GMV DC Inverter VRF 
45 
Model 
Combination 
method 
Power supply
Capacity of 
of each 
combination 
Minimum cross-sectional 
area of grounding wire 
(mm
2
) 
Recommended 
wire 
(cross-sectional 
area) (mm
2
) 
GMV-2180WM/H-X
335+615+615+615 
380-
50/60Hz   
25+50+50+50
4.0+10.0+10.0+10.0 
4.0×5+10.0×
5+10.0×5+10.0×5 
GMV-2245WM/H-X
400+615+615+615 
380-
50/60Hz   
40+50+50+50
6.0+10.0+10.0+10.0 
6.0×5+10.0×
5+10.0×5+10.0×5 
GMV-2295WM/H-X
450+615+615+615 
380-
50/60Hz   
40+50+50+50
6.0+10.0+10.0+10.0 
6.0×5+10.0×
5+10.0×5+10.0×5 
GMV-2349WM/H-X
504+615+615+615 
380-
50/60Hz   
50+50+50+50
10.0+10.0+10.0+10.0 
10.0×5+10.0×
5+10.0×5+10.0×5 
GMV-2405WM/H-X
560+615+615+615 
380-
50/60Hz   
50+50+50+50
10.0+10.0+10.0+10.0 
10.0×5+10.0×
5+10.0×5+10.0×5 
GMV-2460WM/H-X
615+615+615+615 
380-415V 
50/60Hz   
50+50+50+50
10.0+10.0+10.0+10.0 
10.0×5+10.0×
5+10.0×5+10.0×5 
  NOTES! 
① Specification of circuit breaker and power cord is selected on the basis of unit's maximum 
power (max. current). 
② Specification of power cord is based on the working condition where ambient temperature is 
40
℃
  and multi-core copper cable (working temperature is 90
℃
) is lying on the surface of slot 
(IEC 60245). If working condition changes, please adjust the specification according to 
standard IEC 60245. Power cord used for outdoor unit should not be below standard 60245 
IEC57. 
③ Copper-core cable must be used. 
④ The engineering wiring should meet the requirements of IEC 60364-5-52 to ensure that the line 
voltage drop meets the requirements and the voltage is not lower than the lower limit of the 
nominal value of equipment. 
⑤ Specification of circuit breaker is based on the working condition where the ambient 
temperature of circuit breaker is 40
℃
. If working condition is different, please adjust the 
specification according to national standard. 
⑥ The circuit breaker should include magnetic trip function and thermal trip function so that 
system can be protected from short circuit and overload. 
⑦ An all-pole disconnection switch having a contact separation of at least 3mm in all poles should 
be connected in fixed wiring. 
3.8.3 Power Cord Connection   
3.8.3.1 Power Cord Installation Procedures   
Step 1: Pass the external power cord through the wire-passing rubber gasket of the chassis seal 
board, and connect the power cord's “L1, L2, L3, N,  ” and ground wire to the power wiring board