Hitachi TAW-270NH2A Operation Manual page 5

Sanitary hot water heat pump
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O
Be sure to stop the unit and turn the breaker off before cleaning it
During operation, the internal fan rotates at high speed and coming into
contact with it will result in injury or damage.
O
Fill up the tank before starting operation
Failure to Ä ll up the tank will cause overheating and could result in damage.
O
Drain the tank of water when it will not be used for an extended period
of time
The quality of water may change if it is left standing in the tank for a month
or longer.
O
Check that the pressure-relief valve works
Using a faulty pressure-relief valve could damage the tank or result in water
leakage. If the valve is damaged, consult your sales agent.
O
Do not use an outdoor mounting frame damaged from long use
The outdoor unit could tip over causing injury.
O
Do not drink water from the tank unit directly
CAUTION
O
Do not drain hot water unmixed
Hot water can cause injury and damage the drain pipes.
Mix it with cold water before draining.
O
Do not touch the switch with wet hands
This may result in electric shock.
O
Do not wash the unit with water and do not place vases À lled with water
on top of it
This may result in electric shock or Ä re from leaking electricity.
O
Do not touch the water or pipe when draining the tank
You could suffer burn injuries.
O
Do not touch the mixer tap when À lling the tank with hot water
You could suffer burn injuries from the hot water.
O
Do not touch the pressure-relief valve or the drain pipe when inspecting
the valve
You could suffer burn injuries from the hot water.
Handling and Maintenance
– 5 –

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