6
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Examples of Incorrect Wiring
The following are examples of improper wiring that result in system misoperation. You should confirm that you
have wired the units correctly before beginning the test run. (Refer to Fig. 3-1.)
Problem 1
•
Compressor will start.
Only outdoor unit will operate.
Problem 2
•
Air conditioner will not operate.
Problem 3
•
Compressor will not start; only indoor unit will operate.
English
CAUTION
!
1
2
4
(A)
4
5
6
2
4
5
1
8
2
1
Grounding line
or
or
Indoor unit
Outdoor unit
1
2
4
(B)
4
5
6
8
2
1
2
4
5
1
Grounding line
or
or
Indoor unit
Outdoor unit
1
2
4
(C)
4
5
6
8
2
1
2
4
5
1
Indoor unit
Outdoor unit
Grounding line
or
or
1
2
4
(D)
4
5
6
8
2
1
2
4
5
1
Indoor unit
Outdoor unit
Grounding line
or
or
1
2
4
(E)
4
5
6
8
2
1
2
4
5
1
Indoor unit
Outdoor unit
Grounding line
or
or
