Haier AC142ACNAC Service Manual page 27

ELECTRICAL REQUIREMENT
Electric wire size and fuse capacity:
Table 5
Series
Connection MAX 3.5
cord
MIN 2.5
2
(mm )
Fuse capacity(A)
20
ELECTRICAL WIRING
CAUTION
(1) Match the terminal block numbers and connection
cord colors with those of the outdoor unit.
Erroneous wiring may cause burning of the electric
parts.
(2) Connect the connection cords firmly to the terminal
block. Imperfect installation may cause a fire.
(3) Always fasten the outside covering of the connection
cord with the cord clamp.(If the insulator is chafed,
electric leakage may occur.)
(4) Always connect the ground wire.
1. INDOOR UNIT SIDE
(1) Remove the electric component box.
Fig. 30
INDOOR UNIT SIDE
Fig. 31
Electric component box
Remove the four tapping
screws.
CAUTION
Do not remove the screws. If the screws
are removed, the electric component
box will fall.
14,18 24,28 36,42
3.5 3.5 3.5
2.5 2.5 2.0
30 30 30
Electric component box
INSTALLATION INSTRUCTIONS
(2) Pull out the electric component box.
Fig. 32
(3) Remove the electric component box cover.
Fig. 33
Base
Remove the three tapping screws.
CAUTION
Be careful not to pinch the lead wires
between the electric component box
and base.
(4) Wiring
(1) Remove the cord clamp.
(2) Process the end of the connection cords to the
dimensions shown in Fig.34.
(3) Connect the end of the connection cord fully into the
terminal block.
Indoor unit
Fig. 34
1 2 3 4 5 L N
H07RN-F
H05RN-F
2 2 2.0mm
4G0.75mm
5 4 3 2 1
Outdoor unit
Heat model
For series 14,18
(4) Fasten the connection cord with a cord clamp.
(5) Fasten the end of the connection cord with the screw.
(6) For series 24,28,36,42,the power cable and connecting
are self-provided.
Indoor
1 2 3
unit
Outdoor
Outdoor
3 2 1
unit
unit
For series 14,28
Electric component box
Electric component box cover
Indoor unit
1 2 3 4 5 L N
H07RN-F
3G 2.0mm
2
5 4 3 2 1
Outdoor unit
Cool model
For series 14,18
Indoor
1 2 3
unit
Outdoor
R S T N 1 2 3
unit
For series 36,42
2