Multi Variable Air Conditioners Floor and Ceiling Type Indoor Unit
5
Notes:
①
Installation of the unit must be in accordance with National Electric Codes and local regulations.
②
Improper installation will affect unit’s performance, so do not install the unit by yourself. Please contact
local dealer to arrange professional technicians for the installation.
③
Do not connect power until all installation work is finished.
3.3 Requirements for Communication Line
Notes:
If the unit is installed in the place with strong electromagnetic interference, shielded wire must be
applied on the communication wire between indoor unit and wired controller. Twisted pair line with
shielding function must be applied on the communication wire between indoor unit and indoor unit
(outdoor unit).
3.3.1 Select communication line for indoor unit and wired controller
Fig 3.3.1
Material type
Total length of
communication line
between indoor unit and
wired controller L (m/feet)
Wire size
(mm
2
/AWG)
Material
Standard
Remarks
Light/Ordinary
polyvinyl chloride
sheathed cord.
(60227 IEC 52
/60227 IEC 53)
L
≤
250m
(L
≤
820-1/5feet)
2×0.75~2×1
.25
(2×AWG18~
2×AWG16)
IEC
60227-5:
2007
1.Total length of communication line can't
exceed 250m (820-1/5feet).
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.
3.3.2 Select communication line for indoor unit and outdoor unit
Fig 3.3.2
Material Type
Total Length L (m/feet)
of Communication
Cable between Indoor
Unit and Indoor
(Outdoor) Unit
Wire size
(mm
2
/AWG)
Material
Standard
Remarks
Light/Ordinary
polyvinyl chloride
sheathed cord. (60227
IEC 52
/60227 IEC 53)
L
≤
1000m
(L
≤
3280-5/6feet)
≥
2×0.75
(
≥
2×AWG18)
IEC
60227-5:2007
1. If the wire diameter is enlarged to
2×1 mm
2
(2×AWG16), the total
communication line length can
reach 1500 m (4921-1/4feet).
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.
Copyright 2018. This translation is property of GREE PRODUCTS SL. All rights reserved. Total or partial reproduction without its express authorization is prohibited.
