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NORMAL OPERATION
BUILT-IN CONTROLLER AND REMOTE CONTROLLER
The illustration below shows an example of the controllers. The exact display may differ from examples. 140H
built-in controller display is same orientation as remote controller image as shown below.
Built-in controller
Display for Temperature
When the STAND BY LED is ON, the
hot water temperature will be
displayed.
"HOT" Button
"COLD" Button
Press the "HOT" button or the "COLD" button to adjust the hot water temperature.
• When the remote controller is installed it will take priority over the built-in controller.
NOTICE
• The controller has an energy saving mode. Five minutes after the water heater stops
operating, the backlight of the controller turns off.
• The backlight of the remote will turn back on once the water heater begins firing again.
• Temperatures above 125 °F (52 °C) can cause severe burns or death from scalding.
Children, disabled and the elderly are at high risk of being injured.
• To reduce the risk of scalding, install Thermostatic Mixing Valves (temperature limiting
valves) at each point of use.
WARNING
Time to produce
serious burn
1. Open a cold water
fixture.
• Flow rate to activate the water heater: 0.5 gallons per minute at the default set tempera-
NOTICE
ture (1.9 L/min).
• Flow rate to keep the water heater running: 0.4 gallons per minute (1.5 L/min).
Each time the button is pressed,
the operation mode is selected
in the sequence of the following.
Inlet water
temperature
IN USE LED (Green)
The indicator lights during combustion.
STAND BY LED (Orange)
The indicator is ON to show
that power is ON.
"ON/OFF" Button
GENERAL
°F
120
125
°C
49
52
more
1½ to 2
than 5
min.
min.
2. Mix hot water with the cold water
to get the correct temperature water.
"INFO" Button
Outlet water
Water
temperature
flow
Press this button to start
or stop operation.
130
135
140
54
57
60
about
about
less than
30 sec.
10 sec.
5 sec.
49
Page
Owner's Guide
Normal Operation
Remote controller
145
150
155
63
66
68
less than
about
about
3 sec.
1½ sec.
1 sec.
3. When finished, close the
water fixtures.
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