Operation Range Of Outdoor Temperature - Vrvii - Daikin VRV II Series Technical Data Manual

2 Energy efficient solution
2-6

Operation range of outdoor temperature - VRVII

Standard operation down to -20°C outdoor ambient temperature
Advanced PI control of the outdoor unit enables VRVII heat recovery and Inverter cooling only/heat pump series to operate at outdoor ambients down
to -5°C in cooling mode and down to -20°C in heating mode.
50
2
Cooling
40
43 CDB
30
20
10
-5
-5 CDB
-10
-15
-20
VRV II heat pump
VRV-WII
Wide operating range of the water-cooled units between 10 C & 45 C, both in cooling and heating.
50
Cooling
45°C
40
30
20
10
10°C
0
8
• VRVII & VRV-WII features
Heating
15.5 CWB
-20 CWB
Heating
45°C
10°C
• Systems • VRVII & VRV-WII features
50
Cooling
40
43 CDB
30
20
Heating
15.5 CWB
10
-5
-5 CDB -5 CWB
-10
-15
-20
VRVII heat recovery
Heating
15.5 CWB
-20 CWB