Fig.17
5.5 Basic circuit diagram for star-delta start with special motor
Compressorterminalbox
BP2 Highpressuresafetymonitor
BP3
Safetychain(high/lowpressuremonitoring
)
BT1 Coldconductor(PTCsensor)motorwinding
BT2 Thermalprotectionthermostat (PTCsensor)
BT3 Releaseswitch(thermostat)
DELTA PII OildifferentialpressuresensorDELTA-PII(accessorie)
EB1 Oilsumpheater
EC1 Compressormotor
FC1.1/1.2 Motorprotectionswitch