Figure 39
Figure 40
Figure 41
46
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 120°F (49°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 “4.10.1 Parameter settings” for further details.
Do not use the MCC-601 controller with these models.
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 Table 22: Performance Data Table.
4. To exit performance data, repeat step 2 above.
5. When complete, the set temperature appears in the display.
Temperature Settings
REP199i/e
REP160i/e
°F
120
125*
130*
135*
140*
°C
49
52
54
57
60
Table 21