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Chillers
DeltaChill™ Air Cooled and FreeCool
48
Chiller Technical Manual 7267818 V1.13.0_01_2018
Installation Data
Interconnecting Wiring
DCC / DCF
L1
Mains incoming supply 400V/3PH/50Hz
L2
L3
PE
L4
Separate Permanent Supply 230V/1PH/50Hz
N1
(1)
PE
L4
External Trace Heating Connections
N1
240V/500W max
502
Unit Remote On/Off 24VAC
505
500
(1)
Evaporator Water Flow Switch 24VAC
504
502
(1)
Remote Pump On / Off
515
502
(1)
Remote Pump Interlock
529
500
Remote setpoint adjust
825
573
Non-Critical Alarm
Volt Free Common Alarm
574
Volt Free Alarm N/O
575
Volt Free Alarm N/C
576
Critical Alarm
Volt Free Common Alarm
577
Volt Free Alarm N/O
578
Volt Free Alarm N/C
RX-/Tx-
Use Awg20/22 twisted pair (with
overall shield) cable, Belden ref.
8762 (Airedale ref: 6110316),
or equivalent, for network
RX+/Tx+
Network Connections In
GND
RX-/Tx-
Use Awg20/22 twisted pair (with
overall shield) cable, Belden ref.
8762 (Airedale ref: 6110316),
or equivalent, for network
RX+/Tx+
Network Connections
GND
CAUTION
(1) MUST be directly wired to the chiller to validate warranty.
pLAN Termination
RxTx -
RxTx +
GND
RxTx -
RxTx +
GND
Panel Side
Customer Side
The plugged termination ensures that the connections are made simultaneously. Failure to attach the cables this
way may cause damage to the controller.