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OPERATION
Confi gura on Mode (A Mode)
You can confi gure the water heater to accommodate your applica on from A Mode. Follow the procedure below to access A
Mode:
1. Press and hold the SETTING bu on for 5 seconds to access A Mode.
2. Press the UP bu on or the DOWN bu on to search for the desired A Code.
3. If applicable, press the SETTING bu on to adjust the value. When the se ng fl ashes, use the UP or DOWN arrows to
change the se ng.
4. Press the SETTING bu on again to confi rm the new value selected is correct.
5. Press and hold the SETTING bu on for 5 seconds to return the display to normal opera on.
Table 17: A Table Se ngs
CODE
DESCRIPTION
A00
Set Temperature Se ng (for High Temp.)
A01
Temperature Unit
A02
Recircula on Interval Timer
A03
Pump Turn On Timer
A04
Pump Turn Off Timer
A05
Recircula on Mode
A06
Recircula on Type
A07
CA CT24 Mode
Confi gura on Mode (C Mode)
You can confi gure the water heater to accommodate your applica on from C Mode. Follow the procedure below to access C
Mode:
1. Press and hold the "UP" bu on and the "SETTING" bu on for 5 seconds to access C Mode.
2. Press the "UP" bu on or the "DOWN" bu on to search for the desired C Code.
3. If applicable, press the "SETTING" bu on to adjust the value of the C Code using the "UP" and "DOWN" bu ons. The value
will fl ash.
4. Press the "SETTING" bu on again to confi rm the new value selected is correct.
5. Press and hold the "UP" bu on and the "DOWN" bu on for 5 seconds to return the display to normal opera on.
Table 18: C Table Se ngs
CODE
DESCRIPTION
C01
Eleva on Se ngs in Feet (meters)
C03
Gas Type
C07
Power Frequency
48 • Residen al Gas Tankless Water Heater Use and Care Guide
°F
125
130
135
°C
52
54
57
°F
°F, °C
°C
5, 10(default), 15, 20, 25, 30, 40, 50, 60 min
°F
-10
-15
-20 (default)
°C
-6
-8
-11 (default)
°F
-5
-10 (default) -15
°C
-3
-6 (default)
0:
No recircula on (default)
1:
Recircula on Ac ve
0:
Dedicated Return Line (default)
1:
Crossover Valve
0:
Pump Timer Control (default)
1:
On Demand Control - CA Title 24
0:
0 – 1,999 (default) (0 - 609)
1:
2,000 – 5,399 (610 - 1,645)
2:
5,400 – 7,699 (1,646 - 2,347)
3:
7,700 – 10,100 (2,347 -3,078)
0:
Natural Gas (default)
1:
Propane
60:
60Hz (default)
50:
50Hz
OPTIONS
140
60
-25
-30
-14
-17
-20
-25
-8
-11
-14
OPTIONS
-35
-40
-19
-22
-30
-35
-17
-19
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