Use and Care Manual

72
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 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 72 through 80 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
Start/Adjust
Temperature Conversion Chart °F/°C
85 100 102 104 106 108 110 112 114 116
29 38 39 40 41 42 43 44 46 47
118 120 125 130 140 150 160 170 185 °F
48 49 52 54 60 66 71 77 85 °C