Installation
• Select and mark the position for fixing bolts.
• Drill the hole for set anchor on the face of ceil-
ing.
• Insert the set anchor and washer onto the sus-
pension bolts for locking the suspension bolts
on the ceiling.
• Mount the suspension bolts to the set anchor
firmly.
• Secure the installation plates onto the suspen-
sion bolts (adjust level roughly) using nuts,
washers and spring washers.
1 Set anchor
Plate washer
Spring washer
Nut
Suspension
bolts
Old building
New building
2
3
4
5
Connect the wires to the terminals on the control board individually according to the outdoor unit con-
nection.
• 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 Indoor
1(L)
2(N)
3
4
INDOOR POWER INPUT
IDU IDU
Outdoor unit Indoor unit
Central controller
SODU SODU
DRY1 DRY2 GND
INTERNET
12V
Outdoor unit
Wiring Connection
Indoor Unit Installation
B3/B4 Series
WARNING : Make sure that the screws of the terminal are free from looseness.
CAUTION : The Power cord connected to the unit should be selected according
to the following specifications.
CAUTION : Tighten the nut and bolt to
prevent unit falling.
ENGLISH
Installation Manual
9
