Airedale OptiChill FreeCool 500kW - 1365kW - Manual (Page 31)

Chillers OPTICHILL
Chillers
31
Installation & Maintenance : 6564868 02/2013
Installation Data
INTERCONNECTING WIRING
OPC500 - OPC1100
L1  
Mains incoming supply 400V/3PH/50Hz
(N2 only required for Power Meter Option)
L2  
L3  
N2  
E  
L4  
Separate Permanent Supply 230V / 1PH +N / 50Hz N1  
E  
11   External Trace Heating Connections
N   230V/500W max
502   (1) Remote Pump Interlock 24VAC
507  
502   (1) Evaporator Pump Water Flow Switch 24VAC
505  
502   Unit Remote On/Off 24VAC
504  
502   Setback Setpoint Temperature switch
506  
581   Non-
Critical
Alarm Volt Free Common Alarm
580   Volt Free Alarm N/O
582   Volt Free Alarm N/C
591  
Critical
Alarm
Volt Free Common Alarm
590   Volt Free Alarm N/O
592   Volt Free Alarm N/C
RX-/Tx-  
RX+/Tx+   Network Connections
GND  
CAUTION (1) MUST be directly wired to the chiller to validate warranty.