Figure 41
Figure 42
Rinnai Tankless Water Heater Installation and Operation Manual
47
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.
Temperature range depends on model type. Refer to section "3.3 Specifications" for more information.
* 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.
** These settings require the installation of the MCC-601 controller. When the MCC-601 controller is connected, these higher
temperatures are available on all controller models in the system. Use of an MCC-601 controller in a residential dwelling will reduce
the warranty coverage to that of a commercial warranty application.
If setting temperature is 185°F, water pressure should be between 45 and 150 PSI.
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). (Figure 41)
3.
Use the
(Up) and
(Down) buttons to scroll to the desired information described in Table 23:
Performance Data Table. (Figure 42)
Temperature Settings
RE199i/e
RE180i/e
°F
98 100 102
104
106 108 110
115
120
125*
130*
135* 140* 150**
160**
185**
°C
37 38
39
40
41
42
43
46
49
52
54
57
60
66
71
85
RE160i/e
RE140i/e
°F
120
125*
130*
135* 140*
°C
49
52
54
57
60
Temperature Settings
RE199i/e
RE180i/e
°F
110
115
120
125
130
135 140 145 150 155
160
165*
170*
175*
180*
185*
°C
43
46
49
52
54
57
60
63
66
68
71
74
77
79
82
85
WARNING
* If setting temperature is greater than 165, water pressure should be between 45 and 150 PSI.
Table 21
Table 22
Alternate Temperatures Settings
A different range of temperature settings is available by setting parameter settings. The table below shows the settings
available with the MC-601 and MCC-601 controller.
MC-91-1, MCC-91-1, MC-100V-1, and BC-100V-1 controllers are not compatible with Alternate
Temperature Settings. Alternate Temperature Settings are for commercial applications. DO NOT
use the MC-91-1, MCC-91-1, MC-100V-1, BC-100V-1 controllers when parameter settings are set.
MC-601
MCC-601
