Hitachi CH-UNIT CH-4.0NE Manuel D'installation Et De Fonctionnement page 20

14
ELECTRICAL WIRING
5. Tightly clamp the wires using the cord clamp inside the electrical box.
6. Fix the electrical box cover after wiring work.
6.3. SETTING OF DIP SWITCHES
Position of Dip Switches
The PCB1 in the electrical box of CH unit is equipped with 2 types of dip switches (DSW2, DSW5),
as shown in the figure below.
Setting of Dip Switches
The dip switches are set before shipment and no setting in the field is required. These are utilized for
the self-diagnosis of PCB.
Factory Setting Position (Dip Switch)
¥ DSW5
¥ DSW2
NOTE:
The " " mark indicates position of dip switches. The above figures show the setting before
shipment.
CAUTION:
Before setting dip switches, firstly turn OFF power source and set the position of the dip
switches. If the switches are set without turning OFF the power source, the switch can not
function.
ON
1 2
ON
1 2 3 4 5 6
No Description
Rubber Bushing
Cut Inside
No Description
PCB1
DSW5
DSW2