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tousek
/ EN_ST-12-5_05 / 25. 03. 2020
9. Conversion ST 12/4 to ST 12/5
Swing gate operator control unit ST 12/5
• The conversion of the old control unit ST 12/4 to the new model ST 12/5 is possible by simply replacing the control board
while maintaining the existing control box and transformer.
Warning
•
Before taking off the control cover,
the main switch must be turned off !
•
If an emergency battery is connected, also discon-
nect this battery!
•
The inside of the control unit is under tension when
power supplied.
•
In order to avoid electrical strokes, the safety regula-
tions have to be respected.
•
The device may only be connected by qualified per
-
sonnel (specialised staff).
•
The product is not suitable for installation in explosion-
hazardous/explosive areas.
•
An all-pole disconnecting main switch with a contact
opening gap of min. 3 mm has to be foreseen. The
gate facility has to be secured according to the valid
safety regulations!
•
IMPORTANT: The control lines (sensor, buttons, radio,
photocells, etc.) have to be laid separately from the
230V lines (supply line, motors, signal lamp)
.
• After separation of the system (control) from the power supply, open the case and pull off both control terminals
(K1, K2)
,
which lead from the transformer to control board (
K1: red line transformer, K2: yellow transformer wire
)
.
• Loosen the screws with which the control board is connected to the chassis and remove the board.
• By loosening the screw terminal remove the two yellow wires
(primary line)
from the terminal block
(K2).
K1
K2
K1
K1
K2
red
Control unit ST 12/4
yellow
yellow