Hitachi EV-1.5N Installations- Und Betriebshandbuch Seite 19

Expansion Valve Kit EV-.5N
Installation & Operation Manual
4 Electrical Wiring
Electrical wiring connection with the indoor unit expansion valve cable is shown in the figure below. Refer to the indoor unit
"Installation & Maintenance Manual" for wiring connection of terminal board.
– The connector of CN33 connected to CN14 on the control PCB is fixed in space with tape at the rear side of the electrical
box. Connect the extension cable (accessory of the expansion valve kit) to CN33 and push it into space at the rear side of the
electrical box as shown in the figure.
– The extension cable (accessory of the expansion valve kit) should be fixed securely with the plastic band (accessory of the
expansion valve kit) at resin boss for fixing the electrical box as shown in the figure.
Expansion valve cable
Optical receiver
Terminal board (for
remote control)
Clamp for fixing wire
Screw for earth wire
Terminal board for
power supply
Page 7
Connector (CN14)
Electrical box
Connector (CN33) in
space at rear side of
electrical box
Plastic band (accessory)
Extension cable (6m, accessory)
Resin boss for fixing electrical box
PMML083A - 07/2008
Connector (CN14)
Expansion valve
cable
0.8~1.5 HP Expansion valve kit for wall type
Electrical box
Connector (CN33)
Extension cable
(6m, accessory)
Resin boss for fixing
electrical box
Plastic band (accessory)