INSTRUCTIONS FOR VARILIGHT V

INSTRUCTIONS FOR VARILIGHT V
INSTRUCTIONS FOR VARILIGHT
V-COM DIMMERSWITCHES
OVERVIEW
www.varilight.co.uk
Thank you for choosing a VARILIGHT V-Com intelligent
programmable dimmerswitch. Use only on an electricity supply of
200-250 volts 50Hz AC.
IMPORTANT: Read ALL sections below before installing this
dimmerswitch.
V-Com dimmers are leading-edge and designed to control
dimmable LED lighting. To optimise the dimming performance with
LED lighting see “Programming” overleaf. For information on
compatibility with other types of lighting please see “Loading”
overleaf.
This product complies with European Safety Regulations (IEC 6692-1 or BSEN 60669-2-1) when used in lighting circuits containing
MCBs (miniature circuit breakers). These can be rated at 6A, 10A
or 16A (preferably 6A for lighting circuits).Your guarantee is not
affected if you have an older lighting circuit protected by fuse wire
links.
Please record the batch number printed on the side
of the plastic moulding on the rear of the product. This
will assist us in providing any technical support you
Reg. 426
may require.
LOADING
Always observe the recommended minimum and maximum loads
stated on the dimmer.
Please see www.varilight.co.uk/dimmers/v-com.html for the
latest loading guidance.
V-Com
Grid Dimmer
Push On/Off
Lighting
Type
Multi Gang
Per Gang
V-Com
Standard Dimmer
Push On/Off
1-Gang
K_P
BATCH NO:
INSTALLERS – Please leave these instructions with your customer
for future reference.
LOADING (Continued)
TRANSFORMERS
Use only with quality dimmable transformers. For optimum
performance choose VARILIGHT transformers.
To calculate load, add the VA ratings of the transformers
(not the wattage of the bulbs). Choose transformers with a
maximum rating close to their lamp load (e.g. Use a 50VA, 60VA or
70VA transformer to control a 50W low voltage bulb).
N.B. Certain transformers may not behave according to their power
rating when used with a dimmer. An overload will result in the
safety features switching the dimmer off. If so, change your
transformer(s) (VARILIGHT transformer(s) recommended); or
remove one (or some) transformer(s) from the circuit; or choose a
higher rated dimmer.
FREQUENTLY ASKED QUESTIONS
2-Gang
3-Gang
4-Gang
Per Gang Per Gang Per Gang
For FAQs, please visit: www.varilight.co.uk/faqs
GLS
GUARANTEE
Main
Halogen
In case of any defect, return the dimmer to our service department.
Varilight undertakes to repair or replace, at its discretion, goods
which have become defective within 12 months of purchase, solely
as a result of faulty materials and workmanship, provided that:a) The unit has been correctly fitted according to the instructions
and has not been used with an incompatible load, fluorescent
tubes, or overloaded beyond its rating, and has only been used on
a 200-250V a.c. power supply.
b) The dimmer module 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 (Tel. (01293) 851584) together with a letter stating the
guarantee registration number below, the date and place of
purchase, the type and wattage of the lighting or other load being
controlled and the details of the fault. 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. The guarantee does not apply to problems
arising from any incompatibility between your lamps and the
dimmer switch. This guarantee does not in any way affect the
statutory rights of the purchaser and is offered so that you may
have the benefit of our technical facilities.
GUARANTEE REGISTRATION NUMBER 426.
Low
Voltage
Halogen
As per
rating on
dimmer
As per
As per
rating on rating on
dimmer dimmer
As per
rating on
dimmer
As per
rating on
dimmer
Eco
Halogen
Dimmable
LEDs
Minimum load: as per rating on dimmer.
Max. load 180W: Max. number of LEDs permitted is 20
Max. load 220W: Max. number of LEDs permitted is 26
Max. load 300W: Max. number of LEDs permitted is 36
Max. load 400W: Max. number of LEDs permitted is 40
Max. load 600W: Max. number of LEDs permitted is 60
For the latest advice on dimmable LEDs, please visit
www.varilight.co.uk/leds
THIS SWITCH IS RECOMMENDED FOR
Most dimmable LEDs [see “Dimmable LEDs”]
THIS SWITCH IS ALSO COMPATIBLE WITH
Good quality dimmable low voltage transformers [see
“Transformers"]
GU10 or similar good quality mains halogen bulbs; [Choose VPlus Series Dimmers for the best performance with halogen
lighting]
Mains voltage incandescent GLS or candle-shaped bulbs
THIS SWITCH IS NOT SUITABLE FOR
Fluorescent bulbs and tubes
Electric motors
OVERLOAD PROTECTION
This dimmerswitch is protected against overheating. If an overload
occurs the dimmer will turn the lights down to indicate there is a
problem. Then the dimmer will automatically turn off until the
overload is removed and the dimmerswitch is switched off and then
switched back on again. However, if the dimmerswitch receives a
total short-circuit it may be damaged beyond repair.
WARNING: Do not apply products with metal
faceplates directly to freshly plastered or damp
surfaces as product may tarnish. If in doubt, use
polythene as a temporary gasket to protect the
product. Do not use masking tape on metal
faceplates.
FITTING YOUR DIMMERSWITCH
PROGRAMMING
Read these instructions carefully. Incorrect installation may damage the
dimmer beyond repair.
In case of any doubt or difficulty consult a qualified electrician.
1. Switch off at the mains, then remove the existing switch and
disconnect the wiring from the switch terminals at the rear, taking note
of the present wiring of the switch and the marking on the
terminals. Where there are two or more wires together in the old switch,
they must be kept together in the dimmerswitch.
2. Ensure that any wall box is free of plaster lumps or projecting screw
heads.
3. Dimmerswitches on single-sized plates can be fitted to wall boxes
having 60.3mm screw fixing centres and those with double-sized plates
to wall boxes with 120.6mm fixing centres. Most models can be fitted
into a box with a minimum depth of 25mm. A box having 4 fixing lugs
cannot be used without modifying it. The top and bottom lugs must be
broken off or bent flat.
4. To connect the wiring for 1-way or 2-way circuits refer to the
diagrams overleaf under the heading "1-Way, 2-Way and Multi-Way
Circuits". Take care that no bare wires project out of the terminals.
Keep wires together in a terminal if they were together in your old
switch.
5. Dimmerswitches having a metal front plate must be earthed by
means of the earthing point on the dimmer.
6. After connecting the wires screw the dimmerswitch gently into the
wall box so that the front plate is not distorted or cracked. Do not trap
the wiring between the rear of the dimmer and the back of the wall box.
7. Once installation is complete. Switch on the mains supply and switch
on the dimmer, turning the control knob to give the desired light level.
OPTIMISING THE PERFORMANCE OF YOUR DIMMERSWITCH
When you first install the dimmer switch it will automatically default to
MODE 1. This mode is the best one for almost all types of LED lighting
but if the lights are flashing in MODE 1 you may be able to improve the
dimming performance by changing the driving mode. [See “Changing
the driving mode” below.] You can always reset to MODE 1.
Additionally, the minimum brightness setting of the dimmer can be
adjusted to achieve the optimum dimming range for a particular load as
follows.
ADJUSTING THE MINIMUM BRIGHTNESS
If your lights are flickering when they are dimmed to a low level you can
increase the minimum brightness setting of the dimmer, which may
prevent this from happening. If the lights are brighter than you would like
when the dimmer is set to minimum, you can try reducing the minimum
brightness setting of the dimmer.
1. Switch on and set the dimmer knob to the MINIMUM position (turn
fully anti-clockwise).
2. Press to turn the lights off and back on again at least 3 times [OFF–
ON x 3], leaving approximately one second between presses.
3. The lights will step up and down in brightness, then go off, to show
that the dimmer is in CONFIGURATION MODE.
4. Turn the knob fully clockwise. The lights will come on and allow you
to adjust the minimum brightness.
5. Adjust the brightness that you are happy with as the minimum. Leave
the dimmer in this position.
6. After 3 seconds the dimmer will notice that you have stopped
adjusting the minimum. The lights will step up and down in brightness
to show that the dimmer has returned to normal operation.
7. Continue to use the dimmer as normal, with your new minimum
brightness.
CHANGING THE DRIVING MODE
Unless the lights are flashing it is likely that the best dimming
performance that the lamps can deliver is achieved in MODE 1.
If the lights are flashing then you may be able to improve the
performance of your lamps by manually changing the driving mode to
MODE 2, or in a small number of cases, MODE 3.
1. Switch on and set the dimmer knob to the MAXIMUM position (turn
fully clockwise).
2. Press to turn the lights off and back on again at least 3 times [OFF–
ON x 3], leaving approximately one second between presses.
3. The lights will step up and down in brightness to show that the
dimmer is in CONFIGURATION MODE, then go off.
4. To select MODE 2, turn the knob fully anti-clockwise or to select
MODE 3, first turn the knob fully anti-clockwise then fully clockwise.
5. The lights will FLASH 2 or 3 TIMES to show which mode the dimmer
is in.
6. The dimmer can now be operated normally in the new mode.
To return the dimmer to MODE 1 follow the same procedure. In this
case, both options in step 4 will cause the lights to FLASH ONCE to
indicate that you have successfully returned the dimmer to MODE 1.
RESETTING THE DIMMER
If you change your lights you can reset the dimmer to the factory default
minimum brightness setting.
1. Switch on and set the dimmer knob to the MAXIMUM position.
2. Press to turn the lights off and back on again at least 3 times [OFF–
ON x 3], leaving approximately one second between presses.
3. Wait for the dimmer to step the lights up and down. Then press to
turn the lights off and back on again at least 3 more times [OFF–ON
x 3], leaving approximately one second between presses.
4. The dimmer will reset all its settings to factory defaults. The lights will
come on, then fade away to off.
5. The minimum brightness setting will be reset to the factory default.
6. Continue to use the dimmer as normal
NB. It has been noted that some LEDs do not show the programming as
well as others. If you are having difficulty seeing the programming steps,
you can replace one LED lamp with a halogen one for the duration of
the programming in order to see the steps more clearly.
1-WAY, 2-WAY AND MULTI-WAY CIRCUITS
Your VARILIGHT V-Com intelligent dimmerswitch is suitable for 1-way
or 2-way lighting circuits. It has a push on/push off action to switch and
a rotary action to dim. There are 3 screw terminals per module.
1-WAY CIRCUITS
In 1-way lighting circuits each light is controlled by one switch.
Your dimmerswitch should replace this switch. See Figure 1. Remove
your old switch and copy the wiring configuration for your dimmerswitch.
Connect wires either way round to the 'C' terminal and one of the 'L'
terminals. The other 'L' terminal is not used in a 1-way circuit.
2-WAY CIRCUITS
2-way lighting circuits have two switches turning the same lights on and
off from 2 different locations (eg. at the top and bottom of the stairs).
You must only replace one of these switches with a dimmerswitch or the
lights will flicker. See Figures 2 and 3 which show typical 2-way circuits.
Remove your old switch and copy the wiring configuration for the
dimmer.
The wire(s) fitted in the "common" terminal of the old switch should be
fitted into the "C" terminal of the dimmerswitch. The wires fitted into the
other two terminals of the old switch should be fitted either way round
into terminals "L1" and "L2" of the dimmerswitch.
MULTI-GANG DIMMERSWITCHES
To fit 2 gang (or 3 or 4 gang) dimmerswitches treat each group of
terminals at the back of the unit as a separate dimmerswitch wiring
them into the lighting circuits as described above. If required, one
terminal from each dimmer module may be joined together with a short
length of wire to copy the wiring configuration of the old switch.
Figure 1. Using a 1 or 2-way dimmer switch
Figure 3. Using a 2-way dimmerswitch
DIMMER MUST REPLACE ONLY ONE OF THE 2-WAY SWITCHES
Figure 2. Using a 2-way dimmerswitch
DIMMER MUST REPLACE ONLY ONE OF THE 2-WAY SWITCHES
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