Command access MLRK1 Series User manual

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1
A.
Kit Includes Tools Required
MLRk1
INSERT Instructions
The Command Access MLRK1 is a eld-installable motorized latch-retraction kit for:
• MLRK1-DOR - Dorma 9000 series exit devices
Average Latch Retraction Current: 2 Amp
Average Holding Current: 250 mA
High Torque Mode
Average Latch Retraction Current: 900 mA
Average Holding Current: 215 mA
Standard Torque Mode
SPECIFICATIONS
• Input Voltage: 24VDC +/- 10%
• Wire gauge: Minimum 18 gauge
• Direct wire run - no relays or access control units
in-between power supply & module
Recommended Power Supplies:
All Command Access exit devices & eld installable kits have been thoroughly cycle tested with Command
Access power supplies at our factory. If you plan on using a non-Command power supply it must be a
ltered & regulated linear power supply.
C.
B.
A. 60346 MLRK1-DOR
B. 40802 8-32 x 3/8 SS Screws ( x4 )
C. 50436 8’ power lead
#2 phillips screwdriver
*do not use impact driver
or max torque setting on drill

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2
Technical Information
Step 1 - Select your preferred torque mode (ships in standard torque). Press the
device push pad to the desired setting. (We recommend to fully depress
and release 5%, giving the device room for changing door conditions.)
Step 2 - While depressing the push pad, apply power. (i.e. presenting the credential
to the reader).
Step 3 - Continue to keep the pad depressed, the device will beep 6 times. After the
beeps have stopped, release the pad and the adjustment is now complete.
If not to your liking repeat the 3 steps.
Setting PTS
2 Beeps
3 Beeps
5 Beeps
6 Beeps
Beeps Explanation Solution
Over Voltage
Under Voltage
Retraction or dogging failure
PUSH TO SET
> 30V unit will shut down. Check voltage & adjust to 24 V.
< 20V unit will shut down. Check voltage & adjust to 24 V.
After 1st fail: 5 beeps then immediately attempts to retract again.
After 2nd fail: 5 beeps with pause in-between for 30 seconds then device
attempts to retract again.
After 3rd fail: 5 beeps every 7 minutes, device will not attempt to retract.
To Reset: Depress bar for 5 seconds at any time.
Device is recording it’s new position and power mode after the 6th beep.
Troubleshooting & Diagnostics
4 Beeps Failed Sensor Verify all 3 sensor wires are installed correctly. Replace sensor if problem
persists by contacting ofce.
**Important Info**
Make sure to set PTS before finishing installation
MM4 SWITCHES
2
STANDARD TORQUE
HIGH TORQUE
PTS PROGRAMMING OFF
PTS PROGRAMMING ON
1
Ceiling Tile
Legend
Standard Placement
Optional Placement
Module
GREEN
CHANNEL 1
LED
NORMALLY OPEN
DRY CONTACT FROM
ACCESS CONTROL
SYSTEM
NO VOLTAGE
LOCKING
HARDWARE
+
-
CAT
OFF
OFF
ON
ON

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3
installation instructions
1Remove Head Cover (4 screws) and Head Assembly (2 screws).
2Flip the bar over and remove the 6 Screws holding the Pushpad Assembly to the Base Rail.
3Slide Pushpad Assembly and Slide Cover out of the Base Rail.
Head Cover
Head Assembly
1 each side
Base Rail
6 Screws
Pushpad Assembly Slide Cover
Base Rail

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4
installation instructions
4If you would prefer not to have Dogging on your device, simply remove the E-Clip and the
Plastic Dogging Piece, Ball Bearing and Metal Bracket can be taken off.
5Flip Pushpad Assembly over and locate the Front Activating Bracket.
6Remove the E-Clip from the Pin that holds the Mounting Bracket to the Activating Bracket. Slide the
Pin out and take the Mounting Bracket off. *Careful, these Brackets are under spring pressure.
E-Clip Metal Bracket
Ball Bearing
Plastic Dogging
E-Clip
Front Activating Bracket
Pushpad Assembly
Activating Bracket
Mounting Bracket
Pin Removed
Mounting Bracket
Removed
Spring
E-Clip and Pin

#20452_B
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5
installation instructions
7With the Spring Ends facing up, slide the MLRK1-DOR down and in between them. Ensure the Spring
Ends are on the sides of the Leading End of the MLRK1-DOR Mounting Bracket.
8Use your ngers to hold down the Spring Ends and slide the MLRK1-DOR until its cutout aligns with
the Activating Bracket’s Pin Hole. Re-install the Pin and secure it with the E-Clip.
9Lay the MLRK1-DOR down into the Pushpad Assembly, then route the Power Wire through the Back
Activating Bracket as shown.
Spring Ends
Facing Up
Bottom of MLRK1
Leading End
Spring Ends
Bottom of
MLRK1
Spring Ends
Hold down
Spring Ends
Slide
MLRK1-DOR
Align both holes
Pin and E-Clip
Pushpad Assembly
MRLK1-DOR
Back
Activating
Bracket
Power
Wire

#20452_B
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6
Step 1 - Select your preferred torque mode (ships in standard torque). Press the
device push pad to the desired setting. (We recommend to fully depress
and release 5%, giving the device room for changing door conditions.)
Step 2 - While depressing the push pad, apply power. (i.e. presenting the credential
to the reader).
Step 3 - Continue to keep the pad depressed, the device will beep 6 times. After the
beeps have stopped, release the pad and the adjustment is now complete.
If not to your liking repeat the 3 steps.
Setting PTS
* Make sure to set PTS before finishing installation *
MM4 SWITCHES
2
STANDARD TORQUE
HIGH TORQUE
PTS PROGRAMMING OFF
PTS PROGRAMMING ON
1OFF
OFF
ON
ON
installation instructions
10 Slide the Base Rail over the Pushpad Assembly until all 6 holes are aligned, re-install the screws.
11 Re-install the Head Assembly (2 screws), Head Cover (4 screws) and Slide Cover. *You may have to turn the plastic
dogging piece in order to fully install the Slide Cover. Then, plug the MLRK1-DOR to power and program the Push To Set
position following the instructions below, remembering to turn the Programming Switch to the off position when completed.
6 Holes
* Do not use impact driver or max torque setting on drill.