Installation Guide
33  Page
NORMAL OPERATION
Normal Operaon
Owner's Guide
BUILT-IN CONTROLLER and REMOTE CONTROLLER
from examples.
"COLD" Button
"HOT" Button
Press the "HOT" button or the "COLD" 
button to set the hot water temperature.
STAND BY LED (Orange)
The indicator is ON to show that 
power is ON.
IN USE LED (Green)
The indicator lights during combustion.
"INFO" Button
Each time the button is pressed,
the operation mode is selected
in the sequence of the following.
Inlet water
temperature
Outlet water
temperature
Water
flow
When the STAND BY LED is ON, the 
hot water temperature will be 
displayed.
Display for Temperature
"ON/OFF" Button
Press this button to 
start or stop operation.
Built-in controller
Remote controller
 When the remote controller is installed it will take priority over the built-in controller.
 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.
NOTICE
GENERAL
1. Open a cold water
fixture.
2. Mix hot water with the cold water 
to get the correct temperature water.
3. When finished, close the 
water fixtures.
 Flow rate to activate the water heater: 0.5 gallon per minute at the default set
temperature (1.9 L/min).
 Flow rate to keep the water heater running: 0.4 gallon per minute (1.5 L/min).
NOTICE
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.
WARNING
°F 120 125 130 135 140 145 150 155
°C 49 52 54 57 60 63 66 68
Time to produce 
serious burn
more 
than 5 
min.
1½ to 2 
min.
about
30 sec.
about
10 sec.
less than 
5 sec.
less than 
3 sec.
about
1½ sec.
about 
1 sec.










