Connection Cable Preparation; Connection Of Wiring; Decoration Panel Installation; Removing The Intake Grille - Hitachi R410A Manuel D'installation

Be sure to refer to the above diagram for do correct ¿ eld
wiring. Wrong wiring causes malfunction of the unit.
Check local electrical rules and also any speci¿ c wiring
instructions or limitation.

7.2. Connection cable preparation

Keep the ground wire longer than the other wires.
Ground wire
• Use a 4-core wire cable.

7.3. Connection of wiring

(1) Remove the control box cover and install each connec-
tion wire.
Screw
(2) After wiring is complete, secure the remote controller
cable, connection cable, and power cable with the cable
clamps.
Connection cable
(to OUTDOOR UNIT or
BRANCH BOX)
Wired remote controller cable
x Connect the connection cable to the terminal board.
x Connect the remote controller cable to the terminal board.
x Fix the remote controller cable to the control box cover with
a nylon clamp.
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CAUTION
Power supply cable
or connection cable
Control box cover
Wired remote controller cable
(3) Install control box cover.
Do not wire the remote controller cable together with or par-
allel to the connection cables, and power supply cables of
the INDOOR UNIT and OUTDOOR UNIT, BRANCH BOX. It may
cause erroneous operation.

8. DECORATION PANEL INSTALLATION

.
8.1. Remove the intake grille
(1) Slide the 2 grille hooks
Grille hook
(2) Open the intake grille and remove.
8.2. Install panel to unit
(1) Install the decoration panel on the indoor unit.
"DRAIN" mark
* Align the stamped marks on the decoration panel to the pipe and the
drain of the indoor unit.
Connection cable
Binder
(to OUTDOOR UNIT
or BRANCH BOX)
G
cable clamp
CAUTION
"PIPE" mark
9/10/2010 11:10:10 AM