Overheat Thermostat - IDEAL Concord CXSi 110 Installation & Service Manual

32 BURNER AND CONTROLS ASSEMBLY - Exploded view - CXSi 180/H
LEGEND
1. Main gas inlet cock.
2. Gas inlet union.
3. 'O' ring seal.

33 OVERHEAT THERMOSTAT

1. Pull out the spring clip in the thermostat pocket in the flow
header and pull out the overheat thermostat phial and
capillary.
2. Ensure that the electrical supply is switched OFF.
3. Lift off the casing front panel and top panel.
4. Unclip the capillary from its clips on the casing side panel.
5. Undo the 2 screws securing the overheat thermostat
assembly and withdraw the assembly.
6. Undo the screw and remove the cover.
7. Remove the wires
8. Undo the backnut and remove the thermostat.
9. Fit the new thermostat and secure with the backnut.
10. Reconnect the wires as follows:
1. Pink 2. White
Reconnect the earth terminal.
Concord CXSi/H -
Installation & Servicing
SERVICING
4. High/low gas control valve.
5. Gas control valve.
6. Spark generator.
3. Red
7. Burner manifold.
8. Main injector.
9. Main burner - LH.
11. Reassemble in reverse order.
12. Ensure that the thermostat capillary is rerouted through the
casing side panel clips and that the phial is secure in the
pocket fitted to the flow header, using the spring clip.
10. Main burner (RH).
11. Ignition electrodes.
12. Detection electrode assembly.
PTP Pressure test point.
27