Chapter 2: Installation
28 GSA-REL Technical Reference Manual
Power supplies” on page 7 for a list of compatible power supplies.
[10] Zone relay output. Power-limited when connected to a power-limited
source. If nonpower-limited, maintain 1/4 inch (6.4 mm) separation.
Otherwise, use FPL, FPLR, or FPLP in accordance with the National
Electric Code (NEC). Class E
[11] Listed service disconnect station. Must be rated for regulated applications
and 2A at 24 VDC. See Figure 13 below for details on supervision of the
service disconnect station.
[12] Not used in preaction or deluge sprinkler systems.
[13] Ten Releasing Modules per loop, max.
[14] Class A required for FM-listed deluge or preaction systems.
[15] Compatible notification appliances as specified in the panel
documentation. Configurable horns must be set for steady operation.
16. Installations that include other wiring require FPL, FPLR, FPLP, or
equivalent NEC-approved wiring for all power-limited wiring.
Figure 13: Supervision of the service disconnect switch
RELA-SRV-1
()
()
DATA OUT to
next device
Releasing Module TB4
47 k
EOLR
Ω
7
8
1234
()
()
DATA IN from
previous device
Model: CT1
Device type: Supervisory
Personality: (3) Active B
Text 1: REL1 RELEASE 1
Text 2: DISCONNECT SW
Active
Normal
1 2 3 4
1
2 3 4
RELA-EOL
Second releasing
circuit or 47 k
EOLR
Ω
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