Solenoid
valve
Magnetic
contactor
2-18
2.5.1 Frozen mode
Control state transition and common control
Component name
Thermostat ON
Thermostat OFF
Compressor
CC
ON
OFF
Evaporator fan. High speed
EFH
OFF
OFF
Evaporator fan. Low speed
EFL
ON
ON
Condenser fan
CF
ON / OFF
※
1
OFF
Liquid solenoid valve
LSV
ON
OFF
Economizer solenoid valve
ESV
ON
OFF
Injection solenoid valve
ISV
ON / OFF
※
2
OFF
Hot-gas solenoid valve
HSV
OFF
OFF
Defrost solenoid valve
DSV
OFF
OFF
Discharge gas by-pass solenoid valve
BSV
OFF
OFF
Reheat solenoid valve
RSV
ON / OFF
※
3
OFF
Suction modulating valve
SMV
100%
Electronic expansion valve
EV
200
〜
2000pls
Note)
※
1: High pressure control (Refer to Page 2-27)
※
2: Injection control (Refer to Page 2-28)
※
3: RSV
:
OFF RS
≦
20˚C
、
RSV
:
ON RS
≧
25˚C
RS > SP + 1.0˚C
RS : Return air temperature
LPT : Low pressure transducer
SP : Setting point temperature
Thermostat OFF
●
Compressor
Stop
●
Evaporator fan
Low speed
Thermostat ON (Pull-down range)
●
Compressor
Running
●
Evaporator fan
Low speed (L)
≤≤
Continuous compressor running for
2 minutes or more and RS SP
Operation of magnetic contactor and solenoid valve
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Summary of Contents for LXE10E-A
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