5
ENGLISH
BASIC OPERATION
BASIC OPERATION
TANK TOP
MIXING WATER
PUMP 2
PUMP 1
HEATER 1
ACTUAL
HEATER 2
SETTING
STATUS
TANK BOTTOM
ERROR
C
SET
SELECT
CANCEL
ERROR
RESET
SETTING
MIX WATER
TANK
STATUS
SEARCH
HEATING
HEATER 2
HEATER 1
CHECK
OFF / ON
TEMP
C
C
OPERATION
HEATER 1
HEATING
HEATER 2
Operation Start / Stop
Operation Start / Stop
• The unit starts by pressing
OFF / ON
.
• When unit is ON, operation LED is lit and the actual
temperature for tank water and sanitary water setting
temperature are shown on the control panel display.
• Press
OFF / ON
again to stop the operation.
TO TURN ON OR OFF THE WATER TANK HEATER OPERATION
TANK
HEATER 2
HEATER 1
• By default, Heater 1 and Heater 2 will ON automatically once the unit is turned ON.
• The system will automatically turn OFF Heater 1 when water set temperature (H2O) is reaching 75°C.
• For Heater 2, operation takes place under default settings as follows:
- When Outdoor ambient temperature (Out Lo) is less than 0°C, water outlet set temperature
(H2O Lo) is 55°C.
- When Outdoor ambient temperature (Out Hi) is more than 15°C, water outlet set temperature
(H2O Hi) is 55°C.
• In between the speci
fi
ed outdoor ambient temperature range (Out Lo and Out Hi), the system will
automatically adjust the water outlet temperature between speci
fi
ed range (H2O Lo and H2O Hi).
• To cancel the Heater operation manually, press the respective button again.
TO TURN ON OR OFF THE PANEL/FLOOR HEATING OPERATION
HEATING
• By default, the Panel/Floor Heating system will ON automatically once the unit is turn ON, and will
automatically turned OFF once the outdoor ambient temperature is more than outdoor set temperature,
30°C by default.
• To cancel the Panel/Floor Heating operation manually, press the respective button again.
• “PUMP 2” indicator ON to indicate the water supply normally to Panel/Floor Heating system.
TO SELECT SANITARY WATER TEMPERATURE (3 OPTIONS)
MIX WATER
TEMP
45°C
◄►
50°C
◄►
55°C
• By default, the sanitary water temperature is set at 50°C.
• “PUMP 1” indicator ON to indicate the water supply normally.
• When the water supply temperature to the water tank unit is high, it is possible that sanitary water supply
temperature becomes higher than its setting temperature.
ERROR CODE RESET
ERROR
RESET
• Not usable during normal operation.
F567164_OYTH0909-01_1EN.indd 5
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9/3/2009 10:02:28 AM
9/3/2009 10:02:28 AM