Normal operation general, Temperature settings, 510 computer board – John Wood Takagi - 110-310-510 User Manual
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NORMAL OPERATION
General
Hot Water temperatures over 52°C
(125°F) can cause severe burns instant-
ly or death from scalding.
The outlet hot water temperature of
the water heater is factory set at 50°C
(122°F).
Feel the water temperature before bath-
ing or showering.
•
•
•
Note:
Flow rate to activate the water heater: 2.8 l/min (0.75 gal-
lon (US) per minute).
Flow rate to keep the water heater running: 1.5 l/min (0.4
gallon (US) per minute).
1. Open a hot
water tap.*
2. Mix cold water
with the hot to get
the correct tem-
perature water.
3. Close the hot
water tap.
* If a remote controller installed, turn the remote controller
ON by pressing the power ON/OFF button on the remote
controller and then set the temperature by pressing the
HOT/COLD buttons before opening a hot water tap. The
temperature is displayed when the remote controller is
turned ON.
Temperature Settings
Without Remote Controller
Depending on the model, there are 4 or 8 temperatures that
you can select from by changing the DIPswitch settings on
the computer board without the remote controller. See the
table below.
Model
Temperatures available
110
45°C
(113°F)
50°C
(122°F)
55°C
(131°F)
60°C
(140°F)
310
510
40°C (104°F) 45°C (113°F) 50°C (122°F) 55°C (131°F)
60°C (140°F) 70°C (158°F) 80°C (176°F) 85°C (185°F)
For detailed DIPswitch settings for each temperature, refer
to the following chart.
The temperature has been preset at the factory to 50°C
(122°F).
If temperatures other than the ones listed above are
required, the remote controller can provide several more
temperature options. Refer to pg. 8 for a list of available
temperatures on the remote controller.
This water heater is an on-demand, tankless water
heater designed to efficiently supply endless hot water
without reference to temperature settings.
•
•
•
•
•
DIPswitch Settings For Temperature
110 & 310 Computer board
DIPswitches
510 Computer board
DIPswitches (Right bank)
110 & 310 Models
Temperature Settings
45°C
(113°F)
50°C
(122°F)
DEFAULT
55°C
(131°F)
60°C
(140°F)
Switch
No. 7
OFF
ON
OFF
ON
Switch
No. 8
OFF
OFF
ON
ON
ON
8
7
6
5
4
3
2
1
ON
8
7
6
5
4
3
2
1
ON
8
7
6
5
4
3
2
1
ON
8
7
6
5
4
3
2
1
510 Models
Temperature Settings (Right bank)
40°C
(104°F)
45°C
(113°F)
50°C
(122°F)
DEFAULT
55°C
(131°F)
Switch
No. 4
OFF
OFF
OFF
ON
Switch
No. 5
OFF
ON
OFF
OFF
Switch
No. 6
ON
OFF
OFF
OFF
ON
6
5
4
3
2
1
ON
6
5
4
3
2
1
ON
6
5
4
3
2
1
ON
6
5
4
3
2
1
60°C
(140°F)
70°C
(158°F)
80°C
(176°F)
85°C
(185°F)
Switch
No. 4
OFF
ON
ON
ON
Switch
No. 5
ON
OFF
ON
ON
Switch
No. 6
ON
ON
OFF
ON
ON
6
5
4
3
2
1
ON
6
5
4
3
2
1
ON
6
5
4
3
2
1
ON
6
5
4
3
2
1