Senju Sprinkler RC-QR-EC Manual

Commercial Flat Concealed Sprinkler, Pendent,
Quick Response, Extended Coverage (Light Hazard)
Model: RC-QR-EC, K-Factor: 5.6, SIN: SS3561

GENERAL DESCRIPTION

The Model RC-QR-EC Commercial Flat Concealed Sprinklers are automatic sprinklers of the compressed fusible solder type,
extended coverage, for use Light Hazard Occupancies. These are decorative and quick response. The Cover Plate Assembly
hides the Deflector, Heat Responsive Element etc., which is in turn concealed above the ceiling. The cover plate has a flat profile,
and its diameter is extremely small (2-5/8 inch, 68mm). The push-on and/or thread-on, thread-off design of the concealed cover
plate assembly allows easy installation of the cover plate. Therefore, the Model RC-QR-EC should be your first choice when
aesthetics is the major consideration for ultimate appeal and unbeatable performance is desired.
They are to be used in wet pipe sprinkler systems per NFPA 13.
The Model RC-QR-EC has a 5.6 (80.6 LPM/bar
For extended installation flexibility, the Model RC-QR-EC provides 1/2 inch (12.8mm) vertical adjustment. This adjustment in
Installation decreases the need for precise cutting of the pipe that drops to the sprinkler and allows for a perfect fit with a range of
pipe lengths.
The heat sensitivity and water distribution design of Model RC-QR-EC allows for an increased chance of occupants' escape or
evacuation in case of fire. However, fire sprinkler systems are not a substitute for fire safety awareness or fire safety construction
required by building codes.
WARNINGS
The Model RC-QR-EC 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 his 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.
1/2
) K-factor.
Document No.U037922
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Page 1 of 7
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Date Jun/17/2014