Hitachi RAC-25FXA RAC25FXA ユーザーズマニュアル
製品コード
RAC25FXA
1-24
• Please decide the type of dry contact you will be using and set the position of the DIP Switch No. 2 and 3 accordingly
[1] CHECK DRY CONTACT OF CARD KEY UNIT
[2] SET THE POSITION OF DIP SWITCH
AIR CONDITIONER
Standby
Standby
AIR CONDITIONER
Operating
Operating
POSITION CONDITION OF DIP SWITCH
CARD KEY
(Door
Switch)
(Door
Switch)
REMOVE
INSERT
INITIAL CONDITION
(CARD KEY NO USE)
Contact
type a
OPEN
CLOSE
Contact
type b
CLOSE
OPEN
After all connection has been done as below diagram, ON the breaker and push ON button of wireless remote controller or
wired remote controller to operate the air conditioner unit.
wired remote controller to operate the air conditioner unit.
• When the CARD KEY is in insert condition, the air conditioner operation is allowable by remote controller.
• When the dry contact switch on the Card Key Unit is open (refer to diagram below for contact type a), the unit stops to
operate (it takes 10 seconds to stop the unit operation after the dry contact switch on the card key turns off) and vice
versa.
versa.
• When the card key is removed from the Card Key Unit, the wireless remote controller cannot be used.
• When the card key is removed from the Card Key Unit, the wired remote controller LCD display is activated; however it
has no control over the unit.
• The suitable accessory Connecting Cord (accessory code#: SPX-WDC1 or SPX-WDC2) need to be used to
connect the Card Key Unit’s dry contact switch to the connector on the control board of the indoor unit. Please refer to
Table 1 to select suitable accessory code# for the concerning indoor model.
Example of wiring connection to Card Key Unit will be as below (reference only)
CARD KEY UNIT (Prepared by INSTALLER)
AIR CONDITIONER INDOOR PCB
AC
POWER
SUPPLY
POWER
SUPPLY
① Connecting Cord to PCB:
SPX-WDC1 or SPX-WDC2
(refer to Table 1)
SPX-WDC1 or SPX-WDC2
(refer to Table 1)
② Contact with sleeve
CN6 or CN9
(Refer to Table 1)
(Refer to Table 1)
DIP SW Label
(Refer to Table 1)
Dry contact
Card sensor
indicator
HI Input Active
LO Input Active