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Figure 1 Figure 2
<br /> Model LF PendeM (bottom view) Model LF Recessed Pendent
<br /> LF'/e" Residential Pendent and Recessed Pendent LF'/e" Residential Pendent and Recessed Pendent
<br /> � � , , �\ -\ Sprinkler Design Requirements 155°F Sprinkler Design Requirements 175°F
<br /> i i ' r�w+A.�o�. % � ) ' Minimum Desi n Flow � Minimum Design Flow
<br /> / \ � 21M'AYtaA�nOWnMM �
<br /> ` ' Coverage Two or More Coverage� Two or More
<br /> �'- i ���,� '� i F�d Area i One Sprinkler Sprinklers Area ' One Sprinkter Sprinklers �
<br /> F���� i i �0�0�"'� ; ; � 12'x 12' i 10 GPM(11.1 psi) �8 GPM(7.1 psi) 12'x 12' i 10 GPM(11.1 psi) 8 GPM(7.1 psi)
<br /> �-- --� � � 14'x 14' 10 GPM(11.1 psi) ; 8 GPM(7.1 psi) 14'x 14' ' 12 GPM(16.0 psi) 8.5 GPM(8.0 psi)
<br /> `- '� 16'x 16' I 10 GPM(11.1 psi) �8 GPM(7.1 psi) 16'x 1C� I 12 GPM(16.0 psi) ',8.5 GPM(8.0 psi)
<br /> ���W`r+. 18'x 18' I 14 GPM(21.8 psi) i 10.5 GPM(12.3 psi) 18'x 18' i 15 GPM(25.0 psi) 10.5 GPM(12.3 psi)
<br /> ,� 2 t� 20'x 20' 16 GPM(28.4 psi) I 13.5 GPM(20.3 psi) 20'x 20' � 16 GPM(28.4 psi) 13.5 GPM(20.3 psi)
<br /> t t 7hE• �; ���) s�' qtiy,a �„� Del/ector distance from recessed up to 4'below Ceiling. Dellector distance irom recessed up to 4"below ceiling.
<br /> (a2.9 rmn) � tu e.ro
<br /> Ref. �wo►tm
<br /> � � rsnewa
<br /> ■ Step 2. Use only a non-hardening Caution: Special care must be
<br /> Instal lat�on pipe joint compound or Teflon" tape. taken when installing sprinklers with a
<br /> Apply only to male threads. CPVC system. Sprinklers must be
<br /> •Terion�s a trademark or tne�uPont cor�. installed after the manufacturer's
<br /> rL. +�,� ,� recommended setting time for the
<br /> � �sn�r.�o.2�,�,► _I ,,,.. All Central Model LF Automatic Step 3. Install the sprinkler according primer and cement to ensure that
<br /> �� o�•m.�« -- Sprinklers must be installed to the dimensions shown in the neither accumulate within the
<br /> Note: Central�s nnodei ss or 407 escutcheons may be used. When according to current NFPA 13, installation diagrams on page two. sprinkler. .
<br /> using Central's Model 65 ceiling escutcheon,the face of the Note:Only the Mode�GB Res./OA Recessed Escutcheon may be used. NFPA 13D 3nd NFPA 13R Install the escutcheon skirt onto the Special care must be taken when
<br /> reducing coupling should be'/:±'!,."below ceiliny,jine. Substitution of other"recessed"escutcheons may impair the operating
<br /> Se�s;t;,,;h a�d d;g,�b,,,;a�Pattem. requirements and Central's sprinkler prior to its engagement into installing with a copper system.
<br /> Residential Installation Guide. the reducing fitting. For recessed Sprinklers must be installed only after
<br /> Deviations from these requirements applications, do not use the push-on the inside of the sprinkler drop and
<br /> and standards or any alteration to escutcheon plate to hold the unit in associated fittings have been wire
<br /> the sprinkler itself will void any position. The sprinkler will only brushed to remove any flux. Residual
<br /> warranty made by Central Sprinkler function properly when anchored to flux can cause corrosion and in
<br /> � ) Company. In addition, installation the building structure. extreme cases can impair proper
<br /> Figure 3 - must also meet local government sprinkler operation.
<br /> Model LF Extended Pendent provisions, codes, and standards as Step 4. Hand tighten the sprinkler
<br /> applicable. into the fitting. Then use a Central Care &
<br /> LF'/." Residential Extended Pendent Sprinkler 3 v2.Ma� The System piping must be GB-20 Wrench to tighten the unit into
<br /> Design Requirements 155°F and 175°F � 2�ia•nn�r,. - properly sized to ensure the the fitting. A leak-tight joint requires Maintenance
<br /> I Minimum Desi n Fiow minimum required flow rate at the only 7 to 14 ft.-Ibs. of torque; a
<br /> coverage� , i Two or More � sprinkler. tangential force of 14 to 28 Ibs.
<br /> Area j One Sprinkler i Sprinklers
<br /> �2�x�2� � 11 GPM(13.4 psi) i g GPM(7.1 psi) Check for the proper model, style, delivered through a 6" handle will Sprinklers must be handled
<br /> 14�x�a' 12 GPM(16.0 psi) �9 GPM(9.0 psi) orifice size, and temperature rating deliver adequate torque. Torque carefully. They must not be trans-
<br /> prior to installation. Install levels over 21 ft.-Ibs. may distort the ported or stored where ambient
<br /> �s�X�s� ia�PM�2i.a ps�> � io.s GPnn��2.s psi) sprinklers after the piping is in place orifice seal, resulting in leakage. temperature may exceed 100°F/
<br /> is�x is' 14 GPM(21.8 psi) i 12 GPM(16.0 psi) to avoid mechanical damage; 38°C. For best results, store them in
<br /> 20'x 20' i is GPM(28.a psi) ! i5 GPM(25.o psi) Finished e eiling replace an dama ed units. Wet GB-20 Sprinkler Wrench
<br /> y 9 (Part#1125) � a cool, dry location in the original
<br /> DeAecror distance extended 4-ro e-be�o�u►►y. pipe systems must be protected shipping package.
<br /> from freezing. �,� � : , � -= � - Do not install sprinklers that have
<br /> . .e���lCYi
<br /> u,.$`� '�� � �.�
<br /> Upon completion of the :�,.�4 � �.--.r �,;�.„�*�..- been dropped or visibly damaged.
<br /> l 6'Max. �`"v.�r'ti.�i �'.
<br /> / 33/4•M��. installation, the system must be :�,� � ; Sprinklers should never be painted,
<br /> � tested per recognized standards. In ����`' � coated, plated, or attered in any
<br /> 399 the event of a thread leak, remove `;h ' � other way from manufactured
<br /> Escutcheon the unit, apply new pipe joint �' � ""' condition or the ma not tunction
<br /> 399 Escutcheon ��of compound or tape, and reinstall. ;��� Y y
<br /> � ; properly. Any sprinklers altered in
<br /> � Finish Pa # Reduang .,, ��. such manner must be replaced.
<br /> Brass 1287 cou u� Installation Sequence � , _. The owner is responsible for the
<br /> � • �"� proper operating condition of all fire
<br /> Chrome 1286 � -
<br /> Step 1. The unit must be installed -;�'�� protection devices and accessories.
<br /> White 1288 .� � = � ,:� . .
<br /> Off-White 1290 > »��s• in the Pendent position. :�,�..M � The NFPA standard 25 entitled,
<br /> � .. n r :�.
<br /> :; 1� �a� , ,� ='' "Mspection, Testing and Mainte-
<br /> � =� ;�.`-.., � " -�� nance of Water-Based Fire Protec-
<br /> Y ��'�° tion Systems", contains guidelines
<br /> .:..;: _ _ . * .. __
<br /> and minimum maintenance require-
<br />
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