Submittal Sheet

ManualsBrandsSenju Sprinkler ManualsFire SprinklersFR-QR Horizontal Sidewall Sprinkler (SS2553), QR, 5.6K, 162°F - Chrome - Head Only

Page

：

1 of 8

Document No.U087670

Date

：

Jan/11/2019

SENJU SPRINKLER CO., LTD.

Horizontal Sidewall,

Recessed Horizontal Sidewall Sprinkler

Quick Response, Standard Coverage,

Model FR-QR K-Factor: 5.6

SIN: SS2553

GENERAL DESCRIPTION

The Model FR-QR 5.6 (80.6 LPM/bar

1/2

) K-factor, Horizontal Sidewall and Recessed Horizontal Sidewall Sprinklers are fusible

link type automatic sprinklers. The Model FR-QR sprinklers are quick response standard coverage and are designed for use in

light or ordinary hazard commercial occupancies.

They are to be installed per NFPA 13 guidelines.

The Model FR-QR Recessed Horizontal Sidewall Sprinkler can be used for installation in a wall with our two-piece escutcheons

to achieve the following results:

A D1 Recessed Escutcheon (two-piece) provides a total adjustment of 1/2 inch (12.7 mm).

A D2 Recessed Escutcheon (two-piece) provides a total adjustment of 3/4 inch (19.1 mm).

WARNINGS

The Model FR-QR must be installed and maintained in accordance with the rules stated herein as well as in

compliance with the applicable standards of the National Fire Protection Association regulations and the standards of

any other authorities having jurisdiction.

In the event of this condition, consult the authorities having jurisdiction for guidance and approval.

Failure to do so may impair the integrity of these devices.

It is the responsibility of the installing contractor to provide a copy of this document to the owner or their

representative, and in turn, it is the obligation of the owner to provide a copy of this document to a succeeding owner.

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 with any related questions.

TECHNICAL DATA

Approvals:

Listed, FM Approved, Refer to TABLE A

Sprinkler Identification Number (SIN): SS2553, Refer to TABLE A

Maximum Working Pressure: 175psi (12.1bar)

Discharge Coefficient (Nominal K-Factor): K=5.6 GPM/psi

1/2

(80.6 LPM/bar

1/2

)

Temperature Rating: Refer to TABLE A

Finishes

Sprinkler: Natural Brass, White Painted, Black Painted, Chrome Plated

Recessed Escutcheon: Brass Plated, White Painted, Black Painted, Chrome Plated

Summary of content (8 pages)

PAGE 1
Page：1 of 8 SENJU SPRINKLER CO., LTD. Horizontal Sidewall, Recessed Horizontal Sidewall Sprinkler Quick Response, Standard Coverage, Model FR-QR K-Factor: 5.6 SIN: SS2553 GENERAL DESCRIPTION 1/2 The Model FR-QR 5.6 (80.6 LPM/bar ) K-factor, Horizontal Sidewall and Recessed Horizontal Sidewall Sprinklers are fusible link type automatic sprinklers. The Model FR-QR sprinklers are quick response standard coverage and are designed for use in light or ordinary hazard commercial occupancies.
PAGE 2
Page：2 of 8 FIGURE 1. Model FR-QR K5.
PAGE 3
Page：3 of 8 OPERATION The sprinkler assemblies fusible link is comprised of two link halves that are joined together with a thin layer of solder. When the rated temperature is reached, the solder melts and the two link halves separate. This leads to the water flow to be distributed on the affected fire area. FIGURE 2.
PAGE 4
Page：4 of 8 Precautionary Warnings for Corrosive Environments Model FR-QR sprinklers should not be installed where they may be subjected to a corrosive environment including the following: (1) Chlorine ion and Chloride environment. Stress corrosion cracking may be caused by exposure to environments with Chlorine ion and Chloride. Exposure to this environment may result in sprinklers operating under Non-Fire conditions or Not Operating when exposed to an actual fire.
PAGE 5
Page：5 of 8 FIGURE 3. HORIZONTAL SIDEWALL and RECESSED HORIZONTAL SIDEWALL SPRINKLERS FIGURE 4. INSTALLATION (CORRECT and INCORRECT) FIGURE 5. INSTALLATION (WRENCH and SOCKET) A 1/2" drive ratchet (not included) is required for use with the Socket FR-HⅡ. Document No.
PAGE 6
Page：6 of 8 FIGURE 6. PROTECTOR REMOVAL FIGURE 7. INSTALLATION (D1 RECESSED ESCUTCHEON) FIGURE 8. INSTALLATION (D2 RECESSED ESCUTCHEON) Document No.
PAGE 7
Page：7 of 8 CARE AND MAINTENANCE The following instructions must be implemented for the maintenance and service of the Model FR-QR. NOTES Wet pipe sprinkler systems must be maintained at a minimum temperature of 40°F / 4°C to prevent freezing and bursting of the pipe and/or sprinklers. Automatic sprinklers are not to be tested with a heat source. Operation of the heat responsive element can result.
PAGE 8
Page：8 of 8 ORDER PROCEDURE When placing an order, please contact a local distributor with the following information (Model Name, Temperature Rating and Finish). Sprinkler Model: FR-QR K5.6 Temperature Rating: 162°F (72°C), 205°F (96°C), 286°F (141°C) Finishes: Natural Brass, White Painted, Black Painted, Chrome Plated For Type, SIN, and Recessed Escutcheon, refer to the table below.