Bradford-White Corp MI30T*F service manual Combustion chamber

CAUTION

Use back up wrench on wrench boss of Gas Control, never use back up wrench on body of Gas Control.

Secure flange with hex drive screws.

TheBradfordWhite

DEFENDER

Safety System®

SERVICE PROCEDURE RG-VI

Gas Control

Testing, Disassembly & Replacement (Honeywell)

GAS CONTROL REPLACEMENT

Step 9. Reinstallation of inner door assembly (continued).

d) Firmly place right side inner door flange against the left side inner door flange and secure with (2) hex drive screws from step 6c. DO NOT OVER TIGHTEN SCREWS.

e) Align right side inner door to combustion chamber and verify the fastener holes of the combustion chamber are aligned with the right side inner door slotted openings. Verify seal integrity around combustion opening. Secure right side inner door using (2) hex drive screws from step 6b. DO NOT OVER TIGHTEN SCREWS. Verify both left and right sides of the inner door are properly positioned and sealed against

the combustion chamber.

Verify threaded hole alignment with slotted openings in inner door.

Step 10. Reconnect (2) red wire leads from pilot assembly and Gas Control to resettable thermal switch. Note: wire terminations are interchangeable with either resettable thermal switch connection.

Step 11. Replace outer jacket burner access door. Step 12. Reconnect gas supply to Gas Control.

Step 13. Resume water supply to water heater. Be sure tank is full of water before resuming operation.

Step 14. To resume operation follow the instructions located on the lighting instruction label or the lighting instructions located in the installation and operation manual.

30

30