OPTION LIST
42
Example of wiring connection to Card Key Unit will be as below (reference only)
CARD KEY UNIT (Prepared by INSTALLER) AIR CONDITIONER INDOOR PCB
• CONNECTION EXAMPLE
i. Pin No. 3 of DIP SWITCH is set to OFF position (HI Input Active) for Dry Contact Type a
ii. Pin No. 3 of DIP SWITCH is set to ON position (LO Input Active) for Dry Contact Type b
Please refer to the actual manual supplied with the optional connecting cords SPX-WDC3 for more details.
AC
POWER
SUPPLY
① Connecting Cord to PCB:
SPX-WDC3
② Contact with sleeve
CN6
DIP SW (DSW1)
Dry contact
Card sensor
indicator
Window
Close: ON
Open: OFF
Window
Close: ON
Open: OFF
Card key unit
Insert Card: ON
Remove Card: OFF
Indoor unit
PWB
Connection
Connection
SERIAL CONNECTION
All SW ON → OPERATION
Connecting cord to PCB
Accessory# SPX-WDC3
Window
Close: OFF
Open: ON
Window
Close: OFF
Open: ON
Card key unit
Insert Card: OFF
Remove Card: ON
Indoor unit
PWB
Connection
Connection
PARALLEL CONNECTION
All SW OFF → OPERATION
Connecting cord to PCB
Accessory# SPX-WDC3
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