Service manual

15
TEMPERATURE CONTROLS
Using 2 or more universal Temperature Controllers.
Switching the system ON.
The hot water system and all controllers can be switched ON and OFF from
any controller by pressing the ON/OFF button as shown. When the system
is turned ON the water temperature display will be lit.
During normal operation the system is left ON. Do not push the ON/OFF
button when water is running.
Using hot water.
Ensure the system is switched On by verifying the temperature display is lit.
Ensure the local controller has priority by verifying the Transfer LED
indicator is lit. If it is not then press the Transfer button once. This gives the
local controller priority of temperature over the system.
Select the desired temperature using the Hot water temp. buttons. The
selected temperature will be displayed on all controller displays. This is the
water temperature which will be supplied from the heater.
Bathroom temperatures should be no
more than 50°C.
Open the hot water tap. The appliance will
be activated and the In Use indicator will
be lit.
Using 4 Universal Temperature Controllers.
You will need to activate the fourth controller.
STEP 1: On the Master controller press and hold the Transfer and
ON/OFF buttons simultaneously (see Fig. 2) until a “beep” is heard
(approx. 5 seconds).
STEP 2: Check that the display on all Four controllers is lit and
displaying a temperature when switched on. If any ONE of the
controllers displays two dashes (see Fig. 1) in the display repeat
STEP 1.
If the master controller is replaced, repeat STEP 1
above for the new controller.
NOTE
Fig. 1
Fig. 2