Sanyo CHDZ09053 - Manual (Page 37)

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Design of W-3WAY ECO-i SYSTEM Unit Specifi cations
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2
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3. Electrical Wiring
(5) Use shielded wires for inter-unit control wiring (c)
and ground the shield on both sides, otherwise
misoperation from noise may occur.(Fig. 3-4)
Connect wiring as shown in Section 3-3. “Wiring
System Diagrams.”
Loose wiring may cause
the terminal to overheat or
result in unit malfunction.
A fi re hazard may also exist.
Therefore, ensure that all
wiring is tightly connected.
When connecting each power wire to the terminal, follow the
instructions on “How to connect wiring to the terminal” and
fasten the wire securely with the fi xing screw of the terminal
plate.
How to connect wiring to the terminal
For stranded wiring
(1) Cut the wire end with cutting pliers, then strip the insulation
to expose the stranded wiring about 3/8 in and tightly twist
the wire ends.(Fig. 3-5)
(2) Using a Phillips head screwdriver, remove the terminal
screw(s) on the terminal plate.
(3) Using a ring connector fastener or pliers, securely clamp
each stripped wire end with a ring pressure terminal.
(4) Place the ring pressure terminal, and replace and tighten
the removed terminal screw using a screwdriver.
(Fig. 3-6)
WARNING
Shielded wire
Ground Ground
Shielded wire
Ground Ground
Stranded wire
X, A, U, D, T, K Types
XM Type
Ring
pressure
terminal
Str
ip 3/8 in
Wire
Special
washer
Screw
Ring pressure
terminal
Terminal plate
Screw and
Special washer
Ring
pressure
terminal
Wire
Fig. 3-4
Fig. 3-5
Fig. 3-6