Cooling Coil; Electric Heater - Carrier 50CO-Serie Installations-, Betriebs- Und Wartungsanleitungen

13 - MAINTENANCE
For filters for sizes W115
- - Unscrew the clamps on the bottom part of the filter (close-up A)
- Release the filter by pulling up the tab on the top part of the filter (close-up B)
Replace the used filters by new filters. Take care to note the direction of air flow indicated on the new filters.
Always make sure that the filter elements are properly positioned before compressing them or switching the unit back on

13.2 - Cooling coil

Frequency of servicing
As the cooling coil is protected by a filter, its air circuits require very little maintenance
Always cut the power supply to the unit before any cleaning operations.

13.3 - Electric heater

Frequency of servicing
The electric heater requires very little maintenance. However, the following checks are necessary:
Visually inspect the heating elements, wires and connection cables after every 1500 hours of operation.
Check and retighten the connections once or twice a year.
B To remove the heaters
- Unscrew the screw and remove the washer, and push the pin backwards to release it from its housing. Carry out this procedure
in reverse when refitting.
The electric heater is located behind the exchanger (chilled water coil or direct expansion coil).
Open the side door to access it. Clean using an air nozzle.
Sizes W40 to W100
Side door
Detail B
Detail A
Size W115
B
Electric heater
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