07-007 W-2WAY_II_NA 1/23/07 6:09 PM Page 62

(5)Use shielded wires for inter-unit control wiring (c) and ground the shield on both sides, otherwise misoperation from noise may occur. (Fig. 5-4) Connect wiring as shown in Section “5-3. Wiring System Diagram.”

Loose wiring may cause the WARNING terminal to overheat or result

in unit malfunction. A fire 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 fixing 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. 5-5)

(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. 5-6)

Shielded wire

GroundGround

Fig. 5-4

 

Stranded wire

/8 in.

Ring

3

pressure

trip

terminal

S

 

 

Fig. 5-5

 

Special

Screw

 

washer

 

 

Ring pressure

Screw and

 

terminal

 

 

Special washer

Wire

Terminal plate

 

 

Ring

 

 

 

 

pressure

 

 

terminal

 

Wire

 

Fig. 5-6

62

Page 62
Image 62
Sanyo 85464359982001 How to connect wiring to the terminal For stranded wiring, Shielded wire GroundGround