36 LT5052 (ISS 5)
REPLACEMENT OF FAN CONTROL UNIT
1. Repeat operations 1-7 for
removal of gas control.
2. Remove cover (2 screws)
3. Disconnect mains lead, fan
lead and thermocouple leads
from rear of unit (fig.. 21).
4. Remove fan control unit.
5. Fit replacement unit and
assemble in reverse order.
6. Turn on the gas supply and
check for soundness.
7. Restore electrical supply and
recommission appliance.
REPLACEMENT OF THE FAN HOUSING
1. Isolate the appliance from the electricity supply.
2. Undo the four screws at the side of the fan cover and remove it.
3. Unplug the two connector blocks for the fan and the pressure switch.
4. Undo the four retaining screws holding the housing on the wall.
5. Carefully pull the housing away from the wall, easing the wiring harness out through the grommet hole at
the rear.
6. Fit replacement unit and re-assemble by following the relevant part in section nine.
7. Restore electrical supply and re-commission appliance.
REPLACEMENT OF FAN ASSEMBLY
1. Isolate the appliance from the electricity supply.
2. Remove fan cover (4 screws).
3. Disconnect fan leads remove fan earth from earth post.
4. Remove fan assembly complete with mounting plate (4 screws).
5. Remove fan unit from mounting plate (3 screws).
6. Fit replacement unit and assemble in reverse order.
7. Important:- The earth lead must be connected to the earth post.
8. Re-commission appliance.
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