Rheem II Series Service Instructions Manual page 58

Gas Type Circuit Board: (Procedure 18)
1. Remove the PCB Assembly. Refer to Procedure 5.
2. Gently unplug the Gas Type Circuit Board from the PCB.
3. Reassemble in reverse order of above.
4. Restore power.
5. Press the MAX button. 4H should be displayed.
6. Test operation of water heater and ensure the MIN and MAX
burner gas pressures are correct. Refer to Procedure on page
51.
Burner Damper: (Procedure 19)
1. Remove the front panel, Burner Change Over Assembly, Combustion Chamber Front
Panel Assembly and Lower Burner Assembly. Refer to Procedures 2, 3, 4 & 5.
2. Remove the three screws retaining the
nozzle plate and remove nozzle plate.
3. Reassemble in reverse order of above.
Replace gaskets if required.
4. Test for gas leaks using soapy water solution.
Power cord: (Procedure 20)
1. Switch off power at power point and unplug power cord from power point.
2. Remove the front panel. Refer to procedure 2.
3. Unscrew screw on power inlet cover and remove power inlet cover.
4. Undo cord clamp screw located next to power filter and
remove clamp.
5. Disconnect the power cable wiring loom plug and
withdraw power cable through slot in heater jacket.
6. Reassemble in reverse order of above.
Connecting cord: (Procedure 21)
1. Isolate power at the water heater.
2. Remove the front panel. Refer to procedure 2.
3. Disconnect connecting cord wiring loom plug to power cord.
4. Disconnect remaining two connecting cord wiring loom plugs and remove connecting
cord.
5. Reassemble in reverse order of above.
TM090 12-26 Series II CFGWH Service Instructions
REV AB – Issued February 2019
This document is stored and maintained electronically by Rheem Technical Support. All printed copies are deemed "uncontrolled"
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