SECTION 5 PRINCIPLE OF OPERATION
105
5.53 WIRING DIAGRAM—RC 150-250 (115/220/1 50/60 AC)
P Compressor overload protection
F1 Control circuit protector
A20 Electronic drain supply
ZR1 Timer relay
K30 Economizer relay
K01 Compressor motor relay
K04 Water motor relay
KA Compressor starting relay
S01 Main switch
S10 Fan pressure switch
S11 High pressure switch
S15 Water low pressure switch
M01 Compressor motor
M02 Fan motor
M03 Water motor
AL Alarm contact
A40-1 Compressor run capacitor
A40-2 Compressor start capacitor
A31 Compressor start capacitor resistance
PT Thermostatic sensor
HP Indicates high pressure
LP Indicates low pressure in the circuit
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