Danfoss SH090 Application Manuallines page 19

Application Guidelines
Compressor model SH180-240-295-380
A1
A3
A2
LP
Wiring diagram with pump-down cycle
Compressor model SH485
A1
A3
A2
LP
Wiring diagram with pump-down cycle
Legend
Electrical data, connections and wiring
LPS
MPM
S
LPS
MPM
S
DGT
Fuses ..................................................................................................F1
Compressor contactor ................................................................. KM
Control relay ................................................................................... KA
Safety lock out relay .......................................................................KS
Optional short cycle timer (3 mins) ......................................180 s
External overload protection .......................................................F2
Pump-down pressure switch .......................................................LP
High pressure safety switch.........................................................HP
Control device ................................................................................. TH
A1
LPS
A3
A2
KS
Wiring diagram without pump-down cycle
A1
LPS
A3
A2
KS
Wiring diagram without pump-down cycle
Liquid Line Solenoid valve ....................................................... LLSV
Discharge gas thermostat / thermistor ................................. DGT
Fused disconnect ...........................................................................Q1
Motor safety thermostat ............................................................thM
Compressor motor ..........................................................................M
Motor Protection Module ........................................................MPM
Thermistor chain............................................................................... S
Safety pressure switch .................................................................LPS
AB243586442172en-001301
MPM
S
MPM
S
DGT
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