6.2.2 Fuse
1. Turn off the gas supply to the unit.
2. Disconnect the unit from the power supply.
3. Locate damaged fuse housings in Figure 3 below.
Figure 3
4. Replace the old fuse with the new part.
5. Ensure that the new fuse is of an equivalent rating and that it is
properly fixed inside the housing.
6. Turn on water supply, power supply, and gas supply to the
unit.
6.2.3 Fan (Combustion Air)
1. Turn off the gas supply to the unit.
2. Disconnect the unit from the power supply.
3. Remove the Front Panel and Controller.
4. Remove the 4 screws from the Gas Pipe.
Figure 4
5. Disconnect wiring connectors of Fan and Venturi.
Figure 5
6. Remove the 4 fan screws from the Mixing Chamber.
Figure 6
7. Remove hose of APS from Intake Pipe and lift up Fan Ass’y.
Figure 7
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