2. Hot water selection switch on
1) When the hot water selection switch is pressed, the function is selected.
2) When the hot water selection switch is on, the heater output is controlled according to the water
level and hot water temperature.
3) The heater operates only when the water level is above the middle level. When the water level is
low (no water), the heater does not operate.
4) FND display status: HOT LED segment (H1) is turned on together with the LED that corresponds
to the current water temperature (H2, H3, H4, H5).
3. Hot water selection switch Off
1) When the hot water selection is On, pressing the hot water selection switch for 2 seconds or
more turns off the hot water function.
2) FND display status: All the HOT LED segments (H1/H2/H3/H4/H5) are turned off.
4. FND display control specifications according to the hot water temperature
1) H2/H3/H4/H5 is turned on according to the hot water temperature.
2) The On/Off control specifications according to the wat water segment are as the following:
HOT segment ON OFF Remark
H5 93°C (16.845kΩ) 87°C (20.563kΩ)
H4 85°C (22.003kΩ) 80°C (26.132kΩ)
H3 75°C (31.160kΩ) 70°C (37.307kΩ)
H2 65°C (44.856kΩ) 60°C (54.165kΩ)
H1 - -
Hot water selection switch is on
→ it is on all the time.
5. HOT level control specification
Hot water temperature Heater control Remark
88°C or lower ON 19.833kΩ
93°C or higher OFF 16.845kΩ
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