8 Issue 2008-11-13 1004935-US-1.0
5 How the PowerSwing works
The PowerSwing works electro-hydraulically. It opens with an AC-motor that
through a hydraulic unit and an arm system transmits the power to the door leaf. The
closing power is from a coil spring. The movement of the door is controlled by limit
switches and valve screws.
5.1 Opening
When an opening impulse is received by the control unit, the motor starts and the
hydraulic unit rotates the drive shaft and arm system, causing the door to open at a
high rate of speed. Before reaching the fully open position, the speed is reduced to
low speed. The door stops and the motor rotation ceases when the selected door
opening angle is reached. The open position is held by a hydraulic valve.
5.2 Closing
The spring closing starts when the hold open time has expired. Before reaching the
fully closed position the speed is reduced to low speed, which continues until the
door is completely closed. The door is held closed by spring power. To overcome the
resistance of a strike plate a “lock kick” can be adjusted to meet the requirements of
most installations.
5.3 Functions on the Control Unit CSDB
5.3.1 Key Impulse
Key impulse will open the door in program mode selections OFF, EXIT and AUTO
and will keep the door open during key hold open time.
Key impulse hold open time can be adjusted between 0 to 30 sec.
5.3.2 Outer Impulse
Outer impulse will open the door if the Program Selector is set to AUTO therefore
keeping the door open during the outer hold open time, which can be adjusted
between 0 to 30 s.
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