10
Indoor Unit
10
Indoor Unit
Installation
• Select and mark the position for fixing bolts.
• Drill the hole for set anchor on the face of ceiling.
• Insert the set anchor and washer onto the suspen-
sion bolts for locking the suspension bolts on the
ceiling.
• Mount the suspension bolts to the set anchor firmly.
• Secure the installation plates onto the suspension
bolts (adjust level roughly) using nuts, washers
and spring washers.
1 Set anchor
Old building
New building
2 Plate washer
3 Spring washer
4 Nut
5 Suspension
bolts
Connect the wires to the terminals on the control board individually according to the outdoor unit connection.
• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively.
INDOOR POWER INPUT
INDOOR POWER INPUT
Wired
remote controller
IDU IDU
Outdoor unit Indoor unit
Central controller
SODU SODU
DRY1 DRY2 GND
INTERNET
12V
Outdoor unit
Terminal Block Indoor
Terminal Block Indoor
L(L1) N(L2)
YL RD BK A
B
Wiring Connection
Indoor Unit Installation
CAUTION : Tighten the nut and bolt
to prevent unit falling.
WARNING : Make sure that the screws of the terminal are free from looseness.
B3/B4 Series
WARNING : Loose wiring may cause the terminal to overheat or result in unit
malfunction.
A fire hazzard may also exist.
Therefore, be sure all wiring is tightly connected.
Connection method of the connecting cable(Example)
Lock nut
Conduit
L(L1) N(L2)
Power Supply
High Voltage
(208/230V)
Transmission
Wired remote
controller
YL
RD
BK
A
B
