VARILIGHT® AC/DC Converter - Instructions for Use Part Number: YTACDC12
Specification:
Input voltage: 11.5 V a.c. +/-10%. 0-35 kHz
Input current: ≤ 4.5 A
Output voltage: 11.1 V d.c. +/- 10%
Rated power: 50 W
Nominal output current: ≤ 4.5 A
Output current range: 0 - 4.5 A
Protection degree: IP20
Ambient temperature Ta: max. 40º C
Case temperature Tc: max. 75º C
Dimensions: 72 x 36 x 26 mm
Input wires: min. 2 x 1.0 mm2
Output wires: min. 2 x 1.0 mm2
Application:
IMPORTANT: See “Recommended Load” information below.
Use one AC/DC converter with each VARILIGHT 50W, 70W and 105W low voltage transformer to power either 12V d.c. LED
Strips (or 12V d.c. LED Lamps).
More than one AC/DC converter can also be connected in parallel to VARILIGHT transformers with a rating of 150W or
higher as long as there is a uniform load per converter.
Recommended Load:
Rating of the
VARILIGHT
Transformer to be used
with this Converter
50W/VA
Maximum number of
AC/DC Converters that
can be connected to
ONE Transformer
1
Maximum load per AC/DC Converter
when powering LED Strips
30 W (e.g. LED Strip
3528/120LED/9.6 W – length 3 m or
5050/60LED/14.4 W – length 2 m)
Maximum load per AC/DC Converter
when powering LED Lamps
20 W (e.g. LED Lamp MR16/ 12V/
GU5.3/ 7.0 W - quantity x 3)
70W/VA
1
40 W (e.g. LED Strip
3528/120LED/9.6 W – length 4 m or
30 W (e.g. LED Lamp MR16/ 12V/
GU5.3/ 7.0 W - quantity x 4)
5050/60LED/14.4 W – length 2.5 m)
105W/VA
1
50 W (e.g. LED Strip
3528/120LED/9.6 W – length 5 m or
40 W (e.g. LED Lamp MR16/ 12V/
GU5.3/ 7.0 W - quantity x 6)
5050/60LED/14.4 W – length 3.5 m)
150W/VA
2
50 W (e.g. LED Strip
3528/120LED/9.6 W – length 5 m or
40 W (e.g. LED Lamp MR16/ 12V/
GU5.3/ 7.0 W - quantity x 6)
5050/60LED/14.4 W – length 3.5 m)
Over 200W/VA
3
50 W (e.g. LED Strip
3528/120LED/9.6 W – length 5 m or
40 W (e.g. LED Lamp MR16/ 12V/
GU5.3/ 7.0 W - quantity x 6)
5050/60LED/14.4 W – length 3.5 m)
LED Strip Installation:
1) To power 12V d.c. LED strips use a VARILIGHT transformer with one or more AC/DC converters (see “Recommended
Load” information above.
2) The number of VARILIGHT transformers and AC/DC converters should be matched to the power of
LED strips you want to connect as shown above.
3) The maximum single length LED strip you can power from each AC/DC converter is 5 metres.
4) It is possible to power several lengths from one AC/DC converter as long as the total load is less than 50W by connecting
the LED strips in parallel (see Fig. 1 and Fig. 2 below for possible configurations)
Dimming LED Strips
Choose VARILIGHT
®
V-Pro dimmers to dim LED strip lighting. Refer to the maximum load information for low voltage
transformers provided with the dimmer to determine the maximum permitted load (measured by the total wattage of
transformers to be connected) and, in any case, do not exceed 250W per dimmer circuit.
Installation Advice
IMPORTANT
· Always turn off the electricity supply at the mains before beginning any electrical work.
· Always mount transformers and converters in a horizontal orientation. Do not mount transformers or AC/DC converters
vertically.
· VARILIGHT AC/DC converters are suitable for indoor use only.
· Install in a well-ventilated location, away from heat sources (the maximum operating temperature is 40°C).
· Do not connect the output cables of one transformer or converter to those of another.
· Observe the correct polarity when connecting the LED load.
· To achieve even light levels use identical lengths of LED strip on the output side of the AC/DC converter(s).
· The light switch or dimmer switch should be located on the primary (input) side of the transformer.
· If you require a longer cable than supplied (for transformers and AC/DC converters with integral cables) then use a
proprietary terminal block to connect a suitable additional cable (min 2 x1.0mm
terminals.
Typical LED Strip Installation:
GUARANTEE
In case of any defect return the transformer to our service department. This warranty is in addition to and not in derogation of
the statutory rights of the purchaser and is offered so that you may have the benefit of our technical facilities. Should a defect
occur in this unit within 2 years of its purchase we will replace or repair the defective unit free of charge provided that:a) The unit has been correctly fitted according to the instructions;
b) The transformer has not been tampered with or taken apart;
c) The unit is securely packed and safely returned to:Service Department, Carylls Lea, Faygate, Horsham, West Sussex, RH12 4SJ together with a letter stating the guarantee
registration number below, the date and place of purchase, details of the fault, the type and wattage of the light(s) being
controlled and what kind of switch or dimmer was used. This guarantee states Varilight’s entire liability, which does not extend
to cover consequential loss or damage or installation costs arising from a defective product.
GUARANTEE REGISTRATION NUMBER : D141
© DOYLE & TRATT PRODUCTS LTD 2014 www.varilight.co.uk
LED Strip A
LED Strip B
LED Strip C
2
, ensuring no bare wires protrude from the
The required
transformer rating is
determined by total
wattage of LED
strips being
controlled (see
“Recommended
Load” table).
IMPORTANT:
To determine the
maximum total
wattage of LED
strips added
together please refer
to the
“Recommended
Load” table.
LED Strip B LED Strip A
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