Hitachi MULTIZONE RAM-40NE2F Technical Catalogue page 100

Example of wiring connection to Card Key Unit will be as below (reference only)
CARD KEY UNIT (Prepared by INSTALLER)
Dry contact
Card sensor
indicator
AC
POWER
SUPPLY
•
CONNECTION EXAMPLE
i. Pin No. 3 of DIP SWITCH is set to OFF position (HI Input Active) for Dry Contact Type a
Connecting cord to PCB
Accessory# SPX-WDC3
(Refer to Table 1)
Indoor unit
PWB
SERIAL CONNECTION
All SW ON → OPERATION
ii. Pin No. 3 of DIP SWITCH is set to ON position (LO Input Active) for Dry Contact Type b
Connecting cord to PCB
Accessory# SPX-WDC3
(Refer to Table 1)
Indoor unit
PWB
PARALLEL CONNECTION
All SW OFF → OPERATION
Please refer to the actual manual supplied with the optional connecting cords SPX-WDC3 for more details.
② Contact with sleeve
① Connecting Cord to PCB:
SPX-WDC3 (Refer to Table 1)
Connection
Connection
Connection
Connection
Error! Reference source not found.
AIR CONDITIONER INDOOR PCB
CN6 or CN9
(Refer to Table 1)
DIP SW Label
(Refer to Table 1)
Window
Close: ON
Open: OFF
Card key unit
Insert Card: ON
Remove Card: OFF
Window
Close: ON
Open: OFF
Window
Close: OFF
Open: ON
Card key unit
Insert Card: OFF
Remove Card: ON
Window
Close: OFF
Open: ON
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