Daikin D-Series User Manual

Si18-525B Operation Mode
Function 107
1. Operation Mode
Operation in
stop mode
Pressure
equalization
prior to startup
Startup control
• Cooling startup
control
• Heating startup
control
Oil return IN
conditions are met.
Operation
mode c
hange
Oil return operation
Pump-down
residual
operation
Restart standby
(Compressor stop)
Yes
Yes
No
No
Malfunction/Standby
Indoor unit stop or
thermostat OFF
Normal operation
• Compressor PI control
• Electronic expansion
valve PI control
• Protection control
Indoor unit thermostat ON
without mode change
Defrost IN
conditions are met.
No
Yes
Defrosting operation
Cooling or heating
operation
BP unit
cooling: SH control
heating: SC control
Indoor unit thermostat ON
Indoor unit stop or
thermostat OFF
Indoor unit stop or
thermostat OFF
Malfunction/
Standby
Malfunction/
Standby
Note:
In the event indoor unit stops or the thermostat
turns OFF while in oil return operation or
defrosting operation, pump-down residual
operation is performed on completion of the oil
return operation or defrosting operation.
Malfunction/Standby
(Q0372)

Daikin D-Series Specifications

General

HSPF Rating	Up to 10.0
Cooling Capacity	9, 000 - 36, 000 BTU/h
Heating Capacity	9, 000 - 36, 000 BTU/h
Energy Efficiency Ratio (EER)	Up to 12.5
Sound Level	19 - 50 dB (Indoor), 49 - 60 dB (Outdoor)
Noise Level	19 - 50 dB (Indoor), 49 - 60 dB (Outdoor)
Power Supply	208/230V, 1-phase, 60Hz