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INSTALLATION AND OPERATION MANUAL
DRY CONTACT FUNCTION AND MALFUNCTION SIGNAL FUNCTION (Optional Part)
This product is a connecting cord to connect a Dry contact unit and Malfunction signal unit to the PWB of the room air conditioner indoor unit.
Beside this sheet, in order to perform an installation job, please refer to Installation Manual for each air conditioner.
Make sure the items listed below are included in the package.
If you need only one of either Dry contact function or Malfunction signal function, please use the dedicated cords:
SPX-WDC3 : Dry contact
SPX-WDC7 : Malfunction signal (Additional HA-adapter (HA-S100TSA) is required.)
*There is a risk that a disused cord would damage the PWB.
<Included Item>
• Connecting cord to PWB (SPX-WDC5)
• Contact with sleeve
• Installation and Operation Manual
CAUTION:
1. Stop the operation of air conditioner and turn the power breaker off before installation.
2. The output terminal of dry contact on PWB must be connected to a volt free contact output (OPEN <--> CLOSE), which linked
to the card's insertion state.
3. The wiring length from the Main PWB to dry contact shall be within 15m. Do not put the dry contact wiring with power cord or
other signal cord together. It may cause malfunction due to electrical noises.
A-1. Installation Instruction for the "Connecting Cord" (SPX-WDC5): Dry contact side
1. Open the front cover and electrical cover of indoor unit.
2. Connect (1) 11 pin connector to CN6 of indoor main PWB.
3. Join the end of (2) dry contact side to the dry contact cord by using the contact with sleeve provided in the package.
4. Set the dip switch SW501 of indoor main PWB to enable the dry contact function.
(refer to "B-1. Operating Instruction for the Dry Contact")
5. Make sure not to clamp any wire when reassemble the electrical cover.
6. Reassemble the front cover and do an operation check after dry contact cord has been connected.
MAIN PWB
Wire for this Connecting Cord have no polarity,
any wire joint is acceptable. (Dry contact side)
(1) 11 pin connector
(2) DRY CONTACT side
(3) MALFUNCTION SIGNAL side
Joint the cord from Dry Contact Cord to [Connecting Cord (SPX-WDC5)]
by using [Contact with sleeve].
SPX-WDC5 CONNECTION DIAGRAM
– 2 –
(1 pcs)
(2 pcs)
(1 booklet)
CONTACT WITH SLEEVE
DRY CONTACT CORD
HA ADAPTER (HA-S100TSA)
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