Jung 1240 STE Operating Instructions Manual
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Jung 1240 STE Operating Instructions Manual

Pushbutton control unit
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Light Management
Stand: Mai-07 325 391 03
Operating Instructions
Pushbutton control unit
1. Safety instructions
Attention: Electrical equipment must be installed and fitted by
qualified electricians only. Not suitable for safety disconnection.
Switching off the device does not isolate the load electrically from
the mains. To prevent electric shocks, always shut off the mains
supply before working on the pushbutton control unit or before
replacing the lamp. The settings of the device may only be changed
by qualified electricians. Unqualified work involves the risk of
electric shocks. Non-observance of the safety instructions may
cause fire or other hazards.
2. Function
Pushbutton control unit for switching and dimming of electronic ballasts or
TRONIC transformers with 1-10V interface. Switching and dimming
commands are given by actuating the attachments for the pushbutton
control units, extension units or radio-control transmitters. The
pushbutton control unit works with the double-button principle, i.e. the
pushbutton surface has an upper contact („brighter"') and a lower contact
(„darker"). The lamp is switched on and off via the load line and dimmed
via the 1-10V interface. The present instructions describe the functions
for use with the manual short-stroke key. The functions available with
other attachments or radio-control devices are set out in the
corresponding operating instructions.
Operation when the device is off:
Brief depression (less than 400 ms):
UPPER pushbutton or LOWER pushbutton or both: ON.
Long depression (longer than 400 ms):
UPPER pushbutton: dimming from minimum to maximum brightness.
LOWER pushbutton: switching on at minimum brightness.
Pushbutton control unit
Ref.-no.: 1240 STE
R3
1

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Summary of Contents for Jung 1240 STE

  • Page 1 Light Management Pushbutton control unit Ref.-no.: 1240 STE Operating Instructions Pushbutton control unit 1. Safety instructions Attention: Electrical equipment must be installed and fitted by qualified electricians only. Not suitable for safety disconnection. Switching off the device does not isolate the load electrically from the mains.
  • Page 2 Light Management Pushbutton control unit Ref.-no.: 1240 STE Operation when the device is on: Brief depression (less than 400 ms): UPPER pushbutton or LOWER pushbutton or both: OFF. Long depression (longer than 400 ms): UPPER pushbutton: increasing the brightness up to maximum.

  • Page 3: Fitting Instructions

    Light Management Pushbutton control unit Ref.-no.: 1240 STE 3. Fitting instructions Install the pushbutton control unit (1) in a flush-mounting box in acc. with DIN 49073 (fig A). The connecting terminals of the insert must be at the bottom (wall mounting). Use the pushbutton control unit only in combination with an attachment.
  • Page 4 Light Management Pushbutton control unit Ref.-no.: 1240 STE (1) pushbutton control unit (5) load (6) switched phase to other loads (7) 1-10 V control lines to other loads (8) "2-wire"extension unit (art. no. 1220 NE) (9) "3-wire" extension insert (art. no. 1223 NE)

  • Page 5: Connection Of Extension Units

    Light Management Pushbutton control unit Ref.-no.: 1240 STE 5. Connection of extension units Switching / dimming from several places with the "2-wire" extension unit (8), the "3-wire" extension unit (9) or a mechanical pushbutton (10), see fig. B. Contrary to the "2-wire" extension unit, the N conductor in the "3-wire"...
  • Page 6 Light Management Pushbutton control unit Ref.-no.: 1240 STE Connection of loads to different phase conductors. This configuration permits switching / dimming of a greater number of electronic ballasts or TRONIC transformers with a single pushbutton control unit. The insert is connected as shown in fig. C.

  • Page 7: Technical Data

    Our products are under guarantee within the scope of the statutory provisions. Please return the unit postage paid to our central service department giving a brief description of the fault: ALBRECHT JUNG GMBH & CO. KG Service-Center Kupferstr. 17-19 D-44532 Lünen Service-Line: +(49) 23 55 .

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