Electrical Installation - Gree GMV-224WM/G-U Owner's Manual

system
(3) When the total amount of refrigerant in the system is more than the maximum amount of
refrigerant, the cooling system should be designed again. In this case, the cooling system
can also be separated into several cooling systems with small capacity, or add
corresponding ventilation measures or alarming display.
Since the concentration of refrigerant is greater than that of air, pay attention to the spaces where
the refrigerant may residue, for example, the basement.

3.8 Electrical Installation

3.8.1 Notices for Electrical Installation
(1) All electrical installations must be performed by professionally qualified electricians in
accordance with local laws, regulations and corresponding instructions. All parts, materials
and electrical operations provided must comply with local regulations.
(2) The special power supply for air conditioning unit must be used, and the power supply
specifications must be consistent with the rated power supply of the unit.
(3) The power cord must be reliably secured. It is forbidden to pull the power cord forcibly to
prevent the wiring terminal from being stressed; if the length of power cord is insufficient or
the power cord is damaged, it is forbidden to connect two power cords together. Please
apply a new power cord that meets the local regulations.
(4) The unit must be equipped with the circuit breaker and the electric leakage protection device.
The circuit breaker should have both magnetic tripping and thermal tripping functions.
(5) It is forbidden to take power from the inside of the unit, which may cause fire hazard.
(6) When wiring on site, please also refer to the circuit diagram attached on the unit. Before all
electrical installations are completed, it is forbidden to put through the power supply (circuit
breaker and electric leakage protection device on the circuit).
Fig.3.7.4
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GMV DC Inverter VRF