SAUDI ARABIAN STANDARD
SASO XXXX/2016
SASO XXXX:2016
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(Including the modifications approved in Saudi Council Board No. XXX/2016)
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LARGE CAPACITY AIR CONDITIONERS –
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PERFORMANCE REQUIREMENTS AND METHODS OF TESTING
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SAUDI ARABIAN STANDARD
SASO XXXX/2016
LARGE CAPACITY AIR CONDITIONERS –
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PERFORMANCE REQUIREMENTS AND METHODS OF TESTING
Saudi Standard No. XXXX/2016
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Date of SASO Board of Directors’ Approva :
Date of Publication in the Official Gazette :
Date of Enforcement of this Standard
:
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SAUDI ARABIAN STANDARD
SASO XXXX/2016
1. Scope ...................................................................................................................................................................4
2. Terms and definiƟons ..........................................................................................................................................5
3. Normative references ..........................................................................................................................................7
4. Minimum Energy Performance Standard (MEPS) ...............................................................................................8
4.1 MEPS for Electrically operated air condiƟoners ........................................................................................9
4.2 MEPS for Condensing units .....................................................................................................................10
4.3 MEPS for Chillers .....................................................................................................................................11
4.4 MEPS for AbsorpƟon chillers ................................................................................................................... 12
4.5 MEPS for Electrically operated variable-refrigerant-flow (VRF) air conditioner systems .......................13
4.6 MEPS for Close control air condiƟoners and condensing units serving computer rooms ......................14
5. Marking and instrucƟons ...................................................................................................................................15
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6. RegistraƟon requirements.................................................................................................................................16
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SAUDI ARABIAN STANDARD
SASO XXXX/2016
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:
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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.
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Product categories, capacities, and applicable testing standards falling under the scope of this
Standard are detailed in section 4.
1.1 Exclusions
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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”.
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SAUDI ARABIAN STANDARD
SASO XXXX/2016
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.
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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.
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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.
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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.
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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.
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SAUDI ARABIAN STANDARD
SASO XXXX/2016
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.
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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.
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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.
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SAUDI ARABIAN STANDARD
SASO XXXX/2016
3. Normative references
The following normative references standards applies. However, this Standard supersedes the below
reference standards in case of conflicting requirements.
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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 AirConditioning & 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".
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SAUDI ARABIAN STANDARD
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4. Minimum Energy Performance Standard (MEPS)
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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 (46o
C) for reference. In addition, the operability needs to be checked at the maximum cooling capacity
(52o C).
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SAUDI ARABIAN STANDARD
SASO XXXX/2016
4.1 MEPS for Electrically operated air conditioners1
Air
Conditioner
Appliance
Type
Product in SASO Large
AC
Air
conditioners,
air cooled
EER
(BTU/(W.h))
≤ 70,000 (excluding
window, split ducted, and
split non-ducted)
ANSI/AHRI 210/240
11.2
> 70,000 and ≤ 135,000
ANSI/AHRI 340/360
11.2
> 135,000 and ≤ 240,000
ANSI/AHRI 340/360
11.0
> 240,000 and ≤ 760,000
ANSI/AHRI 340/360
10.0
> 760,000
ANSI/AHRI 340/360
9.7
≤ 70,000
ANSI/AHRI 210/240
12.1
> 70,000 and ≤ 135,000
ANSI/AHRI 340/360
> 135,000 and ≤ 240,000
ANSI/AHRI 340/360
> 240,000 and ≤ 760,000
ANSI/AHRI 340/360
> 760,000
Air
conditioners,
evaporatively
cooled
≤ 70,000
> 70,000 and ≤ 135,000
> 135,000 and ≤ 240,000
12.5
12.4
12.2
ANSI/AHRI 210/240
12.1
ANSI/AHRI 340/360
12.1
ANSI/AHRI 340/360
12.0
ANSI/AHRI 340/360
11.9
ANSI/AHRI 340/360
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> 760,000
12.1
ANSI/AHRI 340/360
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> 240,000 and ≤ 760,000
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(BTU/h)
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Air
conditioners,
water cooled
Testing method
11.7
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
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SAUDI ARABIAN STANDARD
SASO XXXX/2016
4.2 MEPS for Condensing units
Product in
SASO Large
AC
(BTU/h)
Testing methods
EER
(BTU/(W.h))
Condensing units,
air cooled
≤ 135,000
ANSI/AHRI 340/360
11.0
Condensing units,
air cooled
> 135,000
ANSI/AHRI 365
10.5
Condensing units,
water cooled
≤ 135,000
ANSI/AHRI 340/360
11.9
Condensing units,
water cooled
> 135,000
ANSI/AHRI 365
13.5
Condensing units,
evaporatively
cooled
≤ 135,000
ANSI/AHRI 340/360
11.9
Condensing units,
evaporatively
cooled
> 135,000
ANSI/AHRI 365
13.5
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Air
Conditioner
Appliance Type
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SAUDI ARABIAN STANDARD
SASO XXXX/2016
4.3 MEPS for Chillers
Product in
SASO Large AC
(BTU/h)
Testing methods
≤ 1,800,000
Air-cooled
chillers
10.1
> 1,800,000
10.1
≤ 900,000
Water-cooled
electrically
operated,
positive
displacement
16.0
> 900,000 and ≤
1,800,000
16.7
> 1,800,000 and
≤ 3,600,000
> 3,600,000 and
≤ 7,200,000
18.2
ANSI/AHRI
550/590
> 7,200,000
> 7,200,000 and
≤ 14,400,000
21.4
21.4
21.4
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> 14,400,000
19.7
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> 3,600,000 and
≤ 7,200,000
19.7
21.4
≤ 3,600,000
Water-cooled
electrically
operated,
centrifugal
EER
(BTU/(W.h))
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Air
Conditioner
Appliance Type
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SAUDI ARABIAN STANDARD
SASO XXXX/2016
4.4 MEPS for Absorption chillers
Air
Conditioner
Appliance Type
Product in
SASO Large
AC
(BTU/h)
Air-cooled
absorption, single
effect
All capacities
2.0
Water-cooled
absorption, single
effect
All capacities
2.4
Testing methods
EER
(BTU/(W.h))
Absorption double
effect, direct fired
All capacities
3.4
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All capacities
3.4
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Absorption double
effect, indirect
fired
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ANSI/AHRI 560
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SAUDI ARABIAN STANDARD
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4.5 MEPS for Electrically operated variable-refrigerant-flow (VRF) air conditioner systems2
11.2
> 70,000 and
≤ 135,000
11.2
> 135,000
and ≤
240,000
11.0
> 240,000
10.0
≤ 70,000
11.2
> 135,000
and ≤
240,000
> 240,000
≤ 70,000
> 70,000 and
≤ 135,000
> 135,000
and ≤
240,000
11.0
ANSI/AHRI
1230
10.6
9.5
12.0
12.0
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VRF multi split
air conditioners,
water cooled (1)
EER
(BTU/(W.h))
≤ 70,000
> 70,000 and
≤ 135,000
VRF multi split
air conditioners,
heat pumps (1)
Testing
methods
10.0
10.0
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> 240,000
2
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VRF multi split
air conditioners,
air cooled
Product in
SASO Large
AC
(BTU/h)
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Air
Conditioner
Appliance Type
For systems with heat recovery, deduct 0.2 from the EER values
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SAUDI ARABIAN STANDARD
SASO XXXX/2016
4.6 MEPS for Close control air conditioners and condensing units serving computer rooms
EER
(BTU/(W.h))
Testing
methods
(BTU/h)
Close control
air-conditioners,
air cooled
Downflow
Upflow
≤ 70,000
7.3
7.0
> 70,000
and ≤
240,000
7.0
6.7
> 240,000
6.4
6.1
8.4
8.1
ANSI/AHRI
1360
Close control
air-conditioners,
water cooled
> 70,000
and ≤
240,000
8.1
7.8
7.8
7.5
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> 240,000
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≤ 70,000
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Air
Conditioner
Appliance Type
Product in
SASO
Large AC
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SAUDI ARABIAN STANDARD
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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
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5.2 Additional nameplate voltage requirements for 60 Hz equipment
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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 1899.
5.3 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:
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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
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SAUDI ARABIAN STANDARD
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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.
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Applications should be submitted through the registration system electronically via SASO website
(www.saso.gov.sa). 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).
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SAUDI ARABIAN STANDARD
SASO XXXX/2016
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
……………………………………………………………………………..
Business address
……………………………………………………………………………..
P.O Box
……………………………………………………………………………..
Post code
……………………………………………………………………………..
Contact person
……………………………………………………………………………..
Position/title
……………………………………………………………………………..
Tel
(……)………………………………………………………………………
Fax
(……)………………………………………………………………………
Email
……………………………………………………………………………..
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Name of applicant
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SAUDI ARABIAN STANDARD
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SECTION (2) – DESCRIPTION OF THE PRODUCT
Name of manufacturer
……………………………………………………………………………..
Brand name
……………………………………………………………………………..
Model number
……………………………………………………………………………..
Country of manufacturing
……………………………………………………………………………..
Model year
……………………………………………………………………………..
AC type
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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) ………………………………………………
……………………………………………………………………………..
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)
……………………………………………………………………………..
Name of product family
Yes
No
……………………………………………………………………………..
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Other (please specify) ………………………………………………
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Approver of product family
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Product part of product
family
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Net cooling capacity (BTU/h)
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
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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
Calorimetric
Calorimetric + calculation method
Other (please specify) ………………………………………………
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:
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Reference of the calculation
method (if any)
……………………………………………………………………………..
Heating capacity (BTU/h)
……………………………………………………………………………..
FL EER (BTU/W/h)
……………………………………………………………………………..
Voltage (V)
……………………………………………………………………………..
Current (A)
……………………………………………………………………………..
Power input (W)
Tested at T3
(46o C):
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Cooling capacity (BTU/h)
……………………………………………………………………………..
……………………………………………………………………………..
……………………………………………………………………………..
Heating capacity (BTU/h)
……………………………………………………………………………..
FL EER (BTU/W/h)
……………………………………………………………………………..
Voltage (V)
Current (A)
Power input (W)
……………………………………………………………………………..
……………………………………………………………………………..
……………………………………………………………………………..
Yes
No
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Success of operatibility test
at 52o C
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Cooling capacity (BTU/h)
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