3-9. Wiring Instructions for Inter-unit Connections
(1)Remove the 1 screw from the terminal cover, then open the cover. Be careful that the cover does not fall.
(2)Remove the 3 screws from the power box cover, then open the cover. Be careful that the cover does not fall.
(3)Use the screw to securely fasten the ground wire from the outdoor unit in place.
(4)Remove the transparent plastic cover from the 3P terminal plate.
(5)While viewing the wiring diagram, connect the
(6)Remount the transparent plastic cover onto the 3P terminal plate.
(7)Be sure to use the clamping strap to fasten the wires in place.
(8)Tighten the screws to remount the terminal and the power box cover.
Power wiring (Locally purchased)
Clamping strap
Earth screw
Inter unit (Conduit)
Fig. 8
WARNING
Loose wiring may cause the ter- minal to overheat or result in unit malfunction. A fire hazard may also exist. Therefore, be sure all wiring is tightly connected.
When connecting each power wire to the corresponding terminal, fol- low the instructions “How to connect wiring to the terminal” and fasten the wire securely tight with the fixing screw of the terminal plate.
How to connect wiring to the terminal
a) For Indoor Unit
(1)Cut the wire end with a cutting pliers, then strip the insulation to expose the wire about 9/32" (7 mm). See the label (Fig. 9) near the terminal plate.
(2)Using a screwdriver, loosen the terminal screw on the terminal plate.
(3)Insert the wire and tighten the terminal screw completely using a screwdriver.
b) For Outdoor Unit
For solid core wiring (or F-cable)
(1)Cut the wire end with a cutting pliers, then strip the insulation to expose the solid wire about 15/16" (25 mm). (Fig. 10)
(2)Using a screwdriver, remove the terminal screw(s) on the terminal plate.
(3)Using the pliers, bend the solid wire to form a loop suitable for the terminal screw.
(4)Shape the loop wire properly, place it on the terminal plate and fix it securely with the removed terminal screw using a screwdriver.
9/32"
STRIP (7 mm) (ACTUAL
SIZESIZE)
Fig. 9
mm) | Solid wire |
| |
Strip 15/16" (25 | Loop |
|
Insulation
Fig. 10
19
