Installation Manual

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Knockout hole (To UNIT C)
Knockout hole (To UNIT B)
Knockout hole
(To Branch box (Secondary1))
Knockout hole
(To Branch box (Secondary2))
(3) Refer to the drawing for cable connection.
[Primary unit]
Conduit (fi eld supply (if required by regulation)) Conduit (fi eld supply (if required by regulation))
Power supply cable
Connection cable
(UNIT C)
Connection cable
(UNIT B)
Connection cable
(UNIT A)
Connection cable
(from Outdoor unit)
Connection cable
(to Branch box (Secondary1))
Connection cable
(to Branch box (Secondary2))
Optional terminal
[Secondary unit]
Conduit (fi eld supply (if required by regulation))
Conduit (fi eld supply (if required by regulation))
Power supply cable
Connection cable
(UNIT C)
Connection cable
(UNIT B)
Connection cable
(UNIT A)
Connection cable
(from Outdoor unit)
Optional terminal
Binder
(Accessories)
Optional terminal
(4) Install the Control box cover.
• When connecting a cable to the
optional terminal, secure the cable
with the binder (Accessories). Seal
the hole that passes the cable with
putty so that there is no space.
Optional cable
Putty
CAUTION
Do not bundle the remote controller cable, or wire the remote controller
cable in parallel, with the connection cable and the power supply cable. It
may cause erroneous operation.
6.3.3. Work procedure
Screw
Control box cover
(1) Remove the control box cover and install all the wiring.
(Same for primary and secondary units)
(2) When connecting to indoor units B or C,
remove the matching knockout holes in Fig. A.
When connecting to more than 1 branch box,
remove the appropriate knockout holes in Fig. B. (Primary unit only)
Fig. B (Primary unit only)
Fig. A
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