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3-8. Wiring Instructions for Inter-unit Connections
(1) Insert the inter-unit wiring (according to local codes)
into the through-the-wall PVC pipe. Run the wiring
toward the indoor side allowing approx. 10" (25 cm)
to extend from the wall face. (Fig. 24)
(2) Grasp both ends of the front panel, push the arms
towards the outside, and remove the front panel by
opening it towards the front and pulling it towards
you. If the front panel is difficult to remove, grasp
both ends of it and lift it up slightly. Move it to the left
and disengage the left arm, then move it to the right
and disengage the right arm.
(3) Remove the screw on the right side cover plate and
open the cover. (Fig. 25)
(4) Route the inter-unit wiring from the back of the
indoor unit and pull it toward the front for connec-
tion. (Fig. 26a, 26b)
(5) Connect the inter-unit wiring to the corresponding
terminals on the terminal plate (Fig. 26a, 26b) while
referring to the wiring diagram.
(6) Be sure to secure the wiring with the provided
clamp.
When closing the front panel, push the central part of
the front panel first and then press the bottom right and
left corners in place until you feel a click. (Fig. 27)
Please refer to “How to replace the grille” on page 14 for
installing the air intake grille.
NOTE
Rear
panel
Wiring
Wall
10"
(25 cm)
Plastic
cover
Fig. 24
Cover
Fig. 25
Terminal plate
Fig. 26a
Earth plate
Lock nut
Inter-unit
wiring
Top of conduit
connector
Fig. 26b
Fig. 27
10-018 C3082-3682 2/15/10 11:50 AM Page 17