Knock Out Holes For Wiring; Wiring Method - Fujitsu AOYG72LRLA Installation Manual

6.3. Knock out holes for wiring

Be careful not to deform or scratch the panel while opening the knockout holes.
After opening the knockout holes, remove burr on the edges, and attach the grommet
edging (accessory) or conduit etc. to prevent damaging the cables.
It is recommended to apply rust proof paint on the edges to prevent rust.
Knockout holes are provided in front and lateral sides for wiring.
Ø50
Ø34.5
Ø22.2
Length of the grommet edging
L
Knockout hole Dimension L
diameter (mm) (mm)
Ø 50 147
Ø 34.5 100
Ø 22.2 60

6.4. Wiring method

6.4.1. Connection diagrams
EARTH
L1
L2
L3
N
1
2
3
EARTH
Outdoor unit
side terminal
* Connect the blue wire to the "N" terminal.
6.4.2. Connection cable preparation
• Keep the earth wire longer than the other wires.
30 mm
Earth wire
En-11
CAUTION
Ø50
Ø34.5
Ø22.2
Mounting the grommet edging
Knockout hole
Grommet edging
(accessories)
POWER SUPPLY
(R)(S)(T)(N)
Blue*
1
2
3
EARTH
Indoor unit
side terminal
Power supply cable or
Connection cable
35 mm
6.4.3. Wiring procedure
(1) Remove the service panel, the terminal cover and connect the wires to the terminal
in accordance with the terminal nameplate. (Fig. A, Fig. B)
(2) Secure the cables using the cable clamps under the terminal blocks. (Fig. B)
• Connect the wires without applying excessive tension.
(3) Secure the cables using the cable ties at the base of the valves. (Fig. A)
Fig. A
Unit: mm
Cable tie
Fig. B
Power supply cable
* Connect the blue wire to the "N" terminal.
(4) Be sure to install the terminal cover after the wiring is complete.
Push mount
cable tie
Power supply
(accessory)
cable
Connection cable
Terminal nameplate
L1 L2 L3 N 1 2 3
POWER INDOOR UNIT
Terminal blocks
Terminal blocks
Blue*
Connection cable
(indoor unit and
outdoor unit con-
nection cable)