Multi Variable Air Conditioners Fresh Air Series Indoor Unit
6
(1) Install the unit at a place where is adequate to withstand the weight of the unit and make sure the unit would
not shake or fall off.
(2) Never expose the unit under direct sunshine and rainfall. Install the unit at a place where is against dust,
typhoon and earthquake.
(3) Try to keep the unit away from combustible, inflammable and corrosive gas or exhaust gas.
(4) Leave some space for heat exchanging and servicing so as to guarantee unit normal operation.
(5) Keep the indoor and outdoor units close to each other as much as possible so as to decrease the pipe
length and bends.
(6) Never allow children to approach to the unit and take measures to prevent children touching the unit.
3.3 Requirements for Communication Line
NOTICE!
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 IDU unit and
wired controller
L m(ft.)
Wire size
Remarks
Light/Ordinary
polyvinyl chloride
sheathed cord.
L
≤
250(820-1/5)
2×AWG18~
2×AWG16
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.
Summary of Contents for GMV-NDX42P/A-T
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