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Chapter 2 - Principle of Operation, Page 2-15_________________________________________________
Internal Fire Mode – Cont.
Internal Fire Mode (Thermostat Activated)
Series
Baffle #1
Duct Collar Damper
Signal sent to
building fire
alarm system
(if wired)
CG3-UVi-SPC
Closes to Fire
Position
None
Yes
CG3-UVi-SPC-FDL Baffle Fixed
None
Yes
CG3-UVi-SPC-FDT Baffle Fixed
Closes if fuse link reaches
activation temp
Yes
CG3-UVi-SPC-FDD Baffle Fixed
Closes if fuse link reaches
activation temp
No Thermostat
CG3-UVi-SPC-ND Baffle Fixed
None
No Thermostat
Table T-2-15-1
Fire Detection
Thermostat - 250°F.
Baffle #1 Closed to the
Internal Fire Mode Position
Figure 2-15-1
Internal Fire Mode