Mounting Dimensions - Potter VSR-S Mode D'emploi

Mounting Dimensions

Fig 8
GROUND SCREWS
Maintenance
Inspect detectors monthly for leaks. If leaks are found, replace the detector. The VSR-S waterflow switch should provide years of trouble-free service. The
retard and switch assembly are easily field replaceable. In the unlikely event that either component does not perform properly, please order replacement
retard switch assembly stock number 1029030. There is no maintenance required, only periodic testing and inspection. Vane type watearflow switches
have a normal service life of 10-15 years. However, the service life may be significantly reduced by local environmental conditions.
Vane-Type Waterflow Switch for Small Pipe Specification
UL, CUL Listed, LPCB Approved and CE Marked vane type waterflow switches shall be furnished and installed at each sprinkler system connection to
the wet pipe main where indicated on the drawings and plans and as required by applicable local and national codes and standards. The device shall consist
of a 1" NPT threaded brass bushing for installation into tees and approved manifolds, gasket and non-corrosive vane and trip stem assembly as well as
a field replaceable adjustable time delay / switch mechanism to prevent false alarms from water surges. All wetted parts of the waterflow switch shall be
non-corrosive to resist being affected by or contributing to corrosion. The waterflow switch enclosures shall be NEMA 4 rated and the cover shall be held
captive by tamper resistant screws. It shall be possible to install an optional cover tamper switch to detect removal of the enclosure. The field replaceable
instantly recycling adjustable pneumatic retard shall provide a 0-90 second time delay and visual indication of activation. Expiration of the retard time shall
result in the simultaneous operation of two sets of single pole double throw (SPDT) switch contacts rated at 10A, 125VAC and 2A, 30VDC. Each switch
contact shall have a separate wiring chamber and separate conduit entrance to comply with the NEC requirements for separation of power limited and non
power limited conductors without the need for special wire or wire methods. The device shall be listed for pressures up to 300 psi, maximum water surges of
18 fps and alarm activation by a continuous flow of 10gpm. The device shall be Listed for installation on CPVC, brass, copper and iron tees and manifolds
from 1" - 2" size. The waterflow switch shall be a model VSR-S manufactured by Potter Electric Signal Company LLC.
Potter Electric Signal Company, LLC
3.50"
(89.0 mm)
2.34"
(59.4 mm)
1"-11 1/2 NPT
• St. Louis, MO
5401207 - REV J
Vane Type Waterflow Alarm
4.89"
(52.3 mm)
• Phone: 800-325-3936
•
11/21
VSR-S
Switch With Retard
5.56"
(141.2 mm)
2.00"
(50.8 mm)
DWG# 1206-5
• www.pottersignal.com
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