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FUHR multitronic 881 - User Manual

FUHR multitronic 881
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WWW.FUHR.DE
multitronic
881/881GL/ServoAccess
Installation, operation and maintenance instructions
7V08 / DIN 18251-3, Class 3
MBW20-EN/06.20-30
Declaration of
performance
881/881GL
Installation instructions for panic
and emergency exit door locks
MBW10.
Type 3+11
www.fuhr.de
www.f
u
hr.
de
Please note the additional
information:

Table of Contents

Other manuals for FUHR multitronic 881

Preview: Quick Start Guide
Quick Start Guide12 pages
Preview: Installation Instructions
Installation Instructions8 pages

Questions and Answers

  • J
    Jennifer RiversJul 26, 2025
    What to do if my FUHR lock does not lock completely?
    • S
      sally05Jul 26, 2025
      If your FUHR lock isn't locking completely, try the following: First, open the lock using the cylinder key. Check the door installation and adjust if necessary. Readjust the keeps to regulate the contact pressure. Ensure all keeps are freely accessible and correctly positioned. Also, make sure that a non-restricted FZG free-running profile cylinder is installed, as locks with a gear mechanism require this type of cylinder.
  • J
    jaredtaylorJul 29, 2025
    Why doesn't my FUHR lock lock?
    • J
      Jeremiah WilsonJul 30, 2025
      There are several reasons why your FUHR lock might not be locking. It could be due to the reed switch not triggering, potentially because the magnet is out of range. Try readjusting the magnet and/or the door, and check the clearance. Also, ensure that the day latch or permanently-open function is deactivated. Another cause could be a short circuit in the power connection between the electronic drive unit and the control unit, or the power supply of the mains adapter is insufficient. In this case, verify the correct polarity of the spring-loaded tappet contacts. Connect the cable properly to the green multi-functional jack and check the output voltage of the mains adapter (12 V DC).
  • R
    rogersbrittneyAug 2, 2025
    How to open FUHR lock if the door cannot be opened by the radio key?
    • B
      Bonnie MillsAug 2, 2025
      If you cannot open the door with your FUHR lock using the radio key, the radio key may not be tuned in. Try tuning it in again. Also, the distance to the receiver might be too large, so hold the radio key closer to the door. If the batteries in the radio key are weak, replace them. Finally, ensure the correct connection to the control or to the motor drive.
  • D
    Daniel GreeneAug 7, 2025
    What to do if FUHR Door locks cannot be opened by radio key?
    • L
      Lori ThorntonAug 8, 2025
      If your FUHR Door lock doesn't open using the radio key or an external impulse, first, try tuning in the radio key. If that doesn't work, reduce the distance to the receiver by holding the radio key closer to the door. Also, check the batteries in the radio key and replace them if they are weak. Finally, the control software might be blocked, so try resetting the control by switching the power supply off and then on again.
  • J
    James RowlandAug 12, 2025
    Why won't my FUHR Door locks lock or unlock?
    • J
      Jesus RobinsonAug 12, 2025
      If your FUHR Door lock isn't locking or unlocking, examine the data connection between the electronic drive unit and the control unit, ensuring the spring-loaded tappet contacts are correctly poled, paying attention to the +/- markings. Next, inspect all cables and plug-and-socket connections for any damage. Lastly, if the tappet contacts and contact surfaces lack contact, lubricate the contact surfaces.
  • C
    Cynthia WeeksAug 16, 2025
    How to fix FUHR Door locks that don't lock completely?
    • L
      lindariveraAug 16, 2025
      If your FUHR Door lock isn't locking completely, you should first check the door installation and adjust it if the door is warped. Then, readjust or loosen the keeps if they have been adjusted too tightly. Ensure all keeps are freely accessible, as the locking bolts may be obstructed. Finally, verify that a non-restricted profile cylinder has been installed instead of a profile cylinder without a free-running mechanism.
  • D
    danieljohnsonAug 20, 2025
    What to do if FUHR Door locks do not lock?
    • J
      Jenny MortonAug 20, 2025
      If your FUHR Door lock isn't locking, first, try readjusting the magnet and/or the door, as the reed switch may not be triggering. Also, check the clearance, as the magnet may be out of range.

Summary

Important Information and Safety Instructions

Product Safety and Maintenance

Emphasizes correct installation and maintenance for product safety and system reliability.

Suitability and Limitations

Details on suitability for specific door types and protection against humidity.

Installation and Operation Precautions

Warnings about handling components, avoiding lever operation during electrical cycles, and using provided parts.

Certifications and Labelling

Panic and Emergency Exit Locks

Details CE conformity for panic locks and emergency exit devices according to EN 1125 and EN 179 standards.

Multitronic Model Certifications

Installation Examples

Version 1 - Standard

Details installation example Version 1, featuring a cable junction without a control unit.

Version 2 - Standard

Details installation example Version 2, with tappet contact and without control unit.

Version 3 - Standard

Details installation example Version 3, with tappet contact and switching power supply on frame.

Version 4 - Standard

Details installation example Version 4, all-inclusive for installation in the door.

Version 5 - Project

Details installation example Version 5, all-inclusive with DIN rail components.

Version 6 - Project

Details installation example Version 6, all-inclusive with control box.

Installation Instructions

Routing and Drilling Operations

General guidance on routing and drilling operations for the multitronic locking system installation.

Cable Laying Methods

Describes cable laying depending on door design (PVC vs. aluminium) and installation versions.

Routing for Tappet Contacts

Instructions for routing tappet contacts in the door leaf for installation versions 2-6.

Drill Hole for Surface-Contact Cable

Details the drill hole requirements in the frame profile for surface-contact cables.

Routing for Control Unit Casing

Guides on routing the control unit casing in the door frame for installation version 4.

Routing for Switching Power Supply Unit

Details routing for the switching power supply unit in the door frame for versions 3 and 4.

Drill Hole for 230 V Cable

Instructions for drilling the hole for the 230V cable in the door frame for versions 3 and 4.

Safety Instructions for Work

General safety advice for routing, drilling, and fixing components to prevent damage and ensure safety.

Screw Fixing Guidelines

Installation on Version 4

Installation of Tappet Contacts

Installation of Multipoint Locking System

Installation of Cable Guides and Cover Plates

Installation of Magnetic Contact

Installation of Surface-Contact Device

Installation of Control Unit Housing

Installation of Switching Power Supply Unit

Commissioning

Operation Verification Check

Procedures for checking door alignment, profile cylinder, and basic lock functions at the fabricator's premises.

Commissioning on Site

Steps for installing the door in the wall and connecting electrical power supply by an electrician.

External Connection Options

Control Unit Connection Options

Multi-functional Jack Connections

The Control Unit

Day-Latch and Permanent-Open Functions

Control Unit Terminal Assignments

Terminal Assignments

Terminal 7+8

Terminal 9+10

Terminal 11+12

Wireless Control of Functions

Permanently-Open Function Tuning

Day-Latch Function Tuning

Application Examples for Circuit Board Assignment

Residential Building Application

Residential;Public Building Application

Construction Project Application

The Radio Receiver

Radio Receiver Module Installation

Drive Unit Multi-functional Jack

Drive Unit Terminal Assignments

Wiring Diagram

Power Supply and Control Unit Wiring

Illustrates the wiring for the power supply, main control unit, and drive unit.

Terminal Functions and Connections

Details the functions of specific terminals and their connections for various inputs and outputs.

Control via Radio Access Control Systems

Programming Keys Overview

Tuning In User Radio Keys

Step-by-step guide for tuning in individual user radio keys (max. 25).

Deleting Individual User Radio Keys

Step-by-step guide for deleting individual user radio keys.

Deleting All User Radio Keys

Step-by-step guide for deleting all user radio keys, except the master key.

Maintenance and Care

General Maintenance Recommendations

Technical Data

Multitronic-Set Power Consumption

Switching Power Supply Unit Specs

Troubleshooting

Lock Not Locking Completely

Identifies causes like sticky mechanisms or tight keeps and provides repair steps.

Lock Not Locking or Unlocking

Addresses issues like interrupted data connections or damaged cables, with relevant checks.

Lock Not Locking

Covers faults related to tappet contacts, reed switch, magnet range, or activated functions.

Door Cannot Be Opened

Troubleshoots issues with radio key tuning, distance, battery, or external opening impulse connections.

Door Opened, Latch Retracted

Radio Receiver Module LED Signals

FUHR multitronic 881 Specifications

General IconGeneral
Operating Temperature-20°C to +60°C
InstallationProfessional installation recommended
TypeElectronic door lock
OperationMotorized
Power supplyBattery-powered
Locking pointsMultiple locking points
MaterialSteel
Locking MechanismMotorized bolt
Unlocking Methodsremote control
WeightVaries depending on the model. Refer to specific product specifications.