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SERVICING
Esprit -
Installation and Servicing
68 USER CONTROL PCB
69 PRESSURE GAUGE REPLACEMENT
1.
Refer to Frame 52.
2.
Drain the boiler. Refer to Frame 72.
3.
Swing the control box into the servicing position. Refer to
Frame 46.
4.
Unscrew the pressure gauge connection.
5.
Remove the 2 screws retaining the controls box lid.
6.
Remove the controls box lid by unclipping the plastic clips.
7.
Unclip the pressure gauge head from the plastic control
box surround.
8.
Fit the new pressure gauge.
9.
Re-assemble the boiler in reverse order.
10.
Check the operation of the boiler. Refer to Frame 52.
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Note.
Anti static precautions must be observed
when handling the user control PCB.
1.
Refer to Frame 52.
2.
Swing the control box into the servicing
position. Refer to Frame 46.
3.
Remove the 2 screws retaining the control box
lid.
4.
Remove the Controls box lid by unclipping the
plastic clips.
5.
Unclip and remove the primary PCB. Refer to
Frame 67.
6.
Remove the plate interface shield.
7.
Attach the earth strap supplied to wrist and
clip on to main boiler chassis.
8.
Remove the electrical connection from the
back of the user control PCB.
9.
Remove the three screws retaining the user
control PCB and replace.
10.
Re assemble the boiler in reverse order.
11.
Check the operation of the boiler. Refer to
Frame 52.
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SER
VICING
203642-4.pmd
10/01/2008, 13:51
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