1. B. Munkhbayar BEEC/SCEA/MUST
Air-Air heat pump
B. Munkhbayar
BEEC/SCEA/MUST

2. Type of heat pumps
Air - Air
Water – Water
Brine – Water
Air – Water

3. Air – air heat pump

4. Air – air heat pump
Min. operation temperature -10oC (-15oC)

5. Operation mode of heat pumps

6. Design condition Outside temperature range -15 -20 -25 -30 -35 -37.8
Duration, h
3147
682
728
572
254 79

7. Installation

8. Installation

9. Monitoring

10. Operation
Selected
high set point temperature
Low fan speed

11. Recommendation

12. Result (Second half of December 2017)
Prototype 5#，application area 28㎡
Prototype 6#，application area 27㎡
Setting fan motor speed
Outdoor temperature（℃）
Indoor temperature（℃）
Setting temperature（℃）
Heating capacity （W）
COP
high
-19 26 27
4589.7
2.02
-23
1.67
-28 24
4234.3
1.47
Setting fan motor speed
Outdoor temperature（℃）
Indoor temperature（℃）
Setting temperature（℃）
Heating capacity （W）
COP
low
-22 29 28
5832.4
1.61
medium
-24 26
4308.4
1.42
-25
4875.1