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Special Control
ESiEN09-06 A
34
Function
3.5
Standby
3.5.1 Restart Standby
Used to forcedly stop the compressor for a period of 3 minutes, in order to prevent the frequent ON/OFF of the
compressor and equalize the pressure within the refrigerant system.
3.5.2 Crankcase Heater Control
In order to prevent the refrigerant from melting in the compressor oil in the stopped mode, this mode is used to control
the crankcase heater.
Actuator
Operation
Compressor
OFF
Outdoor unit fan
Ta>30 C: STEP4
Ta 30 C: OFF
Four way valve
Holds
Main motorized valve (EV1)
0 pls
Subcooling motorized (EV2)
0 pls
Hot gas bypass valve (SVP)
OFF
Accumulator oil return valve (SVO)
OFF
Injection (SVT) (ERQ 125 A7W1B model)
OFF
Ending conditions
3 min.
Crankcase heater
OFF
Crankcase heater
ON
Discharge pipe
temperature < 70
˚C
Discharge pipe
temperature > 75
˚C
Summary of Contents for ERQ Series
Page 2: ......
Page 16: ...Combination Table ESiEN09 06 A 6 General Information...
Page 17: ...ESiEN09 06 A Specifications 7 1 Specifications 8 1 1 Outdoor Units 8...
Page 33: ...ESiEN09 06 A Function general Function 23 1 2 Operation Mode...
Page 58: ...Outline of Control ESiEN09 06 A 48 Function...
Page 71: ...ESiEN09 06 A Wiring Diagram of Control Box Control Box EKEQ CBV3 61 3 2 F box...
Page 109: ...Test Operation ESiEN09 06 A 100 Test Operation 1 2 2 Turn power on...