Danfoss CH290 Application Manuallines page 16

Application Guidelines
Suggested wiring diagrams logic
SS CC
UNIT
CONTROLLER
Legend
16
FRCC.PC.026.A4.02
Electrical data, connections and wiring
CH290
LPS
MPM
S
KM
DGT
Fuses ..................................................................................................F1
Compressor contactor ................................................................. KM
High pressure safety switch.........................................................HP
Discharge gas thermistor (embedded in CH485) ................ DGT
Surface sump heater ...................................................................SSH
SEPARATE
SUPPLY
CB
SSH
CONTROL
CH485
CIRCUIT
LPS
UNIT
CONTROLLER
MPM
KM
Compressor motor ..........................................................................M
Motor Protection Module ........................................................MPM
Thermistor chain............................................................................... S
Safety pressure switch .................................................................LPS
Thermal magnetic circuit breaker ............................................ CB
CB
S
DGT
SSH