Remote Controller - Noritz ecoTOUGH NRC98-DV Installation Manual

Remote Controller

• Applicable Model
Noritz Condensing Tankless Gas Water Heater
Remote controller
Install the remote controller according to the instructions in the Installation Guide (p. 36).
* 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 remote controller, follow the below steps.
<When setting the maximum temperature to 130-140 °F (55-60 °C)>
1. Turn the water heater off by pressing the ON/OFF button on the 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 130 °F (55 °C) or 140 °F (60 °C) using the UP
and DOWN setting buttons.
4. To put the water heater back into operation, press the ON/OFF button on the remote controller.
To keep the water heater off, let the unit sit for 30 sec. to return to the original display.
• The NRC98-DV, NRC83-DV can be programmed so that it will default to one of three temperatures if
the remote controller is removed (140, 130, 120 °F (60, 55, 50 °C)). To change the default tempera-
ture, 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. Disconnect the remote controller. 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.
* Do not change any other dipswitches.
* High temperature.
Standard
130 F (55 C)
140 F (60 C)
ON=
• When changing the temperature, make sure to con¿ rm with the customer that the temperature of
the hot water will be very high and that there is a risk of scalding.
• Water temperatures above 120 °F (50 °C) can cause severe burns or death from scalding.
RC-7651M
1 2
OFF=
WARNING
29