Gree GMV-ND24A/A-T, Owner'S Manual, Page: 10 / 22

GMV DC Inverter VRF
7
3.3.2 Select communication line for indoor unit and outdoor unit
Fig 3.3.2
Wire type
Total length of
communication wire
between indoor unit and
indoor unit(outdoor unit)
(m/feet)
Wire diameter
(AWG)
Wire standard Remark
(communication
line for indoor
unit)
Light/Ordinary
polyvinyl chloride
sheathed cord.
(UL60335-2011)
L
≤
1000(3280)
≥2×18
UL60335-2011
1. If the wire diameter is
enlarged to 18AWG, the
total communication cable
length can reach 1500m
(4920 feet).
2. The cord shall be Circular
cord (the cores shall be
twisted together).
3. If unit is installed in places
with intense magnetic field
or strong interference, it is
necessary to use shielded
wire.
(communication
line for outdoor
unit)
Light/Ordinary
polyvinyl chloride
sheathed cord.
(UL60335-2011)
L
≤
1000(3280)
≥2×18
UL60335-2011
3.4 Wiring Requirements
(1) Power Cord Size and Air Switch Capacity
Model Power Cord Size
Air Switch
apacity
(A)
Minimum
Sectional Area of
Ground
Wire(AWG)
Minimum Sectional
Area of Power
Cord (AWG)
GMV-ND24A/A-T(U)
208/230V-1Ph-60HZ
15 18 18
GMV-ND30A/A-T(U)
15 18 18
GMV-ND36A/A-T(U)
15 18 18
GMV-ND42A/A-T(U) 15 18 18
GMV-ND48A/A-T(U) 15 18 18
GMV-ND54A/A-T(U)
15 18 18