3. The compressor and heater do not start operation at the same time.
1) When the compressor and heater operate at the same time, there will be at least 1-second
interval between them.
2) When both are turned on, the compressor is turned on followed by the heater after 1 second.
4.
Heater contrrol temperature and FND display specification
Hot water
temperature
Heater operation Thermistor resistance value
96°C or higher Stops 1 second after detecting 96°C 15.276
KΩ
96°C or higher Operates 17.992KΩ
FND indication part
sensor is faulty
SEGMENT ON
75.0
°C
When the cold water
function is selected
(ON all the time)
83.0°C 91.0°C 96.0°C
SEGMENT OFF
When the cold water
function is of
f
75.0
°C 83.0°C 91.0°C
5. Error display and load operation when the hot water temperature sensor is faulty
1) When the hot water sensor is OPEN or SHORT
- The bell rings “ding-ding-ding” and then the lower hot water indicator flashes on the FND.
FND indication part
Segment display
When the hot water
temperature sensor
is faulty
2) The heater is turned off when the hot water sensor is faulty.
3) When the hot water sensor is OPEN or SHOR
T, the temperature is detected 100 times at an
interval of 10 ms. When the sensor returns to a normal status, the normal operation resumes.
7. Operations when the hot water temperature is overheated
Classification Hot water temperature Operation
Overheated 99°C or higher (13.872
KΩ)
- The heater is turned off when the water is
overheated.
Restart 96°C or lower (15.276
KΩ)
- When restarting, the heater and the hot
water lamp operate in a normal condition
according to the hot water sensor values.
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