SECTION 5 PRINCIPLE OF OPERATION
121
5.61 WIRING DIAGRAM—RC 500-3000 (400/460/575/3 50/60 AC)
F10 control circuit protection
F11 economizer protection
K01 compressor motor relay
K04 water motor relay
K10-1 fan motor relay
K10-2 fan motor relay
K30 economizer relay
P01 thermal protection of compressor
P04 thermal protection of water motor
P10-1 thermal protection of fan motor
P10-2 thermal protection of fan motor
S02-1 start button on control panel
S02-2 remote control start button
S03-1 stop button on control panel
S03-2 remote control stop button
S10 fan high pressure control switch
S11 high pressure safety control switch
S15 water low pressure switch
S20 safety thermostat
S30-1 fan protector I
S30-2 fan protector II
A10-1 running lamp on control panel (green)
A10-2 remote control running lamp (green)
A11-1 stand-by lamp on control panel (red)
A11-2 remote control stand-by lamp (red)
A20 drain timer supply
EMR4 phase protection relay
AL alarm contact
ZR1 timer relay
PT thermostatic sensor (PT100)
HP indicates high pressure
LP indicates low pressure
TH indiates high temperature in the circuit
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