38 _ Ceiling Concealed Duct(Middle Static)
Indoor Units
• 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 suspension
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.
Tighten the nut and bolt to prevent unit falling.
1 Set anchor
Old building New building
2 Plate washer
3 Spring washer
4 Nut
5 Suspension
bolts
10.3 Connecting Cables between Indoor Unit and Outdoor Unit
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
Clamping of cables
1) Arrange 2 power cables on the control panel.
2) First, fasten the steel clamp with a screw to the inner boss of control panel.
3)
For the cooling model, fix the other side of the clamp with a screw strongly. For the heat pump model, put the 0.75mm
2
cable(thinner cable) on the clamp and tighten it with a plastic clamp to the other boss of the control panel.
• M1 Chassis
Terminal Block Indoor
L(L1) N(L2)
Terminal Block Indoor
34
INDOOR POWER INPUT
GN/YL
IDU IDU
Outdoor unit
Indoor unit
Central controller
SODU SODU
DRY1
DRY2
GND
INTERNET
12V
Outdoor
unit
Terminal Block Indoor
L(L1) N(L2)
Terminal Block Indoor
34
INDOOR POWER INPUT
Terminal Block Indoor
GN/YL
IDU IDU
Outdoor unit
Indoor unit
Central controller
SODU SODU
DRY1
DRY2
GND
INTERNET
12V
Outdoor
unit
Make sure that the screws of the terminal are not loose.
WARNING
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