MINISTRY OF POWER NOTIFICATION
New Delhi, the 8th August, 2017

S.O. 2528(E).—In exercise of the powers conferred by clause (a) of section 14 of the Energy Conservation Act, 2001 (52 of 2001), the Central Government, in consultation with the Bureau of Energy Efficiency, hereby specifies, in supersession of the notification of the Government of India in the Ministry of Power, published in the Gazette of India, Extraordinary, Part II, Section 3, Sub-section (ii), vide number S.O.181 (E), dated the 12th January, 2009, except as respects things done or omitted to be done before such supersession the following energy consumption standards for star labeled room air conditioners of the vapour compression type for household use up to a rated cooling capacity of 9000 kcal/hour and with effect from 1st January, 2018 namely:-

(1) The room air conditioner of the vapour compression type which are of unitary air conditioner and split air conditioner up to a rated cooling capacity of 10,465 Watts (9,000 kcal/hour) being manufactured, commercially purchased or sold in India shall –

(a) meet the compliance requirements of the maximum operating conditions test in accordance with IS 1391(Part1) for unitary air conditioner and IS 1391(Part2) for split air conditioner.

(b) be certified against IS/ISO 9000 or above.

(2) The label to be affixed to room air conditioner shall display a maximum of five stars with an interval of one star, and the room air conditioner shall be rated from star one to star five based on their relative energy efficiencies.

2 Definitions.- In this notification, unless the context otherwise requires,-

1. (a)  “Cooling Seasonal Energy Consumption” means the total annual amount of energy consumed by the

   equipment when it is operated for cooling in active mode;

2. (b)  “Cooling Seasonal Total Load” means the total annual amount of heat that is removed from the indoor air when the equipment is operated for cooling in active mode.

3. (c)  “Energy Efficiency Ratio” means the ratio of capacity (in Watts) to the power consumption at nominal voltage and frequency;

4. (d)  “Fixed Capacity Air Conditioner” means the type of room air conditioner, which does not have the possibility to change its capacity.

5. (e)  “IndianSeasonalEnergyEfficiencyRatio”meanstheratioofthetotalannualamountofheatthatthe equipment may remove from the indoor air when operated for cooling in active mode to the total annual amount of energy consumed by the equipment during the same period;

6. (f)  “Multi–Stage Capacity Air Conditioner” means the type of room air conditioner, where the capacity is varied by three or four steps;

7. (g)  “SplitAirConditioner”–forthesplitairconditioner,itmustbenotedthat,-

(i) If it comprises of Indoor unit and Outdoor unit, the Indoor unit may be mounted on floor or wall or ceiling; (ii) the indoor and outdoor unit consists of compressor, heat exchangers, fan motors and air handling system installed in two separate cabinets; (iii) it is designed primarily to provide conditioned air to an enclosed space, room or zone (conditioned space); (iv) it includes a prime source of refrigeration cooling and dehumidification and means for the circulation and filtering of air.

(h) “Two – Stage Capacity Air Conditioner” means the type of room air conditioner, where the capacity is varied by two steps;

(i) “Unitary Air Conditioner”- for the unitary type air conditioner, it must be noted that,-

(i) an encased assembly designed as a self-contained unit primarily for mounting in a window or through the wall or as a console; (ii) it consists of compressor, heat exchangers and air handling system installed in one cabinet; (iii) it is designed primarily to provide free delivery of conditioned air to an enclosed space, room or zone (conditioned space); (iv) it includes a prime source of refrigeration for cooling and dehumidification and means

1Hkkx IIμ[k.M 3(ii)o Hkkjr dk jkti=k % vlk/kj.k 11 for the circulation and filtering of air; (v) it shall include means for exhausting air, and for heating, humidifying,

or inducting fresh air;

(j) “Variable Capacity Air Conditioner” means the type of room air conditioner, where the capacity is varied by five or more steps to represent continuously variable capacity.

3. Star level or star rating plan.– (1) The star level or star rating of the room air conditioner shall be determined by energy efficiency ratio or Indian seasonal energy efficiency ratio which shall be obtained from Table 3.1 or Table 3.2 depending on the year of manufacturing or commercial purchase or sale, whichever is applicable.

Table 3.1
Unitary type air conditioner

Table 3.2
Split type air conditioner

Table 3.1
Unitary Type Air Conditioners

Table 3.1(a)
(From 12th January, 2009 to 31st December, 2011)

Table 3.1(b)
(From 1st January, 2012 to 31st December, 2013)

Table 3.2
Split Type Air Conditioners

Table 3.2(a)
(From 12th January, 2009 to 31st December, 2011)

Table 3.2(b)
(From 1st January, 2012 to 31st December, 2013)

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Table 3.1(c)
(From 1st January, 2014 to 31st December, 2015)

Table 3.1(d)
(From 1st January, 2016 to 31st December, 2017)

Table 3.1(e)
(From 1st January, 2018 to 31st December, 2019)

THE GAZETTE OF INDIA : EXTRAORDINARY [PART II—SEC. 3(ii)]

Table 3.2(c)
(From 1st January, 2014 to 31st December, 2015)

Table 3.2(d)
(From 1st January, 2016 to 31st December, 2017)

Table 3.2(e)
(From 1st January, 2018 to 31st December, 2019)

(2) The star rating plan specified in the Tables shall be applicable for the type and capacity of air conditioners as specified in para 2, depending on the year of manufacturing or commercial purchase or sale.

(3) The star level chosen for the models shall be based on minimum and maximum limits of their relative energy efficiencies of each star level band specified in Tables and the permission for display of particulars shall be governed by following, namely:-

(i)1 star (EER 2.50 – 2.69) of unitary air conditioners specified in Table 3.1(d) shall not be permitted from 1st January 2016 to 31st December 2017 and Table 3.1(e) shall not be permitted from 1st January 2018 to 31st December 2019, for the purpose of upgrading the minimum energy performance level of such air conditioners.

(ii) 1 star (EER 2.70 – 2.89) of 1:1 high wall split air conditioners specified in Table 3.2(d) shall not be permitted from 1st January 2016 to 31st December 2017 for the purpose of upgrading the minimum energy performance level of such air conditioners.

(4) There shall be no negative tolerance for the star rating levels and all tested equipments shall meet the minimum threshold for each star rating level, and the scope for manufacturing tolerance and other variations shall be accounted by the manufacturer when determining the star rating, keeping in view the following points for rounding, namely:-

1. (i)  the values of cooling capacity (W), power consumption (W), cooling seasonal total load (kWh), cooling seasonal energy consumption (kWh) shall be rounded and recorded to two decimal places;

2. (ii)  the values of energy efficiency ratio or Indian seasonal energy efficiency ratio shall be rounded and recorded to two decimal places;

1Hkkx IIμ[k.M 3(ii)o Hkkjr dk jkti=k % vlk/kj.k 13 (iii) all the values shall be rounded off to respective significant figures, as per IS 2.

(5) The star level plan shall be reviewed after every two years.

4.

Testing methods.- (1) Every room air conditioner shall be tested in accordance with the IS 1391(Part 1) for unitary air conditioners and IS 1391(Part 2) for split air conditioners.

2. (2)  The parameters for testing shall be power consumption and cooling capacity test and shall be governed by maximum operating conditions test, power consumption test for cooling and the capacity rating test as per relevant clauses of IS 1391(Part 1) for unitary air conditioners and IS 1391 (Part 2) for split air conditioners.

3. (3)  The methodology for calculating the cooling seasonal total load, cooling seasonal energy consumption and Indian seasonal energy efficiency ratio shall be in accordance with the ISO 16358 considering the following deviations for Indian conditions, namely:-

(i) the bin temperature range shall be 24 to 43 degree celsius and the operating hours shall be 1600 cooling hours per annum;

(ii) the reference outdoor temperature bin distribution shall be in accordance with the Table 4.1 Table 4.1

Reference outdoor temperature bin distribution for national climatic

4. (4)  The relevant clause of para 6 of ISO 16358 shall apply for the method of calculating cooling seasonal total load and cooling seasonal energy consumption, according to the type of air conditioners.

5. (5)  The power consumption and cooling capacity test for variable capacity air conditioner shall be carried out at both standard cooling at full capacity and standard cooling at fifty per cent. of full capacity, with appropriate frequency settings and the test conditions shall be as provided in Table 4.2.

   Table 4.2 Test Conditions

6. (6)  To achieve the standard cooling at fifty per cent. of full capacity in variable capacity air conditioner, the manufacturer shall declare the frequency setting in their instruction manual or the product literature and shall be submitted at the time of application or registration of model.

7. (7)  The manufacturer shall provide the provision of frequency setting in the product itself.

5.

(i) (ii) (iii)

Tolerance.-The tolerance limit for each unit tested shall fulfill the following, namely:-
the measured standard cooling at full capacity shall not be less than ninety five per cent. of the rated

value;

the measured standard cooling at fifty per cent. of full capacity shall be ±5 per cent. of full load capacity;

the measured power consumption for standard cooling at full capacity shall not be more than five per cent. of the rated value;

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(iv)

(v) (vi) (vii)

6.

THE GAZETTE OF INDIA : EXTRAORDINARY [PART II—SEC. 3(ii)]

the measured power consumption for standard cooling at fifty per cent. of full capacity shall not be more than ten per cent. of the rated power consumption at fifty per cent. of full capacity;

the measured energy consumption shall be <1.05 of the rated value;
the measured energy efficiency ratio shall be >0.95 of the rated energy efficiency ratio;

the measured Indian seasonal energy efficiency ratio shall be >0.95 of the rated Indian seasonal energy efficiency ratio;

Test report. – The result of test of each unit shall be reported in Annexure A. Annexure A

Form for reporting the result of test

Test report number:

Date of test:

2.

5. (v)  Air conditioner configuration 1 – Air distribution ducted/non-ducted:

6. (vi)  Air conditioner configuration 2 – type cooling only/heating only/cooling and heating:

7. (vii)  Air conditioner configuration 3 – heat transfer air/cooling tower/water loop:

8. (viii)  Non-ducted split system indoor unit mounting: wall-hung/under ceiling/floor mounted/cassette/ floor/ceiling:

9. (ix)  Serial number of unit tested: of package unit or indoor unit if split system:

10. (x)  Serial number of unit tested, of outdoor unit if split system:

11. (xi)  Rated voltage: V (of package unit of indoor unit if split system):

12. (xii)  Rated voltage: V (of outdoor unit if split system):

13. (xiii)  Rated frequency of standard cooling at full capacity: Hz:

14. (xiv)  Rated standard cooling at full capacity: W:

15. (xv)  Rated power consumption of standard cooling at full capacity: W:

16. (xvi)  Rated heating capacity (where applicable):

17. (xvii)  Rated effective power input, heating (where applicable):

18. (xviii)  Does this air conditioner use a variable output compressor (for example, speed drive or multi- speed compressor): (Yes/No)

    (If yes, provide details for the following)

19. (xix)  Rated standard cooling at fifty per cent. of full capacity: W

20. (xx)  Rated power consumption of standard cooling at fifty per cent. of full capacity: W

21. (xxi)  Rated frequency of standard cooling at fifty per cent. of full capacity: W

Test summary

1. (i)  Complete a separate copy of this page for each test type, as applicable:

2. (ii)  Date of test:

3. (iii)  Test officer:

4. (iv)  Test mode: Cooling only:

5. (v)  Test type: Cooling capacity/maximum cooling/all applicable tests

6. (vi)  Nominal test condition:

7. (vii)  Test room type indoor equipment: Calorimeter/Enthalpy test room

8. (viii)  Test room type outdoor equipment: Calorimeter/Enthalpy test room/water loop

1.

Details of room air conditioner

1. (i)  Brand:

2. (ii)  Model name: (if applicable):

3. (iii)  Model number: (of package unit or indoor unit if split system):

4. (iv)  Model number: (of outdoor unit if split system):

1Hkkx IIμ[k.M 3(ii)o Hkkjr dk jkti=k % vlk/kj.k 15

9. (ix)  Test Standard:

10. (x)  Test mode: Cooling/heating/maximum cooling:

11. (xi)  Supply voltage: V (of package unit or indoor unit if split system):

12. (xii)  Supply voltage: V (of outdoor unit if split system):

13. (xiii)  Supply frequency: Hz

14. (xiv)  Average current (amps): (Single-phase):

15. (xv)  Stabilization period (minutes):

16. (xvi)  Test period (minutes):

17. (xvii)  Indoor condition – mean dry bulb (°C):

18. (xviii)  Indoor condition – maximum variation dry bulb (Max – min) (°C):

19. (xix)  Indoor condition – mean wet bulb (°C): (where applicable):

20. (xx)  Indoor condition – maximum variation wet bulb (max – min) (°C): (where applicable):

21. (xxi)  Fan setting:

22. (xxii)  Average air flow volume (m/hour):

23. (xxiii)  Indoor external static pressure (Pa): (ducted units only):

24. (xxiv)  Outdoor condition – mean dry bulb (°C):

25. (xxv)  Outdoor condition – maximum variation dry bulb (max – min) (°C):

26. (xxvi)  Outdoor condition – mean wet bulb (°C):

27. (xxvii)  Outdoor condition – maximum variation wet bulb (max – min) (°C):

28. (xxviii)  Readingfrequency(minutes):

3. Cooling

capacity results

4. Power Consumption results

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5.

6.

THE GAZETTE OF INDIA : EXTRAORDINARY

Declared performance parameters (where applicable)

Maximum operating conditions test results
(a) Didtheunitpassthemaximumoperatingtest?Yes/No

[PART II—SEC. 3(ii)]

[F. No. 13/16/2015-EC] RAJ PAL, Economic Adviser