CENTRAL tyco CHEC User manual

General
Description
The 8.0 K-factor, Model CHEC (Con-
cealed Horizontal Extended Cover-
age), Quick Response Light Hazard,
Sidewall Sprinklers are decorative, 3
mm bulb type sprinklers featuring a
unique cover plate designed to con-
ceal the sprinkler. It is the best choice
for architecturally sensitive areas such
as dormitories, hotel rooms, reception
areas, office buildings, banquet facili-
ties, conference rooms, and hospitals.
The soft contour of the cover plate
optimizes a low profile while blending
in with surrounding surfaces. The
plate, while maintaining a fast re-
sponse sensitivity has been specifi-
cally designed without vent holes to
increase its aesthetic appeal while
helping to avoid objects from being
hung from the sprinkler (i.e., garment
bags, clothes hangers, etc.) that might
otherwise cause an inadvertent opera-
tion.
They are designed for installation
along a wall or the side of a beam and
beneath a smooth and level ceiling.
Horizontal sidewall sprinklers are com-
monly used in lieu of pendent or up-
right sprinklers because of aesthetics
or building construction considera-
tions where piping across the ceiling is
not desirable.
They are intended for use in automatic
sprinkler systems designed in accord-
ance with standard installation rules
(e.g., NFPA 13) for light hazard occu-
pancies. The fast response thermal
sensitivity rating of the Model CHEC
Sprinklers provides for a quick re-
sponse extended coverage rating up to
a 16 ft. x 22 ft. coverage area.
Each unit includes a Cover Plate As-
sembly that conceals the sprinkler op-
erating components. The separable
two-piece design of the Cover Plate
and Support Cup Assemblies allows
installation of the sprinklers and pres-
sure testing of the fire protection sys-
tem prior to the installation of the wall
or application of a finish coating.
Also, the separable “push-on and
thread-off” two-piece design of the the
Sprinkler provides for 1/2 inch (12,7
mm) of horizontal adjustment.
The Model CHEC Sprinklers are
shipped with a Protective Cap. The
Protective Cap is temporarily removed
for installation, and it can be replaced
to help protect the sprinkler while the
wall is being plastered, wallpapered,
or painted. When the wall installation is
complete the Protective Cap is re-
moved and the Cover Plate Assembly
installed.
WARNINGS
The Model CHEC (Concealed Hori-
zontal Extended Coverage), Quick
Response Light Hazard, Sidewall
Sprinklers described herein must be
installed and maintained in compli-
ance with this document, as well as
with the applicable 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 integ-
rity 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
Identification
Number
TY4332 - ECLH HSW, 8.0K, 3/4"NPT
Technical
Data
Approvals
UL and C-UL Listed.
(The listings apply only to the service
conditions indicated in the Design Cri-
teria section.)
Maximum Working Pressure
175 psi (12,1 bar)
Discharge Coefficient
K=8.0GPM/psi
1/2 (115,2 LPM/bar1/2)
Temperature Ratings
135°F/57°C Sprinkler with 135°F/57°C
Cover Plate
155°F/68°C Sprinkler with 135°F/57°C
Cover Plate
Adjustment
1/2 inch (12,7 mm)
Finish
Cover Plate: Bright White or Chrome
Plated. (Custom colors other than
white are available on special re-
quest.)
Physical Characteristics
Frame ............ Bronze
Button ........Bronze/Copper
Button Spring . . . . Stainless Steel
SealingAssembly ..........
. . . . . . Beryllium Nickel w/Teflon†
Bulb, 3 mm Diameter . . . . . Glass
Model CHEC — 8.0 K-factor
Concealed Horizontal Extended Coverage
Quick Response Light Hazard, Sidewall Sprinklers
Page 1 of 6 TFP265
JANUARY, 2003
Technical Services: Tel: [phone] / Fax: [phone]
Customer Service/Sales:
Tel: [phone]
Fax: [phone]
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Deflector ............Brass
Compression Screw . . . . . Bronze
SupportCup .......... Steel
Retainer ............Brass
Cover Plate . . . . . . . . . . . Brass
Cover Plate Ejection Spring . . . . .
............StainlessSteel
Patents
Patents are pending.
Operation
When exposed to heat from a fire, the
Cover Plate, which is soldered to the
Retainer at three points, falls away to
expose the Sprinkler Assembly.
The glass Bulb contains a fluid that
expands when exposed to heat. When
the rated temperature is reached, the
fluid expands sufficiently to shatter the
glass Bulb, activating the sprinkler and
allowing water to flow.
Design
Criteria
The Model CHEC Sprinklers are UL
and C-UL Listed for use in light hazard
occupancies, using the design criteria
in Table A, in addition to the require-
ments specified in the current NFPA 13
for extended coverage sidewall sprin-
klers.
The Model CHEC Sprinklers are only
listed and approved with the Model
CHEC Cover Plates having a factory
applied finish.
Installation
The Model CHEC Sprinklers must be
installed in accordance with the follow-
ing instructions:
NOTES
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).
A leak tight 3/4 inch NPT sprinkler joint
should be obtained with a torque of 10
to 20 ft.lbs. (13,4 to 26,8 Nm). A maxi-
mum of 30 ft.lbs. (40,7 Nm) of torque
is to be used to install sprinklers with
3/4 NPT connections. Higher levels of
torque may distort the sprinkler inlet
with consequent leakage or impair-
ment of the sprinkler.
Do not attempt to compensate for in-
sufficient adjustment in the Sprinkler
Assembly by under- or over-tightening
the Sprinkler/Support Cup Assembly.
Page2of6 TFP265
FIGURE 1
MODEL CHEC (CONCEALED HORIZONTAL EXTENDED COVERAGE)
QUICK RESPONSE LIGHT HAZARD SIDEWALL SPRINKLER
— ASSEMBLY —
SURFACE
UNTIL RETAINER
FLANGE IS FLUSH
WITH MOUNTING
PUSH INTO
SUPPORT CUP
WITH THREAD
THREADS
SUPP
O
RT
C
UP
WITH ROLL FORMED
SPRING
EJECTION
BUTTON
SPRINKLER/SUPPORT CUP
ASSEMBLY
SEALING
BUTTON
3/4" NPT
FLATS
WRENCH
COMPRESSION
ASSEMBLY
BULB SCREW
TOP
FRAME DEFLECTOR PLATE
COVER
COVER PLATE/RETAINER
ASSEMBLY
SOLDER
TABS (3)
RETAINER
DIMPLES
CO
VER PLATE
EJECTION
SPRING

Readjust the position of the sprinkler
fitting to suit.
Step 1. The sprinkler must only be
installed with its centerline perpen-
dicular to the back wall and parallel to
the ceiling. The word “TOP” on the de-
flector is to face towards the ceiling.
Step 2. Remove the Protective Cap.
Step 3. With pipe thread sealant ap-
plied to the pipe threads, hand tighten
the sprinkler into the sprinkler fitting.
Step 4. Wrench tighten the sprinkler
using only the W-Type 7 Wrench (Ref.
Figure 3). The wrench recess of the
W-Type 7 Wrench is to be applied to
the Sprinkler Wrench Flats shown in
Figures 1 and 2.
Step 5. Replace the Protective Cap
(Ref. Figure 4) by pushing it inwards
until it bottoms out against the Support
Cup. The Protective Cap helps prevent
damage to the Sprinkler to help protect
the sprinkler while the wall is being
plastered, wallpapered, or painted.
NOTE
As long as the Protective Cap remains
in place, the system is considered to
be “Out of Service”.
Step 6. After the wall has been com-
pleted with the nominal 2-1/2 inch
(63,5 mm) diameter mounting hole and
in preparation for installing the Cover
Plate Assembly, remove and discard
the Protective Cap. If the Sprinkler has
been damaged in any way including
accidental over spray from finishing
the wall, replace the entire Sprin-
kler/Support Cup Assembly.
Step 7. Push the Cover Plate/Re-
tainer Assembly into the Support Cup,
and as necessary, make the final ad-
justment of the Cover Plate with re-
spect to the wall by turning the Cover
Plate/Retainer Assembly clockwise
until its flange just comes in contact
with the wall.
If it becomes necessary to remove the
Cover Plate, it can be removed by un-
screwing in a counter-clockwise direc-
tion.
If the Cover Plate/Retainer Assembly
cannot be engaged with the Support
Cup or the Cover Plate/Retainer As-
sembly cannot be engaged sufficiently
to contact the wall, the Sprinkler Fitting
must be repositioned.
TFP265 Page 3 of 6
FIGURE 2
MODEL CHEC (CONCEALED HORIZONTAL EXTENDED COVERAGE)
QUICK RESPONSE LIGHT HAZARD SIDEWALL SPRINKLER
— INSTALLATION DIMENSIONS —
CO
VER PLATESPRINKLER MANUFA
C
TURER
(60,3 to 66,7 mm)
2-3/8" to 2-5/8" DIA.
1/2" (12,7 mm)
THREADED
ADJUSTMENT
SPRINKLER
FACE OF
FITTING
(22,2 to 34,9 mm)
7/8" to 1-3/8"
RETAINER
FLANGE
MOUNTING
SURFACE
SUPPORT CUP
ASSEMBLY 5/32" (4,0 mm)
PRESET GAP
(44,5 mm)
(42,9 mm)
1-11/16"
1-3/4"
ASSEMBLY
RETAINER
3-5/16" DIA.
(84,1 mm)
CENTERLINE
WATERWAY
OF SPRINKLER
7/16"
(11,1 mm)
TOP OF
DEFLECTOR
(14,3 mm)
9/16"
FLATS
WRENCH
SIDE VIEW

Care and
Maintenance
The Model CHEC Sprinklers must be
maintained and serviced in accord-
ance with the following instructions:
NOTES
When properly installed, there is a
nominal 5/32 inch (4,0 mm) air gap
between the lip of the Cover Plate and
the ceiling, as shown in Figure 2. This
air gap is necessary for proper opera-
tion of the sprinkler. If the wall is to be
repainted after the installation of the
Sprinkler, care must be exercised to
ensure that the new paint does NOT
seal off any of the air gap.
Factory painted Cover Plates MUST
NOT be repainted. They should be re-
placed, if necessary, by factory
painted units.
Do not pull the Cover Plate relative to
the Enclosure. Separation may result.
Before closing a fire protection system
main control valve for maintenance
work on the fire protection system that
it controls, permission to shut down
the affected fire protection system
must be obtained from the proper
authorities and all personnel who may
be affected by this action must be no-
tified.
Page4of6 TFP265
Response Coverage Minimum Minimum Deflector- Sprinkler Lateral
Rating Area(1), Flow(2), Pressure(2), To-Ceiling Temperature Minimum
Ft. x Ft. (m x m) GPM (LPM) PSI (BAR) Distance(3), In. (mm) Rating, °F Spacing(4),
Ft. (m)
Quick 16 x 14 (4,9 x 4,3) 26 (98) 10.6 (0,73) 4 to 12 (100 to 300) 135 or 155 10 (3,1)
Quick 16 x 16 (4,9 x 4,9) 26 (98) 10.6 (0,73) 4 to 12 (100 to 300) 135 or 155 10 (3,1)
Quick 16 x 18 (4,9 x 5,5) 29 (110) 13.1 (0,90) 4 to 12 (100 to 300) 135 10 (3,1)
Quick 16 x 20 (4,9 x 6,1) 36 (136) 20.3 (1,40) 4 to 12 (100 to 300) 135 10 (3,1)
Quick 16 x 22 (4,9 x 6,7) 36 (136) 20.3 (1,40) 4 to 12 (100 to 300) 135 10 (3,1)
TABLE A
UL AND C-UL LISTING COVERAGE AND FLOW RATE CRITERIA
NOTES
1. Backwall (where sprinkler is located) by sidewall (length of throw).
2. Requirement is based on minimum flow in GPM from each sprinkler. The indicated residual pressures are based on the nominal
K-factor.
3. The centerline of the sprinkler waterway is located 7/16 inch (11,1 mm) below the deflector (Ref. Figure 2).
4. Minimum spacing is for lateral distance between sprinklers located along a single wall. Otherwise adjacent sprinklers (i.e., sidewall
sprinklers on an adjacent wall, on an opposite wall, or pendent sprinklers) must be located outside of the maximum listed protection
area of the extended coverage sidewall sprinkler being utilized.
FIGURE 3
W-TYPE 7 SPRINKLER
WRENCH
FIGURE 4
PROTECTIVE CAP
RECESS
WREN
C
H
WITH SPRINKLER
ENGAGEMENT
IN TO ENSURE
WREN
C
HIN
G
AREA
PUSH WRENCH
CAP
PROTECTIVE

Sprinklers that are found to be leaking
or exhibiting visible signs of corrosion
must be replaced.
Automatic sprinklers must never be
painted, plated, coated or otherwise
altered after leaving the factory. Modi-
fied sprinklers must be replaced.
Sprinklers that have been exposed to
corrosive products of combustion, but
have not operated, should be replaced
if they cannot be completely cleaned
by wiping the sprinkler with a cloth or
by brushing it with a soft bristle brush.
Care must be exercised to avoid dam-
age to the sprinklers - before, during,
and after installation. Sprinklers dam-
aged by dropping, striking, wrench
twist/slippage, or the like, must be re-
placed. Also, replace any sprinkler that
has a cracked bulb or that has lost
liquid from its bulb. (Ref. Installation
Section).
If a sprinkler must be removed, do not
reinstall it or a replacement without
reinstalling the Cover Plate Assembly.
If a Cover Plate Assembly becomes
dislodged during service, replace it im-
mediately.
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.
It is recommended that automatic
sprinkler systems be inspected,
tested, and maintained by a qualified
Inspection Service.
Limited
Warranty
Products manufactured by Tyco Fire
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, and/or 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.
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,ANDINNOEVENT
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-
POSE.
Ordering
Procedure
When placing an order, indicate the full
product name. Contact your local dis-
tributor for availability.
Sprinkler Assembly:
Specify: (Specify temperature), Model
CHEC Sidewall Sprinkler,
P/N (specify).
135°F/57°C . . . . . . . . . . . . . . . P/N 51-396-1-135
155°F/68°C . . . . . . . . . . . . . . . P/N 51-396-1-155
Separately Ordered Cover Plate:
Specify: 135°F/57°C Model CHEC
Cover Plate Assembly with Specify
Finish, P/N (specify).
Bright White. . . . . . . . . . . . . . . P/N 56-396-4-135
Chrome . . . . . . . . . . . . . . . . . . P/N 56-396-9-135
Custom . . . . . . . . . . . . . . . . . . P/N 56-396-X-135
Sprinkler Wrench:
Specify: W-Type 7 Sprinkler Wrench,
P/N 56-850-4-001.
TFP265 Page 5 of 6

Page6of6 TFP265
TYCO FIRE PRODUCTS, 451 North Cannon Avenue, Lansdale, Pennsylvania 19446