Rinnai REU-KM2035FFUD-E Installation And User Manual page 12

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).
Fig. 1
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. 2
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