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PREPARING FOR OPERATION
O USE THE FOLLOWING STEPS TO START UP THE UNIT THE FIRST TIME OR WHEN IT HAS NOT BEEN
USED FOR EXTENDED PERIOD OF TIME.
FILLING UP THE TANK
Turn on the water tap and close the drain valve.
Turn on all connected mixer tap (hot water side).
It takes about 20 to 30 minutes to ll up the tank. Please keep all taps open for a while in order to clean
the tank and the drain pipes by running water.
Close all connected mixer taps (hot water side) and open all taps (cold water side).
Let the cold water run for awhile to clean out the tank.
Turn off all connected mixer taps.
Inspection
1
After lling the tank, check all pipe joints and the tank for leakage.
2
Check operation of the pressure-relief valve.
3
After heating water for the rst time, again check pipe joints and the tank for water leaks.
1
TURNING ON THE POWER
Turn on circuit breaker.
When the circuit breakers have been turn on, “-- : --”. will start to blink on the control panel of the tank unit.
CAUTION
Fill up the tank completely before turning the
power on.
Turning the power when the tank is empty will
overheat it and damage the unit.
In case that the electric power is supplied to both of tank unit and outdoor unit, please always turn on the
outdoor unit side rst.
If the tank side is turned on rst, it may fall into error mode of “E0 03” and the unit is unable to operate.
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