Jung D SNT 105 Bedienungsanleitung
DALI transformer 35 – 105 W
DALI transformer 35 – 105 W
Art.-No.: D SNT 105
Operationsmanual
1 Safety instructions
Electrical equipment may only be installed and fitted by electrically skilled persons.
Failure to observe the instructions may cause damage to the device and result in fire and
other hazards.
Danger of electric shock. Always disconnect before carrying out work on the load or
power supply. At the same time, take into account all circuit breakers that supply
dangerous voltage to the device or load.
These instructions are an integral part of the product, and must remain with the end
customer.
2 Device components
picture 1
(1) Fastening screws for terminal cover
(2) Mounting holes
(3) Terminal covers
3 Function
Intended use
- Power supply for LV halogen lamps
- Switching and brightness adjustment is performed with DALI control units or installation
buttons
- Installation in false ceilings or surface mounting
Product characteristics
- No-load proof
- Electronic short circuit protection
- Electronic overload protection
- Electronic over-temperature protection
- Suitable for emergency current installation
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i Flickering of the connected lamps is possible if the load is below the specified minimum.
This does not represent any defect in the device.
Behaviour after mains voltage failure in operation with DALI control unit
The behaviour is dependent on the DALI control unit.
i The brightness of the lighting when DALI telegrams are missing – PowerON-Level – and in
case of DALI system voltage failure – SystemFailure-Level – is stored in the transformer
and can be changed using suitable DALI control units. In the state as supplied this is
maximum brightness.
Behaviour after mains voltage failure in operation with installation button
After mains return the switching position and the brightness that were stored before the mains
voltage failure are set.
4 Operation
Operation with DALI control unit
The operation and the behaviour of the transformer are dependent on the DALI control unit (see
instructions for the control unit).
Switching light with installation button
o Press installation button briefly.
Light is switched on with the last brightness set or light is switched off.
i If a fixed switch-on brightness was stored, the light is always switched on to this brightness
value.
Adjusting brightness with installation button
Light is switched on.
o Make a long press on the installation button.
Light becomes brighter or dimmer as far as the respective limit value.
i The dimming direction is reversed when there is another long press on the installation
button.
Switching light on to minimum brightness with installation button
o Make a long press on the installation button until the light switches on.
i If the installation button is still pressed, the light becomes brighter up to maximum
brightness.
Saving a fixed switch-on brightness
o Set light to the required brightness.
o Press installation button briefly twice in succession.
Fixed switch-on brightness has been saved permanently. For confirmation the light flashes
twice and switches to the saved brightness.
Deleting fixed switch-on brightness
Light is off.
o Press installation button briefly twice in succession.
Fixed switch-on brightness has been deleted. For confirmation the light switches to
maximum brightness.
Synchronising transformers with installation button
In systems with more than one transformer it may be necessary to synchronise them, e.g.
because the brightness is no longer the same.
o Make a long press on the installation button.
All transformers switch on.
o Press installation button briefly.
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All transformers switch off.
o Make a long press on the installation button.
All transformers switch on to minimum brightness.
i If the installation button is still pressed, the light becomes brighter up to maximum
brightness.
5 Information for qualified electricians
5.1 Fitting and electrical connection
DANGER!
Electrical shock when live parts are touched.
Electrical shocks can be fatal.
Before carrying out work on the device or load, disconnect all the
corresponding circuit breakers. Cover up live parts in the working environment.
Fitting the transformer
Ensure adequate installation space for heat dissipation. In critical cases, carry out temperature
measurement. The housing temperature at the tc point (see transformer label) must not be
exceeded.
Do not fit in the vicinity of heat sources, e.g. lamps.
o Loosen screws (1) and remove terminal covers (3).
o Fasten transformer with screws through mounting holes (2).
Connection instructions
The transformer can be operated either with a DALI control unit or an installation button.
Operation with a DALI control unit and and installation button at the same time is not possible.
picture 2
i Do not connect secondary cable with additional transformers (picture 2).
i Do not lay secondary cable parallel to mains cable or transformer (picture 2).
i Do not lay secondary cable on metal surfaces.
i Ensure that the control cable is of the appropriate type, cross-section and routing for the
VDE specifications for 250 V cables, DALI interface has basic insulation.
i For reliable strain relief, use only cables of the same type on the primary side and on the
secondary side.
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Cable recommendations for reliable strain relief
Primary side Secondary side
H03VV-F 2×0.50mm2 H03VV-F 2×0.75mm2
H03VV-F 2×0.75mm2 H05VVH2-F 2×0.75mm2
H03VVH2-F 2×0.75mm2 H05VV-F 2×1.5mm2
H05VVH2-F 2×0.75mm2 H05VV-F 2×2.5mm2
NYM-J 3×1.5mm2 NYM-J 3×1.5mm2
NYM-O 2×1.5mm2 NYM-O 2×1.5mm2
NYM-J 3×2.5mm2
picture 3: Stripping lengths
o Strip connecting cables according to specifications (picture 3).
Terminal designations
PRI AC 230 V ~
TDi Connection for installation button
DA DALI interface
SEC AC 11.8 V ~
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Connecting transformer with DALI control unit
picture 4: Connection diagram with DALI control unit
o Connect transformer (5) and DALI control unit (4) according to connection diagram
(picture 4).
i The connected transformers and the DALI control unit may be operated on different outer
conductors.
Connecting transformer with installation button
picture 5: Connection diagram with installation button
i Illuminated installation buttons may only be connected if they have a separate N terminal.
i Connect all transformers and installation buttons to the same outer conductor.
i Ensure that the primary terminals are connected in a uniform manner.
o Connect transformer (5) and installation button with NO contact (6) according to connection
diagram (picture 5).
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5.2 Commissioning
Commissioning with DALI control unit
Commissioning depends on the control unit being used.
The system is fitted and connected.
o Switch on mains voltage.
Transformer switches to maximum brightness.
o Perform commissioning (see instructions for control unit)
Commissioning with installation button
The system is fitted and connected.
o Switch on mains voltage.
Transformer switches to maximum brightness.
o Press installation button until the transformer starts dimming.
The transformer has detected the installation button and can now be operated.
6 Appendix
6.1 Technical data
Rated voltage AC 230 / 240 V ~
Mains frequency 50 / 60 Hz
Rated voltage DC 230 / 240 V
Battery voltage DC 176 ... 275 V
Primary current 0.16 ... 0.5 A
Rated load 35 ... 105 W
Minimum connected load 35 W
Standby power max. 0.5 W
Power loss max. 6 W
Power factor 0.95
Output voltage AC 11.8 V~ eff.
Ambient temperature -20 ... +50 °C
Housing temperature 75 °C (tc)
Degree of protection IP 20
Safety class II
Primary side connection
Single stranded 0.5 ... 1.5 mm²
finely stranded with conductor sleeve 0.5 ... 1.5 mm²
finely stranded without conductor sleeve 0.5 ... 1.5 mm²
Secondary side connection
Single stranded 0.75 ... 2.5 mm²
finely stranded with conductor sleeve 0.75 ... 2.5 mm²
single stranded without conductor sleeve 0.75 ... 2.5 mm²
Secondary cable length 0.3 ... 2 m
Dimensions W×HxD 170×44×34 mm
6.2 Troubleshooting
Device switches off
Cause: short-circuit protection has tripped.
Eliminate short-circuit.
i The transformer switches on again after the short-circuit is eliminated
Light becomes dimmer without being operated and brighter again after some time
Cause: overheating protection adjusts the power downwards to allow the transformer to cool,
and then raises it again.
Check the installation situation.
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Reduce the connected load.
Device switches to maximum brightness without being operated
Cause: device is not receiving any DALI telegrams (see section Behaviour in case of mains
voltage failure).
Check DALI control unit.
6.3 Warranty
We reserve the right to make technical and formal changes to the product in the interest of
technical progress.
We provide a warranty as provided for by law.
Please send the unit postage-free with a description of the defect to our central customer
service office:
ALBRECHT JUNG GMBH & CO. KG
Service Center
Kupferstr. 17-19
D-44532 Lünen
Service-Line: +49 (0) 23 55 . 80 65 51
Telefax: +49 (0) 23 55 . 80 61 89
General equipment
Service-Line: +49 (0) 23 55 . 80 65 55
Telefax: +49 (0) 23 55 . 80 62 55
KNX equipment
Service-Line: +49 (0) 23 55 . 80 65 56
Telefax: +49 (0) 23 55 . 80 62 55
The Πsymbol is a free trade symbol, which is solely intended for the authorities and does not
guarantee any properties.
ALBRECHT JUNG GMBH & CO. KG
Volmestraße 1
D-58579 Schalksmühle
Telefon: +49.23 55.8 06-0
Telefax: +49.23 55.8 06-1 89
E-mail: [email protected]
Internet: www.jung.de
www.jung-katalog.de
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