Multi Variable Air Conditioners Duct Type Indoor Unit
17
(5) Select the appropriate installation way based on actual construction and maintenance needs,
as shown in Fig 4.24
Fig 4.24
4.4.4 Installation of Fresh Air Duct
(1) If a fresh air duct is needed, remove the fresh air baffle as shown in Fig 4.25. If a fresh air
duct is not needed, block the gap on the baffle with sponge.
(2) Install circular flange so that fresh air duct can be easily connected, as shown in Fig 4.26.
(3) Both air duct and circular flange need to be well-sealed and insulated.
(4) Fresh air should be the air that has been filtered.
Fig 4.25 Fig 4.26
4.5 Installation of Wired Controller
Please refer to User Manual of Wired Controller for the installation details.
NOTICE:
When installation is finished, the unit must be tested and debugged before operation. Please refer
to Instruction Manual of ODU for auto addressing and debugging details.
5 Wire Connection
WARNING!
Before obtaining access to terminals, all supply circuits must be disconnected.
(1) For personal safety, the air conditioner must be properly grounded.
(2) Read carefully the voltage indicated on the nameplate before connecting wires. Then connect
wires according to the wiring diagram. Improper wiring will lead to abnormal operation or
damage the unit.
(3) Power capacity should be large enough. Sectional area of room wires should be above
2.5mm
2
.
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