Hitachi SPX-WDC6 Installation & Operation Manual page 3

B. Setting instruction for DRY CONTACT.
DIP SWITCH (SW501) setting which related to DRY CONTACT function.
ON
▲
OFF
Table 1
Pin No.
1 AUTO RESTART function
2 DRY CONTACT Function
3 DRY CONTACT Input Logic
Note:
1) AUTO RESTART function set to "Enable" is required (set pin#1 on the DIP SWITCH SW501 above to OFF position).
2) DRY CONTACT function is "Enable" by set pin#2 of the DIP SWITCH SW501 to ON position.
3) Select the proper setting for DRY CONTACT LOGIC INPUT pin#3 on SW501.
i) Set to OFF position (Hi Input) if the type of Dry Contact switch to be used (for the CARD KEY UNIT or Window)
is of contact type a (Normally Open Type) as shown in below diagram.
ii) Set to ON position (Lo Input) if the type of Dry contact switch to be used (for the CARD KEY UNIT or Window)
is of contact type b (Normally Close Type) as shown in below diagram.
[i] CHECK DRY CONTACT OF CARD KEY UNIT
AIR CONDITIONER
Standby
CARD
KEY
(DOOR
SWITCH)
contact
type
a
contact
type
b
After all connection has been done, turn ON the breaker and push ON button at wireless remote controller or wired remote
controller to operate the air conditioner unit.
* When the CARD KEY is in insert condition, the air conditioner operation setting is permissable by using remote controller.
* When the dry contact switch on the Card Key Unit is open (refer to diagram above 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.
* When the card key is removed from the Card Key Unit, the wireless remote controller can not 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.
* When there is a failure happen, the Alarm Display function will activated and the LED will lit ON.
SPX-WDC6-EN2 3 SPX-WDC6-EN2 3
Switch Position / Setting
Function
OFF Enable
OFF Disable
OFF Hi Input
AIR CONDITIONER
Operating
REMOVE INSERT
OPEN CLOSE
CLOSE OPEN
– 3 –
ON Disable
ON Enable
ON Lo Input
[ii] SET SWITCH (SW501)
SW501 SET CONDITION
INITIAL CONDITION (CARD KEY NO USE)
ON
No. 2 : OFF
No. 3 : OFF
ON
No. 2 : ON
No. 3 : OFF
ON
No. 2 : ON
No. 3 : ON
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