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A  B  C  D  E 

DIP SWITCHES

CURRENCY SWITCH

(Located on the back of the Discriminator Unit.)

Switch Number

Function

#1  USA       On/Off On - Accept United States Coins
#2  Canada On/Off On - Accept Canadian Coins
#3  Token    On/Off On - Accept Tokens
#4  Float High/Low  Set  Float  either  High  ($52.00)  or        

Low ($34.00)

ALIGNMENT

  

Once the coin mechanism is installed, check that there 

is a small gap (2 mm) between the return lever on the 

vending machine and the Acceptor Gate lever on the coin 

mechanism. 

  Confirm that when you press the coin return lever on the 

machine door, it fully depresses the acceptor gate lever on 

the coin mechanism, then lets it return smoothly without 

holding the gate open.

  Check the alignment of the coin input chute and cashbox 

chute. Insert some coins to check that they enter the coin 

mechanism properly and exit into the return cup. Ensure 

that the coin chute does not rest on or open the acceptor 

gate.

  Most machines allow you to adjust the return lever, coin 

chute, and the return cup to align with the coin 

mechanism

Align, adjust, and test as necessary to ensure coins are 

properly routed before continuing with these instructions.

CONNECTION

  

If the vending machine has a bill validator, connect the 

MDB harness coming from the coin mechanism to the bill 

validator’s “Y” connector. If there is no bill validator, connect 

the coin mechanism harness to the harness coming from 

the vending machine control board.

  Tuck any excess length of harnessing inside the machine. 

Make sure no harness is pinched or trapped when the coin 

return lever is pressed or when the vending machine door 

in closed.

  Now you may switch 

ON

 the power to the vending 

machine.

GENERAL INFORMATION

CONLUX MCM5  

This 

document contains information for installing the

 MEI Conlux MCM5 coin mechanism.

This product fits into the standard coin changer channel 

provided by vending machine  manufacturers. It mounts on 

the existing three mounting studs/screws located  in the 

vending machine.

INTERFACE

MEI Conlux MCM5 coin changer operates in machines that 

support the MDB interface*.

The operating voltage of a MEI Conlux coin mechanism is 

stated on the  label of each product. The label is located on 

the left side of the coin mechanism.

 

Weight       

   

3.5 lbs.

Rated Operating Voltage     Voltage: 34v d.c. 12W

0.92A at DC34V peak

Compliance            UL standard, FCC standard

*Note: MDB (Multi drop bus) interface information can be 

found on NAMA’s website located at 

www.vending.org

Reading the Conlux Serial #

 117400052

First two digits are the year - 2011
Second digit is the month - July
 

X = October

 

Y = November      Ignore the rest of the numbers

 

Z = December

 

This is the QR code for  www.meigroup .com.

COIN CASSETTE

The coin mechanism can be ordered with one of two 

cassette configurations for both the USA and Canada. 

The USA and CANADA use the same cassettes.

• Remove cassette by using your thumb to depress the 

white latch and tilt the cassette forwards and lift upwards  

as shown.

 

 

 

 

     

    

     

      

 

 

 

Front

The cassette type will be recognized automatically by the 

coin mechanism.

LOADING THE COIN CASSETTE

You can load the coin cassette using either of these two 

techniques:

Loading by Removing Cassette

1. Remove the cassette. Place it front down on a firm 

surface. Open the back by pinching the two tabs together 

and levering it open on the hinge. Fig 1.

2. It is recommended that you fill each tube (nickel, dime, 

quarter, and dollar) if available with at least  15 coins. Each 

tube will hold 2 rolls of coins.

Note: 

Insure that coins are inserted into the proper tubes. 

 

 

Do not fill above the MAX FILL line. Fig. 2

LOADING THE COIN CASSETTE

Loading from the Front

1. Press down on the white Cassette Latch in front and tilt 

the top of the cassette out until you can lift the cassette 

from the coin changer.   Stand the cassette on a firm 

surface.

2. From the front, manually load the coins into tubes A, B, 

C, D, and E.

IN

STALLATION INSTRUCTIONS

Before you begin...

•Remove the 

coin mechanism

 from the packaging 

material. Inspect unit for physical damage.

You need these tools:

Phillips screw driver

Wire Tie wraps

Wire cutters

Wire Tie wrap adhesive anchors

•Turn 

OFF 

the power supply to the vending machine.

•Lift up on the 

White lever

 on the top left side of the 

coin 

mechanism

 and tilt the Discriminator assembly forward. 

       

 

Push Up 

 

 Tilt Out

 Hang

          Securely

•Once open, the mounting holes are accessible. Hang the 

coin mechanism on the mounting studs/screws, ensuring 

that the coin mechanism is mounted vertically with no tilt, 

on all three studs/screws. 

•Tighten the screws (if required), 

Check / Set the 

DIP

 Switches. 

Close and latch the Discriminator assembly.

Fig. 2

Fig. 1

3 Mounting

Holes

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