49
SERVICING
Esprit -
Installation and Servicing
67 MAINS, PREHEAT AND SUMMER SWITCH REPLACEMENT
66 PRIMARY PCB REPLACEMENT
6
esp8849
5
4
3
1.
Refer to Frame 52.
2.
Swing the control box down into the servicing
position. Refer to Frame 46.
3.
Remove the two screws retaining the control box lid.
4.
Unclip the controls box lid and remove.
5.
Push the switch/switches to be replaced out from the
rear.
6.
Disconnect electrical leads from switches.
7.
Fit new switch, ensuring that the electrical leads are
replaced on the correct terminals (refer to Frames 36
and 37) and the key on the switch is correctly aligned
with the slot in the plastic moulding.
8.
Reassemble in reverse order.
9.
Check operation of boiler. Refer to Frame 52.
esp8853
5
6
4
3
1.
Refer to Frame 52.
2.
Swing the control box down into the servicing position.
Refer to Frame 46.
3.
Remove the two screws retaining the control box lid.
4.
Unclip the controls box lid and remove.
5.
Remove all of the terminal connections to the primary
PCB.
6.
Unclip the two plastic posts retaining the primary PCB and
remove.
7.
Fit the new primary PCB.
8.
Reassemble in reverse order.
9.
Check the operation of the boiler. Refer to Frame 52.
SER
VICING
203642-4.pmd
10/01/2008, 13:51
49
