Hyundai H-IWR1-3P-UI 057/S Rainforest User Manual

8.

Electrical instant water heater

9.

Electrical instant water heater

EN

EN

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 inflicted personal injuries and property 
damages as a result of improper installation and operation of the appliance.

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

or mental disability having insufficient 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.

• Never leave the energized water heater unattended.
• Always switch off the water heater after 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 inflammable liquids near the appliance.

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

ists.

• 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 specifications 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 fire 
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 inflict 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 off the water outflow 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.

  

                                    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 inflict a severe damage to the water heater, other property, or result 
in a personal injury.

• Water temperature at the water heater inlet shall not exceed +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.