Options
■
400/230 V transformer for the control circuit, for 400 V 3-phase supplies without neutral.
■ Water loop temperature sensor (drycooler) to be fitted with free-cooling upstream of the valve: Fluid 90 °C max. – 6-m cable – G
1/2" 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)
18 - ELECTRICS BOX OPTION
Function
■
The electrics box centralises the wiring and fans on the front of the unit.
Specifications
■
Ambient air:
-
Storage temperature: -40/+60°C
-
Operating temperature: -25/+60°C
■
Sealing: IP55
■
Cable routing diameter: M20
Components
■
Packing boxes are provided for the installer on the base of the box.
■
1 x 3-stage terminal (U1, V1, W1) for each fan for phase connection.
■
1 x 3-stage terminal (1, 2, PE) for each fan for thermal cut-out connection.
■
1 x 3-stage terminal (1, 2, PE) for each fan line for 0/10 V signal (EC FMA option).
■
For 2 line machines, a single common value of 0/10 V must be connected on the two terminal strips provided for this purpose.
17 - CONTROL CABINET WITH ELECTRONIC BOARD OPTION
18
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