Tyco Fire Product CENTRAL A Manual de usuario

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 C1711 - A (K=2.8)

SIN C2711 - A (K=4.2)

SIN C4711 - A (K=8.0)

SIN C4011 - A (K=8.0, 1/2" NPT)

Approvals

UL & ULC Listed. NYC Approved

(Refer to Table 1-3. The approvals

apply only to the service conditions

indicated in the Design Criteria Section)

Maximum Working Pressure

175 psi (12,1 bar)

Pipe Thread Connection

1/2 inch NPT -(K=2.7, 4.2 & 8.0)

3/4 inch NPT - (K=8.0)

Discharge Coefficient

K = 2.8 GPM/psi1/2 (40,3 LPM/bar1/2)

K = 4.2 GPM/psi1/2 (60,5 LPM/bar1/2)

K = 8.0 GPM/psi1/2 (116,8 LPM/bar1/2)

Temperature Ratings

165°F/74°C or 212°F/100°C

Finishes

Sprinkler: White Polyester, Chrome

Plated, or Natural Brass

Recessed Escutcheon: White Coated,

Chrome Plated, or Brass Plated

Physical Characteristics

The Model A Recessed Pendent 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. The support cup is steel.

Tyco Fire Products --- www.centralsprinkler.com

451 North Cannon Avenue, Lansdale, Pennsylvania 19446 --- USA

Customer Service/Sales: Tel: (215) 362-0700 / Fax: (215) 362-5385

Technical Services: Tel: (800) 381-9312 / Fax: (800) 791-5500

Model A Recessed

No. 1-2.0

2.8, 4.2 & 8.0 K-factor

Standard Response

Standard Coverage

Recessed Pendent Fusible Solder Type Sprinkler

General

Description

The Central Model A Standard Re-

sponse Recessed Pendent Sprinklers

are automatic sprinklers of the fusible

solder type. They are standard response

- standard orifice spray sprinklers

intended for use in fire sprinkler

systems designed in accordance with

the standard installation rules recog-

nized by the applicable Listing or

Approval agency (e.g., UL Listing is

based on NFPA 13 requirements).

The Central Model A Recessed

Pendent Sprinklers incorporate a

center strut mechanism with a special

two-piece recessed escutcheon

assembly permitting 1/2" of field-

adjustment. Unlike most other

recessed sprinklers, the upper

escutcheon support piece is factory

installed on the base of the sprinkler

frame, assuring a Listed installation.

The ceiling escutcheon plate is easily

installed after the sprinkler is in place

either by the standard “push-on”

escutcheon or the special “thread-on”

escutcheon. This feature allows

removal of ceiling panels for easy

access to ceiling equipment without

taking the system out of service to

remove the sprinkler.

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 Upright & Pendent Sprin-

klers 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.

Technical

Data

CENTRAL A 2-01

Standard Spray

Recessed

Pendent

Sprinklers

OBSOLETE

MODEL A/H

RECESSED

ESCUTCHEON

DEFLECTOR

SPRINKLER

FRAME

EJECTOR

SPRING

ACTUATING

ROD

CAP SEAL DISK

SUPPORT

CUP

(25,4 mm)

3/8"(9,5 mm)

15/16"±

1/4"

(23,8 mm±6,4 mm)

2-3/4"(69,9 mm) Max.

2-1/2" (63,5 mm)Min.

1"±1/4"

(25,4mm ±6,4mm)

3-1/4" (82,6 mm)

WRENCH

FLAT

FACE OF SPRINKLER

FITTING

FINISHED

CEILING

ESCUTCHEON

PINTLE

(25,4 mm)

3/8"(9,5 mm)

15/16"±

1/4"

(23,8 mm±6,4 mm)

2-3/4"(69,9 mm) Max.

2-1/2" (63,5 mm)Min.

1"±1/4"

(25,4mm ±6,4mm)

3-1/4" (82,6 mm)

WRENCH

FLAT

FACE OF SPRINKLER

FITTING

FINISHED

CEILING

ESCUTCHEON

PINTLE

Figure 2 - Model A Recessed Sprinkler

with Threaded Escutcheon

Figure 1 - Model A Recessed Sprinkler

with Push-on Escutcheon

Figure 3 - Cross Section

Model A Recessed Sprinkler Figure 4 - Universal Wrench

(Part #1122 - K=2.8 & 4.2)

(Part #1123 - K=8.0)

The Model A Recessed Pendent

Sprinklers

must be installed in accor-

dance 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 impairment of

the sprinkler.

Installation

Do not attempt to make up for insuffi-

cient adjustment in the escutcheon plate

by under- or overtightening the sprin-

kler. Readjust the position of the

sprinkler fitting to suit.

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

Wrench (Ref. Figure 4). With reference

to Figure 1 or 2, the Universal Wrench

is to be applied to the sprinkler wrench

flats only.

After the ceiling has been installed or

the finish coat has been applied, slide

on the Model A/H Recessed Escutch-

eon over the Model A Recessed

Sprinkler and push-on or thread on the

recessed escutcheon until its flange

comes in contact with the ceiling.

Installation of the Model A/H Reccesed

Escutcheon can be accomplished by

hand or by using the Recessed

Escutcheon Tool (Ref. Figure 5) and a

telescoping pole assembly. Every

Model A Recessed Escutcheon has 4

tabs on the interior opening of the

escutheon. By matching these tabs to

the corresponding groove on the

Recessed Escutcheon Tool and with

the telescoping pole attached, the

recessed escutcheon can be installed

without the aid of a ladder. Care should

be exercised to assure that the Actuator

Rod and Ejector Springs of the sprinkler

are not dammaged during the installa-

tion of the recessed escutcheon.

Figure 5 - Recessed

Escutcheon Tool

(Part #10654000)

OBSOLETE

Table 1 - Laboratory Listings and Approvals (2.8 K-factor Sprinklers)

Notes:

1. Listed by Underwriters Laboratories, Inc.

2. Listed by Underwriters' Laboratories of Canada.

3. Approved by the City of New York under BSA 375-75-SA

Table 2 - Laboratory Listings and Approvals (4.2 K-factor Sprinklers)

Design

Criteria

The Model A Recessed Pendent Sprinklers are UL, ULC Listed and NYC Approved for use in accordance with current NFPA

standards. The Recessed Pendent Sprinklers are only listed with the Series A/H Recessed Escutcheon Assemblies.

The Model A Recessed Pendent Sprinklers are availabe with a two types of support cups, one that accepts a push-on

escutcheon and one that accepts a threaded escutcheons. The recessed escutcheons are manufactured out of a metal or

plastic material that has been specifficaly tested and listed for use with the Model A Recessed Pendent Sprinklers. The

plastic recessed escutcheon is only listed for use with the push-on support cup assembly.

Do not install the Model A Recessed Pendent Sprinklers in ceilings which have positive pressure in the space above.

Table 3 - Laboratory Listings and Approvals

(8.0 K-factor Sprinklers with 1/2" or 3/4" NPT)

SPRINKLER FINISH

Temperature Frame Natural Chrome Polyester

Rating Color Code Brass Plated Coated

165°F/74°C Unpainted

212°F/100°C White

1,2,3 1,2,3 1

SPRINKLER FINISH

Temperature Frame Natural Chrome Polyester

Rating Color Code Brass Plated Coated

165°F/74°C Unpainted

212°F/100°C White

SPRINKLER FINISH

Temperature Frame Natural Chrome Polyester

Rating Color Code Brass Plated Coated

165°F/74°C Unpainted

212°F/100°C White

1,2,3 1,2,3 1

OBSOLETE

Printed in U.S.A. 2-01

Flow Control

Tyco Fire



Products

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

The Model A Recessed Pendent

sprinklers

must be maintained and

serviced in accordance with the

following instructions.

NOTES

Absence of an escutcheon which is

used to cover a clearance hole, may

delay the time to operation in a fire

situation.

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 authori-

ties. All personnel who may be

affected by this action must be

notified.

Sprinklers which are found to be

leaking or exhibiting visible signs of

corrosion must be replaced.

Automatic sprinklers must never be

shipped or stored where their tem-

peratures will exceed 100°F/38°C and

they must never be painted, plated,

coated or otherwise altered after

leaving the factory. Modified sprin-

klers 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

damage - before, during, and after

installation. Sprinklers damaged by

dropping, striking, wrench twist/

slippage, or the like, must be re-

placed.

The owner is responsible for the

inspection, 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 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 manufac-

tured by companies not affiliated by

ownership with Tyco Fire Products or

for products and components which

have been subject to misuse, im-

proper 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

inaccurate or incomplete information

supplied by Buyer or Buyer's repre-

sentatives.

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 CONSE-

QUENTIAL DAMAGES, INCLUDING

BUT NOT LIMITED TO LABOR

CHARGES, REGARDLESS OF

WHETHER TYCO FIRE PRODUCTS

WAS INFORMED ABOUT THE

POSSIBILITY OF SUCH DAMAGES,

AND IN NO EVENT SHALL TYCO

FIRE PRODUCTS' 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 WARRAN-

TIES OF MERCHANTABILITY AND

FITNESS FOR A PARTICULAR

PURPOSE.

Limited

Warranty

OBSOLETE

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