Dynatech QUASAR T25 A3 Instructions For Use And Maintenance Manual - Page 7

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Instruction Manual: D-Box + QUASAR T25 A3 + ASG UD

Date: 18-12-17

Revision: 02

The protection of this system against UCM is as follows: The D-Box electronic system compares, at all times, the

status of the car doors and the floor level via input signals from the installation. These signals are:



Doors closed.



Floor level,



Motor contactor

N.B.: Please check the electrical characteristics in the D-Box manual in order to verify the voltage of the signals to

be entered.

By using these inputs, if the D-Box detects that the car leaves door level with doors open, the contactor in the safety

line is activated, which causes the QUASAR T25 A3 governor's parking system coil to de-energise. This will make

the parking system interlocking system operate on the governor's centrifugal systems, thus causing the governor to

interlock.

Since the movement of the interlocking system is linked to the operating driving bar, when the governor interlocks,

the driving bar will operate on the safety gears thus causing them to jam and the car to brake.

Note: This manual displays partial information on the instructions for use and maintenance of this product. Please refer to the customer

area in Dynatech's website in order to consult the full manual; http://customers.dynatech-elevation.com/

Cod: DYN62-3.02

Figure 3: QUASAR T25 A3 Governor