40
/11.2015/
G17D
EN
The unit must be installed and connected in accordance with the
chapter on "installation" before initial commissioning.
• Make sure that the master switch is off and the unit is de-energized.
• Open the electrical compartment door of the unit using the key provided.
• Check whether all power switches and control-circuit fuses in the electrical
section of the unit are switched off.
• Retighten all screw connections in the electric cabinet.
• Verify the smooth function of the contactors.
• Adjustment of the power switches according to electrical data sheet.
• Switch on the control-circuit fuses and the power switches of the fan and the
compressor in sequence.
• Close all doors of the A/C unit.
• Switch on the A/C unit at the master switch.
The controller is now supplied with power, so you can use it for adjustments.
Make sure that the heat rejecting system is operating.
A, AS
- air-cooled condenser
GE, GES
- dry cooler
Switching on power switch
Electrical compartment
Power switch off
Control circuit
fuses
Power switches
Master switch
7. Commissioning
Do not turn the adjustment screw beyond the end of the calibrated scale range, as it may result in
overheating and short-circuit at the consumer or in the destruction of the power switch.
non-calibrated range
IO Controller
Driver module
for electronic expansion
valve in the second refri-
gerant circuit, if existant.
