Noritz NR111-SV Manuel D'installation page 52

Remote Controller
• Applicable Model
Remote controller
Install the remote controller according to the instructions in the Installation Guide (p.59).
* The water heater has been factory set to allow a maximum temperature setting of 50°C (122°F).
To access higher temperature settings through the remote controller, follow the below steps.
* When using the remote controller with a multi-system controller, the maximum temperature of the
water heater can be set up to 83°C (180°F) without making the following settings.
• 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.
• Water temperatures above 52°C (125°F) can cause severe burns or death from scalding.
<When setting the maximum temperature to 55-60°C (130-140°F)>
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 50°C
(122°F) appears on the display.
3. Set the upper limit of the hot-water supply temperature to 55°C(130°F) or 60°C (140°F) 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.
<When setting the maximum temperature to 55-83°C (130-180°F)>
1. Turn the water heater off by pressing the ON/OFF button on the remote
controller.
2. Disconnect electrical power to the water heater.
3. Remove the front cover of the water heater (4 screws).
4. Connect "WATER TEMPERATURE ADJUSTMENT CONNECTOR" tag
connector to "180°F" tag connector as shown on the right.
5. Replace the front cover of the water heater (4 screws).
6. Reconnect electrical power to the water heater, but do not turn it on.
7. Press and hold the FLOW METER ALARM SET button until a sound is
heard (2 sec.) and 50°C (122°F) appears on the display.
8. Set the upper limit of the hot-water supply temperature to
55°C (130°F), 60°C, 65°C, 70°C, 75°C (140°F, 149°F, 158°F, 167°F) or 83°C (180°F)
using the UP and DOWN setting buttons.
9. 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 NR111-DV can be programmed so that it will default to one of four temperatures if the remote control-
ler is removed (80°C, 60°C, 55°C, 50°C (176°F, 140°F, 130°F, 122°F)). To change the default tempera-
ture, connect the temperature selection wire as shown in the above diagram. The default temperature is
50°C (122°F) when the temperature selection wire is not connected.
• 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.
• Water temperatures above 52°C (125°F) can cause severe burns or death from scalding.
52
NR111-DV
RC-7650M
WARNING
WATER TEMPERATURE
(the back : 55 C) (the back : 60 C)
ADJUSTMENT CONNECTOR
(the back : 83 C)