Ultra Heat GMV Multi VRF_Heat Recovery Serial
1
1 Safety Precautions
(1) This product can’t be installed at corrosive, inflammable or explosive environment or the place with special
requirements, such as kitchen. Otherwise, it will affect the normal operation or shorten the service life of the unit, or
even cause fire hazard or serious injury. As for above special places, please adopt special air conditioner with
anti-corrosive or anti-explosion function.
(2) Follow this instruction to complete the installation work. Please carefully read this manual before unit startup and
service.
(3) Wire size of power cord should be large enough. The damaged power cord and connection wire should be replaced
by exclusive cable.
(4) After connecting the power cord, please fix the electric box cover properly in order to avoid accident.
(5) Never fail to comply with the nitrigen charge requirements. Charge nitrogen when welding pipes.
(6) Never short-circiut or cancel the pressure switch to prevent unit damage.
(7) Please firstly connect the wired controller before energization, otherwise wired controller cannot be used.
(8) Before using the unit, please check if the piping and wiring are correct to avoid water leakage, refrigerant leakage,
electric shock, or fire etc.
(9) Do not insert fingers or objects into air outlet/inlet grille.
(10) Open the door and window and keep good ventilation in the room to avoid oxygen deficit when the gas/oil supplied
heating equipment is used.
(11) Never start up or shut off the air conditioner by means of directly plug or unplug the power cord.
(12) Turn off the unit after it runs at least five minutes; otherwise it will influence oil return of the compressor.
(13) Do not allow children operate this unit.
(14) Do not operate this unit with wet hands.
(15) Turn off the unit or cut off the power supply before cleaning the unit, otherwise electric shock or injury may happen.
(16) Never spray or flush water towards unit, otherwise malfunction or electric shock may happen.
(17) Do not expose the unit to the moist or corrosive circumstances.
(18) Under cooling mode, please don't set the room temperature too low and keep the temperature difference between
indoor and outdoor unit within 5ºC(41ºF).
(19) User is not allowed to repair the unit. Fault service may cause electric shock or fire accidents. Please contact Gree
appointed service center for help.
(20) Before installation, please check if the power supply is in accordance with the requirements specified on the
nameplate. And also take care of the power safety.
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