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2-3. How to reset hydro function code
If the hydro unit PCB has been replaced, it is necessary to change the FC 01 (capacity setting)
(1) Preparation
1) Turn all off the Hot water supply operation and Heating/Cooling operation.
2) Turn off the power supply of the hydro unit and the outdoor unit.
3) Remove the front panel of the hydro unit and cover to the hydro unit electrical box.
4) Set SW06_1 and _2 "ON".
(2) Procedure
1) Turn on the power supply of the hydro unit and the outdoor unit.
• The small yellow LED located near the MCU should be flashing slowly.
2) Press tactile switch SW07 until the yellow LED turns off.
• When the tactile switch SW07 has been press for 5 sec, flashing becomes quickly. And when the
switch will be pressed further 5 sec, the yellow LED will turn off.
When the SW07 is released, the yellow LED start to flash quickly again.
3) Turn off the power supply of the hydro unit and the outdoor unit.
4) Set SW06_1 and _2 to "OFF".
5) Replace the electrical box cover and front panel on the hydro unit.
2-4. How to reset remote controller function code
You can reset remote controller function code on remote controller.
Press the [ ] [ ] [ ] long time in “FC for remote controller” display, and select “YES”.
And you can reset hydro function code on remote
controller.
Press the
[ ] [ ] [ ] long time in
“FC for Hydro unit” display, and select “YES”.
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