GMV DC Inverter VRF
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Total amount of refrigerant (kg) in the system ≤The maximum amount of refrigerant (kg) in the
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.
① Flow direction of refrigerant leakage.
② Room for refrigerant leakage. 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.
4.6 Electric Wiring
4.6.1 Wiring precautions
(1) Wiring should conform to national rules. All the parts, materials, electric work should be in accordance with
local codes.
(2) Rated voltage and exclusive power supply should be used.
(3) Power cord should be fixed soundly and reliable. Never forcibly pull the power cord.
(4) Wire size of power cord should be large enough. The damaged power cord and connecting wire should be
replaced by exclusive cable.
(5) All the electrical work should be performed by professional personnel as per local law, regulation and this
manual.
(6) Connect the unit to the special earthing device and make sure the unit is earthed soundly.
(7) Air switch and circuit breaker is required to be set. Air switch should have both magnetic trip and thermal trip
functions so as to protect the unit when short-circuit and overload happens. D-type breaker is adviced to be
used.
(8) Wiring diagram attached on the unit is prevailed.
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