Metz Eta Plus ELC N6 Guide
UV-
TECHNOLOGY
Technical Documentation
ELC®N6 / ELC®N8 / ELC®N10
GB
£¤
eta plus electronic gmbh
Lauterstraße 29, D-72622 Nürtingen, Telefon +49 (0) 70 22 - 60 02-80, Fax +49 (0) 70 22 – 6 58 54
Postfach 1411, D-72604 Nürtingen, e-mail: info@eta-uv.de
––––––––––––––––––––––––––––
Eingetragen unter HRB 724321 AG Stuttgart, USt.-Id.-Nr. DE 146267800
Geschäftsführer: Dr. Peter Schwarz-Kiene
our name is our principle
eta plus electronic gmbh
Lauterstraße 29, 72622 Nürtingen, Telefon +49 7022 6002-80, Fax +49 7022 65854, E-mail: info@eta-uv.de, www.eta-uv.de
Eingetragen unter HRB 724321 AG Stuttgart, USt.-Id.-Nr. DE 146267800, Geschäftsleitung: Uwe Uhlemann, Dr. Markus Roth
ELC N6_N10-V3.1-09/11-GB subject to technical alterations
ELC®(„Electronic Lamp Control“) is a registered trademark of
IST Metz GmbH.
Contents page I
ELC N6_N10-V3.1-09/11-GB subject to technical alterations
Contents
1 Safety ................................................................................................. 1
1.1 Definition of Symbols.................................................................................1
1.2 Safety Advice ..............................................................................................1
1.3 Correct operation........................................................................................2
1.4 Extended use ..............................................................................................2
2 Description of functions................................................................... 3
3 Installation......................................................................................... 4
3.1 Mounting of casing.....................................................................................4
3.1.1 Back mounting ................................................................................................5
3.1.2 Side by side rack mounting.............................................................................6
3.2 Connection ..................................................................................................8
3.3 Control current connections....................................................................12
3.4 Explanations of the control functions for ELC.......................................14
3.4.1 Release relay................................................................................................14
3.4.2 Control input START.....................................................................................14
3.4.3 Setting lamp power .......................................................................................14
3.4.4 Table: lamp power ........................................................................................15
3.4.5 Earth fault control.......................................................................................... 16
4 Operation of ELC ............................................................................ 17
4.1 Initial operation .........................................................................................17
4.2 Switching on the ELC ...............................................................................17
4.3 Switching on the lamp..............................................................................17
4.4 Dimming Operation...................................................................................18
4.5 Standby Operation....................................................................................18
4.6 Switching off the Lamp ............................................................................18
5 Troubleshooting.............................................................................. 19
5.1 Repair ELC ................................................................................................19
6 Technical Data................................................................................. 20
1 Safety page 1
ELC N6_N10-V3.1-09/11-GB subject to technical alterations
1 Safety
1.1 Definition of Symbols
Stop (Stop Danger). This symbol warns of serious danger of severe injury to
persons. It must be strictly observed.
Attention (Warning). This symbol indicates information the non-observance of
which can lead to extensive damage to property. The safety warning must be
strictly observed.
Information. This symbol indicates key information on use. Non-observance can
lead to failure.
1.2 Safety Advice
The ELC must be installed and connected in compliance with existing
regulations and practices. This is e.g. EN 60204-1 in Europe.
Repairs on the ELC may only be carried out by the manufacturer.
The installation and starting up may only be carried out by skilled electricians.
Do not open the ELC before it is disconnected from the mains. BEWARE OF
RESIDUAL VOLTAGE! The unit may still be live up to three minutes after it has
been switched off.
1 Safety page 2
ELC N6_N10-V3.1-09/11-GB subject to technical alterations
The ELC causes a leakage current greater than 3.5 mA!
Safeguarding by means of leakage current protection type A and type AC
according to IEC 60755 is not permitted!
The ELC operates in principle as a frequency converter and is equipped with a
mains filter whose leakage current could activate fuse protection.
Contact to the grounding connector must always be ensured.
Additional measures must be taken to ensure that there is no danger when
touching the appliance. This could be by means of a universal leakage current
protection type B, taking into consideration the increased response threshold, or
by means of an independent equipotential connection
1.3 Correct operation
The ELC is an electrical unit intended to be installed in the switch cabinets of
industrial high-voltage power installations. It is conceived as an electronic ballast
for the operation of lamps intended for this purpose.
Any other use is deemed as misuse. The manufacturer will not assume liability
for damage resulting from misuse.
A pre-requisite for authorised operation of the ELC is the observance of both the
operating and maintenance instructions and the safety advice.
1.4 Extended use
Extended use beyond the operating specifications as stated is not permitted.
The manufacturer will not assume liability if the equipment is used in any other
way. The operator acts at his own risk.
Any operation beyond the scope of the authorised operation is considered to be
misuse.
2 Description of functions page 3
ELC N6_N10-V3.1-09/11-GB subject to technical alterations
2 Description of functions
The electronic ballast ELC is designed to operate medium pressure discharge lamps as
described in chapter 6.
In contrast to conventional ballasts (inductive lamp ballast or transformer or transformer with
transductor), the lamp with an electronic ballast is operated with high frequency (approx.
100 kHz). The lamp does not flicker and dimming is infinitely adjustable to a range between
20 % and 100 % of the electric power or to between 15 % and 100 % of the UV radiation
respectively.
Dimming
The possibility of dimming the lamp has two advantages. Firstly the lamp can be switched to
minimum load (standby operation) during longer idle times and energy can thus be saved.
Secondly the optimum lamp power can be determined and adjusted as appropriate.
Power control
The ELC offers a high level of lamp power constancy due to its integrated power control.
Variations in operating voltage of ±10 % do not affect lamp power.
Ignition device
When the lamp is switched on the ELC initiates trigger pulses to fire the lamp; a separate
ignition device is not required.
Other performance characteristics
•High level of electrical efficiency.
•The ELC has a network power factor of > 0.9. It can be operated directly at the network
without compensation.
•The potential-free control inputs allow various lamp conditions such as maximum lamp
power, dimming or standby to be set.
•The digital control inputs are designed for control voltages of between 10 and 30 V AC or
DC. Therefore ELC can be easily integrated into the installation’s electric system.
•Lamp current and lamp power are continuously recorded and output as analogous
0-10 V signals.
•The ELC monitors the lamp cables for earth fault.
•The potential of both lamp outputs is separated from that of the supply voltage.
•The ELC is both short-circuit proof and safe in open circuit operation at the lamp output.
3 Installation page 4
ELC N6_N10-V3.1-09/11-GB subject to technical alterations
3 Installation
3.1 Mounting of casing
The ELC must be installed in a control cabinet with at least IP 54 protection (see
EN 60529). Operation without a control cabinet or in a control cabinet with a
lower degree of protection is not permitted.
The ELC may only be installed vertically (control connections at the bottom,
power connection at the top) allowing for at least the minimum spacing as
shown. No other positioning is possible.
The installation possibilities are shown in 3.1.1 and in 3.1.2.
The ELC should not be mounted in the immediate proximity of sensitive
electronic equipment. An appropriate distance must be maintained to scatter
field transformers or other inductors.
The flow of cool air in ELC must be safeguarded. The ambient temperature must
not exceed the values described in chapter 6!.
The switching cabinet has to be air conditioned in consideration of total electrical
losses and maximum ambient temperature.
If the air conditioning is realised by fans the minimum required air flow is
described in chapter 6. The better the cooling situation the higher the expected
lifetime.
Impure cooling air could affect the functionality of the ELC. This can be avoided
by installing a fine air filter.
3 Installation page 5
ELC N6_N10-V3.1-09/11-GB subject to technical alterations
3.1.1 Back mounting
319 mm
130 mm
min. 20
min. 20
min. 20
min. 50
500 mm
270 mm
23 mm 23 mm
473 mm
min. 100 min. 100
90 mm
Top
Assembly for instance by gudgeon M6 with distance sleeve
pin-and-socket connector
for control signals
Lamp feeder cable
mains connection
Fig. 1: Assembly of the ELC (all dimensions in mm).
3 Installation page 6
ELC N6_N10-V3.1-09/11-GB subject to technical alterations
3.1.2 Side by side rack mounting
321 mm
130 mm
min. 20
min. 50
473 mm
min. 100
min. 100
520 mm
539 mm
80 mm
23 mm
M8 (4x)
Top
pin-and-socket connector
for control signals
Lamp feeder connection
mains connection
Fig. 2 side by side rack mounting with assembly brackets
3 Installation page 7
ELC N6_N10-V3.1-09/11-GB subject to technical alterations
If “side-by-side rack mounting“ is preferred, assembly brackets and screws can be provided
upon request.
Attach bracket to the upper surface of the
appliance
Attach bracket to the underside of the appliance
This manual suits for next models
2
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