Arton ARTON-DL Manuale d'uso - Pagina 3
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Stampa la pagina4.1 The detector is an automatic optical electronic device providing electronic and
visual alarm when smoke appears in the space between Rx and Tx.
4.2 Each unit, transmitter and receiver, is a construction consisting of the housing
and a mounting bracket where functional units of Rx and Tx and external interface units
(EIU‐1 and EIU‐1.1) are located. There are also holes on the bracket intended to fix
detector's units.
4.3 Indicators and optical system window are located on front panels of Rx and Tx.
The RANGE and CALIBRATION switches are located on the rear panel of Rx. The slot for
access to the sensitivity adjustment screw is located on the side surface of Rx. An
additional indicator of CALIBRATION mode is on EIU‐1.1.
The pressed position of the Range button switch corresponds to the range "0"
(distanse up to 30 m), the unpressed position of the Calibration switch corresponds to
CALIBRATION mode.
4.4 To see how the detector is designed, mounting dimensions, controls and
indication of Tx and Rx please refer to Figure 1a and Figure 1b correspondingly.
4.5 The wiring diagram for checking of the detector's units operation without
alignment is shown on Figure 2. The wiring diagram for the detector to 2‐wire DC loop to
FACP is shown on Figure 3. The wiring diagram for the detector to 4‐wire loop to FACP via
MUSH‐DL module is shown in Figure 4. The wiring diagram for the detector to 4‐wire loop
to AC FACP via MUSH‐DL module is shown in Figure 5.
5 HOW TO PREPARE THE DETECTOR FOR OPERATING
5.1 After receiving your detector it should be unpack and the kit's content should
be checked. Allow the detector to stay packed in the room for at least 4 hours if the
detector was exposed to negative temperatures before opening. Inspect the exterior.
Make sure that seals are intact and not visibly damaged (cracks, dents). If the detector
was damaged while shipped or not operates properly, report the manufacturer within 5
days.
5.2 Checking the receiver for proper operation
5.2.1 Unpress the RANGE button switch, press the CALIBRATION switch.
5.2.2 Connect Rx to a 20‐30 V DC power source as shown on Figure 5. Both LEDs on
Rx shall pulse at different intervals between pulses (0.5 sec and 2 sec). The indicator on
EIU‐1.1 Rx shall be steadily lit.
5.2.3 Set the RANGE switch into the pressed position. The state of LEDs shall not
change.
5.2.4 Set the RANGE switch into the unpressed position. The indicator on EIU‐1.1
shall extinguish. In not longer than 10 sec the right indicator of Rx will be lit.
5.2.5 Disconnect the transmitter from the power supply source.
5.3 Checking the transmitter for proper operation
5.3.1 Connect the transmitter to a 20‐30 V D.C. power source as drawn on Figure 5
in series through the 51 Ohm resistor in plus wire. Both LEDs shall synchronically pulse 10
times once every second.
5.3.2 Disconnect the transmitter from the power supply.
4 DESIGN AND PRINCIPLES OF OPERATION