Dunkirk DWB Series - Manual

CONTROL MODULE
REPLACEMENT KIT #550002965
INSTRUCTIONS
CHB-100, CHB-130 and CCB-150
P/N 240010533, Rev. A [07/2014]
Kit installation shall be completed by qualified agency. Figure 1 - Control Housing Screw
WARNING
Fire, explosion, asphyxiation and electrical shock hazard.
Improper installation could result in death or serious injury.
Read this instruction and understand all requirements,
including requirements of authority having jurisdiction,
before beginning installation. Installation not complete until
appliance operation verified per Installation, Operation &
Maintenance Manual provided with boiler.
!
1. Follow instructions TO TURN OFF GAS TO APPLIANCE
found in Installation, Operation & Maintenance Manual.
Verify all electrical power to boiler is turned off.
WARNING
Electrical shock hazard. Turn OFF electrical power supply at
service panel.
!
2. Remove front jacket casing per instructions found in
Installation, Operation & Maintenance Manual.
WARNING
Burn hazard. Verify heat exchanger has cooled or use
appropriate personal protection equipment.
!
3. Remove control housing screw on lower right of control
housing. See figure 1.
4. Slide control housing forward, it will fold down on its
built in hinge. See figure 2
5. Remove two back cover screws. Remove back cover.
See figure 2.
6. Disconnect all wiring connectors on control board. See
figure 3.
7. Remove 2 screws holding board in place. Slide board
out. See figure 3.
8. Replace board with new board, screw board in place.
Connect wiring connectors on control board. See figure 3.
9. Replace back cover.
10. Fold control housing up and slide back into position.
Secure with control housing screw. See figure 1.
Figure 2 - Control Housing Folded Down on Hinge
Control Housing
Screw
Figure 3 - Screws Holding Board
Back Cover
Board Screws
Back Cover
Screws