25
Cable Holder
Notches
Terminal
Screws
Projection
Screw
Electrical
Cover
Cable
Water heater
INSTALLATION - CONTROLLERS
CONNECTING TO THE WATER HEATER
1. Ensure the power to the water heater is
switched off.
2. Unscrew and gently remove the
electrical cover from the water heater.
3. Draw the cable/s through the electrical
cover.
4. Connect the cable lugs to the water
heater terminals. Ensure the terminal
screws are seated firmly.
Note:
The cable connections are non-
polarised. Three cable terminals, one
from each type of controller, can be
connected to the one water heater
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 power 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 7 to 13).
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, turn off the controllers and
follow the procedure, To Turn Off the Water Heater, on page 21.
