Issue:
How to wire a Dexter (WCAD) Washer with Ultra Series Reader (PK1A0001)
Environment:
Ultra Series Reader
Dexter Washers - Models
Beginning with WC, with C in 12th Position
Beginning with WCAD
Beginning with WCVD
Note: WCAD20KS Model used in images
Parts List
Part Number | Part Name | Items Included |
|---|---|---|
PK1A0001 | CleanReader Connection Kit, Dexter - Washer |
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Connections Illustrations
WH1A0009-Dexter Cable w/Opto Coin Drop & External Power

WH1A0008 Dexter Washer Status Cable (24V)
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AS110043 Dexter Status Box
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WH111004 120Vac Long Power Cable, Universal
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Safety Reminder: Please unplug the laundry machine before the installation of the KioSoft equipment.
Main Relay Board Connections:
Connect the WH1A0008 Dexter Washer Status Cable & the WH1A0009-Dexter Cable w/Opto Coin Drop & External Power to the AS110043 Dexter Status Box, as shown below:

Locate the P15 Orange cable on the Dexter washer’s Main Relay board and disconnect the cable. See image below for reference.
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Take the blue cable from Kiosoft's WH1A0008 and connect it into P15 connector as show below (Orange Cable)
WH1A0008 connect to machines P15 Orange cable | WH1A0008 with P15 Orange cable on Dexter board. |
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Take the white cable from KioSoft's WH1A0008, and tap into P20-1 (white cable) on the Main Relay Board:
P20-1 In Dexter Wiring Diagram | P20-1 Photo image on board | Same P20-1 Cable further down with a T-Tap connect and WH1A0008’s white cable connected |
|---|---|---|
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Connect WH1A0009's brown and green connection into P2 (coin) on the Dexter Controller board.

Power Connections:
Please consult the Owner’s Manual, under the installation section, before fully connecting the WH111004 & PS100007 Power Adaptor to your laundry machine. Depending on the machine model and voltage, connections may vary. Note: PS100007 Power Adaptor accepts a wide input from 100-240 V – 50-60HZ 0.8A and an output of 12V. Connect WH111004 to the AC adapter PS100007’s 2-pin connector. |
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Connect WH111004 to the AC adapter PS100007’s 2-pin connector.

Afterward, plug in the AC adapter PS100007’s 2-pin female connector to WH111003’s power cable, black and white.

Overview of Power Connections:

Then carefully connected WH111004’s loose black & white lead wires to the laundry machine. Using the two PP000003 splice connectors, the BLACK wire should be connected to a wire connected to L1, and the WHITE wire should be connected to a wire connected to NEUTRAL
Please consult the Owner’s Manual, the image below is for reference only. The connections may vary for your specific laundry machine model.
Note: PS100007 Power Adaptor accepts a wide input from 100-240 V – 50-60HZ 0.8A and an output of 12V.

Coin Acceptor Connections (ONLY IF APPLICABLE):
Dexter Optical Coin Acceptor connected | Diagram of WH1A0009’s connections for reference |
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Reader Connection:
Plug card reader’s data cable into harness WHA0009’s card reader cable. Note: The AB jumper on the back of the KioSoft card reader should be in the B position.
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