Reliable F4FR User manual

The Concealer®
A Concealed Sprinkler
With ½” (13mm) Adjustment
Features
1. ½” (13mm) Total adjustment provided by
economical standard inlet version.
2. Simple, sturdy, threaded cover plate attach-
ment; does not require clips or springs.
3. Smooth aesthetic ceiling profile.
4. Available in brass, chrome, white, black-
plated or other color painted finishes.
5. Ordinary temperature rating.
U.S. Patent Number 4,880,063
Listings and Approvals
1. Loss Prevention Certification Board (LPCB)
Note: Approvals are ordinary hazard except for small orifice sprinklers
which are limited to light hazard occupancies.
Application
The Reliable Model F4FR Concealer is the most versatile stan-
dard response sprinkler available. The Model F4FR Standard
Response Concealed Sprinkler provides the best form of fire
protection by offering an attractive appearance and ½” (13mm)
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 avail-
able, an automatic sprinkler system.
The Concealer®is designed for use where aesthetic appear-
Product Description
The Concealer®for standard response applications uses a
3mm diameter glass bulb in a standard style sprinkler frame
with a drop-down deflector. This assembly is recessed into the
ceiling and concealed by a flat cover plate. The cover plate and
sprinkler cup assemblies are attached using a strong threaded
engagement. This threaded engagement provides ½” (13mm)
of cover adjustment. 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 fuses, thus releasing the plate and exposing the sprinkler
inside to ambient temperature. The subsequent shattering of
the sprinkler bulb opens the waterway and causes the deflec-
tor to drop into position to distribute the discharging water. Any
secure engagement between the cover plate and cup will as-
sure that the drop-down deflector is properly located below the
ceiling.
Note: The cup and skirt are fabricated from corrosion re-
sistant plated steel and are intended for interior non-cor-
rosive applications.
Bulletin 125 Rev. K
Bulletin 125 Rev. K
Model F4FR Concealed
Automatic Sprinkler
The Reliable Automatic Sprinkler Co., Inc., 103 Fairview Park Drive, Elmsford, New York 10523
ance is important. Offices, hospitals,
motels and restaurants are but a few
of the applications where it can be
used. It is available in different orifice
sizesallowing the designerto optimize
system performance, thereby achiev-
ing a very efficient installation.
The Model F4FR Concealer is a
standard response concealed sprin-
kler intended for use in accordance
with NFPA 13.
The Concealer®can eliminate the need for precise cutting of
drop nipples. The threaded cover plate assembly can be ad-
justed 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.

The Reliable Automatic Sprinkler Co., Inc.
[phone] Sales Offices
[phone] Sales Fax
[phone] Corporate Offices
www.reliablesprinkler.com Internet Address
Manufactured by
Recycled
Paper
Revision lines indicate updated or new data.
EG. Printed in U.S.A 06/12 P/N 9999970018
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.
½” NPT (R) Non Adjustable inlet
Figure 1
(1) Other colors and finishes are available. Consult factory for details.
Installation
Do not install The Concealer®in ceilings which have positive
pressure in the space above. In addition, inspect all sprinklers
after installation to ensure that both the gap between the cover
plate and ceiling and the 4 slots in the cup are open and free
from any air flow impediment.
After a 25/8” diameter hole is cut in the ceiling, the sprinkler
is to be installed with the Model G4 Wrench. When installing a
sprinkler, the wrench is first positioned into the sprinkler/cup as-
sembly until two wrench tangs fully engage drive slots in the top
of the cup (there are two pairs 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.
Thesesprinklers mustbe installed,beforetheceilingis inplace
by wrenching on only the coupling reducer hex flats. After the
ceiling has been installed, each telescoping inlet section is to be
adjusted with the G4 Wrench. Final adjustment of each cover is
made by hand turning the cover in the clockwise direction until
it is tight against the ceiling. THE MODEL F4FR CONCEALER
MUST BE INSTALLED ONLY WITH A 135°F RATED COVER.
Maintenance
The Model F4FR should be inspected quarterly and the sprin-
kler system maintained in accordance with NFPA 25. Do not
clean sprinklers with soap and water, ammonia or any other
cleaning fluids. Remove any sprinkler that has been painted
(other than factory applied) or damaged in any way. A stock of
spare sprinklers should be maintained to allow quick replace-
ment of damaged or operated sprinklers. Prior to installation,
sprinklers should be maintained in the original cartons and
packaging to minimize the potential for damage to sprinklers
that would cause improper operation or non-operation.
Ordering Information
Specify:
1. Sprinkler Model
2. Nominal Orifice
3. Cover Plate Finish
4. Inlet Type
Temperatures Ratings
Classification Sprinkler Cover Plate Max. Ceiling
Temp.
Ordinary 135°F/57°C 135°F/57°C 100°F/38°C
155°F/68°C* 135°F/57°C
* LPCB approved only.
Finishes (1):
Standard Finishes:
Bronze
Bright Brass Plated
Chrome Plated
Black Plated
White
Note: Paint or any other coatings
applied over the factory finish will
void all approvals and warranties.
Technical Data
Sprinkler Inlet Total
Adjustment
Nominal
Orifice
Nominal K Factor Thread Approvals
Sprinkler
Identifcation
(SIN)US Metric
Non-Adjustable ½” (13mm) ½” (15mm) 5.6 80 ½” NPT (R½) LPCB R2512
Installation Wrench
Model G4 Sprinkler Wrench