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8 Manual - Rinnai Condensing Water Heaters
How to Set the Temperature
1. If the water heater is off, press
the ON/OFF button to turn on.
While any hot water is being
provided, the temperature setting can
only be adjusted between 98º F
(37º C) and 110º F (43º C).
NOTICE
DANGER
Hot water can be dangerous, especially for infants or children, the elderly,
or infirm. There is hot water scald potential if the thermostat is set too high.
Water temperatures over 125º F (51º C) can cause severe burns or
scalding resulting in death.
Hot water can cause first degree burns with exposure for as little as:
3 seconds at 140º F (60º C)
20 seconds at 130º F (54º C)
8 minutes at 120º F (48º C)
Test the temperature of the water before placing a child in the bath or
shower.
Do not leave a child or an infirm person in the bath unsupervised.
The priority can only be changed
while no hot water is running.
Temperature Controller Settings
This water heater will attempt to provide hot water at the temperature setting even when the water flow is varied
or when more than 1 tap is in use. The water heater can deliver water at only one temperature setting at a time.
The available temperatures for a given model are provided below.
Model Temperature Settings Available (ºF)
RC80HPi
RC80HPe
RC98HPi
RC98HPe
98 100 102 104 106 108 110 115 120
125
*
130
*
135
*
140
*
150
**
160
**
185
**
Temp in Celsius ºC 37 38 39 40 41 42 43 46 49 52 54 57 60 66 71 85
2. Press the “Priority button” on the
temperature controller. The
green Priority light will glow
indicating that this controller is
controlling the temperature and
that the Rinnai water heater is
ready to supply hot water.
Check local codes for the maximum
water temperature setting allowed
when used in nursing homes,
schools, day care centers, and all
other public applications.
NOTICE
If a newly installed unit with a
controller has not been powered for
at least 6 hours then the temperature
will return to the default setting of
104º F (40º C) if power is interrupted.
NOTICE
There may be a variation between
the temperature displayed on the
temperature controller and the
temperature at the tap due to
weather conditions or the length of
pipe to the water heater.
NOTICE
3. Press the ▲ or ▼ buttons to
obtain the desired temperature
setting.
All hot water sources are able to
provide water at this temperature
setting until it is changed again at
this or another temperature
controller.