Recommended Wire Length And Diameter - Sanyo SAP-CRV93EHN Technical & Service Manual

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7-2. Recommended Wire Length and Diameter

Regulations on wiring diameter differ from locality to locality. For field wiring requirements, please refer to your
local electrical codes. Carefully observe these regulations when carrying out the installation.
Table 2 lists recommended wire lengths and diameters for power supply systems.
NOTE
Refer to the wiring system diagram (Fig. 6) for the meaning of "A", "B" and "C" in Table 2.
Table 2
Cross-Sectional
2
Area (mm )
Model
CRV93
CRV123
WARNING
WARNING
To avoid the risk of electrical shock, each air
conditioner unit must be grounded.
For the installation of a grounding device,
please observe local electrical codes.
Grounding is necessary, especially for units
using inverter circuits, in order to release
charged electricity and electrical noise caused
by high tension. Otherwise, electrical shock
may occur.
Place a dedicated ground more than 2 meters
away from other grounds and do not have it
shared with other electric appliances.
Be sure to connect the power
CAUTION
supply line to the indoor unit
as shown in the wiring dia-
gram. The outdoor unit draws
its power from the indoor unit.
(A)+(B) (A) Power Supply Wiring Length (m)
(B) Power Line Length (m)
2
40
40
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.
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(C) Control
Line Length (m)
3.5
70
70
WIRING SYSTEM DIAGRAM
INDOOR UNIT
TERMINAL
1
2
GROUNDING LINE
4
L
N
Power supply:
Single-phase 220 – 240VAC 50Hz
28
Fuse or Circuit
Breaker Capacity
2
20
10A
20
OUTDOOR UNIT
TERMINAL
(B)
1
2
4
(C)
(A)
Fig. 6