The refrigeration system layout (refrigerant flow schematic)
- Hermetic compressor
- Discharge pipe
- Refrigerant condenser
- Refrigerant receiver
- Service connection
- Shut-off valve
- Refrigerant liquid pipe
- Filter-drier
- Refrigerant sight glass
- Solenoid valve
- Thermostatic expansion valve
- Capillary tube with sensor
- Refrigerant evaporator
- Service connection
- Suction pipe
- Shut-off valve
- Service connection
The electrical wiring diagram (pump-out/pump-down)
L Electr. connection ‘phase’
N Electr. connection ‘neutral wire’
S1 Main switch (on-off)
TC Thermostat
Y1 Solenoid valve
LP Low pressure switch
HP High pressure cut-off
M1 Condenser fan motor
M2 Evaporator fan motor
OP Overload protection (compressor)
RW Running winding (compressor)
SW Start winding (compressor)
M3 Refrigerant compressor
SR Start relay
UR Unload resistor (C1)
C1 Start capacitor
C2 Running capacitor
H1 Indicator light ‘operation’ green
H2 Indicator light ‘high pressure’ red
No comments :
Post a Comment