Gree GMV-280WL/C-X User Manual

DC Inverter Multi VRF System
21
fixed in fixed wiring
Connect the unit to specialized grounding device and make sure it is securely grounded. It’s a
must to install air switch and current circuit breaker that can cut off the power of the entire system.
The circuit breaker should include magnetic trip function and thermal trip function so that system
can be protected from short circuit and overload.
（8） Grounding Requirements
1) Air conditioner belongs to class I electrical appliance, so it must be securely grounded.
2) The yellow-green wire inside the unit is a ground wire. Do not cut it off or secure it with
tapping screws, otherwise it will lead to electric shock.
3) Power supply must include secure grounding terminal. Do not connect the ground wire
to the following:
① Water pipe； ②Gas pipe； ③Drain pipe；
④Other places that are deemed as not secure by professional technicians.
4.5.2 Wiring Diagram
（1） Connection of power cord and communication wire
Separate power supply for IDU and ODU
Outdoor
unit
L1 L2
N
D1
D2
G1
G2
Power
Remote
monitor
Indoor
unit 1
L N
D1
D2
H1
H2
Power
Wired
controller
Indoor
unit 2
L N
D1
D2
H1
H2
Indoor
unit N
L N
D1
D2
H1
H2
Communication wire
between ODU and IDU
Indoor unit
communication wire
Power Power
Indoor unit
communication wire
Wired
controller
L3
PE
Wire(resistance-
matching)
Wired
controller
Fig.28 Connection of power cord and communication wire for IDU and ODU
（2） Selection of circuit breaker and power cord
Model
Power supply
Circuit
breaker
capacity
（A）
（mm
2
）Number of
ground wire * Min
sectional area (mm
2
)
（mm
2
）Number of
power cord * Min
sectional area (mm
2
)
GMV-H224WL/A-X
380-415V 3N~ 50/60HZ
20
1*2.5
4*2.5
GMV-H280WL/A-X
380-415V 3N~ 50/60HZ
25
1*2.5
4*2.5
GMV-H335WL/A-X
380-415V 3N~ 50/60HZ
25
1*2.5
4*2.5
GMV-224WL/C-X
380-415V 3N~ 50/60HZ
20
1*2.5
4*2.5
GMV-280WL/C-X
380-415V 3N~ 50/60HZ
25
1*2.5
4*2.5
GMV-335WL/C-X
380-415V 3N~ 50/60HZ
25
1*2.5
4*2.5
Note:
① Selection of circuit breaker and power cord in the above table is based upon unit’s maximum power
(maximum 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℃, e.g. power cable with YJV cross-linked copper,
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.

Gree GMV-280WL/C-X Specifications

General

Brand	Gree
Model	GMV-280WL/C-X
Category	Air Conditioner
Language	English