Venitem HEMA L Technical Manual
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Venitem HEMA L Technical Manual

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L – LS – LSP
GENERAL DESCRIPTION
HEMA L is a low-consumption sounder with high-brightness LED flashing unit – anti-opening and anti-removal tamper – sound and timing
programming – alarm counting – microprocessor self-test of: battery, speaker and drivers with dedicated anomaly negative output –
programming of sounder trigger polarity – input for speaker block - permanent or momentary optical indication of alarm system ON/FF
through a special resin tropicalization process
(arming/disarming) – electronic board protected against polarity inversion and tropicalized
against bad weather conditions and moisture
. External cover and sounder base are in ABS while the internal cover is made of zinc-plated
steel.
open
The tamper devices detecting removal, sounder opening, foam and shock are to be connected in series. In case of tamper attempt, they
the contact between the two TAMPER terminals thus triggering off the alarm.
HEMA LS: technical features as HEMA L with double micro switch anti-foam circuit provided of anti-shock technology against hard hits.
HEMA LSP: technical features as HEMA L with double micro switch anti-foam circuit provided of anti-shock technology against hard hits and
anti-drilling device.
MA-SE-HE00-01-11 Manual HEMA eng rev11
Page 1 of 8

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Summary of Contents for Venitem HEMA L

  • Page 1 HEMA LS: technical features as HEMA L with double micro switch anti-foam circuit provided of anti-shock technology against hard hits. HEMA LSP: technical features as HEMA L with double micro switch anti-foam circuit provided of anti-shock technology against hard hits and anti-drilling device.

  • Page 2: Technical Features

    TECHNICAL FEATURES 13.0  13.8 Vdc Nominal battery recharge Voltage Minimum command 4.1 Vdc Minimum supplying 10 Vdc Max supplying 15 Vdc 500 mA  100 mA Max consumption from Current control panel (for battery recharge and sound) Battery consumption in 1.3 A +100/-300 mA alarm 90 mA ...

  • Page 3: Connection Schemes

    CONNECTION SCHEMES LED 1 JUMPER 5 SWITCH LOUDSPEAKER AND BATTERY CONNECTOR ANTI-DRILLING TAMPER TAMPER TERMINALS TERMINALS FOUR-WIRE CONNECTION Connect 13.8 Vdc supplying coming from control panel to the dedicated terminals: -RIC negative; +RIC positive; +C positive-missing trigger; RES negative trigger for flash reset. Note: by default, DIPSWITCH N°2 is set in OFF position, POSITIVE-MISSING TRIGGER GND 0 Vdc +13.8 Vdc...

  • Page 4: Three-Wire Connection

    2. THREE-WIRE CONNECTION Connect 13.8 Vdc supplying coming from control panel to the dedicated terminals: -RIC negative; +RIC positive. (+C trigger must be jumped to +RIC ); RES negative trigger for flash reset. Note: by default, DIPSWITCH N°2 is set in OFF N°6 OFF, POSITIVE-MISSING TRIGGER GND 0 Vdc +13.8 Vdc and OUTDOOR SOUNDER TRIGGER...
  • Page 5 6. TERMINAL 5 - NEGATIVE SOUND-BLOCK INPUT It gives a 0V signal to terminal 5 thus activating the sound interruption trigger. 7. TERMINAL OUT ANM AND FAULTS LED The microcontroller managing the sounder is able to check if recharge, battery, loudspeaker and drivers are working properly. In case of faults, the open collector output OUT ANM opens while the LED located on the sounder board shows the type of fault by making a certain number of flashes followed by a short pause (please see chart here below for FAULTS LED signalisation).

  • Page 6: Connection And Settings

    15° 100.8 104.5 45° 110.4 dB (LS) 75° 110.4 109.3 dB (L) 110.7 105° 135° 104.7 165° 100.8 HEMA L DIP3 in ON position dB (A) @1m Angle 15° 100.9 103.4 45° 75° 109.3 105° 110.1 104.0 135° 165° 101.2...

  • Page 7: Installation Suggestions

    WARRANTY All Venitem products are granted against factory or material defects. In order to improve design and quality of its products, Venitem reserves the right to modify the products without prior notice. All faulty or defective products must be returned to supplier.
  • Page 8 Product manufactured in Italy Venitem s.r.l. via del Lavoro, 10 30030 – Salzano (VE) – ITALY Tel. (+39) 0415740374 Fax (+39) 0415740388 E-mail: info@venitem.com website: www.venitem.com MA-SE-HE00-01-11 Manual HEMA eng rev11 Page 8 of 8...

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Hema lsHema lsp

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