Hyundai H-IWR1-3P-UI056/C Instruction Manual & Warranty Card Download Page 5

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Electrical instant water heater

WATER HEATER SAFE OPERATION AND
INSTALLATION RULES

Always observe the safety rules, when using the water heater. Improper operation due to igno-
rance of these rules may result in personal injury to the user or other people, as well as damage

to their property. The manufacturer is not responsible for in icted personal injuries and property

damages as a result of improper installation and operation of the appliance.

Safety of children and people with physical disability

• The water heater is not designed for use by people (including children) with physical, sensory,

or mental disability having insu cient experience and knowledge, if they are not supervised

or instructed on use of the appliance by a person responsible for their safety.

• Any electrical appliance shall be supervised during its operation, especially if there are chil

dren close by.

• Carefully watch that children do not touch the appliance or use it as a game element.
• Do not allow children to use the water heater without supervision by adults.

General safety rules

• Never leave the energized water heater unattended.
• Always switch o the water heater a er use.
• Never change the design of the water heater or modify it.
• Never use the water heater, if it is faulty.
• Do not use the water heater in explosive or corrosive environment. Do not store gasoline and

other volatile highly in ammable liquids near the appliance.

• Do not use the water heater for purposes not speci ed in this instruction manual.
• Never splash water onto the heater or irrigate it.
• Any service operations shall be performed by a specialized organization, by quali ed special

ists.

Installation/connection safety and precautions

• Installation of the water heater in the operation place and arrangement of a power supply

line shall be performed by a specialized organization, representatives of the manufacturer’s
service department, or specialists having permits for installation of electrical equipment with
observations of the safety requirements.

• If the installation/operation instruction manual of the water heater is violated, the appliance

is not subject to warranty service and the manufacturer does not bear the responsibility.

• Do not install the water heater in a room, where ambient temperature may drop below 0°C
• Never install the water heater outdoors.
• Before installation and connection of the water heater, check and make sure that there is a

grounding loop in your electrical mains. If there is no grounding loop in your electrical mains,
operation of the water heater is life-threatening.

• Connect the water heater to 220 VAC / 50 Hz mains only. If necessary, clarify speci cations of

your electrical mains from the electrical energy suppliers.

• Never connect the water heater to the electrical mains using a male plug, except for H-IWR1-

3P series. Never use any electrical extension cords.

• Cross section of the electrical cable used for connection to the electrical mains shall meet

rated current of the water heater.

• Cross section of the electrical cable shall be increased, if the cable and water heater are

located on a thermally insulated or heating wall.

• Wires of the electrical cable in the terminal block of the water heater and power switchboard

shall be secured, since a loose connection may result in wire heating, which is very re

hazardous.

• Make sure that the electrical cable does not cross sharp edges or contact with hot surfaces.
• Do not connect the grounding loop of the water heater to water/gas supply lines, etc.
• Make sure that electrical wiring is properly connected (including connection to the grounding

loop).

• Thoroughly follow the connection procedure of the water heater, since improper connection

will result in its failure and may in ict harm to the user.

• To avoid air pockets and breakdown of the appliance, the water heater shall be installed on a

wall strictly in horizontal position with its connections downward.

• Do not swap locations of the water inlet and outlet positions, since this will result in break

down of the water heater or a personal injury (see color marks - blue for water inlet and red
for water outlet).

• Never install an isolation valve at the water outlet or shut o the water out ow including that

via bending of the shower hose.

• If the water heater will be used in a bathroom, it is recommended to install it above body

height so that water splashes do not get onto its housing.

• The water heater shall only be installed and operated with the original accessories provided

in the package.

Operation/cleaning safety and precautions

CAUTION!

Do not switch on the water heater, if water may freeze in it.

• The water heater is designed only for household use indoors in closed warm spaces. The

water heater is not designed for industrial use.

• The water heater is designed only for heating of water. Do not use the appliance for heating of

other liquids. This may in ict a severe damage to the water heater, other property, or result

in a personal injury.

• Water temperature at the water heater inlet shall not 35°C.
• Do not remove the front panel of the water heater during its operation or before de-energi

zation.

• Immediately disconnect the water heater from the electrical mains in case of strange sounds,

odor, or smoke from it.

• Do not use the water heater with the damaged electrical cable or other damages.
• For troubleshooting and repairs, please contact the nearest authorized service center of the

manufacturer in your region.

• Exclude clogging of the shower head nozzle and tap nozzle.
• Before cleaning or maintenance of the water heater, always disconnect it from the electrical

mains. Perform cleaning or maintenance in accordance with the guidelines of this instruction
manual.

• Do not use hazardous chemicals for cleaning of the water heater and exclude their contact

with it.