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Maytag - MHN33 with busy signal

Not sure which Airwallet unit you have? See Which Airwallet unit do you have?.

Fixed ➜ Pulse operated
Pulse length: 50 ms., pulse repetition: 1, busy signal: Low in use

Set the machine to vended laundry according to the installation manual.

No.	PRO310–330	PRO340	Wiring diagram
1	Wire no. 1	Wire no. 1	Line
2	Wire no. 2	Wire no. 2	Neutral
3	Wire no. 3	Wire no. 3	Terminal AA4 - 2 - RED
4	Wire no. 4	Wire no. 4	Terminal AA4 - 3 - WHITE
5	Wire no. 5 (moved to port 7)	Wire no. 8	Terminal AA3 - 2
6	Wire no. 6	Wire no. 6	Terminal AA3 - 1
7	Wire no. 7	Wire no. 7	Not in use
8	No wire 8	Wire no. 5	Not in use

PRO310–330: move wire no. 5 from port 10 to port 7 inside the Airwallet unit. PRO340: no move needed, use wire no. 8 instead.

Updated on: 12/11/2026

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