Carrier 50CO Series - Cooling Coil; Electric Heater

13 - MAINTENANCE
For lters for sizes W115
- - Unscrew the clamps on the bottom part of the lter (close-up A)
- Release the lter by pulling up the tab on the top part of the lter (close-up B)
Replace the used lters by new lters. Take care to note the direction of air ow indicated on the new lters.
Always make sure that the lter elements are properly positioned before compressing them or switching the unit back on
Detail A
Detail B
13.2 - Cooling coil
Frequency of servicing
As the cooling coil is protected by a lter, 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.
Sizes W40 to W100 Size W115
Side door
Electric heater
B
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 retting.
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.
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