153
CONTROL
Hot gas bypass
valve
1. Engine coolant temperature maintaining
control at engine start
2. Refrigerant high pressure avoidance
control
3. Freezing prevention control in cooling
operation
4. Pressure equalizing control at system stop
Rated : 200 V AC BV: CN11[1]-[7]
Reversing valve
To turn ON in heating
NOTE) To switch the mode at the start of
operation if the operation mode is
different from the previous one.
Rated : 200 V AC 4PV: CN11[2]-[8]
Compressor
heater
To turn ON to prevent liquid entrapment in
the compressor if the engine compartment
temperature is low when the system stops
Rated : 200 V AC C/P H1, 2: CN11[5]-[11]
Electromagnetic
compressor
capacity valve
Capacity control of the variable capacity
compressor
Rated : 200 V AC
C/P V1: CN11[3]-[9]
C/P V2: CN11[4]-[10]
AC/DC
converter
AC/DC conversion
(e.g., 200 V AC → 12 V DC)
Transformer, diode -
Switch for
maintenance
1. Switching of the PCB maintenance
function mode
2. Operation of equipment
Refer to P233 and af-
ter, [Board Mainte-
nance Functions]
-
Name Functions Specifications Connector No.
NOTE) Numbers in [ ] in the "connector No." column correspond with the pin numbers shown in circles in the wiring diagram.
※1. 8 TON only
※2. 15 TON only
To Next Page
Loading...
Need help?
General