48 • Residen al Gas Tankless Water Heater Use and Care Guide
Con
fi
gura on Mode (A Mode)
You can con
fi
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 con
fi
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
OPTIONS
A00
Set Temperature Se ng (for High Temp.)
°F
°C
125 130 135 140
52 54 57 60
A01
Temperature Unit
°F
°C
°F, °C
A02
Recircula on Interval Timer
5, 10(default), 15, 20, 25, 30, 40, 50, 60 min
A03
Pump Turn On Timer
°F
°C
-10 -15 -20
(default) -25 -30 -35 -40
-6
-8
-11 (default)
-14
-17
-19
-22
A04
Pump Turn O
ff
Timer
°F
°C
-5
-10 (default) -15
-20
-25
-30
-35
-3
-6 (default) -8
-11
-14
-17
-19
A05
Recircula on Mode
0:
1:
No recircula on (default)
Recircula on Ac ve
A06
Recircula on Type
0:
1:
Dedicated Return Line (default)
Crossover Valve
A07
CA CT24 Mode
0:
1:
Pump Timer Control (default)
On Demand Control - CA Title 24
Con
fi
gura on Mode (C Mode)
You can con
fi
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 con
fi
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
OPTIONS
C01
Eleva on Se ngs in Feet (meters)
0:
1:
2:
3:
0 – 1,999 (default) (0 - 609)
2,000 – 5,399 (610 - 1,645)
5,400 – 7,699 (1,646 - 2,347)
7,700 – 10,100 (2,347 -3,078)
C03
Gas Type
0:
1:
Natural Gas (default)
Propane
C07
Power Frequency
60:
50:
60Hz (default)
50Hz
OPERATION
