Tyco Fire Product CENTRAL A User manual

chemical to which the sprinklers will be
exposed.
Operation: A fusible alloy is sealed into a
bronze actuating rod (center strut) by a
stainless steel ball. When the alloy melts
at its rated temperature, the ball is forced
upward into the center strut, releasing the
two ejectors and operating the sprinkler.
WARNING
The Model A Intermediate Level Sprinklers
described herein must be installed and
maintained in compliance 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 integrity of
these devices.
The owner is responsible for maintaining
their fire protection system and devices in
proper operating condition. The installing
contractor or sprinkler manufacturer
should be contacted relative to any
questions.
Sprinkler Identification Number
SIN C3113 - A Int. Level UP (K=5.6)
SIN C3211 - A Pend (K=5.6)*
SIN C3111 - A UP (K=5.6)*
SIN C4113 - A Int. Level UP (K=8.0)
SIN C4211 - A Pend (K=8.0)*
SIN C4111 - A UP (K=8.0)*
SIN C4813 - A Int. Level UP (K=8.0, 1/2")
SIN C4911 - A Pend (K=8.0, 1/2")*
SIN C4811 - A UP (K=8.0, 1/2")*
*add Head Guard and/or Shield
Approvals
UL & ULC Listed. FM & NYC Approved
(Refer to Table 1 - 2. The approvals apply
only to the service conditions indicated in
the Design Criteria Section)
Maximum Working Pressure
175 psi (12,1 bar)
250 psi (17,3 bar) UL & ULC (K=5.6)
Pipe Thread Connection
1/2 inch NPT -(K=5.6 & K=8.0)
3/4 inch NPT - (K=8.0)
Tyco Fire Products --- www.centralsprinkler.com
451 North Cannon Avenue, Lansdale, Pennsylvania 19446 --- USA
Customer Service/Sales: Tel: [phone] / Fax: [phone]
Technical Services: Tel: [phone] / Fax: [phone]
Model A
Intermediate Level
No. 3-12.0
5.6 & 8.0 K-factor
Standard Response
Upright & Pendent Pendent Fusible Solder Type Automatic Sprinkler
General
Description
The Central Model A, 5.6 & 8.0 K-factor
Upright & Pendent Intermediate Level
Automatic Sprinklers are designed for use
in sprinkler systems having sprinklers at
multiple elevations in the same area.
Intermediate Level Sprinklers are primarily
designed for use in rack storage sprinkler
systems, where their thermally sensitive
elements must be shielded from the water
spray of higher elevation sprinklers which
could operate earlier during a fire.
Intermediate Level Sprinklers are also
used in applications such as beneath
open gridded catwalks.
Both the upright and pendent versions
come complete with the water sheild
affixed to the sprinkler. The pendent
version can also be created using a
pendent Model A Standard Spray
Sprinkler and a separate water sheild
(WS-2) that is threaded on the 1/2" or 3/4"
NPT of the sprinkler prior to installing the
sprinkler into the fitting.
If there is a possibility that the Intermediate
Level Sprinklers may be exposed to
mechanical damage, a head guard and/or
water sheild assembly (G-2 or WSG-2)
can be added to the Model A Standard
Spray Sprinker, creating an Intermediate
Level Sprinkler.
These sprinklers are available with wax
and lead coatings that may be utilized to
extend the life of copper alloy sprinklers
beyond that which would otherwise be
obtained when exposed to corrosive
atmospheres.
Although wax and lead coated sprinklers
have passed the standard corrosion tests
of the applicable approval agencies, the
testing is not representative of all possible
corrosive atmospheres. Consequently, it is
recommended that the end user be
consulted with respect to the suitability of
these corrosion resistant coatings for any
given corrosive environment. The effects
of ambient temperature, concentration of
chemicals, and gas/chemical velocity,
should be considered, as a minimum,
along with the corrosive nature of the
Technical
Data
CENTRAL A 2-01
Intermediate
Level Automatic
Sprinklers
Discharge Coefficient
K = 5.6 GPM/psi1/2 (80,6 LPM/bar1/2)
K = 8.0 GPM/psi1/2 (116,8 LPM/bar1/2)
Temperature Ratings
165°F/74°C, 212°F/100°C, 286°F/141°C
Finishes
Sprinkler: Chrome Plated, or Natural
Brass
Head Guard/Shield: Red or Chrome
Corrosion Resistant Coatings
Sprinkler: Wax, Lead & Wax-over-Lead
Physical Characteristics
The Model A Intermediate Level Sprin-
klers utilize a dezincification resistant
(DZR) bronze frame and a brass deflector.
The waterway is sealed with copper seal
disk, and the fusible assembly is con-
structed of bronze and stainless steel
components.
OBSOLETE

Figure 1- Factory Assembled, Multi-Level Upright
Figure 4 - Multi-Level Pendent with
Water Shield & Guard
Figure 3 - Factory Assembled, Multi-Level Pendent
Figure 2 - Multi-Level Upright with Guard and Shield
Figure 6 - Universal Sprinkler Wrench
1/2" NPT (Part #1122) and 3/4" NPT (Part #1123) Factory
Assembled Intermediate Level Pendent Sprinklers
Figure 5 - Combination Sprinkler Wrench
(Part #1106)
2-7/8"
(73,0 mm)
3-7/8" (98,4 mm)
Diameter
ELEVATION VIEW
WRENCH
FLAT
A M/L SHIELD
3-11/16"
(93,7 mm)
5" (127,0 mm)
Diameter
Sprinkler Guard with Shield (WSG-2)
Part #1098 Red — Part #1097 Chrome
ELEVATION VIEW
WRENCH
FLAT
RETAINER
CLIP
2-1/8" (54,0 mm)
Diameter
1-3/16"
(30,2 mm)
2-5/8"
(66,7 mm)
ELEVATION VIEW
A M/L SHIELD WRENCH
FLAT
5" (127,0 mm)
Diameter
3-11/16"
(93,7 mm)
Sprinkler Guard (G-2)
Part #1087 Red
Part #1086 Chrome
Water Shield (WS-2)
1/2" Part #1081 Red or #1080 Chrome
3/4" Part #1083 Red or #1082 Chrome
ELEVATION VIEW
WRENCH
FLAT
RETAINER
CLIP
OBSOLETE

1. Listed by Underwriters Laboratories, Inc.
2. Listed by Underwriters Laboratories, Inc. for maximum
150°F/68°C ambient temperatures.
Design
Criteria
The Model A, Standard Response
Upright & Pendent Intermediate Level
Sprinklers, whether factory assembled
(Ref. Table 2) or created using the
Model A Standard Spray Sprinkler and
a Head Guard and/or Water Shield
(Ref. Table 1), are UL, ULC Listed and
NYC Approved for use in accordance
with current NFPA standards.
The Model A, Standard Response
Upright & Pendent Intermediate Level
Sprinklers, whether factory assembled
(Ref. Table 2) or created using the
Model A Standard Spray Sprinkler and
a Head Guard and/or Water Shield
(Ref. Table 1), are FM Approved for use
in accordance with the FM Loss
Prevention Data Sheets.
Table 2 - Laboratory Listings and Approvals (Model A ntermediate Level Sprinklers - Factory Assembled)
SPRINKLER FINISH
Factory Assembled Pendent and Upright
Temperature Frame Natural Chrome Lead Wax Wax Over
Rating Color Code Brass Plated Coated Coated Lead Coated
165°F/74°C Unpainted
212°F/100°C White
286°F/141°C Blue
1,3,4,5 1,3,4,5 1,4 1 1
1,3,4,5 1,3,4,5 1,4 1 1
1,3,4,5 1,3,4,5 1,4 2 2
NOTES
3. Listed by Underwriters' Laboratories of Canada.
4. Approved by Factory Mutual Research Corporation.
5. Approved by the City of New York under BSA 375-75-SA.
For a complete description of all listings
and approvals for the Model A Standard
Spray Sprinklers used as Intermediate
Level Sprinklers, created using the
Model A Standard Spray Sprinkler and
a Head Guard and/or Water Shield,
reference data sheet 1-1.0.
Factory assembled Intermediate Level
Sprinklers cannot be used with a Head
Guard Assembly.
NOTE
Inquiries concerning the appropriateness
of wax or lead coated sprinklers for a
given corrosive environment should be
submitted to the attention of the
Technical Services Department. Wax or
lead coated sprinklers are not suitable
ro use in open sprinkler applications.
Installation
The Model A Intermediate Level Auto-
matic Sprinklers must be installed in
accordance with the following instructions.
NOTES
A leak tight 1/2 inch NPT sprinkler joint
should be obtained with a torque of 7 to 14
ft.lbs. (9,5 to 19,0 Nm). A maximum of 21
ft.lbs. (28,5 Nm) of torque is to be used to
install 1/2 inch NPT sprinklers. 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 maximum of 30
ft.lbs. (40,7 Nm) of torque is to be used to
install 3/4 inch NPT sprinklers. Higher
levels of torque may distort the sprinkler
inlet with consequent leakage or impair-
ment of the sprinkler.
If the wax coating on a wax coated
sprinkler is damaged during installation,
refer to Data Sheet 1-1.0 for guidelines on
the proper repair proceedures.
Upright Sprinklers
Step 1. Upright sprinklers must be
installed only in the upright position. The
deflector is to be parallel to the ceiling,
roof, or mounting surface, as applicable.
Step 2. With pipe thread sealant applied
to the pipe threads, hand tighten the
sprinkler into the sprinkler fitting.
Step 3. Tighten the sprinkler into the
sprinkler fitting using only the Combination
Wrench (Ref. Fig. 5), except that an 8 or
10 inch adjustable Crescent wrench is to
be used for wax coated sprinklers. Both
the Combination Wrench and the
adjustable Crescent wrench are to be
applied to the wrench flats only.
(Continued on Page 4)
Model SIN G-2 WS-2 WSG-2
A C3111 1,2,3 --- 1,2,3
C3211 1,2,3 1,2,3 ---
C4111 1,2,3 --- 1,2,3
C4211 1,2,3 1,2,3 ---
C4811 1,2,3 --- 1,2,3
C4911 1,2,3 1,2,3 ---
1. Listed by Underwriters Laboratories, Inc.
2. Listed by Underwriters' Laboratories of Canada (ULC).
3. Approved by Factory Mutual Research Corporation.
Table 1 - Laboratory Listings and Approvals
(Model A Standard Spray Sprinklers using a Head Guard
and/or Water Shield)
OBSOLETE

Printed in U.S.A. 2-01
Flow Control
Tyco Fire

Products
The Model A Intermediate Level Sprin-
klers must be maintained and serviced in
accordance with the following instructions.
NOTES
Before closing a fire protection system
main control valve for maintenance work
on the fire protection system it controls,
permission to shut down the affected fire
protection systems must be obtained from
the proper authorities. All personnel who
may be affected by this action must be
notified.
Automatic sprinklers must never be
shipped or stored where their tempera-
tures will exceed 100°F/38°C and they
must never be painted, plated, coated or
otherwise altered after leaving the factory.
Modified or overheated sprinklers must be
replaced.
Care must be exercised to avoid damage
- before, during, and after installation.
Sprinklers damaged by dropping, striking,
wrench twist/slippage, or the like, must be
replaced.
Frequent visual inspections are recom-
mended to be initially performed for wax
and/or lead coated sprinklers, after the
installation has been completed, to verify
the integrity of the wax and/or lead
coating. Thereafter, annual inspections
per NFPA 25 should suffice; however,
instead of inspecting from the floor level, a
random sampling of close-up visual
inspections should be made, so as to
better determine the exact sprinkler
condition and the long term integrity of the
wax and/or lead coating, as it may be
affected by the corrosive conditions
present.
The owner is responsible for the inspec-
tion, testing, and maintenance of their fire
protection system and devices in
compliance with this document, as well as
with the applicable standards of the
National Fire Protection Association (e.g.,
NFPA 25), in addition to the standards of
any other authorities having jurisdiction.
The installing contractor or sprinkler
manufacturer should be contacted relative
to any questions.
It is recommended that automatic
sprinkler systems be inspected, tested,
and maintained by a qualified Inspection
Service.
Care &
Maintenance
Installation
(Cont.)
Pendent Sprinklers
Step 1. Pendent sprinklers must be
installed only in the pendent position. The
deflector is to be parallel to the ceiling,
roof, or mounting surface, as applicable.
Step 2. With pipe thread sealant applied
to the pipe threads, hand tighten the
sprinkler into the sprinkler fitting.
Step 3. Tighten the sprinkler into the
sprinkler fitting using only the Universal
Sprinkler Wrench (Ref. Fig. 6). The
Universal Sprinkler Wrench is to be
applied to the wrench flats only.
Pendent Sprinkler Created using the
WS-2 Water Shield
Step 1. Pendent sprinklers must be
installed only in the pendent position. The
deflector is to be parallel to the ceiling,
roof, or mounting surface, as applicable.
Step 2. Thread the WS-2 Water Shield
onto the sprinkler threads with the
stamped marking toward the deflector and
just to the end of the threads. There
should be an 1/8" gap between the plate
and the Sprinkler Wrench Flat.
Step 3. With pipe thread sealant applied
to the pipe threads, hand tighten the
sprinkler into the sprinkler fitting.
Step 4. Tighten the sprinkler into the
sprinkler fitting using only the Combination
Wrench (Ref. Fig. 5), except that an 8 or
10 inch adjustable Crescent wrench is to
be used for wax coated sprinklers. Both
the Combination Wrench and the
adjustable Crescent wrench are to be
applied to the wrench flats only.
Step 5. Rotate the WS-2 Water Shield
clockwise (looking up) so that it engages
with the sprinkler threads.
Head Guards
Step 1. After the sprinkler has been
installed, gently spread the two base
sections of the G-2 or WSG-2 Head
Guard and slide the guard around the
sprinkler head so the base of the guard is
located between the sprinkler threads and
the wrench flats of the sprinkler.
Step 2. Fasten the two horizontal retaining
clips in place, over the proper vertical rib of
the guard. Make sure this action results in
a tight fit between the clip and the rib. If
not, bend the clip slightly and repeat the
procedure until a tight fit is obtained.
Step 3. If installing the G-2 Head Guard
on a pendent sprinkler with the WS-2
Water Shield, turn the water shield
clockwise on the sprinkler thread until it
"bottoms out" against the base of the wire
guard.
Products manufactured by Tyco Fire
Products are warranted solely to the
original Buyer for ten (10) years against
defects in material and workmanship
when paid for and properly installed and
maintained under normal use and service.
This warranty will expire ten (10) years
from date of shipment by Tyco Fire
Products. No warranty is given for
products or components manufactured by
companies not affiliated by ownership with
Tyco Fire Products or for products and
components which have been subject to
misuse, improper installation, corrosion, or
which have not been installed, maintained,
modified or repaired in accordance with
applicable Standards of the National Fire
Protection Association, and/or the
standards of any other Authorities Having
Jurisdiction. Materials found by Tyco Fire
Products to be defective shall be either
repaired or replaced, at Tyco Fire
Products' sole option. Tyco Fire Products
neither assumes, 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 inaccu-
rate 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 THEORY,
FOR INCIDENTAL, INDIRECT, SPECIAL
OR CONSEQUENTIAL DAMAGES,
INCLUDING BUT NOT LIMITED TO
LABOR CHARGES, REGARDLESS OF
WHETHER TYCO FIRE PRODUCTS
WAS INFORMED ABOUT THE POSSI-
BILITY OF SUCH DAMAGES, AND IN
NO EVENT SHALL TYCO FIRE PROD-
UCTS' LIABILITY 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 FITNESS
FOR A PARTICULAR PURPOSE.
Limited
Warranty
Ordering Information: When placing an
order, indicate the full product name.
Please specify the quantity, model, style,
orifice size, temperature rating, type of
finish or coating, and sprinkler wrench.
Refer to price list for complete listing of
Part Numbers.
Teflon is a trademark of the DuPont Corp.
Ordering
Information
OBSOLETE