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Fire Sprinkler System Plan
Innovated Fire
Sprinkler Systems
81 New Haven Lane
Port Angeles, WA.,
98362
(360) 452-7583
March 21,2006
For: Want Action Construction
P. O. Box 1425
. Sequim, WA. 98382
Location: 1411 Aurora Court
Port Angeles, WA., 98362
1~ V I1l:'VKAULIC CALCULATIONS.
W 0 r k she e t . For lit CPVC Pipe
Two heads require 26 gpm flow at designed pressure. [+ 5 gpm domestic u~
One head requires 18 gpm flow at designed pressure.
~
1. Pipe size = 11. , CPVC (friction loss. 1067).
2. Watet pressure at street (2) = 75 psi.
3. Meter friction loss (3) = OJ psi (see Table 4-4.3d NFPA 131
4. (2) 7 S minus (3) . c; (4) = ~ G psi remainir
5. Loss from street main to control valve = ~O feet X I .1067' , = (;, '10
feet (see friction loss chart).
6. (4) G G minus (5) G t f-I d' = (6) 5CJ I Go psi remainin<
7. Elevation loss (building & street) - I 2- feet X .434 = . .S. 2./ p~
8. (6) St. CP 0 minus (7) S",_2J - ~ '1. J 7 psi remainin
9. Total length of pipe from control valve to the farthest sprinkler = .so fe
X I .1067/ = S. 33 psi.
10. (8) . S '-It.] 0, minus (9) S~ :3 J lj 0; , Q e;. psi r~r:nalnln:
11. Equivalent length for valves and fittings(m~ter to farthest sprinkler f1ead):
Tvpe Number Equivalent
1 " T run S X II] = .5
1" T Branch 3 X m = } S
1 " 90 Elbo.W :J X [TI = 2 I
1" Coupling I X 0 = /
1" 45 Elbow 0 X [TI = 0
1 n Gate Valve I X [TI = }.
(11) Tot.al Feet L/3
12. Loss in fittings (11) <-I_"? feet X 1.1067 I = Lf, S Cj pSI
13. (10) Y7,OC; minus (12) t-/,S"c, = L/L//'f) .psiremaining.
14. PSI remaining (13) 'l/~'t'Jminus 3, 'i (loss in riser) parts = ~//,o 7 .
1'5. (14) Lf I, 0/ is more than the minimum design psi required for 2 or 1 sprinkler
heads operating.
Riser Parts
Potter flow switch 2.4 psi
Soft seat valve 1.0 psi
Needed Information:
Type of sprinkler head T c.-o L
GPM & pressure 1 st head /
GPM & pressure 2nd head 26'
3/4" water meter
FP-9C
Revised 5/29/91
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tqca IFire & Building
/ Products
Direct Sales (Central): Tel: (800) 523-65121 Fax: (215) 362-5385
Distribution Sales (GemlStar): Tel: (800) 558-52361 Fax: (800) 8n-1295
Technical Services: Tel: (800) 381-93121 Fax: (800) 791-5500
Series LFII Residential
Concealed Pendent Sprinklers, Flat Plate
4.2 K-factor
General
Description
The Series LFII (TY2596) Residential
Concealed Pendent Sprinklers are
decorative, fast response, fusible sol-
der sprinklers designed for use in resi-
dential occupancies such as homes,
apartments, dormitories, and hotels.
The cover plate assembly conceals the
sprinkler operating components above
the ceiling. The flat profile of the cover
plate provides the optimum aestheti-
cally appealing sprinkler design. In ad-
dition, the concealed design of the Se-
ries LFIl (TY2596) provides 1/4 inch
(6,4 mm) vertical adjustment. This ad-
justment reduces the accuracy to
which the fixed pipe drops to the sprin-
klers must be cut to help assure a
perfect fit installation.
The Series LFII are to be used in wet
pipe residential sprinkler systems for
one- and two-family dwellings and mo-
bile homes per NFPA 130; wet pipe
residential sprinkler systems for resi-
dential occupancies up to and includ-
ing four stories in height per NFPA
13R; or. wet pipe sprinkler systems for
the residential portions of any occu-
pancy per NFPA 13.
The Series LFII (TY2596) has a 4.2
(60,5) K-factor that provides the re-
quired residential flow rates at reduced
pressures, enabling smaller pipe sizes
and water supply requirements.
The Series LFII (TY2596) has been
designed with heat. sensitivity and
water distribution characteristics
proven to help in the control of residen- .
tial fires and to improve the chance for
occupants to escape or be evacuated.
The Series LFIl (TY2596) Residential
Concealed Pendent Sprinklers are
shipped with a Disposable Protective
Cap. The Protective Cap is temporarily
removed for installation, and then it
can be replaced to help protect the
sprinkler while the ceiling is being in-
Page 1 of 4
stalled or finished. The tip of the Pro-
tective Cap can also be used to mark
the center of the ceiling hole into pIas-
ter board, ceiling tiles, etc. by gently
pushing the ceiling product against the
Protective Cap. When the ceiling in-
stallation is complete the Protective
Cap is removed and the Cover Plate
Assembly installed.
WARNINGS
The Series LFII (TY2596) Residential
Concealed Pendent Sprinklers de-
scribed herein must be installed and
maintained in compliance with this
document, as well as with the applica-
ble standards of the National Fire Pro-
tection Association, in addition to the
standards of any other authorities hav-
ing jurisdiction. Failure to do so may
impair the integrity 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
relative to any questions.
Sprinkler/Model
Identification
Number
SIN TY2596
Technical
Data
Approvals:
UL and C-UL Listed.
Maximum Working Pressure:
175 psi (12,1 bar)
Discharge Coefficient:
K = 4.2 GPMlpsi1f.! (60.5 LPMlbar1f.!)
Temperature Rating:
160oF1710C Sprinkler with
1350F/SrC Cover Plate
.JULY, 2002
...
It-ll
Vertical Adjustment:
1/4 inch (6,4 mm)
Finishes:
Cover Plate:
Rat White. Bright White, Chrome, or
Custom
Physical Characteristics:
Body. . . . . . . . . . . .
Cap. . . . . . . . . . . . .
Saddle . . . . . . . . . . .
Sealing Assembly . . . . . .
. . . . . Beryllium Nickel wI Tenont
Soldered Link Halves . Nickel
Lever . . . . . . . . . . . . . Bronze
Compression Screw . . . . . . Brass
Deflector . . . .. ..... Bronze
Guide Arm Frame . . . . Bronze
Guide Arms . Stainless Steel
Support Cup . . . . Steel
Gover Plate .... .... Copper
Retainer . . . . . . . _ . . . . Brass
Cover Plate Ejection Spring ....
. . . . . . . . . . . . Stainless Steel
. Brass
Bronze
. Brass
tDuPont Registered Trademark
TFP440
.1
.Page 2 of 4
Operation
When exposed to heat from a fire, the
Cover Plate, which is normally sol-
dered to the Support Cup at three
points, falls away to expose the Sprin-
kler Assembly. At this point the Deflec-
tor supported by the Arms drops down
to its operated position. The fusible link
of the Sprinkler Assembly is com-
prised of two link halves that are sol-
dered together with a thin layer of sol-
der. When the rated temperature is
reached, the solder mells and the two
link halves separate allowing the sprin-
kler to activate and flow water.
Design
Criteria
The Series LFII (TY2596) Residential
Concealed Pendent Sprinklers are UL
and C-UL Usted for installation in ac-
cordance with the following criteria.
NOTE
When conditions exist that are outside
the scope of the provided criteria, refer
to the Residential Sprinkler Design
Guide TFP490 for the manufacturer's
recommendations that may be accept-
able to the Authority /-laving Jurisdic-
tion.
System Type. Only wet pipe systems
may be utilized.
Hydraulic Design. The minimum re-
quired sprinkler flow rate for systems
designed to NFPA 130 or NFPA 13R
are given in Table A as a function of
temperature rating and the maximum
allowable coverage areas. The sprin-
kler flow rate is the minimum required
discharge from each of the total
number of "design sprinklers" as speci-
fied in NFPA 130 or NFPA 13R.
For systems designed to NFPA 13, the
number of design sprinklers is to be
the the four most hydraulically de-
manding sprinklers. The minimum re-
quired discharge from each of the four
sprinklers is to be the greater of the
following:
· The flow rates given in Table A for
NFPA 130 and 13R as a function of
temperature rating and the maxi-
mum allowable coverage area.
· A minimum discharge of 0.1 gprnlsq.
ft. over the "design area" comprised
of the four most hydraulically de-
manding sprinklers for the actual
coverage areas being protected by
the four sprinklers.
Obstruction To Water Distribution.
locations of sprinklers are to be in
TFP440
'-1
Minimum Flow (b) and Minimum Row (b) Bnd
Maximum Maximum Residual Pressure Residual Pressure
Coverage Spacing For Horizontal Ceiling For Sloped CeIling
Area (a) Ft. (Max. 2 Inch Rise (Max. 8 Inch Rise
Ft. x Ft. (m) for 12 Inch Run) for 12 Inch Run)
(m x m)
1600Fm oC 160oFmoC
Sprinkler Sprinkler
12 x 12 12 13 GPM (49,2 LPM) 18 GPM (68,llPM)
(3,7 x 3,7) (3,7) 9.6 psi (0,66 bar) 18.4 psi (1,27 bar)
14 x 14 14 14 GPM (53,0 LPM) 18 GPM (68,lLPM)
(4,3 x 4,3) (4,3) 11.1 psi (0,77 bar) 18.4 psi (1,27 bar)
'/': 'TOx16 1 16 16 GPM (60,6 LPM) 18 GPM (68,1 LPM)
(4,9 x 4,9) (4,9) 14.5 psi (1,00 bar) 18.4 psi (1,27 bar)
'18x~ 18 20 GPM (75,7 LPM) N/A
(5,5 x 5,5) (5,5) 22.7 psi (1,57 bar)
2Ox2O 20 24 GPM (90,8 LPM) N/A
(6,1 x 6,1) (6,1) 32.7 psi (2,25 bar)
(a) For coverage area dimensions less than or between those indicated, it is
necessary to use the minimum required flow for the next highest coverage area
for which hydraulic design criteria are stated.
(b) Requirement is based on minimum flow in GPM (LPM) from each sprinkler. The
associated residual pressures are calculated using the nominal K-factor. Refer to
Hydraulic Design Criteria Section for details.
TABLE A
NFPA 130 AND NFPA 13R HYDRAULIC DESIGN CRITERIA
FOR THE SERIES LFII (TY2596)
RESIDENTIAL CONCEALED PENDENT SPRINKLER
accordance with the obstruction rules
of NFPA 13 for residential sprinklers.
Operational Sensitivity. The sprin-
klers are to be installed relative to the
ceiling mounting surface as shown in
Figure 3.
Sprinkler Spacing. The minimum
spacing between sprinklers is 8 feet
(2,4 m). The maximum spacing be-
tween sprinklers cannot exceed the
length of the coverage area (Ref. Table
A) being hydraulically calculated (e.g.,
maximum 12 feet for a 12 ft. x 12 ft.
coverage area, or 20 teet for a 20 ft. x
20 ft. coverage area).
Installation
The Series LFII (TY2596) must be in-
stalled in accordance with the follow-
ing instructions:
NOTES
Damage to the fusible Link Assembly
during installation can be avoided by
handling the sprinkler by the frame
arms only (i.e., do not apply pressure
to the fusible link Assembly).
A leak tight 1/2 inch NPT sprinkler joint
should be obtained with a torque of 7
to 14 fUbs. (9,5 to 19,0 Nm). A maxi-
mum of 21 tUbs. (28,S Nm) of torque
is to be used to install sprinklers.
Higher levels of torque may distort the
sprinkler inlet with consequent leak-
age or impairment of the sprinkler.
Do not allempt to compensate for in-
sufficient adjustment in an Escutcheon
Plate by under- or over-tightening the
Sprinkler. Readjust the position of the
sprinkler fitting to suit.
Step 1. The sprinkler must only be
installed in the pendent position and
with the centerline of the sprinkler per-
pendicular to the mounting surface.
Step 2. Remove the Protective Cap.
Step 3. With pipe thread sealant ap-
plied to the pipe threads, and using
the W- Type 18 Wrench shown in Figure
2, install and tighten the. Sprinkler/Sup-
port Cup Assembly into the fitting. The
W-Type 18 Wrench will accept a 1/2
inch ratchet drive.
Step 4. Replace the Protective Cap by
pushing it upwards until it bottoms out
against the Support Cup. The Protec-
tive Cap helps prevent damage to the
Deflector and Arms during ceiling in-
stallation and/or during application of
: . TFP440
Page 3 of 4
s
BODY
(112" NPl)
SEALING
ASSEMBLY
WRENCH
RECESS
CAP
SPRINKLER
WRENCHING
AREA
D
SADDLE
COMPRESSION
SCREW
PUSH WRENCH
IN TO ENSURE
ENGAGEMENT
WITH SPRINKLER
WRENCHING AREA
LEVER
FIGURE 2
W-TYPE 18
SPRINKLER WRENCH
GUIDE
ARM
GUIDE ARM
FRAME
I I
I I
I I
I I
I I
I I
I I
,.J L./ 'L.J l,
.....,..;--"""----""""-.......,
DEFLECTOR
(OPERATED
POSITlON)
SPRINKLER/SUPPORT CUP
ASSEMBLY
THREAD INTO
SUPPORT CUP
UNTIL MOUNTING
SURFACE IS
FLUSH WITH
CEILING
o
o
RETAINER
WITH THREAD
DIMPLES
EJECTION
SPRING
SOLDER
TABS (3)
COVER PLATE/RETAINER
ASSEMBLY
FIGURE 1
SERIES LFI/ (TY2596) RESIDENTIAL
CONCEALED PENDENT SPRINKLER
COVER
PLATE
FACE OF
SPRINKLER
FITTING
SPRINKlER-
SUPPORT CUP
ASSEMBLY
OPERATED
SPRINKLER
1-718".:t118"
(47,6 mm
.:t3.2mm)
COVER
PLATE
RETAINER
~
~
COVER- SPRINKLER-
RETAINER SUPPORT CUP
ASSEMBLY ASSEMBLY
3-114" DIA.
(82.6 mm)
=r'MOUNTING
3116" J SURFACE
(4,8mm)
718" (22.2 mm)
1-118" (28,6 mm)
1
TIP
DEFlECTOR IN
OPERATED POSITION
FIGURE 3
SERIES LFlI (TY2596) RESIDENTIAL CONCEALED PENDENT SPRINKLER
INSTALLA nON DIMENSIONS / PROTEcnVE CAP / ACTIVA TED DEFLECTOR
. .
.. ~age 4 of 4
the finish coating of the ceiling. It may
also be used to locate the center of the'
clearance hole by gently pushing the
ceiling material against the center
point of the Cap.
NOTE
As long as the protective Cap remains
in place, the system is considered to
be .Out Of Service".
Step 5. After the ceiling has been com-
pleted with the 2-1/2 inch (63 mm)
diameter clearance hole and in prepa-
ration for installing the Cover Plate As-
sembly, remove and discard the Pro-
tective Cap, and verify that the
Deflector moves up and down freely.
If the Sprinkler has been damaged and
the Deflector does not move up and
down freely, replace the entire Sprin-
kler assembly. Do not attempt to mod-
ify or repair a damaged sprinkler.
Step 6. Screw on the Cover Plate As-
. sembly until its flange comes in con-
tact with the ceiling.
Do not continue to screw on the Cover
Plate Assembly such that it lifts a ceil-
ing panel out of its normal position.
If the Cover Plate Assembly cannot be
engaged with the Mounting Cup or the
Cover Plate Assembly cannot be en-
gaged sufficiently to contact the ceil-
ing, the Sprinkler Fitting must be repo-
sitioned .
Care and
Maintenance
The Series LFII (TY2596) must be
maintained and serviced in accord-
ance with the following instructions:
NOTES
Absence of an Escutcheon Plate may
delay the sprinkler operation in a fire
situation.
Before closing a fire protection system
main control valve for maintenance
work on the fire protection system
which it controls, permission to shut
down the affected fire protection sys-
tem must be obtained from the proper
authorities and all personnel who may
be affected by this action must be no-
tified.
Sprinklers which are found to be leak-
ing or exhibiting visible signs of corro-
sion must be replaced.
Automatic sprinklers must never be
shipped or stored where the tempera-
ture will exceed 100oFI380C and they
must never be painted, plated, coated,
or otherwise altered after leaving the
factory. Modified or over heated sprin-
klers must be replaced.
Care must be exercised to avoid dam-
age - before, during, and after instal-
lation. Sprinklers damaged by drop-
ping, striking, wrench twisVslippage,
or the like, must be replaced.
The owner is responsible for the in-
spection, testing, and maintenance of
their fire protection system and de-
vices in compliance with this docu-
ment. as well as with the applicable
standards of the National Fire Protec-
tion Association (e.g., NFPA 25), in
addition to the standards of any other
authorities having jurisdiction. The in-
stalling contractor or sprinkler manu-
facturer should be contacted relative to
any questions.
NOTE
The owner 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.
It is recommended that automatic
sprinkler systems be inspected,
tested, and maintained by a qualified
Inspection Service.
Limited
Warranty
Products manufactured by Tyco Rre
Products are warranted solely to the
original Buyer for ten (10) years
against defects in material and work-
manship when paid for and properly
installed and maintained under normal
use and service. This warranty will ex-
pire ten (10) years from date of ship-
ment by Tyco Fire Products. No war-
ranty is given for products or
components manufactured by compa-
nies not affiliated by ownership with
Tyco Fire Products or for products and
components which have been subject
to misuse, improper installation, corro-
sion, or which have not been installed,
maintained, modified or repaired in ac-
cordance with applicable Standards of
the National Fire Protection Associa-
tion, andlor the standards of any other
Authorities Having Jurisdiction. Mate-
rials found by Tyco Fire Products to be
defective shall be either repaired or
replaced, at Tyco Fire Products' sole
option. Tyco Fire Products neither as-
sumes, nor authorizes any person to
assume for it, any other obligation in
connection with the sale of products or
parts of products. Tyco Fire Products
shall not be responsible for sprinkler
system design errors or inaccurate or
incomplete information supplied by
Buyer or Buyer's representatives.
TFP440
G
IN NO EVENT SHALL TYCO FIRE
PRODUCTS BE LIABLE, IN CON-
TRACT, TORT, STRICT LIABILITY OR
UNDER ANY OTHER LEGAL THE-
ORY, FOR INCIDENTAL, INDIRECT,
SPECIAL OR CONSEQUENTIAL
DAMAGES, INCLUDING BUT NOT
LIMITED TO LABOR CHARGES, RE-
GARDLESS OF WHETHER TYCO
FIRE PRODUCTS WAS INFORMED
ABOUT THE POSSIBILITY OF SUCH
DAMAGES, AND IN NO EVENT
SHALL TYCO FIRE PRODUCTS' LI-
ABILITY EXCEED AN AMOUNT
EQUAL TO THE SALES PRICE.
THE FOREGOING WARRANTY IS
MADE IN LIEU OF ANY AND ALL
OTHER WARRANTIES EXPRESS OR
IMPLIED. INCLUDING WARRANTIES
OF MERCHANTABILITY AND FIT-
NESS FOR A PARTICULAR PUR-
E!QSE..
Ordering
Procedure
When placing an order, indicate the full
product name. Contact your local dis-
tributor for availability..
Sprinkler Assembly:
Series LFII (TY2596), K=4.2, Residen-
tial Concealed Pendent Sprinkler with-
out Cover Plate Assembly,
PIN 51-122-1-160.
Cover Plate Assembly:
Cover Plate Assembly having a (spec-
ify) finish for the Series LFII (TY2596),
K=4.2, Residential Concealed Pen-
dent Sprinkler, PIN (specify).
Chrome..... .... ......... PIN 56-122-9-135
Bright White............... PIN 56-122-4-135
Rat White..... ........... PIN56-122-5-135
Custom...... ... ....... .. PIN 56.122-X-135
Sprinkler Wrench:
Specify: W-Type 18 Sprinkler Wrench,
PIN 56-000-1-265.
TYCO ARE PROOVCTS. 451 North Cannon Avenue, Lansdale, Pennsylvania 19446
'.
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(~1POTIER
@
BELLS
PBA-AC & PBD-DC
Potter Electric Signal Company
2081 Craig Ad./P,O. Box 28480
St. Louis, MO 63146
(314)878~321/(800) 325-3936
.lfE\;;~i::;:::,' ~~Jj~t~J:; :~.
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6" BELL SHOWN
Potter Electric Signal & Mfg. L TO -
1967 Leslie Street .
Don Mills, Ontario. Canada M382M3
(416) 441-1833
UL LISTED. FM APPAOVED
Sizes Avallable:~ 8". and 10"
Voltages Available:
~
20VA
12VOC (102 to 15.6) Polarized
24VOC (20.4 fa 312) Polarized
ServIce Use: Fire Alarm
General Signaling
Burglar Alarm
Environment: Indoor or Outdoor Use (See Note 1)
-400 to lsooF (outdoor use require
weatherproof backbox)
TermInation: 4 No. 18 AWG stranded wires
Finish: Aed powder coating
Optional: ModeIBBK-l weatherproof backbox
"hese vibrating type bells are designed for use as fire. burglar. or general signaling devices. They have low power
onsumption and high decibel ratings. The unit mounts on a standard 4. square electrical box for indoor use. or on a model
tBK-l weatherproof backbox for outdoor applications:
ALL DC BELLS ARE POLARIZED AND HAVE BUILT-IN TRANSIENT PROTECTION:
SIZE VOLTAGE MOOEl. NO. STOCK NO. CURRENT (MAX) TYPICAL dB MINIMUM dB
o 10 FT. o 10 FT.
6 12VOC PaO 126 1706012 .12A 85 75
8 12VQC PaOl28 1706012 .12A 90 75
10 12VQC PB01210 1710012 .12A 92 75
6 24VQC PB0246 170602<1 .06A 87 75
8 24VQC PB0248 170602<1 .06A 91 79
10 24VQC PB02410 1710024 .06A 94 79
6 24VAC PaA246 180602<1 .17A 91 75
8 24VAC P8A248 180602<1 .17A 94 75
. 10 2<1VAC PaA2410 181002<C .17A 94 75
, 6 120V AC PaA 1206 1806120 .OSA g2 62
8 120V AC PeA 1206 1806120 .OSA 119 82
10 120VAC PBA12010 1610120 .OSA 99 85
eatherproof backbox model 881<.1 Stk. No. 1500001.
Ccs:
U4nimumCl6 ''''''-9$ aie c..lc.....",.,,, It"", ;oc"9'aled o.ound pt..ssu.... meu....~ made a, Undetwfil..... Labota,o<ies as ~<I.... Ul SlancUtd 464. UL
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)otte.- Electric Signal Company
~081 Crnig Road. P.O. Box 28480
it. Louis, MO 63146-4161
314) 878-4321 . (800) 325-3936
Cf)
VSR-SF
FOR SMALL PIPE VANE lYPE WATERFLOW
ALARM SWITCH WITH RETARD
Potte.- Elect.-ic Signal & Mfg. L TO
1967 Leslie St.-eet
Don Mills, Ontario, Canada M382M3
(416) 441-1833
"
;TK. NO. 1113000
I.S. PAT. NO. 3921989, CANADIAN PAT. NO. 1009680
)THER PATENTS PENDING.
UL., ULC, CSFM USTED and NYMEA ACCEPTED
Service Pressure: Up to 250 PSI
Minimum Row Rate for Alarm: 10 GPM
Maximum Surge: 18 FPS
Enclosure: 0ie<aSt. red enamel finish
Cover held In place with tamper resistant SCfews
Contact Ratings: 2 sets of SPOT (Focm C)
15.0 Amps at 125f250 VAC
2.0 Amps at ()..3() VDC
Conduit Entrances: 2 knockouts provided fof 1/Z' conduit
Usage: Usted Plastic. Copper and Schedule 40 lroo Pipe
Fits pipe sizes - 1", 11/4", and 1 112"
Note: 8 paddles are furnished with each unit. one for each
pipe size of threaded or sweat TEE. one for 1" CPVC,
and one for 1112" potybutylene (CTS..coppertubing size)
Environmental Specifications:
Suitable for indoor or outdoor use with factory installed
gasket and diEH;ast housing.
NEMA4 Rated Enclosure-usewithappropriate conduit fining.
Temperature Range: 40" F/120" F (4.5" C/49" C)
Caution: This device is not intended for appfications in
explosive environments
Service Use:
Automatic Sprinkler NFPA-13
One or two family dweUing NFP A-13D
Residentiafoccupancy up to four stories NFP A-13R
National Fire Alarm Code NFPA-72
Optional: Cover Tamper Switch. ortler SIk. No. 0090018
he Model VSR-SF is a vane type waterftow switch lor use on wet
:>rinlder systems that use 1", 1 1/4", or 1 112' pipe size. The unit
laY also be used as a sectional watefflow detector on targe
(Stems. .
he unit contains two single pole double throw soap action
Hitches and an adjustable, instantly recyding pneumatic retard.
he switches are actuated when a flow of 10 gallons per minute or
.()("e occurs downstream of the device. The flow condition must
ICist for a period or time OC<:essary to overcome the selected retard
~riod.
1ST At-LA TION: 1hese devices may be mounted in horizontal or
~rti<:al pipe. On horizontal pipe they should be installed on the top
de or the pipe where they will be accessible. The units should not
~ installe<f within 6" of a valve, drain or fitting which changes the
rectioo or the waterflow. 1he unit has a 1" NPT bushing for
reading into a non~rrosive TEE. See Fig. 2 for pcoper TEE
ze. type and installation.
':Xew the device into the TEE fitting as shown in Fig. 2. Care must
, taken to propef1y orient the device for the direction of waterflow.
The vane must not rub the inside 01 the TEE or bind in any way.
The stem should move freely when operated by hand.
The device can also be used in copper or plastic pipe installations
with the proper adapters so that the specified TEE fining may be
installed on the pipe run.o
INSPECTION AND TESTING: Ched< the operation of the unit by
opening the inspecto( test valve al the end of the sprinkfer tine or
the drain and test connection. if an inspecto(s test valve is not
provided.
If there are no provisions for testing the operalion or the flow
. detection device on the system. application of the VSA-SF is not
recommended or advisable
The frequency of the inspection and testing and its associaled
protective monitoring system should be in accoo:1ance with the
appflCable NFPA Codes and Standards and/or authority having
jurisdictioo (manufacturer recommends quartef1yor more
frequently).
RImED IN USA
PAGE 1 OF 2
.MKT. .8800003 - REV J
MFG. .S400802 - 8195