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Rinnai 10 HW_CF OIM
UNIVERSAL WATER CONTROLLER (MC-601Q) OPERATION
Turning On
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 or 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(s).
Once the hot water is running, if the set temperature is either too hot or cold press the
Hot water temp or buttons until the desired temperature is reached�
NOTE
Whilst hot water outlets are open, the set temperature may be lowered to a minimum of 37°C� For
safety, it cannot then be raised above 43°C until all hot water taps are closed�
If the water heater is turned ‘Off’ whilst hot water taps are open it can not be turned back ‘On’ until
all hot water taps have been closed�
Temperatures higher than 50ºC MUST NOT be able to be selected on controllers installed in
bathrooms, ensuites or toilets� This is to help reduce the risk of burns from hot water� If this is not
the case, the controllers have been incorrectly installed� CONTACT YOUR INSTALLER�
The 'beep' sound can be muted by pressing the and buttons simultaneously for more than
3 seconds� To cancel sound muting, simply repeat the process�
CAUTION
Always check outlet water temperature before use� The parent / carer MUST check the temperature
before placing dependants in contact with hot water, see "Warning About Hot Water" on page 4�
Transferring Priority
To control the water delivery temperatures when using two or more water controllers it is
necessary to have priority transferred to the water controller you wish to use� Transferring
of priority will NOT be possible if the ‘In Use’ indicator is currently illuminated, as this
indicates hot water is owing and that another water controller already has priority.
An illuminated Priority indicator conrms that the desired water controller is in control
of the water delivery temperature� If the Priority indicator is not illuminated press the
Priority Transfer button once� The Priority indicator will illuminate, indicating that hot
water temperature control has been transferred and that the hot water unit will be ready
to supply hot water once a hot water tap is opened�
Water Controller Combinations & Congurations
Wireless, Universal and Deluxe water controllers can be combined, Refer to "Water Controller Combinations &
Congurations" on page 9 to conrm the maximum number and combination of controllers that can be tted.
Indicates the temperature selected.
Error messages flash in event of a fault.
DIGITAL MONITOR
Used to select water temperature.
TEMPERATURE CONTROL BUTTONS
Indicates that the hot water heater is on.
WATER HEATER ON INDICATOR
Used to switch the water heater on and off.
ON/OFF BUTTON
Indicates that the Smartstart preheater (when fitted) is
activated.
PREHEAT INDICATOR
Used to start and stop the Smartstart preheat unit (when
fitted), See Smartstart Operation on page 11.
PREHEAT BUTTON
Indicates if this water controller is in control of water
delivery temperature.
CONTROLLER PRIORITY INDICATOR
Used to transfer control priority between water
controllers. The water controller with priority has
command of the hot water delivery temperature.
PRIORITY TRANSFER BUTTON
Indicates that a water heater is delivering hot water.
WATER HEATER 'IN USE' INDICATOR
HOTHOT
COLDCOLD
ON!ON!
WATER TEMPERATURE CONTROL
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