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Turn on power supply and keep the unit running for a half hour, then turn off power supply and plug out,
check whether the socket and plug is hot or not.
Before cleaning, be sure to stop the operation and turn the breaker off or pull out the power plug.
Otherwise, an electric shock and injury may be caused.
Water temperature over 50
and elderly are at highest risk of being scalded. Feel water before bathing or showering.
Water temperature limiting valves are recommended.
Do not operate the unit with a wet hand. An electric shock may be caused.
The installation height of power supply should be over 1.8m, if there is any water spattered, separate
the power supply from water.
A one-way valve must be installed on the water inlet side, which is available from accessories, see
manual "accessories" part.
It's normal if some water drops from the hole of PT valve during operation. But, if there is a great
amount of water, call your service agent for instructions.
After a long term use, check the unit base and fittings. If damaged, the unit may sink and result in injury.
Arrange the drain pipe to ensure smooth draining. Improper drainage work may cause wetting of the
building, furniture etc.
Do not touch the inner parts of the controller.
Do not remove the front panel. Some parts inside are dangerous to touch, otherwise a machine
malfunction may be caused.
Do not turn off the power supply.
Installation information
Enough space for installation and maintenance shall be preserved.
The air inlet and outlet should be free from obstacles and strong wind.
The base surface should be flat, surface should be inclined no more than 2°and able to bear weight of
the unit and suitable for installing the unit without increasing noise or vibration.
The operation noise and air flow expelled shall not affect neighbors.
No flammable gas is leaked nearby.
It is convenient for piping and wiring.
If it is installed in indoor space, it might cause indoor temp decreased and noise, Please take preventive
measures for this.
If the unit has to be installed on a metal part of building, make sure the well electric insulation which
should meet the relevant local electric standard.
CAUTION
The ambient air temperature must also be considered when installing this unit, in Heat pump mode the
ambient air temperature must be above -7
these upper and lower limits, the electrical elements will activated to meet the hot water demand and
the heat pump does not operate.
The unit should be located in an area not subject to freezing temperatures. The unit located in
unconditioned space (i.e. garages, basements, etc.) may require the water piping, condensate piping,
and drain piping to be insulated to shelter against freezing.
Installing the equipment in any of the following places may lead to malfunction of the equipment (if it is
inevitable, consult the supplier):
1)
The site contains mineral oils such as cutting lubricant.
2)
Seaside where the air contains much salt.
can cause severe burns instantly or death from scalds. Children, disabled
and below 43 if the ambient air temperature falls outside
Sanitary Water Heater Technical Manual
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