INSTALLATION CONTROLLERS
71
CONNECTING THE CONTROLLER(S) TO THE WATER HEATER
To connect the controller(s) to the water heater:
1. Ensure the electrical supply to the water heater is
switched off.
2. Unscrew and gently remove the electrical cover from the
underside of the water heater.
3. Draw the cable(s) through the electrical cover.
4. Connect a cable lug from each cable to each of the
remote controller terminals. Each cable has two cable
lugs.
Ensure the terminal screws are seated firmly and there
are no excess wire loops inside of the electrical cover.
The cable connections are non-polarised.
Three cable lugs, one from each type of controller,
can be connected to each remote controller
terminal.
5. Place the cable(s) in the cable holder notches.
It is important to seat the cables into the cable notches.
Failure to do this may cause an unstable contact or even
disconnection of the cables from the terminals if the
cables were to be pulled.
6. Refit the electrical cover to the water heater and replace the screws.
7. Switch on the electrical supply to the water heater.
Upon completion of the installation of the controllers, it is necessary to test their operation through the
complete range of functions (refer to “Temperature Control” on pages 11 to 40).
Upon completion and testing of the installation, explain to the householder the functions and operation of the
controllers and the water heater.
If it is necessary to turn off the water heater on completion of the installation, such as on a building site or
where the premises is vacant, follow the procedure “To Turn Off the Water Heater” on page 80.
CABLE
HOLDER
NOTCHES
CABLE
TERMINAL
SCREWS
PROJECTION
SCREW x 3
ELECTRICAL
COVER
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