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•
Set the Timer option on the GSA-IO module for the
amount of time required for the damper actuator to
open or close, whichever is greater, but not more
than 75 seconds.
Figure 24: Typical damper control and monitor circuit
24VDC+
24VDC-
K2
VM-1 Smoke Management Application Guide
+
47K EOLR
(2)
8
7
CT1
4
3
2
1
SLC_IN+
SLC_IN-
•
At startup, activate GSA-IO module (item 4).
HVAC SYSTEM
CONTROLS
K1
+
L
(3)
(4)
7
8
6
5
IO
4
3
2
1
Chapter 2: Smoke control system hardware
(1)
N
47K EOLR
47K EOLR
7
8
6
5
IO
4
3
2
1
SLC_OUT+
SLC_OUT-
L
N
E
OPEN
CLOSED
39
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