conditioning, Heating and Refrigerating Equipment Nameplate Voltages. ANSI/AHRI 210/240: 2008 with Addenda 1 and 2 Performance Rating of Unitary Air- Conditioning & Air-Source Heat Pump Equipment. ANSI/AHRI 340/360: 2007 with Addendum 2 Performance Rating of Commercial and Industrial Unitary Air-Conditioning and Heat Pump Equipment. ANSI/AHRI 365(I-P): 2009 Commercial and Industrial Unitary Air-Conditioning Condensing Units. ANSI/AHRI 550/590(I-P): 2011 with Addendum 3 Performance Rating of Water-Chilling and Heat Pump Water-Heating Packages Using the Vapor Compression Cycle. ANSI/AHRI 1230: 2010 with Addendum 2 Performance Rating of Variable Refrigerant Flow (VRF) Multi-Split Air-Conditioning and Heat Pump Equipment. ANSI/ASHRAE Standard 127: 2007 Method Testing for Rating Computer and Data Processing Room Unitary Air Conditioners. ANSI/ASHRAE/IES Standard 90.1: 2010 Energy Standard for Buildings Except Low-Rise Residential Buildings. ANSI/ASHRAE/IES Standard 90.1: 2013 Energy Standard for Buildings Except Low-Rise Residential Buildings. ANSI/AHRI 560(I-P): 2000 Absorption Water Chilling and Water Heating Packages. GSO 1899 "GCC Standard Voltages and Frequencies for Alternating Current Distribution Systems". 7

8 4. Minimum Energy Performance Standard (MEPS) The minimum energy performance standard (MEPS) requirements for large capacity air conditioners in the scope of this Standard shall be greater than or equal to the values listed in the tables below and obtained as per the testing and rating requirements when tested according to the highest T1 value mentioned in the testing methodology. All units should also be tested under the T3 temperature (46 o C) for reference. In addition, the operability needs to be checked at the maximum cooling capacity (52 o C). 8

9 4.1 MEPS for Electrically operated air conditioners 1 Air Conditioner Appliance Type Product in SASO Large AC (BTU/h) Testing method EER (BTU/(W.h)) Air conditioners, air cooled 70,000 (excluding window, split ducted, and split non-ducted) ANSI/AHRI 210/ Air conditioners, water cooled Air conditioners, evaporatively cooled > 70,000 and 135,000 ANSI/AHRI 340/ > 135,000 and 240,000 ANSI/AHRI 340/ > 240,000 and 760,000 ANSI/AHRI 340/ > 760,000 ANSI/AHRI 340/ ,000 ANSI/AHRI 210/ > 70,000 and 135,000 ANSI/AHRI 340/ > 135,000 and 240,000 ANSI/AHRI 340/ > 240,000 and 760,000 ANSI/AHRI 340/ > 760,000 ANSI/AHRI 340/ ,000 ANSI/AHRI 210/ > 70,000 and 135,000 ANSI/AHRI 340/ > 135,000 and 240,000 ANSI/AHRI 340/ > 240,000 and 760,000 ANSI/AHRI 340/ > 760,000 ANSI/AHRI 340/ Values apply when the unit has no heating section or when the heating section is electric resistance type. For all other types, deduct 0.2 from the EER values 9

10 4.2 MEPS for Condensing units Air Conditioner Appliance Type Product in SASO Large AC (BTU/h) Testing methods EER (BTU/(W.h)) Condensing units, air cooled Condensing units, air cooled Condensing units, water cooled Condensing units, water cooled Condensing units, evaporatively cooled Condensing units, evaporatively cooled 135,000 ANSI/AHRI 340/ > 135,000 ANSI/AHRI ,000 ANSI/AHRI 340/ > 135,000 ANSI/AHRI ,000 ANSI/AHRI 340/ > 135,000 ANSI/AHRI

11 4.3 MEPS for Chillers Air Conditioner Appliance Type Product in SASO Large AC (BTU/h) Testing methods EER (BTU/(W.h)) Air-cooled chillers 1,800,000 > 1,800, , Water-cooled electrically operated, positive displacement Water-cooled electrically operated, centrifugal > 900,000 and 1,800, > 1,800,000 and 3,600,000 > 3,600,000 and ANSI/AHRI 7,200, / > 7,200,000 3,600, > 3,600,000 and 7,200, > 7,200,000 and 14,400, > 14,400,

12 4.4 MEPS for Absorption chillers Air Conditioner Appliance Type Product in SASO Large AC (BTU/h) Testing methods EER (BTU/(W.h)) Air-cooled absorption, single effect All capacities 2.0 Water-cooled absorption, single effect Absorption double effect, indirect fired Absorption double effect, direct fired All capacities 2.4 ANSI/AHRI 560 All capacities 3.4 All capacities

13 4.5 MEPS for Electrically operated variable-refrigerant-flow (VRF) air conditioner systems 2 Air Conditioner Appliance Type Product in SASO Large AC (BTU/h) Testing methods EER (BTU/(W.h)) 70, VRF multi split air conditioners, air cooled > 70,000 and 135, > 135,000 and ,000 > 240, , > 70,000 and ,000 VRF multi split ANSI/AHRI air conditioners, > 135, heat pumps (1) and ,000 > 240, , > 70,000 and 12.0 VRF multi split 135,000 air conditioners, > 135,000 water cooled (1) and ,000 > 240, For systems with heat recovery, deduct 0.2 from the EER values

14 4.6 MEPS for Close control air conditioners and condensing units serving computer rooms Air Conditioner Appliance Type Product in SASO Large AC (BTU/h) Testing methods EER (BTU/(W.h)) Downflow Upflow 70, Close control air-conditioners, air cooled Close control air-conditioners, water cooled > 70,000 and 240,000 > 240, ANSI/AHRI , > 70,000 and 240, > 240,

15 5. Marking and instructions The following information shall be marked on the nameplate of the air-conditioner, in Arabic or English or both. The marking shall not be on a detachable part of the unit and shall be indelible, durable and easily legible. Any information related to energy performance added on any part of the air-conditioner unit or packaging shall not have any ambiguity or lead to misunderstanding of the performance of the unit. 5.1 The information on the nameplate shall include as a minimum: Manufacturer s name and/or trademark. Country of origin. Manufacturer s model or type reference and serial number of the unit. Rated voltage or rated voltage range in volts (V). Rated frequency in hertz (Hz). For each of cooling and heating test conditions as per the relevant testing and rating standard: - Rated current in amperes (A) - Rated power input in Watt (W) or kilowatts (kw) - Net cooling capacity in kw and BTU/h - Net heating capacity in kw and BTU/h - Energy Efficiency Ratio (EER) in BTU/(W.h) - Refrigerant used and mass of refrigerant charge in kg 5.2 Additional nameplate voltage requirements for 60 Hz equipment Nameplate voltages for 60 Hertz systems shall include one or more of the equipment nameplate voltage ratings shown in Table 1 and 2 of ANSI/AHRI Standard 110, as well as GSO An instruction sheet or manual in both Arabic and English shall be delivered with each airconditioner. Tables, drawings and circuit diagrams may be depicted in English only. The instruction sheet or manual shall include the following information as a minimum: The information specified in clause 6.1 Dimensions of the unit and its method of mounting Minimum clearances between the various parts of the unit and the surrounding framework Instructions necessary for the correct operation of the unit and any special precautions to be observed to ensure its safe use and maintenance Instruction for packing and unpacking the unit Instructions on unit handling and rigging Weight of the unit, both the net and the gross Refrigeration charging instructions, including charging and discharging refrigerant 15

16 6. Registration requirements Product registration is mandatory, whereby information about registration requirements will be available in the information center of the Saudi Standards, Metrology, and Quality Organization (SASO), and reference shall be made to the separate SASO registration forms and requirements. Applications should be submitted through the registration system electronically via SASO website ( The applicant should fulfill all updated requirements of the electronic registration system and any new requirements, procedures, and regulations required by SASO. A draft of the registration form has been provided below (the final version is the one present on the SASO website). 16

17 APPLICATION FOR REGISTRATION OR RENEWAL OF REGISTRATION OF LARGE AIR CONDITIONERS FOR ENERGY EFFICIENCY I hereby apply for the registration of an air conditioner (s) for the purpose of energy efficiency. In the country of (specify the country in which this application is made) SECTION (1) APPLICANT DETAILS Name of applicant Business address P.O Box Post code Contact person Position/title Tel Fax ( ) ( ) 17

18 SECTION (2) DESCRIPTION OF THE PRODUCT Name of manufacturer Brand name Model number Country of manufacturing Model year AC type Net cooling capacity (BTU/h) Net heating capacity (BTU/h) Rated FL EER (BTU/W/h) Rated voltage range (V) Rated current (A) Rated power input (W) Refrigerant used Mass of refrigerant (kg) Dimensions of unit (mxmxm) Weight of the unit (kg) Product part of product family Name of product family Approver of product family Electrically operated air conditioners air cooled Electrically operated air conditioners water cooled Electrically operated air conditioners evaporative cooled Condensing units air cooled Condensing units water cooled Condensing units evaporative cooled Chillers air cooled Chillers water cooled electrically operated, positive displacement Chillers water cooled electrically operated, centrifugal Absorption chillers air cooled absorption, single effect Absorption chillers water cooled absorption, single effect Absorption chillers absorption double effect, indirect fired Absorption chillers absorption double effect, direct fired VRF multi split air conditioners air cooled VRF multi split air conditioners heat pumps VRF multi split air conditioners water cooled Close control air conditioners air cooled Close control air conditioners water cooled Other (please specify) Yes No AHRI Other (please specify) If registering a family of products, please specify below the list of all the brand names, model numbers, and registration numbers of products in the same family Brand name Model number Registration number Tested product? Yes/No Yes/No Yes/No 18

19 SECTION (3) TESTING AND TEST REPORT Name of laboratory Test date Tested unit brand name Tested unit model number Type of test Physical testing (at independent lab) Witness testing (at manufacturer s lab with witness from approved entity) Other (please specify) Calculation method for qualifying test Reference of the calculation method (if any) Testing method ANSI/AHRI 210/240 ANSI/AHRI 340/360 ANSI/AHRI 365 ANSI/AHRI 550/590 ANSI/AHRI 560 ANSI/AHRI 1230 ANSI/AHRI 1360 Tested at T1: Cooling capacity (BTU/h) Heating capacity (BTU/h) FL EER (BTU/W/h) Voltage (V) Current (A) Power input (W) Tested at T3 (46 o C): Cooling capacity (BTU/h) Heating capacity (BTU/h) FL EER (BTU/W/h) Voltage (V) Current (A) Power input (W) Success of operatibility test at 52 o C Calorimetric Calorimetric + calculation method Other (please specify) Yes No 19

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