SECTION 5 PRINCIPLE OF OPERATION
101
5.51 WIRING DIAGRAM—CONTROL CIRCUIT RC 250/3000 (230-3-50/60-A, 400/460-3-50/60-A)
A01: CONTROL CIRCUIT TRANSFORMER
A10-1: RUNNING LAMP ON CONTROL PANEL (GREEN)
A10-2: REMOTE CONTROL RUNNING LAMP (GREEN)
A10-3: DUAL BUTTON CONTROL LAMP (GREEN)
A11-1: STAND-BY LAMP ON CONTROL PANEL (RED)
A11-2: REMOTE CONTROL STAND-BY LAMP (RED)
A20: DRAIN VALVE
K01: FREE OF POTENTIAL CONTACT ON RELAY
EMR4: PHASE PROTECTION RELAY
F10: CONTROL CIRCUIT PROTECTION
F11: DRAIN VALVE PROTECTION
F12: FAN PROTECTION
F13: ALARM PROTECTION
K01: COMPRESSOR MOTOR RELAY
K10-1: FAN MOTOR RELAY 1
K10-2: FAN MOTOR RELAY 2
K20: TIMER DRAIN
K40: WATER POMP RELAY
K30: ALARM RELAY
K30-1: EKONOMIZER RELAY
P01: THERMAL PROTECTION OF COMPRESSOR
P10-1: THERMAL PROTECTION OF FAN 1
P10-2: THERMAL PROTECTION OF FAN 2
RL1: ESD2 CONTACT
RL2: ESD2 ALARM CONTACT
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
S04: REMOTE CONTROL SWITCH
S10-1: FAN PRESSURE CONTROL 1
S10-2: FAN PRESSURE CONTROL 2
S11: HP-LP SECURITY CONTROL
S20: SECURITY THERMOSTAT
S30-1: FAN PROTECTOR I
S30-2: FAN PROTECTOR II
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