Reliable RFC56 Manuel utilisateur

Reliable Automatic Sprinkler Co., Inc., 103 Fairview Park Drive, Elmsford, New York 10523

Bulletin 009 Rev. B

Model RFC56 Concealed

Residential Sprinkler

(SIN RA0914)

A Concealed Residential Sprinkler

approved for a minimum density of

0.05 gpm/ft2. The larger K Factor

provides lower pressure demands

for 0.10 densities in NFPA-13

residential applications.

Features:

1. ½” (13mm) Total adjustment.

2. Smooth aesthetic ceiling profile.

3. Available in brass, chrome and black plated

or painted finishes.

Listings & Approval

1. Listed by Underwriters Laboratories, and certified by

UL for Canada (cULus)

2. NYC MEA 258-93-E

UL Listing Categories

Residential Automatic Sprinklers

UL Guide Number

VKKW

Product Description

Model RFC56 Concealed Residential Sprinklers are fast

response residential fusible solder link automatic sprinklers.

Residential sprinklers differ from standard sprinklers primarily

in their response time and water distribution patterns.

Model RFC56 sprinklers discharge water in a hemispheri-

cal pattern below the sprinkler deflector. Residential distribu-

tion patterns are higher and generally contain a finer droplet

size than standard sprinkler patterns.

The combination of speed of operation and high discharge

pattern required for residential sprinklers has demonstrated,

in fire testing, an ability for controlling residential fires, and

thereby providing significant evacuation time for occupants.

The RFC56 Sprinkler provides the best form of fire protec-

tion by combining an attractive appearance and ½” (13mm)

of cover adjustment for ease of installation. The small diam-

eter cover plate is easily and positively attached and blends

into the ceiling, concealing the most dependable fire protec-

tion available, an automatic sprinkler system.

The RFC56 is a UL Listed Residential Sprinkler to be in-

stalled in the residential portions of any occupancy in accor-

dance with NFPA 13, 13R, & 13D.

The RFC56 can reduce the need for precise cutting of

drop nipples. The threaded cover plate assembly can be

adjusted without tools to fit accurately against the ceiling.

The fire protection system need not be shut down to adjust

or remove the cover plate assembly.

Application and Installation

The RFC56, for residential installations, uses a 165°F (74°C)

fusible solder link with a drop-down deflector. This assembly

is recessed into the ceiling and concealed by a flat cover

plate. The cover plate is attached to the skirt, using 135°F

(57°C) ordinary temperature classification solder. When the

ceiling temperature rises, the solder holding the cover plate

releases the cover allowing the deflector to drop into position

and exposing the sprinkler inside to ceiling temperature. The

subsequent operation of the solder link opens the waterway

to distribute the discharging water in a hemispherical pat-

tern below the sprinkler deflector. Any adjustment of thread

engagement between the cover plate and cup will assure

that the drop-down deflector is properly located below the

ceiling. The residential distribution pattern contains a finer

droplet size than a standard sprinkler, and the pattern pro-

duces significantly higher wall wetting.

After a 25

8inch diameter hole is cut in the ceiling, the sprin-

kler is easily installed with the Model G4 Wrench. The wrench

has drive tangs which insert into the cup slots. When install-

ing a sprinkler the wrench is first positioned into the sprinkler/

cup assembly until the wrench tangs engage the drive slots

in the top of the cup (there are two sets of drive slots in the

cup). The sprinkler is then tightened into the pipe fitting.

When inserting or removing the wrench from the sprinkler/

cup assembly, care should be taken to prevent damage to

the sprinkler. DO NOT WRENCH ON ANY OTHER PART OF

THE SPRINKLER/CUP ASSEMBLY. MODEL RFC56 CON-

CEALED SPRINKLERS MUST BE INSTALLED ONLY WITH

135°F RATED COVERS.

In ceilings that have a plenum space above the sprin-

kler, the plenum space may have neutral or negative

pressurization but must not be positively pressur-

ized. In addition, inspect all sprinklers after instal-

lation to ensure that both the gap between the cover

plate, ceiling and the 4 slots in the cup are open and

free from any air ﬂow impediment.

Technical Data(1):

Thread Size

inch (mm) K Factor Sprinkler Spacing

ft. (m)

Maximum

Distance to Wall

ft. (m)

Minimum

Distance between

sprinkler

ft. (m)

Minimum Required

Sprinkler Discharge

Flow

gpm (Lpm)

Press.

psi (bar)

½” (15mm)

5.6 (80)

12 x 12 (3.6x3.6)

14 x 14 (4.3x4.3)

16 x 16 (4.9x4.9)

6 (1.83)

7 (2.13)

8 (2.43)

26 (98)

21.6 (1.49)

Temperature Rating

Sprinkler Cover Plate Max. Ambient Temp.

165°F/74°C 135°F/57°C 100°F/38°C

will assure that the drop-down deflector is properly lo-

cated below the ceiling. A plastic protective cap shall

be provided and factory installed inside the sprinkler cup

to protect the drop-down sprinkler deflector from dam-

age, which could occur during construction before the

cover plate is installed. Standard cover finish: [Chrome]

[White] [Specialty – specify]. Residential concealed

sprinklers shall be Reliable Model RFC56, SIN RA0914

(Bulletin 009).

Maintenance

Model RFC56 Concealed Sprinklers should be inspected

and the sprinkler system maintained in accordance with

NFPA 25. Do not clean sprinklers with soap and water,

ammonia or any other cleaning fluids. Remove dust by

using a soft brush or gentle vacuuming. Remove any

sprinkler cover plate assembly which has been painted

(other than factory applied) or damaged in any way. A

stock of spare sprinklers should be maintained to allow

quick replacement of damaged or operated sprinklers.

Prior to installation, sprinklers should be maintained in

the original cartons and packaging until used to minimize

the potential for damage to sprinklers that would cause

improper operation or non-operation.

Model RFC56 Residential Concealed

Sprinkler Speciﬁcation

Sprinklers shall be cULus Listed low flow residential con-

cealed sprinklers with drop-down deflector and adjust-

able flat cover plate engineered for a minimum design

density of 0.10 gpm/ft2. Sprinkler frame and deflector

shall be of bronze construction having a ½” NPT thread.

Thermal element shall consist of an approved black-

painted beryllium-nickel fusible solder link with lever and

strut mechanism, maintaining a Teflon-coated brass cap

water seal containing no plastic parts. Sprinkler K-factor

shall be nominal 5.6 (80), having a ½” orifice. Tempera-

ture rating shall be Ordinary 165°F (74°C); cover plate

temperature rating to be 135°F (57°C). Cover plate as-

sembly shall consist of a brass cover plate and copper

alloy retainer flange having a push-on and thread-off

design, allowing a ½” cover plate adjustment. Any se-

cure engagement between the cover plate and the cup

Ordering Information

Specify:

1. Sprinkler Model

2. Cover Plate Finish

Cover Plate Finishes (1)

Standard Finishes

Chrome

White

Special Application

Finishes

Bright Brass

Black Plating

Black Paint

Off White

Satin Chrome

(1) Other colors and finishes avail-

able. Consult factory for de-

tails. Coverplate custom paint

is semi-gloss, unless speci-

fied otherwise.

Note: Paint or any other coatings

applied over the factory finish

will void all approvals and war-

ranties.

Reliable Automatic Sprinkler Co., Inc.

(800) 431-1588 Sales Offices

(800) 848-6051 Sales Fax

(914) 829-2042 Corporate Offices

www.reliablesprinkler.com Internet Address

Manufactured by

Recycled

Paper

Revision lines indicate updated or new data.

EG. Printed in U.S.A. 11/14 P/N 9999970277

The equipment presented in this bulletin is to be installed in accordance with the latest published Standards of the National Fire Protection Association, Factory

Mutual Research Corporation, or other similar organizations and also with the provisions of governmental codes or ordinances whenever applicable.

Products manufactured and distributed by Reliable have been protecting life and property for over 90 years, and are installed and serviced by the most highly

qualified and reputable sprinkler contractors located throughout the United States, Canada and foreign countries.

• Automatic sprinklers

• Flush automatic sprinklers

• Recessed automatic sprinklers

• Concealed automatic sprinklers

• Adjustable automatic sprinklers

• Dry automatic sprinklers

• Intermediate level sprinklers

• Open sprinklers

• Spray nozzles

• Alarm valves

• Retarding chambers

• Dry pipe valves

• Accelerators for dry pipe valves

• Mechanical sprinkler alarms

• Electrical sprinkler alarm switches

• Water flow detectors

• Deluge valves

• Detector check valves

• Check valves

• Electrical system

• Sprinkler emergency cabinets

• Sprinkler wrenches

• Sprinkler escutcheons and guards

• Inspectors test connections

• Sight drains

• Ball drips and drum drips

• Control valve seals

• Air maintenance devices

• Air compressors

• Pressure gauges

• Identification signs

• Fire department connection

Reliable offers a wide selection of sprinkler components. Following are some of the many

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