Comelit 4893M Technical Manual
Text of the manual
Table of contents
Warning............................................................................................. 2
Description........................................................................................ 3
Technical features............................................................................ 4
Installation......................................................................................... 5
Changing nameplates...............................................................................6
Settings............................................................................................. 7
Programming.................................................................................... 8
Call address programming for 2/4 users and additional external unit.8
Operation with additional external units.................................................9
Operation with switching device 1404 (default).....................................9
Operation with switching device 1405....................................................9
Programming a generic call address....................................................10
Disabling the COM-RTE contact...........................................................11
Connections.................................................................................... 12
Door open indication use variant..........................................................12
Variant for using a safety door lock and additional power supply.....12
Using the RC network for door lock filter on relay contacts..............12
System performance and layouts................................................. 12
Warning
Intended use
This Comelit product was designed for use in the creation of audio and video communication systems in residential,
commercial or industrial settings and in public buildings or buildings used by the public.
Installation
All activities connected to the installation of Comelit products must be carried out by qualified technical personnel, with
careful observation of the indications provided in the Manuals / Instruction sheets supplied with those products.
Wires
Cut off the power supply before carrying out any maintenance procedures.
Use wires with a cross-section suited to the distances involved, observing the instructions provided in the system
manual.
We advise against running the system wires through the same duct as the power cables (230V or higher).
Safe usage
To ensure Comelit products are used safely:
• carefully observe the indications provided in the Manuals / Instruction sheets
• make sure the system created using Comelit products has not been tampered with / damaged.
Maintenance
Comelit products do not require maintenance aside from routine cleaning, which should be carried out in accordance
with the indications provided in the Manuals / Instruction sheets.
Any repair work must be carried out
• for the products themselves, exclusively by Comelit Group S.p.A.,
• for systems, by qualified technical personnel.
Disclaimer
Comelit Group S.p.A. does not assume any responsibility for
• any usage other than the intended use
• non-observance of the indications and warnings contained in this Manual / Instruction sheet.
Comelit Group S.p.A. nonetheless reserves the right to change the information provided in this Manual / Instruction
sheet at any time and without prior notice.
1. Die-cast aluminium cover
2. Camera lighting LED set by default to activate in response
to a call (can be disabled by setting DIP 7 to ON, see
Settings)
3. Wide-angle colour camera
4. Loudspeaker
5. Indicator LED
call sent /
lock-release activated
audio active /
system busy
6. Call button 1 / 2 / 4 users
7. Microphone
8. Terminal block M1
LL bus line connection
RTE request to exit button input
COM common input for RTE and DO contacts
DO door open indication input
9. PR programming input/output switch
10. CNF programming confirmation switch
11. Loudspeaker volume control
12. Audio balance
13. Terminal block M2
SE- SE+ connection for electric door lock
NC relay normally closed contact
NO relay normally open contact
C relay common contact
14. JP1 enabling the RC network for door lock filter on relay
contacts
15. DIP-SWITCH for function programming
16. Microphone volume control
Wall-mounted external unit for Quadra series door entry monitor. Die-cast aluminium front panel, wide-angle colour video
camera and single LED for lighting at night. Mechanical buttons with the option of setting 1 to 4 call buttons via DIP-switch.
Indicator LED for call sent, lock-release activated, audio activated and system busy. Loudspeaker volume adjustment and
audio balancing. Bus line power supply.
Monoblock entrance panel
Type of finish
Die-cast aluminium
Audio/video system
Yes
Wall-mounted
Yes
Camera
Colors
Lens size (mm)
2,1
Diagonal viewing angle (°)
100
Minimum colour illumination (lux)
1
Power supply
Bus
Maximum current absorption (mA)
250
Clamps
LL RTE COM DO SE- SE+C NC NO
Buttons to call
Yes
Total buttons
4
Microphone volume control
Yes
Loudspeaker volume control
Yes
Operating temperature (°C)
-25 ÷ +55
IP protection rating
IP54
Vandal Resistant rating (IK code)
IK08
HARDWARE SPECIFICATIONS
Visual signalling
Yes
Acoustic signalling
Yes
GENERAL DATA
Product height (mm)
195
Product width (mm)
95
Product depth (mm)
28
COMPATIBILITY
Kit audio/video system
Yes
ELECTRICAL SPECIFICATIONS
Door release (dry contact bridge)
Yes
The camera must not be installed in front of light sources, or in places where the filmed subject is against
the light. In dim environments, we recommend additional lighting is provided.
4
2
3
1
163 cm
130 cm
COM
L L RTE
4
5
1
3
JOHN DOE
2
1
2
1
2
3
4
1
Settings
Microphone
Loudspeaker
6
1
2
1
2
1
2
3
You can download the free software (art. 1235A) to print the entrance panel name cards, using the adhesive
pre-cut sheets available in our catalogue (art. 1217A).
OPEN