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Dormakaba DB25K User Manual

Dormakaba DB25K
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Mounting Operating Manual
10 Solenoid Drop Bolt with manual Key Override WN 60425 45532/16458 - 08/2022
5 Mounting
5.1 Requirements for mounting
Before mounting, the following aspects must be clarified:
Product variant
Type of installation
Installation position
Cable routing and wire cross-section
Which product variant?
The product variant must match the intended use:
For areas where people are regularly present and for which no other escape
and rescue route is available, the fail-safe variant (currentless opening) should
be selected.
For areas that are to be closed in the event of a power failure, the fail-secure
variant (closing without power) is suitable.
Type of installation
Optionally, the lock can be mounted on the door frame or on the door; the strike
plate is installed in the door or the door frame accordingly. Installing the lock in
the door frame is easier, as the cables only have to be routed through the frame. It
requires more effort to lead the cables inside the door leaf to the lock.
Fig.3: Mounting variants - examples
1 Insertion opening in frame and door
2 Surface mounting on frame and door
3 Mortise opening in frame and surface mounting on door
A mortise opening in the door and door frame offers a discreet solution in which
the lock and strike plate remain invisible. If this is not possible, e.g. with glass
doors, both can be mounted on the surface using a housing (accessory). To install
the striking plate in the housing, the long striking plate (accessory) is also required.
In principle, any combination of mortise opening and surface mounting can be
realized, provided that the lock and strike plate are aligned with each other after
mounting. When the door is closed, the gap between the lock and striking plate
must not exceed 6 mm. If the gap is greater, the lock can no longer correctly
detect the position of the striking plate and will no longer function reliably.
Installation position
The lock can be mounted horizontally or vertically.

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Dormakaba DB25K Specifications

General IconGeneral
BrandDormakaba
ModelDB25K
CategoryDoor locks
LanguageEnglish

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