8.3 Connecting the outdoor unit
Proceed as follows to connect the line:
1.
Remove the side-panel cover.
2.
Choose a cable-section according to the rele-
vant specifications.
3.
Connect the lines as shown on the electrical
connection diagram.
8.4 Electrical wiring diagram
Connection ML 263 DC-523 DC
A
L
N
PE
1
230V/1~/50 Hz
Fig. 43: Electrical wiring diagram
A: Outdoor unit ML 263 DC AT-523 DC AT
B: Indoor unit ML 263 DC IT-523 DC IT
L(1)
1
2(N) S
PE
2
4.
Fix the line in the strain relief and re-
assemble the unit.
Fig. 42: Connecting the outdoor unit
B
L(1)
1: Power supply
2: Communication line
1
2(N) S
PE
35