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10 Manual - Rinnai Condensing Water Heaters
Setting Controller to Mute
To eliminate the beeps when keys are pressed or to turn the beeps back on, press and hold both the ▲and ▼
buttons until a beep is heard (approximately 5 seconds).
Models MC-91 and MCC-91
Filling the Tub
1. Press the “Water Smart / Bath Fill”
button once. The button will
illuminate, and a tone will sound.
2. The voice prompt will announce
“The hot water system is ready.
Open the hot water tap.”
Make sure the water volume is set.
Refer to “Setting the Water
Volume” on the previous page.
Open the hot water tap. The “In
Use” indicator will illuminate on
MC-100V and BC-100V controllers.
The hot water will begin to flow.
3. When the preset volume of water
has been produced then
4. Turn off the bath hot water tap and
push the Bath Fill button. The
water heater will not allow hot
water to flow from any source until
the “Water Smart / Bath Fill” button
is pushed.
The button light will go out.
HOT
COLD
ON!
To Stop the
Bath Fill
Before it
Finishes
To stop the water flow during the Bath
Fill function, press the “Water Smart /
Bath Fill” button. The button will flash
and the voice prompt will announce,
“Hot water is not available. Turn off
all hot water taps and push the Bath
Fill button.” Follow the voice prompt
instructions.
NOTICE
• the water flow will cease
• the “Water Smart / Bath Fill”
button will flash
• a tone will sound
• the voice prompt will
announce, “Bath fill is
complete. Turn off the bath
hot water tap and push the
Bath Fill button.”
When
Other Taps
Are Open
During the bath fill function, any hot
water flowing at other locations,
subtracts from the total amount of
water for the bath. For example if the
bath fill function is set for 50 gallons
and 5 gallons of hot water are used at
other locations during the fill period
then the bath will only fill with 45
gallons.
NOTICE
HOT
COLD
ON!
Using the Water Smart / Bath Fill Function
Setting the Clock
MC-100V Press the “Function” button twice within 10 seconds to set the clock. Press the ▲ or
▼ button to reach the desired time. The clock on the BC-100V automatically shows
the time which has been set on the MC-100V.
During the operation of the bath fill
function, the MC-91 “In Use” button
does not light up.
NOTICE