Interconnecting wiring, Chillers ultima compact freecool, Installation data – Airedale Ultima Compact FreeCool 30kW - 450kW User Manual
Page 61: Chillers, No pumps, Caution, With pumps
Chillers
ULTIMA COMPACT FREECOOL
Chillers
61
Technical Manual : 6259576 V1.2.0_02__2013
Installation Data
INTERCONNECTING WIRING
No Pumps
UCFC 75 - 450
L1
Mains incoming supply 400V / 3PH / 50Hz
L2
L3
E
L4
Separate Permanent Supply 230V / 1PH +N / 50Hz
N1
E
2
External Trace Heater Connections
N
230V/500W max.
502
(1) Evaporator Remote Pump Interlock 24VAC
522
502
Unit Remote On/Off 24VAC
505
502
Setback Setpoint Temperature switch
507
573
Circuit 1
Volt Free Common Alarm
574
Volt Free Alarm N/O
575
Volt Free Alarm N/C
576
Circuit 2
Volt Free Common Alarm
577
Volt Free Alarm N/O
578
Volt Free Alarm N/C
RX-/TX-
Network Connections
RX+/TX+
GND
CAUTION
(1) Must be directly wired to the chiller to validate warranty.
With Pumps
UCFC 75 - 450
L1
Mains incoming supply 400V / 3PH / 50Hz
L2
L3
E
L4
Separate Permanent Supply 230V / 1PH +N / 50Hz
N1
E
2
External Trace Heating Connections
N
230V/500W max
502
Pump/s Remote On/Off 24VAC
526
502
Unit Remote On/Off 24VAC
505
502
Setback Setpoint Temperature switch
507
573
Circuit 1
Volt Free Common Alarm
574
Volt Free Alarm N/O
575
Volt Free Alarm N/C
576
Circuit 2
Volt Free Common Alarm
577
Volt Free Alarm N/O
578
Volt Free Alarm N/C
RX-/TX-
Network Connections
RX+/TX+
GND