Gree GMV-12WP/A-T, Owner'S Manual, Page: 6 / 35

DC Inverter Multi VRF System
2
Any personal injury or property loss caused by improper installation, improper debug, and
unnecessary repair or not following the instructions of this manual should not be the responsibility of
Gree Electric Appliances, Inc. of Zhuhai.
2 Product Introduction
GMV MTAC is a kind of concealed VRF unit, which adopts front side air discharge and air return.
It’s mainly developed for North American market, which is applicable for apartments, offices, hotels
and other areas. The unit adopts deep subcooling technology for ensuring the quiet cooling operation.
Moreover, the unique drainage control technology has solved the problem of water drainage of
outdoor unit under low-temperature environment.
2.1 Names of Main Parts
Fig.1
No.
① ② ③ ④ ⑤ ⑥
Name Fan blade Motor
Electric box
assembly
Liquid pipe
valve
Gas pipe
valve
Drain pipe
2.2 Combinations of Indoor and Outdoor Units
(1) See below the number of indoor units that can be connected to the outdoor unit.
(2) The total capacity of indoor units should be within 50%~135% of that of the outdoor unit.
Model Min sets of connectable IDUs Max sets of connectable IDUs
GMV-12WP/A-T(U) 1 2
(3) Can be connected to various indoor units. When any one of the indoor units receives
operating command, outdoor unit will start operation as per required capacity. When all
indoor units stop, outdoor unit will be shut off.
(26) Volatile liquid, such as diluent or gasoline, will damage the appearance of air conditioner. Only soft dry cloth and
wet cloth dipped with neutral detergent can be used to clean the outer case of air conditioner.
(27) If there are any abnormal circumstances (such as burning smell, etc.), please turn off the unit and cut off the main
power supply immediately, and then contact Gree appointed service center. If those abnormal circumstances still
exit, the unit may be damaged and it may lead to electric shock or fire hazard.
(28) Under the standby status, the air conditioner will consume a little power for ensuring reliability of complete air
conditioner, maintaining normal communication and preheating refrigerant. When the unit won’t be used for a
long time, cut off the power of the complete air conditioner. However, please preheat it when operating the unit
next time.