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Unit Conversion Mode
Table 15: Water Heater Temperature Set Points
100
102
°F
°C
38
39
Units of measure can be changed from Imperial to Metric and vice versa. For example, temperature can be changed from
°F to °C. Flow rate will also change from gallons per minute to liters per minute when this se ng is changed. Follow this
procedure to change this se ng.
Table 16: Unit Conversion
1.
Turn on the 120 VAC power supply to the water heater.
2.
Press the ON/OFF bu on on the controller in order to turn the controller on.
The set point temperature will display as shown in the picture on the right (Example:
3
120°F).
4
Press and hold the SETTING bu on for 5 seconds to access the water heater A Mode.
The display will show code A00. Press the UP bu on once to display code A01. Press
5
the SETTING bu on to show the current temperature se ng. The temperature will
fl ash.
6
Press the UP bu on to alternate between F (Fahrenheit) and C (Celsius).
7
Press the SETTING bu on to execute the change.
Press and hold the SETTING bu on to return the display to normal opera on. The
8
new set temperature will appear in the selected unit
(Example: 49°C).
104
106
108
40
41
42
Opera on
110
115
120*
43
46
49*
Residen al Gas Tankless Water Heater Use and Care Guide • 47
OPERATION
125
130
135
52
54
57
Screen on the Controller
Built-in Controller
140
60
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