Tyco G1 Manual

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Model G1, G4 Sprinkler Guards and
Model G1/S1, G4/S3 Guards with Shields for
Series TY-B, TY-FRB, TY-L, and TY-FRL Sprinklers
General
Description
TYCO Model G1 and G4 Sprinkler
Guards are designed for use with
specific types of Series TY-B, TY-FRB,
TY-L, and TY-FRL Sprinklers that may
be located in areas that make them
susceptible to mechanical or physical
damage. Table A provides compatibility
details.
Model G1/S1 and G4/S3 Sprinkler
Guards with Shields (Figure 2), in
addition to providing protection from
mechanical or physical
protects the sprinkler from water
spray of higher elevation sprinklers (for
example, rack storage sprinkler instal-
lations). When the Model G1/S1 and
G4/S3 are used with the Series TY-
B, TY-FRB, TY-L, and TY-FRL Sprin-
klers shown in Table A, the assemblies
form Upright Intermediate Level Sprin-
klers intended for use in fire sprinkler
systems designed in accordance with
the standard installation rules recog-
nized by the applicable Listing agency
(that is, UL Listing is based on NFPA
requirements).
• Model G1 and G4 Guards are a re-
designation for the Gem F938 and
F937 respectively.
• Model G1/S1 and G4/S3 Guards are a
re-designation for the Gem F938/Q-76
and F937/Q-75 respectively.
NOTICE
Model G1 and G4 Sprinkler Guards
and Model G1/S1 and G4/S3 Sprinkler
Guards with Shields described herein
must be installed and maintained
in compliance with this document
and with the applicable standards of
the National Fire Protection Asso-
ciation, in addition to the standards
of any Authorities Having Jurisdiction.
Failure to do so may impair the perfor-
mance of these devices.
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Owners are responsible for maintaining
their fire protection system and devices
in proper operating condition. The in-
stalling contractor or sprinkler manu-
facturer should be contacted with any
questions.
Technical
Data
Approvals
UL and C-UL Listed
FM Approved
Refer to Table A.
damage,
Finishes
Red Painted and Zinc Chromate
Physical Characteristics
Welded assembly fabricated from
carbon steel
Design
Criteria
In accordance with the requirements
of the NFPA, sprinkler guards shall be
listed. Guards are only listed for use
with specified sprinklers; therefore, the
Model G1, G4, G1/S1, and G4/S3 must
only be used with the Series TY-B,
TY-FRB, TY-L, and TY-FRL Sprinklers
shown in Table A.
MAY 2011 TFP780