Electrical connection. Protherm 100

ELECTRICAL CONNECTION

Warning: This boiler must be earthed.

All system components must be of an approved type.

Connection of the whole electrical system and any heating system controls to the electrical supply must be through a common isolator.

Isolation should preferably be by a double pole switched fuse spur box having a minimum contact separation of

3 mm on each pole. The fused spur box should be readily accessible and preferably adjacent to the boiler. It should be identified as to its use.

A fused three pin plug and shuttered socket outlet may be used instead of the fused spur box, provided that: a) They are not used in a room containing a bath or shower.

b) Both the plug and socket comply with the current issue of BS1363.

The mains electrical supply must be maintained at all times in order to provide domestic hot water and frost protection.

It is recommended that a room thermostat is fitted.

Thermostatic radiator valves may be installed in addition to the room thermostat.

Note: For further information, see The Building Regulations 1991 - Conservation of fuel and power - 1995 edition

- Appendix G, table 4b.

DO NOT INTERRUPT THE MAINS SUPPLY TO THE BOILER WITH A TIME SWITCH OR PROGRAMMER.

The Protherm 100 e is delivered with 1metre mains supply lead ready connected.

External controls

The boiler will work for heating AS DELIVERED without a room thermostat fitted provided the two wires on the integral external controls connection REMAIN LINKED TOGETHER (as supplied).

If a room thermostat is required, it must be connected as shown below and the link must be removed.

ANY ROOM THERMOSTAT USED MUST BE OF THE VOLTAGE FREE TYPE.

Diagram 12

WARNING: ON NO ACCOUNT MUST ANY ELECTRICAL VOLTAGE BE APPLIED TO

EITHER OF THE TERMINALS OF THE EXTERNAL CONTROLS CONNECTION

WARNING: This boiler must be wired in accordance with these instructions. Any fault arising from incorrect wiring cannot be put right under the terms of the guarantee.

15