Multi Variable Air Conditioners Compact Cassette Type Indoor Unit
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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 nitrogen charge requirements. Charge nitrogen when welding
pipes.
(6) Never conditioners short-circuit 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 5°C(41°F).
(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.
(21) Installation should be conducted by dealer or qualified personnel. Please do not attempt to
install the unit by yourself. Improper handling may result in water leakage, electric shock or fire
disaster etc..
(22) The control box should be installed inside.
(23) Be sure to use the exclusive accessory and part to prevent the water leakage, electric shock
and fire accidents.
(24) Make sure the unit can be earthed properly and soundly after plugging into the socket so as to
avoid electric shock. Please do not connect the ground wire to gas pipe, water pipe, lightning
rod or telephone line.
(25) Electrify the unit 8 hours before operation. Please switch on for 8 hours before operation. Do
not cut off the power when 24 hours short-time halting (to protect the compressor).
(26) If refrigerant leakage happens during installation, please ventilate immediately. Poisonous gas
will emerge if the refrigerant gas meets fire.
(27) Volatile liquid, such as diluent or gas will damage the unit appearance. Only use soft cloth with
a little neutral detergent to clean the outer casing of unit.
(28) If anything abnormal happens (such as burning smell), please power off the unit and cut off the
main power supply, and then immediately contact Gree appointed service center. If
abnormality keeps going, the unit might be damaged and lead to electric shock or fire.
