Hitachi RPK-0.8FSNH2M - Page 17

ELECTRICAL WIRING
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11
 RPK-(0.8-1.5) HP
Models to mount the expansion valve outside units:
BE SURE to complete to install the optional expansion
valve kit BEFORE turning ON the indoor unit power.
Models to mount the expansion valve outside units:
1 The wiring connection of the terminal board is the same
with standard models.
2 The expansion valve cable connector (CN33) connected
with CN14 on the control PCB is taped in the space on
the back of the electrical box as shown in the previous
figure. Attach extension cable connector bundled with
the optional expansion valve kit to CN33, and push it
into the space on the back of the electrical box.
3 Ensure to fix the extension cable bundled with the
optional expansion valve kit on the plastic boss fixing the
electrical box as shown in the figure, using the cord
band also bundled with the optional expansion valve kit.

RPK-2.0 HP
 RPK-(2.5-4.0) HP
 WIRING CONNECTION
Check to ensure that the terminal specification, shall be
applied to the screw (M4 for power supply, M3.5 for
operating line) of the terminal box.
Use the crimping terminal when the stranded wire.
If a single wire is used, connect the wire direct shown in the
below figure.
Electrical box
Wired Remote control wiring
Wired Remote control wiring
Connecting cable to CN13 on PCB
Terminal board
Fix cable by clamp
Hole for the right side
Remote control switch
Hole for
piping and
wiring
Hole of
electrical
box
Power
terminal
board
Power
source
line
Electrical
box cover
Receiver
PCB
Power source
terminal board
Screw for
earth wire
Fasten cord
by clamp
Terminal
board
Loose the right side
screw to open and to
wire power source,
wiring transmission
wire of outdoor, indoor
and remote control
wiring to terminal
board.
Terminal board
Fix cable by clamp
Screw for
earth wire
Connect it with
crimping terminal
Connect it direct
as shown below
Stranded wire
Single wire
Operating line
Expansion valve cable
Connector (CN14)
Connector (CN33)
In space at rear side
of
electrical box
Plastic band
(Accessory)
Resin boss for fixing electrical box)
Extensión cable (6m accessory)
Terminal board for
power supply
Screw for earth wire
Clamp for fixing wire
Terminal board (for
Remote Control)
Optical receiver
Electrical box
Connector (CN33)
Extensión cable
(6m, Accessory)
Plastic band (Accessory)
Resin boss for fixing
electrical box
Expansion valve cable)
Connector (CN14))