Electronic board functions.
■
See the user manual for the electronic board.
Options
■
400/230 V transformer for the control circuit, for 400 V 3-phase supplies without neutral.
■ Water loop temperature sensor (drycooler) to be installed with freecooling upstream of the valve: Fluid 90 °C max. – 6 m cable – G
1/2" sensor pocket.
■ Pressure sensor (condenser): 35 bar max. (optional 50 bar max.) – mounted on the "flare" union on the inlet piping.
■ Remote control console: max. distance: 1000 m. To be installed locally.
Dimensions (L x H x D): 102 x 235 x 55 mm.
■ Relay board: this has potential-free (dry) contacts for remotely displaying the following parameters: unit operation, sensor faults
and fan stage faults. The boards must be installed in a cabinet.
■
Electrical power measurement.
Ventilation
■ Louvres with filters are fitted on the sides of the cabinet. As an option, a fan may be added for use from 45 to 55°C.
Heating
■
As an option, a heater connected to a temperature sensor may be added for use from -20 to -40°C.
Humidity
■ As an option, a heater connected to a humidity sensor may be added for use above 60% humidity.
Information available
■
See connection sheet or wiring diagram supplied with the cabinet.
■ On dry contacts:
-
Switch position feedback
-
Operating information
-
Fault summary (failsafe)
15 - CONTROL CABINET WITH ELECTRONIC BOARD OPTION
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