UMN70M1 Owner’s Manual English

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SAFETY INSTRUCTIONS

ENGLISH

• 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. (for R32)

• Ducts connected to an appliance shall not contain a potential ignition source. (for R32)

• This equipment shall be provided with a supply conductor complying with the national

regulation.

• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or

similarly qualified persons in order to avoid a hazard.

• The appliance shall be installed in accordance with national wiring regulations.

• A warning that if appliances with A2L refrigerants connected via an air duct system to one or

more rooms are installed in a room with an area less than Amin as determined in Clause GG.2,

that room shall be without continuously operating open flames (for example an operating gas

appliance) or other potential ignition sources (for example an operating electric heater, hot

surfaces). A flame-producing device may be installed in the same space if the device is

provided with an effective flame arrest. (For R32)

• For installations with field applied mechanical joints which are exposed in the occupied space,

the instructions shall state that a sensor shall be located remote located within 2 m horizontal

distance in line of sight of the unit and on a wall within the room in which the unit is installed;

and (For R32)

- 100 mm above the floor where h0 is not more than 300 mm from the floor; or

- 300 mm above the floor where h0 is greater than 300 mm from the floor.

• Auxiliary devices which may be a potential ignition source shall not be installed in the duct

work. Examples of such potential ignition sources are hot surfaces with a temperature

exceeding 700°C and electric switching devices. (for R32)

• Only auxiliary devices approved by the appliance manufacturer or declared suitable with the

refrigerant shall be installed in connecting ductwork. (for R32)

Installation

• Do not use a defective or underrated circuit breaker. Use the correctly rated breaker and fuse.