USER MANUAL
VC 20 100V 20W VOLUME CONTROL
Code: CRVOL01
VC 40 100V 40W VOLUME CONTROL
Code: CRVOL02
VC 60 100V 60W VOLUME CONTROL
Code: CRVOL03
VC 20R 100V 20W VOLUME CONTROL + RELAY
Code: CRVOL04
VC 40R 100V 40W VOLUME CONTROL + RELAY
Code: CRVOL05
VC 60R 100V 60W VOLUME CONTROL + RELAY
Code: CRVOL06
www.cleveracoustics.co.uk
1
WARNING
FOR YOUR OWN SAFETY, PLEASE READ THIS USER MANUAL CAREFULLY
BEFORE YOUR INITIAL START-UP!
CAUTION!
INPUT VOLTAGE OF 70-100V
SAFETY INSTRUCTIONS
Every person involved with the installation, operation & maintenance of this
equipment should:
- Be competent
- Follow the instructions of this manual
CAUTION! TAKE CARE USING THIS EQUIPMENT!
HIGH VOLTAGE-RISK OF ELECTRIC SHOCK!!
Before your initial start-up, please make sure that there is no damage caused during
transportation. Should there be any, consult your dealer and do not use the
equipment.
To maintain the equipment in good working condition and to ensure safe operation, it is necessary
for the user to follow the safety instructions and warning notes written in this manual.
Please note that damages caused by user modications to this equipment are not
subject to warranty.
2
IMPORTANT:
The manufacturer will not accept liability for any resulting damages caused
by the non-observance of this manual or any unauthorised modication to the
equipment.
• Never let the power-cable come into contact with other cables. Handle the power-cable
and all mains voltage connections with particular caution!
• Never remove warning or informative labels from the equipment.
• Do not open the equipment and do not modify the equipment.
• Do not switch the equipment on and off in short intervals, as this will reduce the
system’s life.
• Do not expose to ammable sources or gases.
• Make sure that the speaker-cable is never crimped or damaged. Check the equipment and
the speaker-cable periodically.
• If the equipment is dropped or damaged, disconnect the mains power supply immediately.
Have a qualied engineer inspect the equipment before operating again.
• If your product fails to function correctly, discontinue use immediately. Pack the unit
securely (preferably in the original packing material), and return it to your Prolight dealer
for service.
• Repairs, servicing and power connection must only be carried out by a qualied
technician. THIS UNIT CONTAINS NO USER SERVICEABLE PARTS.
• WARRANTY; One year from date of purchase.
OPERATING DETERMINATIONS
If this equipment is operated in any other way, than those described in this manual,
the product may suffer damage and the warranty becomes void.
Incorrect operation may lead to danger e.g.: short-circuit, burns, electric shocks,
lamp failure etc.
Do not endanger your own safety and the safety of others!
Incorrect installation or use can cause serious damage to people and property.
The 100V VC volume controls are designed specically for use in permanent audio
installations with optional 24V relay input (VC 20R, 40R & 60R) for emergency override.
This 100V volume controller warranted from defects for one year from the date of
purchase. Should your 100V volume control require service, either within or beyond that
warranty period, please contact your Prolight Dealer.
This unit includes a host of features, along with an impressive list of specications, which
are detailed over the next pages. Please take the time to read this document completely
prior to installation of this product.
Features:
• Built-in 100V line transformer
• 11 volume positions (10 + off)
• Rugged plastic housing
• Rotary volume control
• 70V/100V inputs (from mixer amplier)
• 70V/100V outputs (to speakers)
• DC 24V input (VC 20R/40R/60R only)
• Wall screws included (2 x M3 screws)
• Suitable for, schools, industrial and commercial applications where background music,
announcements and paging is required
3
Product
Rated power:
Line input:
Attenuation per step:
Total attenuation:
Attenuation positions:
DC 24V relay:
Dimensions (mm)
VC 20
20W
70V/100V
3dB
33dB
10 + off
No
80 x 80 x 48
VC 40
40W
70V/100V
3dB
33dB
10 + off
No
80 x 80 x 48
VC 60
60W
70V/100V
3dB
33dB
10 + off
No
80 x 80 x 48
VC 20R
20W
70V/100V
3dB
33dB
10 + off
Yes
80 x 80 x 48
VC 40R
40W
70V/100V
3dB
33dB
10 + off
Yes
80 x 80 x 48
VC 60R
60W
70V/100V
3dB
33dB
10 + off
Yes
80 x 80 x 48
4
Identication:
1. 100V transformer
2. Screw mounting holes - Use these to attached the controller to the controller wall back box.
3. +ve 100V line input - Use this input to connect the speaker cable from the amplier.
4. Input ground
5. Output ground
6. +ve 100V line output - Use this output to connect to the speakers from the volume control.
7. -ve 24V alarm ground
8. + ve 24V alarm input - Use this to connect to the re alarm. (VC 20R/40R and 60R only).
9. Volume control - Use this to increase or decrease the output volume.
10. Volume control housing
Wall Installation
The VC Volume Control is designed to be installed using standard 45mm deep pattress boxes.
Before installing the volume control, make sure that the installation area can hold a minimum point
load of 10 times the installations weight.(e.g.12Kg 130Kgs point load).
The durability of the installation depends very much on the material used at the installation area
(building material), such as wood, concrete and brick etc.
This is why the xing material must be chosen to suit the ceiling material. Always ask a specialist
for the correct plug/screw combination indicating the maximum load and building material.
8
9
10
5
MAINS
CD PLAYER
AM/FM TUNER
24V DC INPUT
(Optional)
POWER AMPLIFIER
CASSETTE
EQUIPMENT
CONNECT WITH AUDIO
PROCESSOR EQUIPMENT, USE
THE METAL JUMPER BARS WHEN
NOT CONNECTED FOR THE AMP
TO WORK
RECORDER EQUIPMENT
MIC 1 MIC 2 MIC 3 MIC 4
EMERGENCY PANEL (VC 20R, 40R 60R ONLY)
6
Cleaning and Maintenance
We recommend a frequent cleaning of the product. Please use a soft lint free and moistened
cloth. Never use alcohol or solvents.
There are no serviceable parts inside the product except for the fuse. Maintenance and service
operations are only to be carried out by authorised dealers.
Correct Disposal of this Product
(Waste Electrical & Electronic Equipment)
English
(Applicable in the European Union and other European countries with seperate
collection systems)
This marking shown on the product or its literature, indicates that it should not be
disposed with other household wastes at the end of its working life. To prevent possible
harm to the environment or human health from uncontrolled waste disposal, please
seperate this from other types of wastes and recycle it responsibly to promote the
sustainable reuse of material resources.
Household users should contact either the retailer where they purchased this product, or
their local government office, for details of where and how they can take this item for
environmentally safe recycling.
Business users should contact their supplier and check the terms and conditions of the
purchase contract. This product should not be mixed with other commercial wastes for
disposal.
CAUTION - DANGER TO LIFE
SWITCH OFF AMPLIFIER AND DISCONNECT
THE SPEAKER BEFORE
STARTING MAINTENANCE
www.cleveracoustics.co.uk
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