Temperature Settings
Fahrenheit (°F)
98
100 102
104
106 108 110
115 120* 125* 130* 135* 140*
Celsius (°C)
37
38
39
40
41
42
43
46
49
52
54
57
60
Figure 72
Figure 73
Figure 74
70
Rinnai Tankless Water Heater Installation and Operation Manual
5.4.1 Available Temperatures with an Internal Controller
The water heater can deliver water at only one temperature setting at a time. The available
temperatures are provided below. A temperature lower than 98°F (37°C) can be obtained at the tap by
mixing with cold water.
To change the temperature scale from Celsius to Fahrenheit or vice versa, press and hold the “On/
Off” button on the controller for 5 seconds while the water heater is OFF.
* These models have a default maximum temperature of 120°F (49°C) and an option to increase the maximum
temperature to 140°F (60°C). Refer to section “4.12 Configure Parameter settings” for further details.
* For Crossover Mode, minimum temperature setting is 120°F (49°C).
5.5 Performance Data
To obtain performance data:
1. Press and hold the
(Down) button.
2.
While holding the
(Down) button for 2 seconds, press and hold
the “On/Off” button (hold both buttons simultaneously).
3.
Use the
(Up) and
(Down) buttons to scroll to the desired
information described in the Performance Data Table.
4. To exit performance data, repeat step 2 above.
5. When complete, the set temperature appears in the display.
Table 32
