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INSTALLATION – CONTROLLERS

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 terminal

screws. 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

screw.

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 9 to 38).

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 71.

screw

electrical cover

cables

water heater

terminal screws

projection

cable holder

notches

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