Heinner HDU-M20, Instruction Manual

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IV. WARNING FOR USING R32/R290 REFRIGERANT

Do not use means to accelerate the defrosting process or to clean, other than those
recommended by the manufacturer.

The appliance shall be stored in a room without continuously operating ignition sources
(for example: open flames, an operating gas appliance or an operating electric heater).

Do not pierce or burn.

Be aware that the refrigerants may not contain an odour. Appliance should be installed,
operated and stored in a room with a floor area according to the amount of refrigerant
to be charged. For specific information on the type of gas and the amount, please refer
to the relevant label on the unit itself.

Appliance should be installed, operated and stored in a room with a floor area larger
than 4 m2. Compliance with national gas regulations shall be observed.

Keep ventilation openings clear of obstruction.

The appliance shall be stored so as to prevent mechanical damage from occurring.

A warning that the appliance shall be stored in a well-ventilated area where the room
size corresponds to the room area as specified for operation. Any person who is
involved with working on or breaking into a refrigerant circuit should hold a current
valid certificate from an industry-accredited assessment authority, which authorises
their competence to handle refrigerants safely in accordance with an industry
recognised assessment specification.

Servicing shall only be performed as recommended by the equipment manufacturer.
Maintenance and repair requiring the assistance of other skilled personnel shall be
carried out under the supervision of the person competent in the use of flammable
refrigerants.

The appliance shall be stored in a room without continuously operating open flames
(for example an operating gas appliance) and ignition sources (for example an operating
electric heater).
Caution: Risk of fire/flammable
materials