Häfele DT 700 Instructions De Montage Et De Maintenance page 13

5.4 Important
information
concerning
DIN EN 179
DoP 917.81.B www.hafele.com/dop 1309-CPR-298
The DT700/DT710 is designed for installation on wooden doors.
Before fitting a DT700/DT710 to a door, the door should be checked in order to ensure
that it has been properly hung.
It is advisable to check whether the design of the door allows the DT700/DT710 to be
used.
Before a DT700/DT710 is fitted to a fire/smoke door, the certification of the fire door on
which the DT700/DT710 was tested should be checked in order to ensure that the
DT700/DT710 is suitable for this particular door.
If door seals are being used (e.g. profile seals, floor seals) it should be ensured that they
do not impede the proper operation of the DT700/DT710.
A suitable size of DT700/DT710 (backset, forend width) for the door leaf must be selec-
ted.
The DT700/DT710 as a grade 2 emergency exit device (standard projection) should be
used in cases where the width of the escape route is limited, or the doors to which the
DT700/DT710 is going to be fitted cannot be opened by more than 90°.
If the DT700/DT710 is fitted to glazed doors, the glazed parts must be made from tem-
pered safety glass or laminated glass
The DT700/DT710 is not suitable for use on double action doors.
The installation instructions must be carefully followed during the installation of the
DT700/DT710. These instructions and all maintenance instructions must be passed on
to the operator by the installer.
The operating element should normally be installed at a height of between 900mm and
1100mm above the surface of the finished floor with the door closed.
If it is known that the majority of users of the building will be small children, reducing the
height of the operating element should be considered.
All potential safety risks such as trapping fingers or snagging clothing should be avoided
to the maximum extent when installing emergency exit devices with lever handle opera-
tion (DT700/DT710), particularly on doors with raised or recessed surfaces.
The bolt heads and keepers (strikes) must be attached in such a way that access can
take place safely. It must be ensured that the projection of the bolt heads in the withdrawn
position does not impede the free movement of the door.
No devices other than the provided DT700/DT710 must be installed for securing the door
in the closed position. This does not exclude the installation of self-closing devices.
If a self-closing device is installed to move the door back to the closed position, it should
be ensured that this does not impede the operation of the door by children and elderly /
frail persons.
The provided keepers (strikes) or protection plates must be installed in order to ensure
that EN179 is complied with.
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