INSTALLATION MANUAL
9
ENGLISH
• Refer to the PDB about detail electric
characteristics.
• 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.
• When the connection line between the
indoor unit and outdoor unit is over 40 m,
connect the telecommunication line and
power line separately.
• Supply and communication cable of
appliances shall not be lighter than
polychloroprene sheathed. (code
designation 60245 IEC 57)
CAUTION
!
Be sure to correct the outdoor unit to earth.
Do not connect ground wire to any gas
pipe, liquid pipe, lightening rod or
telephone earth line. If earth is incomplete,
it may cause an electric shock.
1(L) 2(N) 3
Connected to outdoor
unit or B.D. unit.
• The feature may be changed according to
the type of model.
C
Compact Invert
Capacity
(kBtu/h)
Phase
(Ø)
ELCB(A)
Phase
(Ø)
ELCB(A)
Heat
Pump
Cooling
Only
Heat
Pump
Cooling
Only
18
1
15
-
3
-
-
24
1
20
-
3
-
-
30
1
20
-
3
-
-
36
1
25
-
3
-
-
Standard Invert (For Vietnam)
Capacity
(kBtu/h)
Phase
(Ø)
ELCB(A)
Phase
(Ø)
ELCB(A)
Heat
Pump
Cooling
Only
Heat
Pump
Cooling
Only
24
1
25
-
3
-
-
36
1
40
-
3
20
-
Perform the electrical wiring work according to
the electrical wiring connection.
- All wiring must comply with local requirements.
- Select a power source that is capable of
supplying the current required by the air
conditioner.
- Use a recognized ELCB(Electric Leakage Circuit
Breaker) between the power source and the
unit. A disconnection device to adequately
disconnect all supply lines must be fitted.
- Model of circuit breaker recommended by
authorized personnel only.
WARNING
!
Be sure to have authorized electrical
engineers do the electric work using special
circuits in accordance with regulations and
this installation manual.
If power supply circuit has a lack of capacity
or electric work deficiency, it may cause an
electric shock or fire.
ELECTRICAL WIRING
- Follow ordinance of your governmental
organization for technical standard related to
electrical equipment, wiring regulations and
guidance of each electric power company.
Outdoor
Indoor
Main
power source
Switch box
ELCB
C
Common (Standard Invert)
*24 : U24A
*36 : Ceiling Cassette <Type : Round>
Capacity
(kBtu/h)
Phase
(Ø)
ELCB(A)
Phase
(Ø)
ELCB(A)
Heat
Pump
Cooling
Only
Heat
Pump
Cooling
Only
18
1
20
20
3
-
-
24
1
30
25
3
-
-
*24
1
20
-
3
-
-
27
1
20
-
3
-
-
26, 28
1
-
20
3
-
-
30
1
30
30
3
-
20
36
1
40
30
3
-
20
*36
1
25
-
3
-
-
37
1
-
-
3
20
-
38
1
25
-
3
-
-
42~61
1
40
40
3
20
20
97
1
-
-
3
40
40
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