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Ceiling cassette 4-way
CAUTION
Install certainly the decoration panel.
Cool air leakage causes sweating.
➔ Water drops fall.
3.2.8 Electric wiring work
1) General instructions
Air conditioner
unit
Decoration panel
Fit the insulation (this part) and
be careful for cool air leakage
Air
False
ceiling
Air conditioner unit
Cool air leakage(no good)
False
ceiling
Decoration panel
① All field supplied parts and materials, electric works must
conform to local codes.
Use copper wire only.
② Follow the "WIRING DIAGRAM” attached to the unit
body to wire the outdoor unit, indoor units and the remote
controller.
③ All wiring must be performed by an authorized electrician.
④ This system consists of multiple indoor units. Mark each
indoor unit as unit A, unit B..., and be sure the terminal
board wiring to the outdoor unit and indoor units are
properly matched. If wiring and piping between the outdoor
unit and an indoor units are mismatched, the system
may cause a malfunction.
⑤ A circuit breaker capable of shutting down the power
supply to the entire system must be installed.
5CSL0-06B
2) Wiring Connection
① Open the control box cover and connect the Remote
controller cord and Indoor power wires.
Indoor
power cable
Remote
controller
cable
Control Box Cover Control box
cover screw
Indoor
power
cord
Terminal block in indoor
[Air inlet side view]
1(L) 2(N) 3 4
Connected to outdoor Unit
Remote
control
cord
② Make sure to attach the sealing material (field supplied)
to hole of wiring to prevent the infiltration of foreign particle
from outside. Otherwise a short-circuit may occur
inside the electric parts box
328 Installation of indoor unit