HOT control function (heater control)
Function Explanation
1.
Heater control
function
• IftheHOTselectionswitchisON,theheateriscontrolledaccordingtowaterlevel
and hot water temperature.
- HeaterONtemperature:80°C(26.13kΩ):revision(previously84°C)
- HeaterOFFtemperature:94°C(16.302kΩ)
• HOTselectionswitchON
- The HOT function is selected if the HOT selection switch is pressed briefly
(200 ms or more).
- Heater output is controlled according to water level and hot water temperature
after the HOT selection switch is ON for 1 second.
- The heater only operates if low water level is detected. The heater does not
operate if there is a water level sensor error or low water level is not detected.
- FND display status
→
H1 always kept ON, H2/H3 ON/OFF control according to hot water
temperature
• HOTselectionswitchOFF
- The HOT function is turned off if the HOT selection switch is pressed and held
(1s or more).
- Heater output is turned OFF after the HOT selection switch is OFF.
- FND display status
→H1/H2/H3keptoff
• FNDdisplaycontrolspecificationsaccordingtohotwatertemperatureareas
follows.
- ON/OFF control specifications according to the HOT segment's temperature are
as follows.
HOT Segment ON OFF
H3 94°C(16.302kΩ) 80°C(26.13kΩ)
H2 79°C(27.06kΩ) 74°C(32.292kΩ)
H1 Always ON
- Temperaturedetectionrange:1.2MΩ~13kΩ
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