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Adjusting Set Temperature
• This unit can be programmed so that it will default to one of four temperatures if the optional remote
controller is not used [140 °F (60 °C), 135 °F (57 °C), 130 °F (55 °C), 120 °F (50 °C)]. To change the
default temperature, adjust the DIP switches as described below. The default temperature is 120 °F (50 °C).
1. Disconnect electrical power to the water heater.
2. Remove the front cover of the water heater (4 screws).
3. Adjust the DIP switches as illustrated below.
4. Replace the front cover of the water heater (4 screws).
5. Reconnect electrical power to the water heater.
* Do not change any other DIP switches.
* High temperature.
120 F (50 C)
130 F (55 C)
135 F (57 C)
140 F (60 C)
ON=
OFF=
• Applicable Model
Noritz Condensing Tankless Gas Water Heater
Optional remote controller
Install the optional remote controller according to the instructions in the Installation Guide (p. 26).
* Only one remote controller can be connected to the water heater.
A malfunction may occur if two or more remote controllers are connected.
* The water heater has been factory set to allow a maximum temperature setting of [120 °F / 50 °C].
To access higher temperature settings through the optional remote controller, follow the below steps.
<When setting the maximum temperature to [125 -140 °F / 55 - 60 °C]>
1. Turn the water heater off by pressing the Power On/Off Button on the optional remote controller.
2. Press and hold the FLOW METER ALARM SET Button until a sound is heard (2 sec.) and [120 °F / 50 °C]
appears on the display.
3. Set the upper limit of the hot-water supply temperature to [125 °F, 130 °F, 135 °F or 140 °F / 55 °C or 60 °C]
using the UP and DOWN setting Buttons.
4. To put the water heater back into operation, press the Power On/Off Button on the optional remote controller.
To keep the water heater off, let the unit sit for 30 sec. to return to the original display.
• When changing the temperature, make sure to confirm with the customer that the temperature of
the hot water will be very high and that there is a risk of scalding.
• Hot water heater temperatures over 125 °F (52 °C) can cause severe burns instantly or death
from scalding.
1
2
Check
Check
RC-7651M
DANGER
* Remarks [125 °F / 55 °C]
Celsius display mode
Fahrenheit display mode
21
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