Potterton Ultra 30 Installation & Servicing Manual page 41

Ultra range of wall mounted fan assisted balanced flue gas boilers
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WIRING DIAGRAMS - PAGE 41
b. Functional flow wiring diagram
Note:
Always set the Test Switch to the O (off) position if a programmer is used before the case is fitted.
Supplied By www.heating spares.co Tel. 0161 620 6677

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