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Merlin MJ3800, Installation And Operating Instructions Manual, Page: 1 / 24

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MJ3800

Residential & Light Duty Commercial Door Opener

Installation and Operating Instructions

gomerlin.com.au

gomerlin.co.nz

Owners Copy: Please keep these instructions for future reference

This manual contains IMPORTANT SAFETY information

DO NOT PROCEED WITH THE INSTALLATION BEFORE READING THOROUGHLY

Summary of Contents for MJ3800

Page 1: ...ner Installation and Operating Instructions gomerlin com au gomerlin co nz Owners Copy Please keep these instructions for future reference This manual contains IMPORTANT SAFETY information DO NOT PROCEED WITH THE INSTALLATION BEFORE READING THOROUGHLY ...

Page 2: ...anything to stay in the path of the door Do not allow children to play near the door or with door controls Keep remotes away from children Disconnect electric power to the garage door opener before making repairs or removing covers If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid hazard This opener should not b...

Page 3: ...TON INVENTORY Your door opener is packaged in one carton which contains the opener and the parts illustrated below Note that accessories will depend on the model purchased If anything is missing carefully check the packing material 5 3 1 10 11 2 4 C840 CM128 760E CM1702 C77 C940 C943 C945 7 8 9 CM844 12 LOCK LIGHT 6 LOCK LIGHT C98 845AML CM475 ACCESSORIES 1 Model CM844 4 Channel remote control 2 M...

Page 4: ...ance An unbalanced door may not reverse when required NEVER try to loosen move or adjust door door springs cables pulleys brackets or their hardware ALL of which are under EXTREME tension Disable ALL locks and remove ALL ropes connected to the door BEFORE installing and operating the door opener to avoid entanglement This device is not intended for use by small children or infirmed persons without...

Page 5: ...e side that meets the requirements listed below Must have minimum of 64mm 2 1 2 between the wall and the center of the torsion bar Must have minimum of 76mm 3 between the ceiling and the center of torsion bar Must have minimum of 203mm 8 between the side wall or obstruction and the end of torsion bar The torsion bar must extend at least 25mm to 100mm 1 to 4 past the bearing plate An electric outle...

Page 6: ...ome thread resistance to be evident 6 Collar Screw Collar Screw Set Screw Collar Screw Collar Screw Set Screw ASSEMBLY STEP 2 Attach Mounting Bracket to Opener Loosely attach slotted side of mounting bracket to the same side of the opener as the collar using self threading screws provided NOTE Do not tighten until instructed Illustrations shown are for left side installation Socket Wrench Figure 1...

Page 7: ...eys brackets or their hardware ALL of which are under EXTREME tension ALWAYS call a trained door systems technician if the door binds sticks or is out of balance An unbalanced door might not reverse when required Opener MUST be mounted at a right angle to the torsion bar to avoid premature wear on the collar Staple Torsion Bar IMPORTANT INSTALLATION INSTRUCTIONS To reduce the risk of SEVERE INJURY...

Page 8: ... 6 Plug connector into the opener Figure 2 NOTE Lock must be mounted within 3m 10 of the power head Overhand Knot Emergency Release Handle Overhand Knot Rope Opener Emergency Release Cable 016 Warning Label WARNING To prevent possible SERIOUS INJURY or DEATH from a falling door If possible use emergency release handle to disengage door ONLY when door is CLOSED Weak or broken springs or unbalanced ...

Page 9: ...posite side of the cable tension monitor 1 Position the cable tension monitor as shown Figures 1 and 2 The cable tension monitor should be located as close to the drum as possible NOTE There must be no obstructions in the installation area that prevent the cable tension monitor or the cable itself from closing completely when slack is detected 2 Make sure cable tension monitor is located over a wo...

Page 10: ...e the floor NOTE The wireless wall button supplied with your opener should be preprogrammed by the factory If adding a new wireless wall button program into the opener before mounting the unit INSTALLATION STEP 5 INSTALLING THE MULTI FUNCTION WALL CONTROL Note any connection to your MJ3800 should be voltage free and Normally open There are 2 screw terminals on the back of the multi function door c...

Page 11: ...nsors to the opener as shown on Page 12 Use insulated staples to secure the wire to the wall and ceiling Connect both sets of wires to the opener terminals as shown page 12 Plug in the opener If your opener has the Multi Function Door Control make sure the Lock Feature is off Red indicator lights in both the sending and receiving eyes will glow if wiring connections and alignment are correct If th...

Page 12: ...uded with the CM475 unit to test for proper operation and testing of the SPU SPU Cord Connector CM475 EverCharge Standby Power Unit TM USING THE MULTI FUNCTION DOOR CONTROL THE MULTI FUNCTION DOOR CONTROL Press the push bar to open or close the door Press again to reverse the door during the closing cycle or to stop the door while it s opening Light feature The Light function is not available with...

Page 13: ...he door is closing the door will reverse If the door is already open it will not close and the LED indicator light will flash 10 times See page 21 AUTOMATIC CLOSE TIMER FUNCTION Note Requires the Chamberlain Protector SystemTM IR sensors to be installed If Protector SystemTM IR sensors is installed to enable the timer to close function first time install sensors close the garage door and wait for ...

Page 14: ... button until the door reaches the desired UP open position Figure 2 NOTE Check to be sure the door opens high enough for your vehicle to pass under 3 Push the transmitter wireless wall button or multi function door control Figure 3 This sets the UP open limit and begins closing the door NOTE Excessive movement of the opener will cause premature wear See Troubleshooting section 4 Immediately when ...

Page 15: ...Preparing your door Orange Button Indicator Light Black Button BLACK ORANGE Push Orange button twice to enter unit into Force Adjustment Mode Figure 3 Figure 2 Figure 1 or Without a properly installed safety reversal system persons particularly children could be SERIOUSLY INJURED or KILLED by a closing the door NEVER learn forces or limits when door is binding or sticking Repair door first Too muc...

Page 16: ...justment Steps 1 and 2 Programming the Limits and Forces Repeat the test When the door reverses on the 40mm 1 1 2 obstacle remove the obstruction and run the opener through 3 or 4 complete travel cycles to test adjustment If the unit continues to fail the Safety Reverse Test call for a trained door systems technician IMPORTANT SAFETY CHECK Test the Safety Reverse System after Each adjustment of li...

Page 17: ...semblies and other hardware ALL of which are under EXTREME tension MUST be made by a trained door systems technician 12 ALWAYS disconnect electric power to the door opener BEFORE making ANY repairs or removing covers 13 Permanently fix the Emergency release instruction Label adjacent to the release handle 14 SAVE THESE INSTRUCTIONS EMERGENCY DOOR RELEASE ADJUSTMENT STEP 7 To Open the Door Manually...

Page 18: ...Add or Reprogram a Hand held Transmitter USING THE LEARN BUTTON WIRELESS PROGRAMMING 1 3 To Erase All Codes From Opener Memory To deactivate any unwanted transmitter first erase all codes Press and hold the orange learn button on opener until the learn indicator LED goes out approximately 6 9 seconds Note All previous codes are now erased Reprogram each transmitter or keyless entry you wish to use...

Page 19: ...s this temporary PIN will work press the number of hours up to 255 then press star button OR 3 To set the number of times this temporary PIN will open door press the number of times up to 255 then press hash button The indicator light will turn off when the temporary PIN has been learnt Test by pressing the four buttons for the temporary PIN then press Enter The door should move If the temporary P...

Page 20: ...on 3 C77 Protector systemTM IR Beams 4 041A6388 Collar with set screws 5 C945 3ch rolling code transmitter 6 041A4582 Emergency release rope handle assembly 041B4494 1 2 Conductor bell wire white white red 7 041A6104 1 Cable tension monitor 8 041C0902 Mounting bracket 041C0169 2 041A6408 041A6348 9 041A6320 5 041A6095 041A6226 6 Opener Assembly Parts ...

Page 21: ...opener does not activate disconnect multi function door control wires from opener Momentarily short across red and white terminals with jumper wire If opener activates replace multi function door control wires Symptom Sending indicator light glows steadily receiving indicator light is dim or flashing Realign receiving eye sensor clean lens and secure brackets Verify door track is firmly secured to...

Page 22: ... sensor See Installation Step 8 If the opener LED is not flashing and it is a new installation See Adjustment Step 2 For an existing installation see below Repeat the safety reverse test after the adjustment is complete 8 The door reverses for no apparent reason and opener LED doesn t flash Check cable tension monitor see installation step 4 Is something obstructing the door Pull the emergency rel...

Page 23: ...ove The wireless wall button CM128 press and hold the large round button down until the door starts to move The Keyless Entry See Accessories Must be programmed before use See Programming Multi Function Door Control When the opener is activated with the safety reversing sensor correctly installed and aligned 1 If open the door will close If closed it will open 2 If closing the door will reverse 3 ...

Page 24: ...ubject to your rights under the applicable Australian and New Zealand consumer protection laws with respect to major failures Chamberlain or its Professional Dealer will provide you with either repairs to the Unit or a replacement Unit Repairs and replacement parts provided under this Chamberlain Limited Warranty are provided free of charge and are warranted for the remaining portion of the origin...

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