TFP410
Page 9 of 10
Installation
The RAPID RESPONSE Series LFII
Residential Horizontal and Recessed
Horizontal Sidewall Sprinklers (TY1334)
must be installed in accordance with
the following instructions.
NOTICE
Do not install any bulb type sprinkler if
the bulb is cracked or there is a loss of
liquid from the bulb. With the sprinkler
held horizontally, a small air bubble
should be present. The diameter of the
air bubble is approximately 1/16 inch
(1,6 mm).
Obtain a leak-tight 1/2 inch NPT
sprinkler joint by applying a minimum
to maximum torque of 7 to 14 ft. lbs.
(9,5 to 19,0 Nm). Higher levels of torque
can distort the sprinkler Inlet with
consequent leakage or impairment of
the sprinkler.
Do not attempt to compensate
for insufficient adjustment in an
Escutcheon Plate by under- or over-
tightening the Sprinkler. Re-adjust the
position of the sprinkler fitting to suit.
Series LFII Residential Horizontal
Sidewall Sprinklers
The Series LFII Residential Horizontal
Sidewall Sprinklers must be installed
in accordance with the following
instructions.
1. Install horizontal sidewall sprinklers
in the horizontal position with their
center-line of waterway perpen-
dicular to the backwall and parallel
to the ceiling. The word “TOP” on
the Deflector is to face towards the
ceiling with the front edge of the
Deflector parallel to the ceiling.
2. With pipe-thread sealant applied to
the pipe threads, hand-tighten the
sprinkler into the sprinkler fitting.
3. Tighten the sprinkler into the
sprin-
kler fitting using only the W-Type 6
Sprinkler Wrench. (Figure 3). With
reference to Figure 1, apply the
W-Type 6 Sprinkler Wrench to the
wrench flats.
Series LFII Residential Recessed
Horizontal Sidewall Sprinklers
The Series LFII Residential Recessed
Horizontal Sidewall Sprinklers must
be installed in accordance with the
following instructions.
1. Install recessed horizontal sidewall
sprinklers in the horizontal position
with their center-line of waterway
perpendicular to the backwall and
parallel to the ceiling. The word
“TOP” on the Deflector is to face
towards the ceiling.
2. After installing the Style 20
Mounting Plate over the sprin-
kler threads and with pipe-thread
sealant applied to the pipe threads,
hand-tighten the sprinkler into the
sprinkler fitting.
3. Tighten the sprinkler into the sprin-
kler fitting using only the W-Type 7
Recessed Sprinkler Wrench (Figure
4). With reference to Figure 1, apply
the W-Type 7 Recessed Sprinkler
Wrench to the sprinkler wrench
flats.
4. After the ceiling has been installed
or the finish coat has been applied,
slide on the Style 20 Closure over
the Series LFII Residential Sprinkler
and push the Closure over the
Mounting Plate until its flange
comes in contact with the ceiling.
Care and
Maintenance
The RAPID RESPONSE Series LFII
Residential Horizontal and Recessed
Horizontal Sidewall Sprinklers (TY1334)
must be maintained and serviced
in accordance with the following
instructions.
NOTICE
Before closing a fire protection system
main control valve for maintenance
work on the fire protection system
that it controls, obtain permission to
shut down the affected fire protection
systems from the proper authorities
and notify all personnel who may be
affected by this action.
Absence of the outer piece of an
escutcheon, which is used to cover
a clearance hole, can delay sprinkler
operation in a fire situation.
Owners must assure that the sprin-
klers are not used for hanging of any
objects and that the sprinklers are only
cleaned by means of gently dusting
with a feather duster; otherwise, non-
operation in the event of a fire or inad-
vertent operation may result.
Exercise care to avoid damage to
sprinklers before, during, and after
installation. Never paint, plate, coat,
or otherwise alter automatic sprinklers
after they leave the factory.
Replace sprinklers that:
• were modified or over-heated.
• were damaged by dropping, striking,
wrench twisting, wrench slippage, or
the like.
• are leaking or exhibiting visible signs
of corrosion.
• were exposed to corrosive products
of combustion but have not operated,
if you cannot easily remove combus-
tion by-products with a cloth.
• have a cracked bulb or have lost
liquid from the bulb. Refer to the
Installation section in this data sheet.
Initial and frequent visual inspections of
random samples are recommended for
corrosion-resistant sprinklers to verify
the integrity of the corrosion-resistant
material
of construction. Thereafter,
annual inspections per NFPA 25 should
suffice.
Inspections of corrosion-resistant
sprinklers are recommended at close
range, instead of from the floor level
per NFPA. Inspection at close range
can better determine the exact sprinkler
condition and the long-term integrity of
the corrosion-resistant material, which
can be affected by the corrosive condi-
tions present.
Responsibility lies with the owner for
the inspection, testing, and mainte-
nance of their fire protection system
and devices in compliance with this
document, as well as with the appli-
cable standards of the National Fire
Protection Association (that is, NFPA
25), in addition to the standards of any
authorities having jurisdiction. Contact
the installing contractor or sprinkler
manufacturer regarding any questions.
Automatic sprinkler systems are recom-
mended to be inspected, tested, and
maintained by a qualified Inspection
Service in accordance with local
requirements and/or national codes.
