![background image](http://html1.mh-extra.com/html/ibc/ex-series/ex-series_installation-and-operating-manual_3222196090.webp)
Figure 54
Connector wires
5. Gently remove the silicone air pressure tube from the gas valve by gripping near its base,
and put aside.
Figure 55
Silicone air pressure tube
6. From the inlet side of the gas valve (see
on
), remove the four (4) screws using
a 4mm Allen key, and put aside.
Figure 56
Screws on gas valve inlet
88
Section: Service and maintenance
Summary of Contents for EX Series
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Page 121: ...Appendices Wiring diagrams Figure 73 Controller electrical diagram 119 Appendices...
Page 122: ...Figure 74 Internal wiring diagram EX 400 and EX 500 models 120 Section Appendices...
Page 123: ...Figure 75 Internal wiring diagram EX 700 and EX 850 models 121 Wiring diagrams...
Page 124: ...Figure 76 Sequence of Operation 122 Section Appendices...
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Page 128: ...126 Boiler parts diagram EX 400 and EX 500...