Hitachi SPX-WDC4 Manual De Instalación Y Funcionamiento página 4

Final wiring connection will be as below (reference only)
CARD KEY UNIT (INSTALLER PREPARATION)
CARD SENSOR
INDICATOR
AC POWER
SUPPLY
Connection example.
i. Pin# 3 of DIP SWITCH SW501 set to OFF position for Dry Contact Type a
Using Dry Contact TYPE a
INDOOR UNIT
PCB
SERIAL CONNECTION
(ALL SW ON -->OPERATION)
ii. Pin# 3 of DIP SWITCH SW501 set to ON position for Dry Contact Type b
Using Dry Contact Type b
INDOOR UNIT
PARALLEL CONNECTION
(ALL SW OFF -->OPERATION)
DRY
CONTACT
c
1.SPX-WDC4
Conne n Cord to PCB
Accessory#: SPX-WDC4
Conne on
Conne on
Connec n Cord to PCB
Accessory#: SPX-WDC4
Connec on
PCB
Connec on
d
Contact with sleeve
Connecting cord to PCB
Window
CLOSE : ON
OPEN : OFF
Window
CLOSE : ON
OPEN : OFF
Window
– 4 –
AIR CONDITIONER INDOOR
CONTROL BOARD
CN7A/CN7B
SW501
OPEN : ON
CLOSE : OFF
Card Key Unit
Insert Card : OFF
Remove Card : ON
Window
OPEN : ON
CLOSE : OFF
Card Key Unit
Insert Card : ON
Remove Card : OFF