Reliable RFC56 Manuel utilisateur

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

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. 1/2” (13 mm) Total adjustment.

2. Smooth aesthetic ceiling proﬁle.

3. Available in brass, chrome and black plated or

painted ﬁnishes.

Listings and 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 hemispherical

pattern below the sprinkler deﬂector. Residential distribution

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 protection

by combining an attractive appearance and 1/2” (13 mm) of

cover adjustment for ease of installation. The small diameter

cover plate is easily and positively attached and blends into

the ceiling, concealing the most dependable ﬁre protection

available, an automatic sprinkler system.

The RFC56 is a UL Listed Residential Sprinkler to be installed

in the residential portions of any occupancy in accordance with

NFPA 13, 13R and 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.

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Bulletin 009 Rev. C_Multilingual

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 pattern 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 produces signiﬁcantly higher wall wetting.

After a 2

5/8” diameter hole is cut in the ceiling, the sprinkler

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

drive tangs which insert into the cup slots. When installing 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 CONCEALED SPRINKLERS

MUST BE INSTALLED ONLY WITH 135 °F RATED COVERS.

In ceilings that have a plenum space above the

sprinkler, the plenum space may have neutral or negative

pressurization but must not be positively pressurized. In

addition, inspect all sprinklers after installation 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.

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.

Technical Data(1):

Thread Size

inch (mm) K-Factor Sprinkler Spacing

ft. (m)

Maximum Dis-

tance to Wall

ft. (m)

Minimum Distance

between sprinkler

ft. (m)

Minimum Required

Sprinkler Discharge

Flow

gpm (Lpm)

Press.

psi (bar)

1/2” (15 mm)

5.6 (80)

12x12 (3.6x3.6)

14x14 (4.3x4.3)

16x16 (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

147FG01B

162FG01

Ordering

Information

Specify:

1. Sprinkler Model

2. Cover Plate Finish

Model RFC56 Residential Concealed

Sprinkler Speciﬁcation

Sprinklers shall be cULus Listed low ﬂow residential concealed

sprinklers with drop-down deﬂector and adjustable 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 1/2” 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 1/2” oriﬁce. Temperature

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

rating to be 135 °F (57 °C). Cover plate assembly shall consist

of a brass cover plate and copper alloy retainer ﬂange having

a push-on and thread-off design, allowing a 1/2” cover plate

adjustment. Any secure engagement between the cover plate

and the cup will assure that the drop-down deﬂector is properly

located 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 damage, 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).

1”x 1/2” REDUCING

TEE OR BELOW

25/8” (66.7 mm) DIA

CEILING HOLE

1/2” (13 mm) MAX

COVER ADJUSTMENT

1/8” (3.18 mm) MIN TO 5/8” (15.88 mm)

MAX DROPPED DEFLECTOR TO CEILING

SPRINKLER CUP ASSEMBLY 23/8” (60.3 mm)

DIA.

3/16”

(4.8 mm)

CEILING

35/16” (84.1 mm)

DIA.

25/8” (66.7 mm) FACE

OF FITTING TO CEILING

DIMENSION MAX.

CEILING

PUSH-ON/THREAD-OFF FLAT

COVER PLATE ASSEMBLY

Cover Plate

Finishes(1)

Standard Finishes

White Paint

Chrome

Special Application

Finishes

Off White Paint

Black Paint

Custom Color Paint – Specify(1)

Raw Brass (Lacquered)

Bright Brass

Finished Bronze

Black Plated

Satin Chrome

Stainless Steel Clad(2)

(1) Custom color paint is semi-gloss,

unless speciﬁed otherwise.

(2) Stainless steel clad cover plates

are Type 316 Stainless Steel

on the ﬁnished side and C102

Copper Alloy on the back side.

Cover plates are not listed or

approved as corrosion resistant.

Stainless steel clad cover plates

are not available perforated.

Note: Paint or any other

coatings applied over the

factory ﬁnish will void all

approvals and warranties.

The 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.

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.

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

precision-made Reliable products that guard life and property from ﬁre around the clock.

Reliable... For Complete Protection

• 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

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

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