65
INSTALLATION INSTRUCTIONS
Setting the Water Temperature
WARNING:
Improper adjustment,
alteration, service, or maintenance can result in death,
personal injury, property damage, and/or product
damage.
Maximum Temperature Adjustment by
the Main Remote Control (UMC–117)
DANGER:
Water temperatures above 125°F
(52°C) will result in death and/or severe burns from
scalding.
WARNING:
Refer to chart below and the
scald potential warnings on page 4 on this manual before
making an adjustment. Changing this setting is done at
your own risk.
Residential water heater temperatures can be adjusted
up to 140°F (60°C).
DO NOT
perform the following
adjustment if a setting of up to 140°F (60°C) is not
required.
To change the temperature settings up to
140°F (60°C):
Turn on the remote control.
Turn off the gas and water to the water heater by
closing the shut-off valves.
Press the UP adjustment button repeatedly until
120°F (49°C) shows in the LED display. Hold the UP
button until “120” on the display starts to blink.
NOTICE:
LED display only shows °F.
Time/Temperature Relationship
in Scalds
Water
Time to Produce
Temperature
a Serious Burn
120°F (49°C)
More than 5 minutes
125°F (52°C)
1 1/2 to 2 minutes
130°F (54°C)
About 30 seconds
135°F (57°C)
About 10 seconds
140°F (60°C)
Less than 5 seconds
145°F (63°C)
Less than 3 seconds
150°F (66°C)
About 1 1/2 seconds
155°F (68°C)
About 1 second
Table courtesy of Shriners Burn Institute
The contents on pages 65 through 68 should only be performed by qualified service personnel.
In-Use
Indicator
(Lit during
operation)
Priority
Indicator
Temperature
Adjustment
Buttons
ON/OFF
Button and
Indicator
LED Display
(Displays
water
temperature
and error
codes)
3
1
Start/Adjust
2
