Universal Water Controller; About The Universal Water Controller (Mc-91Q); Turning On The Controller; Adjusting Temperature - Rinnai INFINITY 26 Smartstart Operation & Installation Manual

UNIVERSAL WATER CONTROLLER

ABOUT THE UNIVERSAL WATER CONTROLLER (MC-91Q)

WATER HEATER
'In Use' INDICATOR
Indicates that a water heater is in
operation and deliverin g hot
water.
DIGITAL MONITOR
I n d i c a t es t h e t e m p e r a t u r e
selected. Error message flash in
event of a fault.
TEMPER ATURE
CONTRO L BUTTONS
Used to select water temperature.
CONTROLLER
ON INDICATOR
Indicates if this temperature
controller is in control of water
delivery temperature.

TURNING ON THE CONTROLLER

If the water controller is switched off (No digits displayed in the
digital monitor window) press the On/Off button once.
The ON indicator will illuminate, indicating that the hot water unit
will be ready to supply hot water once a hot water tap is opened.

ADJUSTING TEMPERATURE

Select the desired temperature using the 'Hot water temp'
buttons until the required temperature is displayed on the
digital monitor.
To operate the hot water unit, open any hot water tap. This will
automatically light the burner providing hot water. The water
heater 'In Use' indicator will illuminate on the water controller.
Once the hot water is running, if the set temperature is either too
hot or cold press the 'Hot water temp'
desired temperature is reached.
CHECK WATER TEMPERATURE BEFORE USE.
A parent or carer should always check the temperature before a child is placed
CAUTION in contact with hot water, see page 1.
Whilst hot water outlets are open the set temperature may be lowered. However
they cannot then be raised above 43°C. In addition, transfer of 'priority' between
NOTE
controllers is not possible. These are safety features.
The 'beep' sound can be muted by pressing the 'Hot water temp' Up
Down
Rinnai
or
buttons simultaneously for more than 3 seconds.
or
buttons until the
6
PREHE AT INDICATOR
Indicates that the preheat function
is activated, See Smartstart
preheat operation on page 14.
PREHE AT BUTTON
Used to start ans stop the preheat
function of the appliance.
TRANSFER BUTTON
Used to transfer control priority
b e t w e e n t h e t e m p e r a t u r e
controllers. The controller with
priority has command of the hot
water delivery temperature.
ON/OFF BUTTON
Used to switch the water heater
on and off.
ON! ON!
COLD COLD
HOT HOT
and
Operation Manual