Airedale OptiChill FreeCool 500kW - 1365kW - Manual (Page 69)

Chillers OPTICHILL
™
Chillers
69
Technical Manual : 6530166 V1.6.0 02_2013
Installation Data
INTERCONNECTING WIRING
OPC500 - OPC1100
L1  
Mains incoming supply 400V / 3PH / 50Hz
L2  
L3  
E  
L4  
N1  
Separate Permanent Supply 230V / 1PH +N / 50Hz E  
11  
N   External Trace Heating Connections
230V/500W max
502  
507   (1) Remote Pump Interlock 24VAC
502  
505   (1) Evaporator Pump Water Flow Switch 24VAC
502  
504   Unit Remote On/Off 24VAC
502  
506   Setback Setpoint Temperature switch
581  
580   Non-
Critical
Alarm Volt Free Common Alarm
582   Volt Free Alarm N/O
Volt Free Alarm N/C
591  
590  
Critical
Alarm
Volt Free Common Alarm
592   Volt Free Alarm N/O
Volt Free Alarm N/C
RX-/Tx-  
RX+/Tx+  
GND   Network Connections
CAUTION (1) MUST be directly wired to the chiller to validate warranty.