Tyco RAPID RESPONSE LFII Series Instructions Manual

RAPID RESPONSE Series LFII Residential Sprinklers
5.8 K-factor Horizontal Sidewall, NFPA 13 Optimized
Wet Pipe Systems
General
Description
The TYCO RAPID RESPONSE Series
LFII (TY4334) Residential Horizontal
Sidewall Sprinklers are decorative, fast
response, frangible bulb sprinklers de-
signed for use in residential occupan-
cies such as homes, apartments, dor-
mitories, and hotels. When enhanced
flow characteristics for residential
portions of any occupancy per NFPA
13 is the major consideration, the Se-
ries LFII (TY4334) should be the first
choice.
When higher flow demands are re-
quired for residential sprinklers used
in an NFPA 13 design, the large 5.8
K-factor of the Series LFII (TY4334) is
an attractive choice. Although mostly
intended where residential sprinklers
are to be used in an NFPA 13 design,
the Series LFII (TY4334) can also be
used in wet pipe residential sprinkler
systems for one- and two-family dwell-
ings and mobile homes per NFPA 13D,
and wet pipe residential sprinkler sys-
tems for residential occupancies up to
and including four stories in height per
NFPA 13R.
The recessed version of the Series LFII
(TY4334) is intended for use in areas
with finished walls. It employs a two-
piece Style 20 Recessed Escutcheon.
The Recessed Escutcheon provides
1/4 inch (6,4 mm) of recessed adjust-
ment or up to 1/2 inch (12,7 mm) of to-
tal adjustment from the flush mounting
surface position. The adjustment pro-
IMPORTANT
Always refer to Technical Data
Sheet TFP700 for the "INSTALLER
WARNING" that provides cautions
with respect to handling
Installation of sprinkler systems and
components. Improper handling and
installation can permanently damage
a sprinkler system or its components
and cause the sprinkler to fail to
operate in a fire situation or cause it
to operate prematurely.
Page 1 of 6
vided by the Recessed Escutcheon re-
duces the accuracy to which the pipe
nipples to the sprinklers must be cut.
The Series LFII (TY4334) has been de-
signed with heat sensitivity and water
distribution characteristics proven to
help in the control of residential fires
and to improve the chance for occu-
pants to escape or be evacuated.
NOTICE
The Series LFII (TY4334) Residen-
tial Horizontal Sidewall Sprinklers de-
scribed herein must be installed and
maintained in compliance with this
document, as well as with the appli-
cable standards of the National Fire
Protection Association, in addition to
the standards of any other authorities
having jurisdiction. Failure to do so
may impair the performance of these
devices.
The owner is responsible for maintain-
ing their fire protection system and de-
vices in proper operating condition.
The installing contractor or sprinkler
manufacturer should be contacted
with any questions.
Sprinkler
Identification
Number (SIN)
TY4334
Technical
Data
Approvals:
UL and C-UL Listed
NSF Certified to NSF/ANSI 61
FM Approved
For details on approvals, refer to the
and Design Criteria section.
Maximum Working Pressure:
175 psi (12,1 bar)
Discharge Coefficient:
K = 5.8 GPM/psi
1/2
APRIL 2013
Temperature Rating:
155°F (68°C) or 175°F (79°C)
Finishes:
Signal White
Chrome Plated
Natural Brass
Physical Characteristics:
Frame . . . . . . . . . . . . . . . . . . . . Brass
Button. . . . . . . . . . . . . . . . . . . Bronze
Sealing Assembly. . . . . . . . .Beryllium
Bulb . . . . . . . . . . . . . 3 mm dia. Glass
Compression Screw. . . . . . . . Bronze
Deflector. . . . . . . . . . . . . . . . . . Brass
Ejection Spring . . . . . . Stainless Steel
(83,5 LPM/bar )
1/2
Nickel w/TEFLON
TFP417