RAPID RESPONSE Series LFII Residential Sprinklers
3.0 K-factor Pendent
Wet Pipe Systems
General
Description
The TYCO RAPID RESPONSE Se-
ries LFII Residential Pendent Sprin-
klers (TY1234) are decorative, fast
response, frangible bulb sprinklers
designed for use in residential occu-
pancies such as homes, apartments,
dormitories, and hotels. When aes-
thetics and optimized flow character-
istics are key considerations, the Se-
ries LFII (TY1234) should be the first
choice.
The 3.0 K-factor of the Series LFII
Residential Pendent Sprinkler has
been designed to optimize flows (that
is, to avoid over discharging) specifi-
cally for small coverage areas up to
14 ft. x 14 ft. (4,3 m x 4,3 m). The re-
quired residential flow rates can then
be delivered with the use of smaller
pipe sizes and reduced water supply
requirements.
The Series LFII Residential Sprinklers
are intended for use in the following
scenarios:
• wet pipe residential sprinkler sys-
tems for one-and two-family dwell-
ings and mobile homes per NFPA
13D
• wet pipe residential sprinkler sys-
tems for residential occupancies
up to and including four stories in
height per NFPA 13R
• wet pipe sprinkler systems for the
residential portions of any occupan-
cy per NFPA 13
IMPORTANT
Always refer to Technical Data
Sheet TFP700 for the "INSTALLER
WARNING" that provides cautions
with respect to handling and instal-
lation of sprinkler systems and com-
ponents. Improper handling and in-
stallation 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 4
The recessed version of the Series
LFII Residential Pendent Sprinkler is
intended for use in areas with finished
ceilings. 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 ceiling
position. The adjustment provided by
the Recessed Escutcheon reduces
the accuracy to which the pipe drops
to the sprinklers must be cut.
The Series LFII Residential Pendent
Sprinkler has been designed with heat
sensitivity and water distribution char-
acteristics proven to help in the con-
trol of residential fires and to improve
the chance for occupants to escape
or be evacuated.
NOTICE
The Series LFII Residential Pendent
Sprinklers (TY1234) described herein
must be installed and maintained in
compliance with this document and
with the applicable standards of the
National Fire Pro tection Association,
in addition to the standards of any au-
thorities 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
devices in proper operating condition.
The installing contractor or sprinkler
manufacturer should be contacted
with any questions.
APRIL 2013 REV A
Worldwide
Contacts
Sprinkler
Identification
Number (SIN)
TY1234
TFP402
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