22 _ Ceiling Cassette 1-Way
Indoor Units
Set screw of
paper model (4 pieces)
Paper model
for installation
Ceiling board
70mm
Adjust the same height
Ceiling board
Ceiling
Flat washer for M10
(accessory)
Keep the length of the bolt
from the bracket to 40mm
Open the ceiling board
along the outer edge of the
paper model
Flat washer for M10
(accessory)
Hanging bolt
(W3/8 or M10)
Nut
(W3/8 or M10)
Nut
(W3/8 or M10)
Spring washer
(M10)
Air conditioner body
• The following parts are local purchasing.
① Hanging bolt - W 3/8 or M10
② Nut - W 3/8 or M10
③ Spring washer - M10
④ Plate washer - M10
• Tighten the nut and bolt to prevent the unit
from falling.
10.3 Wiring Connection
•
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.
Terminal block of indoor unit
Terminal block of outdoor unit
1(L) 2(N) 3 4
Indoor power input
Terminal block of indoor unit
1(L) 2(N) 3 4
Indoor power input
IDU IDU
Outdoor unit
Indoor unit
Central controller
SODU
SODU B SODU A
IDU B IDU A INT B INT A
SODU
DRY1
DRY2
GND
INTERNET
12V
Terminal block of indoor unit
1(L) 2(N) 3 4
Indoor power input
[Type 2]
Terminal block of outdoor unit
IDU IDU
Outdoor unit
Indoor unit
Central controller
SODU SODU
DRY2GND12V
DRY1
CEN
CEN
[Type 3]
[Type 1]
[Indoor Unit side]
[Outdoor Unit side]
Make sure that the screws of the terminal are not loose.
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