ULTIMA™ REMOTE AIR COOLED
Technical Manual : Part No 6259485 V1.15.0_08_2018
As standard the equipment is designed for 400V, 3 phase, 3 wire 50Hz and a
separate permanent 230V, 1 phase, 50Hz supply, to all relevant IEE regulations,
British standards and IEC requirements.
A fused and isolated electrical supply of the appropriate phase, frequency and
voltage should be installed.
The control voltage to the interlocks is 24V. Always size the low voltage interlock
and protection cabling for a maximum voltage drop of 2V.
Wires should be capable of carrying the maximum load current under non-fault
conditions at the stipulated voltage.
Avoid large voltage drops on cable runs, particularly low voltage wiring.
A separately fused, locally isolated, permanent single phase and neutral supply
MUST BE FITTED for the compressor sump heater, evaporator trace heating and
control circuits, FAILURE to do so could INVALIDATE WARRANTY.
Mains incoming supply 400V/3PH/50Hz
Separate Permanent Supply 230V/1PH/50Hz
External Trace Heater Connections
Evaporator Pump Interlock 24VAC
Evaporator Pump Water Flow Switch 24VAC
Setback Setpoint Temperature switch
Remote Pump Interlock 24VAC
(1) MUST be directly wired to the chiller to validate warranty.
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