iDEAl EsPRit - Ideal Heating
iDEAl EsPRit - Ideal Heating
iDEAl EsPRit - Ideal Heating
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SERVICING<br />
42<br />
52 REPLACEMENT OF COMPONENTS<br />
GENERAL<br />
When replacing ANY component<br />
1. Isolate the electricity supply.<br />
2. Turn off the gas supply.<br />
3. Remove the boiler front panel. Refer to Frame 45.<br />
After replacing ANY component check operation of the boiler,<br />
including gas tightness, gas rate and combustion test.<br />
1. Refer to Frame 52.<br />
2. Drain down the boiler. Refer to Frame 72.<br />
3. Unplug the electrical lead.<br />
4. Unscrew the thermistor.<br />
5. Fit the new thermistor using the sealing washer<br />
provided.<br />
6. Reassemble in the reverse order.<br />
7. Check the operation of the boiler. Refer to Frame 52 .<br />
SERVICING<br />
53 DRY FIRE THERMISTOR REPLACEMENT<br />
54 FAN REPLACEMENT<br />
1. Refer to Frame 52.<br />
2. Disconnect the electrical leads from the fan.<br />
3. Undo the gas pipe union connection to the injector housing.<br />
4. Remove the screw retaining the fan mounting bracket.<br />
5. Remove the fan and venturi assembly. Refer to Frame 47.<br />
6. Unscrew the 3 screws and remove the venturi<br />
assembly, noting the orientation of the venturi in 4<br />
relation to the fan body.<br />
7. Transfer the venturi assembly to the new fan,<br />
replacing the gasket if evidence of damage or<br />
deterioration is visible.<br />
8. Fit the new fan / venturi assembly.<br />
9. Reassemble the boiler in reverse order, taking care<br />
not to overtighten the screw on the fan mounting<br />
bracket.<br />
10. Check the operation of the boiler. Refer to Frame 52.<br />
IMPORTANT.<br />
When work is complete, the front panel, if removed, must be<br />
correctly refitted - ensuring that a good seal is made.<br />
Notes.<br />
1. In order to assist fault finding, the control panel has an<br />
LED diagnostic display. The key to boiler fault conditions<br />
is shown in Frame 84.<br />
2. In order to replace some components it is necessary to<br />
drain the boiler. Refer to Frame 72.<br />
THE BOILER MUST NOT BE OPERATED WITHOUT THE FRONT PANEL FITTED<br />
2<br />
Orifice plate<br />
Gasket<br />
esp8861<br />
6<br />
nm8766<br />
3<br />
Esprit - Installation and Servicing