Det-Tronics C7050 A, C, G, P UV Flame Detector - Manual (Page 17)

4. Output Latching/Non-latching — Rocker 4-1
closed — non-latching
open — latching
NOTE
The zone and fire logic outputs will latch when
turned on if rocker 4-1 is set open. The outputs are
de-latched by placing the keylock switch in the
RESET position.
5. Time Delay — Rockers 4-2 to 4-6
The output signals can be delayed as follows:
4-2 closed — 0.5 second
4-3 closed — 1 second
4-4 closed — 2 seconds
4-5 closed — 4 seconds
4-6 closed — 8 seconds
The total time delay is the added value of all closed
rockers. Rockers can be closed in any combination
for a time delay from 0 to 15.5 seconds in half sec-
ond increments. For no time delay, all rockers must
remain open.
Figure 18 shows the switch setting for a time delay
of 6 seconds.
System Layout
When the proper position for each of the rocker switches
has been determined, record this information carefully in
the space provided on the System Layout Chart (Figure
19). This chart is intended as an aid in system layout,
and also provides both a means of double checking
rocker switch positions before power is applied to the
controller and a record of rocker switch positions for
future reference.
Electrical Connections
All electrical connections are made to the field wiring
connector that is furnished with the controller. Figure 20
shows the terminal configuration for the controller.
Up to 16 detectors in 8 separate zones can be connect-
ed to the controller. Terminals A, B, and D on the detec-
tors must connect to the appropriate A, B, and D termi-
nals at the controller. Connect terminal C on the detector
to power supply negative (terminal 2) at the controller.
Connect the shields to terminal 64 (chassis ground) of
the controller. The shields should not be connected to
the detectors at any point. Connect a non-polarized
0.47 microfarad 250 vdc capacitor from terminal 64 to
terminal 2. This places the controller chassis and the
power supply negative at the same ac potential, minimiz-
ing the induction of noise into the system through the
detector wiring.
15 95-8242
8
7
6
5
4
3
2
OPEN
NOTE: THE VALUE OF ROCKERS SET IN THE CLOSED POSITION ARE ADDITIVE A0282
8 SECOND TIME DELAY
4 SECOND TIME DELAY
2 SECOND TIME DELAY
1 SECOND TIME DELAY
0.5 SECOND TIME DELAY
}
NOT USED
ROCKER 5 CLOSED = 4 SECONDS
ROCKER 4 CLOSED = 2 SECONDS
TOTAL TIME DELAY = 6 SECONDS
Figure 18—Time Delay Setting
SWITCH 1 DETECTOR 1
SWITCH 4 TIME DELAY
SWITCH 4
LATCHING/NON-LATCHING
ROCKER OPEN CLOSED
ROCKER OPEN CLOSED
ROCKER OPEN CLOSED
8
7
6
5
4
3
2
1
1
8
7
6 (8 SEC)
5 (4 SEC)
4 (2 SEC)
3 (1 SEC)
2 (.5 SEC)
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
OPEN SWITCH FOR EACH
DETECTOR CONNECTED
NOT USED
OPEN
OPEN
OPEN
OPEN
A0278
SWITCH 2 DETECTOR 2
ROCKER OPEN CLOSED
8
7
6
5
4
3
2
1
SWITCH 3 FIRE LOGIC
ROCKER OPEN CLOSED
8
7
6
5
SWITCH 3 SENSITIVITY
ROCKER OPEN CLOSED
4
3
2
1
THE POSITION OF ROCKER
NO. 8 DIVIDES THE SYSTEM
INTO TWO GROUPS OF FOUR
OR ONE GROUP OF EIGHT
SENSITIVITY COUNT
SELECTED WHEN ROCKER
IS IN "CLOSED" POSITION
{
{
NOT USED
SWITCHES CLOSED
ARE ADDITIVE
LATCHING – OPEN
NON-LATCHING – CLOSED
R7404 SIDE VIEW
Figure 19—System Layout Chart