Sanyo SAP-K18AM Instruction Manual page 28

9. INSTALL INDOOR UNIT
9.4.2 Wire Length and Diameter
Regulations on wiring diameter differ from locality. For field wiring requirements, please refer to
local electrical codes. Carefully observe these regulations when carrrying out the installation.
Table 1 lists the recommended and max. allowable wire lengths and diameters for the power
supply system. Please refer to the wiring system diagram (Fig.18 &19) for the meaning of "A", "B"
and "C" in Table 1.
Table 1
Cross-sectional
area (mm
Model
KC18AM
KC18AGH
*(A) Power supply wiring length (m) ; *(B) Power line length (m) ; *(C) Control line length (m)
CAUTION
• Be sure to connect the power supply line
to the indoor unit as shown in the wiring
diagram. The outdoor unit draws its power
from the indoor unit.
WARNING
• Be sure to comply with local codes on
running the wire from the indoor unit to
the outdoor unit (size of wire and wiring
method, etc.).
• Each wire must be firmly connected.
• No wire should be allowed to touch
refrigerant tubing, the compressor, or
any moving part.
WARNING
To avoid the risk of electric shock, each
air conditioner unit must be grounded.
Installation Service
Recommended
2 )
*(A)
2.5 x (3) 2.5 x (4)
1.8m 5.0m
1.8m 5.0m
Max. allowed
(A) + (B)
0.75 x (2) 2.5
N.A
32m
5.0m
32m
WIRING SYSTEM DIAGRAM
OUTDOOR
UNIT
Terminal
Blue
N(1)
Black
2
Brown
3
Yellow-Green
(Grounding Line)
Power Supply
Single Phase
220-240VAC 50HZ
Fig. 18 (Cooling Model)
OUTDOOR
UNIT
Yellow-Green
(Grounding Line)
Blue
N
Black
2
Brown
3
Violet
4
Orange
5
Terminal
Power Supply
Single Phase
220-240VAC 50HZ
Fig. 19 (Heat Pump Model)
Fuse or circuit
*(C)
breaker capacity
0.75 1.0
20A
20m
N.A
32m 20A
20m
INDOOR
UNIT
(B)
Terminal
(A)
L
N
Grounding Line
INDOOR
(B)
UNIT
(C)
Terminal
(A)
L
N
Grounding Line
N(1)
2
3
L
N
P.C.B
N
2
3
4
5
L
N
P.C.B
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