INSTALLATION

INSTALLATION

36 INTERNAL WIRING

A pictorial wiring diagram is shown in Frame 37.

The mains lead connector is pre-fitted. This must be removed to allow wiring.

1.Route the mains cable into the bottom LHS rear of the casing. If using the stand-off kit then route through the grommet.

2.Wire a permanent live supply into the 5-way remote plug terminals L3, N and .

IMPORTANT. A permanent live is ESSENTIAL in order for the advanced diagnostic controls to function correctly.

3.Wire the switched live supply into L2 or connect L1 and L2 via external control switching, as shown in Frame 32. In either case, remove the wire link fitted L1 to L2.

4.Secure the mains lead with the cable clamp.

5.Connect the mains lead connector. Ensure it is fully located.

Note.

Ensure that the lengths of the current carrying conductors are shorter than the earth conductor so that if the cable slips in its anchorage the current carrying conductors become taut before the earth conductor.

Incoming mains wiring detail

L3

N

L2

L1

Remove link when connecting external programmer.

Mains Connector

Socket

(supplied in hardware pack)

(fixed to boiler)

Ecl 1542

Ecl2367

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icos - Installation & Servicing

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IDEAL INDUSTRIES HE24, HE18, HE12, HE15 Installation Internal Wiring, Incoming mains wiring detail, Mains Connector Socket

HE12, HE15, HE18, HE24 specifications

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