Technical data

22
5.3 Electrical connection
CAUTION
The appliance requires a 230 V ac 50 Hz mains supply, and
must be earthed and connected via a double pole isolating
switch fitted with a 3 amp fuse. The switch must be readily
accessible, within 1m of the appliance, and provide
complete electrical isolation for the boiler and control
system.
The appliance is supplied factory wired complete with 1 m
of mains cable. All electrical connections to the mains
supply must be made in full accordance with the current
I.E.E. regulations (BS 7671).
Isolate the supply by opening the double pole switch
when carrying out maintenance activities.
1. Remove the optional pipework cover forwards.
2. Unscrew the screws (A) in order to gain access to the space of the
controller (B).
3. The cover plate (& display) hinges open downwards. This gives
access to the controller and electrical connections.
4. Consult §10.1and §10.2 for making connections.
5. After having made the required connections, connect the appliance to
a switched supply, as given above.
Controller
Label and Associated Terminals for HE26