Defrosting Mode - Daikin LXE10E-A14 Service Manual

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2.5.3 Defrosting mode

Defrosting range
GCompressor
GEvaporator fan
GCondenser fan
GDefrosting solenoid valve ON
GHot gas solenoid valve ON
Operation of magnetic contactor and solenoid valve
Component name
Compressor
Evaporator fan. High speed
Evaporator fan. Low speed
Condenser fan
Liquid solenoid valve
Economizer solenoid valve
Injection solenoid valve
Hot-gas solenoid valve
Defrost solenoid valve
Discharge gas by-pass solenoid valve
Reheat solenoid valve
Suction modulating valve
Electronic expansion valve
Note) ※1: Pressure control
※2: Charging control
※3: Frozen mode ... EFL ON, Chilled mode ... EFH ON
※4: Economizer control
※5: Discharge gas temperature control
※6: EOS>15˚C
Start defrosting
Yes
GDefrost lamp (red) ON
GPump down
ON
OFF
ON/OFF
Is terminating
condition OK?
Yes
Defrosting lamp (red) OFF
Evaporator fan On after delay of 60 seconds
Return to frozen, chilled or partial
frozen operation
CC
EFH
EFL
CF
LSV
ESV
ISV
HSV
DSV
BSV
RSV
SMV
EV
2-13
No
Pump down Defrosting
ON
ON/OFF※3
ON/OFF※1 ON/OFF※1
OFF
ON/OFF※4
OFF (ON※5) ON/OFF※2
OFF
OFF
OFF
OFF OFF(ON※6)
100% 100%
10 to 100%
ON
OFF
OFF
OFF
ON
ON
OFF
5%