14.5 - compressor replacement
As the compressors are hermetic, when an internal
faultoccurs, the compressor must be replaced.This must be
done as detailed below:
•
Disconnect the unit from the electrical supply.
•
Remove the access panels.
•
Remove the gas from the refrigerant circuit using
recovery equipment.
•
To avoid harming the atmosphere.
•
Electrically disconnect the compressor.
•
Unbraze the suction and discharge lines, taking care
not to damage the rest of the components.
•
Remove the compressor fastenings.
•
Replace the compressor, ensuring that it contains
sufficient oil.
•
Braze in the lines.
•
Connect the compressor according to the wiring
diagram.
•
Evacuate the compressor.
•
Introduce the quantity of refrigerant indicated on the
nameplate through the service coupling located on the
low pressure side.
NOTE: This operation must be carried out by a qualified
person.
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14.6 - pump replacement
If the water pump needs to be replaced, proceed as
follows:
•
Disconnect the unit from the power supply.
•
Open/remove the access panel/s.
•
Electrically disconnect the pump.
•
Empty all water from the hydronic module.
•
Loosen the pipe unions nuts.
•
Replace the pump.
•
Tighten the pipe nuts.
•
Electrically connect the pump.
•
Connect the unit to the power supply.
•
Make sure the pump rotates in the right direction
using the hole in the back panel.
•
Reinstall the access panel.