Friedrich WallMaster WCVT12B30A Handleiding (90 Pagina's)

Handleiding

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COMPONENT TESTING

Replace the Main PCB (Kuhl)

WARNING

ELECTRIC SHOCK HAZARD

Turn off electric power before service or

installation. Extreme care must be used, if it

becomes necessary to work on equipment with

power applied.

Failure to do so could result in serious injury or

death.

1. Unplug the unit

2. Remove the Front Cover. Refer to Routine Maintenance, Figure 401.

3. Remove the chassis from the sleeve. Refer to Remove The Chassis-

Kuhl.

3. Remove three (4) screws from Control Box Panel .(See Figure 712

Remove top screws (4 places)

Figure 712

4. The top cover will remain attached to the PCB. Separate from the

bottom tray and rotate the PCB assembly up. See Figure 713.

5. Swap wires one for one from old PCB to new PCB. If swapping wires

one for one is not possible, identify and tag wires.

6. Place PCB back in the bottom tray and reinstall the 4 screws.

7. Ensure wiring is routed correctly and replace any zip ties that were

cut.

8. Reinstall the Chassis - Kuhl.

9.. Install the Front Cover. (Refer to Routine Maintenance, Figure 401.

10. Plug in the unit and test the unit for proper operation. Refer to

operation section.

Figure 713

Replace the User Interface

1. Unplug the Unit

Remove the Front Cover. Refer to Routine Maintenance, Figure 401.

2. Remove 2 –mounting screws securing UI and disconnect ribbon cable.

3. Inspect ribbon cable for obvious signs of damage.

4. If ribbon cable is damaged, or damage is suspected, disconnect cable

from User Interface and PCB. Refer to Replace the Main PCB for ribbon

cable connection.

5. Paying careful attention to the ribbon cable routing, remove the old

cable and replace with a new ribbon cable.

5. Connect ribbon cable to the main PCB and user interface as required.

6. Install new UI using the 2-screws.

7. Plug in the unit and verify control operation. Refer to Operation

Section.

Bekijk gratis de handleiding van Friedrich WallMaster WCVT12B30A, stel vragen en lees de antwoorden op veelvoorkomende problemen, of gebruik onze assistent om sneller informatie in de handleiding te vinden of uitleg te krijgen over specifieke functies.