Xtralis VESDA VLC-500, Руководство по установке

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VESDA VLC Installation Guide VESDA by Xtralis
20 www.xtralis.com
1
2
3
4
5
6
7
NO
C
NO
C
NO
C
NC
Terminal A
Fire
Pre-Alarm
Fault
7
8
9
10
11
12
13
NO
C
NO
C
NO
C
NC
Terminal A
Fire
Pre-Alarm
Fault
Terminal pin location for Model RO Terminal pin location for Model VN
Figure 6-11: Wire Connections Details for Relays
6.12 Terminating the Auxiliary Wires to the Termination Card
a. Refer to Figure 6-6 or Figure 6-7 for the Reset, LED and Bias terminals on the termination card for the RO
or VN model.
b. The function for these outputs are as follows:-
LED +/- This output terminal provides a maximum of 5V, 15mA via a 220 ohm
resistor to power a remote LED.
Bias +/- This output provides a 10V supply via a 1Kohm resistor to power the
remote Reset/Isolate switch when connected as per Figure 6-12.
Reset +/- This input terminal has three functions, (Mains OK, Standby and
Reset) and requires an input voltage supply between 5V to 24VDC to
operate.
c. Terminate the RESET, LED and Bias wires as per your site requirements or with reference to Figure 6-12
Switch
Closed Isolate
Open Reset
Figure 6-12: Wire Connection Details for Auxiliaries
6.13 Closing the VLC
a. Tie all wires together into neat looms using cable ties.
b. Reattach the front cover to the plastic tie and connect the
LED CARD connector to the socket on the
termination card if you have removed the cover and the connector.
c. Perform the power up as per Chapter 7 and preliminary checks as per Chapter 8.
d. Close up the VESDA VLC and secure the cover with the two screws.
6.14 Pipe Bonding Check
a. Check all the plastic pipe connecting joints are fully sealed and bonded with glue to eliminate unwanted
air leaks. If applicable, check all metal pipe joints are sealed.
b. Check the pipe joint at the air inlet to the VESDA VLC in not bonded and fits firmly into the air inlet
socket.
c. Check all pipes are securely attached to a mounting surface with the proper fasteners.
d. Check the number and sizes of the sampling air holes on the pipes are correct.
e. Check the routing of the pipes is correct with reference to the site plan.