Command access MLRK1 Series User manual

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Kit Includes Tools Required

MLRK1

INSERT Instructions

The Command Access MLRK1 is a eld-installable motorized latch-retraction kit for:

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.

A. 60241 – MLRK1 motor

B. 60264 – mm4 module

C. 50453 – magnet bracket

D. 40040 – phillips Screws (x2)

• cordless drill

• 1/16” Drill bit

• minor cutting tools and file

• #0 phillips screwdriver

• #2 phillips screwdriver

D.C.

Average Latch Retraction Current: 2 Amp

Average Holding Current: 250 mA

High Torque Mode

Average Latch Retraction Current: 1.3 Amp

Average Holding Current: 215 mA

Standard Torque Mode

• MLRK1-JAC 12 - Jackson 1285, 1286 and 1295 series devices

• MLRK1-KAW17 - Kawneer 1686 and 1786 series devices

• MLRK1-AHT - AHT 8 and 9 series devices

G. H.

E. 40059 – cable mounting pad

F. 40060 – cable tie (x2)

G. 50636 – Cable guides (x3)

H. 50436 – 8’ Power cable

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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 o󰀩ce.

**Important Info**

Make sure to set PTS before finishing installation MM4 SWITCHES

STANDARD TORQUE

HIGH TORQUE

PTS PROGRAMMING OFF

PTS PROGRAMMING ON

Ceiling Tile

Module

GREEN

CHANNEL 1

LED

NORMALLY OPEN

DRY CONTACT FROM

ACCESS CONTROL

SYSTEM

NO VOLTAGE

LOCKING

HARDWARE

CAT

OFF

Scan me for

more information

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installation instructions

1Remove the Front and Back End Caps, which are held on by four screws (two each).

2Material will need to be removed from the Back End Cap.

3Flip the bar over to remove Head Assembly. RIM devices will be held in by 1 screw, CVR devices by 2.

Front End Cap Back End Cap

Head Assembly

Screw

Before: After:

5/8”

5/16”

Drill pilot hole on top corner

(RIM device shown)

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installation instructions

4Flip the device back over and slide the Push Pad to the right, exposing the Front Activating Bracket.

*Move the Push Pad slowly as some Front Activating Bracket pieces are held in by the Push Pad and

tend to fall out when exposed.

5With the Front Activating Bracket exposed, remove the Guides, Thin Clear Washers and Roll Pin.

6Slide the Push Pad to the left to expose the Back Activating Bracket and remove its pieces as well.

Once removed, continue sliding the Push Pad to the left and remove it from the Base Rail.

Push Pad

Front Activating Bracket

Guides

Roll Pin with Thin Clear Washers

(Washers were placed Roll Pin to prevent losing them)

*Front Activating Bracket is

under spring pressure and will

snap back once Roll Pin is removed.

Push Pad

Base Rail

Head Assembly

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installation instructions

Flip the Push Pad over and remove the Dogging Assembly underneath (four screws).

Reinstall the Head Assembly.

9Install the Magnet Bracket by rst hooking the bottom tab under the Front Activating Bracket.

Then press on the top plane to snap the Magnet Bracket in place.

Dogging Assembly

Head Assembly

Press Here

10 Once snapped in place, tighten the Top Screw to secure the Bracket in position.

Top Screw

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installation instructions

12 Flip MLRK1 over and angle the Scissor Bracket to match the position shown below.

13 To install the MLRK1, slide the Rolling Guide over the Front Activating Bracket. Then place the

Rear Mounting Bracket over the Bottom Dogging Bracket as shown below.

Scissor Bracket

11 Remove the four screws from the Bottom Dogging Bracket, keep the Bracket in place.

Bottom Dogging Bracket

Front Activating BracketRoller Guide

Rolling Guide

Rear Mounting Bracket

Bottom Dogging Bracket

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After verifying the correct screw hole location, add the provided Cable Tie to the Rear Mounting

Bracket as shown and tighten the back two screws.

Then ensure the Screws holding down the Scissor Bracket are still angled correctly and the MLRK1

is sitting ush against the Base Rail. Once the MLRK1 is in place, rotate the Scissor Bracket until its

Screws stop against the cut outouts as shown, then tighten the Screws.

If you are installing the MLRK1 into a Jackson series device:

• Use the Front screw hole locations on the Rear Mounting Bracket and align with the front holes

on the Base Rail.

If you are installing the MLRK1 into a Kawneer or AHT series device:

• Use the Back screw hole locations on the Rear Mounting Bracket and align with the back holes

on the Base Rail.

installation instructions

To verify you have used the correct hole locations, temporarily install the two provided screws into the

Rear Mounting Bracket. Then press down the Front Activating Bracket and comprae how it lines up

with the Green Sensor Board to the pictures shown below.

CORRECT INCORRECT

Before tightening After tightening

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installation instructions

17 Line up the edge of the Module Bracket to the machining mark on the Base Rail, then tighten all four

screws. (The Module Harness should be running out the back of the Base Rail)

18 Plug the other end of the Module Wiring Harness into the the MLRK1 and secure it with the Zip Tie.

You will use the three provided Cable Guides to nish installing the Module Wiring Harness, which will

be installed on the Channel as shown below.

16 Next, slide the Module Bracket into the Channel at the bottom of the Base Rail.

(Back of Base Rail)

Module Bracket Channel

Module Harness

Zip Tie

Correct

Cable Guide Installation

Push Pad

Guide

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installation instructions

17 Reassmble the Front and Back Activating Brackets by:

• First sliding the Rolls Pins into the brackets

• Then placing the two Connecting Rods on the Roll Pins as shown

• Finally slide on the Thin Clear Washers and Guides to complete the assembly

18 Reinstall the Push Pad, making sure the Activating Bracket Guides sit in their correct channel. Then

install the Front End Cap and its two screws.

16 Install the Cable Guides as shown, then press the Module Wiring Harness into them.

19 *IMPORTANT* When reinstalling the Rear End Cap, make sure that it is riding on the Push Pad Guide.

Push Pad

Guide

Correct

Installation

Shown

#20379_L

US customer support 1-888-622-2377 | www.commandaccess.com | CA customer support 1-855-823-3002

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.

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 o󰀩ce.

Make sure to set PTS before finishing installation MM4 SWITCHES

STANDARD TORQUE

HIGH TORQUE

PTS PROGRAMMING OFF

PTS PROGRAMMING ON

1OFF

OFF

installation instructions

20 *IMPORTANT* After reinstalling the Rear End Cap and its two screws, double check to make sure the

Module Wiring Harness is in the Cut Out and not being hit by the Rear End Cap.

Rear End Cap Cut Out Push Pad down, Wiring Harness within Cut Out

SPECIFICATIONS for optional rex:

• Single Pole - Double Throw (SPDT)

• Rating: 0.5A @24VAC

• Conguration:

Green - Common (C)

Blue - Normally Open (NO)

Gray - Normally Closed (NC)

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