26
5.2 Mains wiring notes:
1. Read Section 5.1 before attempting to wire the supply to the product.
2. The wiring connections are identified on the terminal plugs.
3. Fuses should be fitted in all live conductors.
4. Double or reinforced insulation must be maintained between:
-
Hazardous live conductors (mains and relays circuits) and
-
Safety extra low voltages (All other components / connectors / conductors).
5. The wiring diagrams show relays and switches in the Power Off position.
6. Where the probe is fitted in the blowdown line and a purge is required 10 – 60 minutes
of boiler firing (cumulative), connect a live supply from the burner control to the burner
input. This supply should be live whenever the burner is firing – see Wiring Diagram.
Disconnect device conforming to
IEC 60947-1 and
IEC 60947-3
Disconnect device conforming to
IEC 60947-1 and
IEC 60947-3
1
4
1
4
L
N
L1
L2
3 A fuse
Product
Product
3 A fuses
Fig. 16
Fig. 17
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