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multitronic
881/881GL/ServoAccess
The FUHR multipoint locking system multitronic 881 locks doors electromotively – at all times and fully automated.
• Particularly reliable – strong and fast – due to two parallel high performance motor drives.
• This saves energy as the door always closes imperviously.
• Enables secure locking of main entrance doors, apartment doors or back doors.
• Suitable for use with all door materials as well as for burglary-resistant doors in accordance with EN 1627 RC 2 and RC 3.
The standard locking and unlocking functions in detail:
Special functions are described in chapter 6.
Locking (closing):
All locking components are locked automatically 3 sec. after the door has been closed over. (This can however in emergency
situations – e.g. in the event of power failure – also be carried out mechanically by turning the key.)
Unlocking (opening) from the outside:
• By using the FZG free-running profile cylinder’s key (depending on the drive-gear position; 4 turns)
• Optionally by means of a FUHR radio access system e.g. transponder, finger print scanner or similar access control systems
Unlocking (opening) from the inside:
• Via the door lever handle as usual or by using the FZG free-running profile cylinder’s key (depending on the drive-gear
position; 4 turns)
• Optionally via a domestic intercom system (6-12 V AC, 6-24 V DC or potential free)
• Optionally by means of a FUHR radio access system e.g. transponder
• Optionally by means of another access system (release signal via potential-free contact)
• Optionally by means of a contemporary BMS device (Building Management System)
Do not operate the lever-handle during the electrical locking and unlocking procedure!
The optional ServoAccess version:
In addition to the standard functions above, ServoAccess provides an additional operation comfort due to a motorized sup-
port when opening mechanically. The multitronic 881 ServoAccess is opened from its locked basic position by the first key
turn. As a further benefit, the servo function supports the already smooth opening when the lever handle is operated slowly.
This function is particularly suitable for applications where the mechanical opening is done by key e.g.:
• In multi-family houses, where the operation of the access control is reserved for the owner for various reasons
• Office buildings in which only a time switch controls the activation and outside the „main times“ the key (locking system)
should be used
• For groups of people who for various reasons do not use access control, e.g. small children or elderly people who prefer the
conventional key for door opening
Further electrical connections are available for: (some are only operated by controler)
1 Introduction
• Alarm systems
• Access control systems
• Electrically operated door openers
• External control LED
• Time switches (permanent-open function or day latch
function, via cable or radio activation)
• Electronical shutdown signal
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