Hyundai H-SWS1-100V-UI072, Instruction Manual

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14.
Electrical storage water heater
EN
CAUTION!
If these actions do not give a positive result or the thermal switch trips
on repeated occasions for a short period of time, then switch of the
water heater, shut of water feeding to the water heater, and contact the
authorized service center of Hyundai in your region for consultation or
repair of the product.
If a drain valve and a tee are not provided (refer to “Water supply network connection”), you can
drain water through the combined check valve / pressure safety valve. For that, unscrew the
screw of the drain lever on the combined check valve / pressure safety valve and place the drain
lever to the top position. At that, the hot water outlet valve shall be opened, while the cold water
inlet valve of the water heater shall be closed.
Drain lever
Screw
Pressure relief port
Please carry out test checks of the pressure safety valve for operability every 14 days as follows:
- place the drain lever to the top position until you feel transition of thread and then water will
low from the valve port. Ater you have conirmed that water lows out, return the lever to the
previous position.
Wipe the outer surfaces of the water heater with a moist cloth and soap as necessary.
CAUTION!
Never drain water, if its temperature exceeds 50°C, since it may result in
burns.
CAUTION!
If water does not low, this means that the valve is faulty. In this case, the
water heater shall not be used and we recommend you to call a specialist
of the service center.