Johnson Controls tyco QRS-2 Manual

Important: Refer to technical data sheet TFP2300
for warnings pertaining to regulatory and health
information.
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NOTICE
The TYCO Model QRS-2 Quick Release Switch –
Electronic Accelerator for Potter 4410G3 Releasing
Control Panel described herein must be installed and
maintained in compliance with this document, as well
as with the applicable standards of the NATIONAL
FIRE PROTECTION ASSOCIATION (NFPA), in
addition to the standards of any other authorities
having jurisdiction. Failure to do so may impair the
performance of this device.
The owner is responsible for maintaining their fire
protection system and devices in proper operating
condition. Contact the installing contractor or sprinkler
manufacturer with any questions.
General description
The TYCO Model QRS-2 Quick Release Switch – Electronic
Accelerator for Potter 4410G3 Releasing Control Panel,
herein called the Model QRS-2 Electronic Accelerator, is
a quick opening device intended to reduce the operating
time of a dry pipe valve in a dry pipe system or an
automatic control valve (deluge valve) in a double
interlock electric/electric preaction system.
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©2024 Johnson Controls. All rights reserved. All specifications and other information shown were current as of
document revision and are subject to change without notice.
Model QRS-2 Quick Release Switch –
Potter 4410G3 Releasing Control Panel
The Potter 4410G3 Releasing Control Panel is an electronic
releasing control panel for water-based suppression
systems and agent-based suppression systems.
The panel can be used with up to four Model QRS-2
Electronic Accelerators for one to four system risers using
the dry pipe valve model size range described in
Table 1: Compatible dry pipe valve
Description
TYCO Model DPV-1 Dry Pipe
Valve
Note: For more information about the valve, refer to
technical data sheet TFP1020.
The panel can also be used with one Model QRS-2
Electronic Accelerator for one system riser in a double
interlock electric/electric preaction system, using the
automatic control valve model size range described in
Table 2.
Table 2: Compatible automatic control valve
Description
TYCO Model DV-5A
Automatic Control Valve
with double interlock
electric/electric preaction
trim
Note: For more information about the valve, refer to
technical data sheet TFP1466.
Electronic Accelerator for
Size range
2 ½ in. to 6 in. (DN65 to
DN150)
Size range
1 ½ in. to 8 in. (DN40 to
DN200)
TFP1122 JANUARY 2024
Table 1.