Dynatech T-25UD Instructions For Use And Maintenance Manual - Page 5

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D-Box + Star A3 Beta+ ASG 1XX + T-25 Instruction Manual
Code: DYN 62-2.05
Date: 20/12/2019
•
D-Box's input signals are typical of the installation controller. As a result, response times of the controller
components are inherent to it even though the total response times of the D-Box + Star A3 Beta+ ASG 1XX
+ T-25 unit are considered as standard.
•
In the case of checking the installation or carrying out a manual rescue, it must be checked that the D-Box
is set at the correct operation mode for each of these situations so as to prevent unwanted jamming in the
safety gears.
•
The parking or anti-creep system, Beta model, incorporated in the Star governor to detect uncontrolled
movements, must always include a 24V coil in order to operate correctly along with the D-Box.
•
Connection between the STAR governor's star and ASG safety gear must be designed for this purpose in
order to prevent increasing response times.

DESCRIPTION OF THE UNIT

COMPONENTS OF THE SYSTEM

The components making up the system are:
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CONTROL SYSTEM
The D-Box operates as a control system.
•
GOVERNOR
The Star A3 model two-way governor operates as a UCM actuator.
•
SAFETY GEAR AND STEERING MECHANISM
The two-way progressive safety gear model ASG-1XX/ASG-1XX UD is used as a braking means.
OPERATION AS A UNIT
As can be seen in figure 2, the D-Box electronic device is connected to the installation controller and the Star A3
governor's parking system. D-Box connection is described in the D-Box's manual for use and maintenance.
The Star A3 overspeed governor with Beta parking system is fitted in the lift's car or frame and moves together with
them. Therefore, the governor in the machine room and the diverter pulley in the pit can be eliminated. The governor
moves whereas the rope remains fixed attached to the pit via a tensioning system.
Revision: 05
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