Rinnai 26i - Manual (Page 24)

24
Using 4 Universal Temperature Controllers.
You will need to activate the fourth controller.
STEP 1:
STEP 2:
Note:
If the master controller is replaced, repeat STEP 1 above for the new controller.
TEMPERATURE CONTROLS - OPERATING
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)
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.