Specifications

65
INSTALLATION INSTRUCTIONS
Start/Adjust
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):
T urn 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 the “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)
1
2
3