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FS10 SERIES (E) POTTER The Symbol of Protection PRESSURE SWITCH UL, cUL,.and CSFM Listed, FM and LPC Approved, NYMEA Accepted,CE Marked Dimensions:3.78"(9,6cm)W x 3.20"(8,1cm)D x 4.22"(10,7cm)H ©POTTER Conduit Entrance:Two knockouts provided for 1/2"conduit. Individual switch compartments and ground screws suitable for dissimilar voltages. PS10-2 �<> Enclosure: Cover-Die-cast with textured red powdercoat finish,single cover screw and rain lip. Base-Die-cast Pressure Connection:Nylon 1/2"NPT Male Factory Adjustment: 4-8 PSI(0,27-0,55 BAR) Differential: 2 PSI(0,13 BAR)typical Maximum System Pressure: 300 PSI(20,68 BAR) Switch Contacts: SPDT(Form C) 10.1 Amps at 125/250VAC,2.0 Amps at 30VDC Ordering Information One SPDT in PS10-1,Two SPDT in PS10-2 Model Description Stock No. Environmental Specifications: PS10-1 Pressure switch with one set 1340103 NEMA 4/I1`66 Rated Enclosure-indoor or outdoor when used SPDT contacts with NEMA 4 conduit fittings. PS10-2 Pressure switch with two sets 1340104 Temperature range:-40°F to 140°F(-40°C to 60°C) SPDT contacts Service Use: Hex Key 5250062 Automatic Sprinkler NFPA-13 Cover Tamper Switch Kit 0090200 One or two family dwelling NFPA-13D Tamper Residential Occupancy up to four stories NFPA-13R Cover incorporates tamper resistant fastener that requires a special key for National Fire Alarm Code NFPA-72 removal.One key is supplied with each device. For optional cover tamper switch kit,order Stock No.0090200. See bulletin#5401200 PSCTSK. Installation The Potter PS10 Series Pressure Actuated Switches are designed for the into alarm port piping on the input side of retard chamber and electrically detection of a waterflow condition in automatic fire sprinkler systems of connect PSI 0 to control unit that provides a retard to compensate for surges. particular designs such as wet pipe systems with alarm check valves,dry Insure that no unsupervised shut-off valves are present between the alarm pipe,preaction,or deluge valves. The PS10 is also suitable to provide a check valve and PS 10. low pressure supervisory signal;adjustable between 4 and 15 psi(0,27 and Method 2: When using the PS10 for local bell application or with a control 1,03 BAR). that does not provide a retard feature-the PS 10 must be installed on the alarm 1.Apply Teflon tape to the threaded male connection on the device. outlet side of the retard chamber of the sprinkler system. (Do not use pipe dope) Testing: Accomplished by opening the inspector's end-of-line test valve. 2.Device should be mounted in the upright position(threaded connection down). Allow time to compensate for system or control retard. 3.Tighten the device using a wrench on the flats on the device. Note: Method 2 is not applicable for remote station service use,if there is an Wiring Instructions unsupervised shut-off valve between the alarm check valve and the PSI 0. 1.Remove the tamper resistant screw with the special key provided. Wet System With Excess Pressure 2.Carefully place a screwdriver on the edge of the knockout and Connect PSI 0 into alarm port piping extending from alarm check valve. sharply apply a force sufficient to dislodge the knockout plug.See Fig 9 Retard provisions are not required. Insure that no unsupervised shut-off 3.Run wires through an approved conduit connector and affix the connector valves are present between the alarm check valve and the PSI 0. to the device. Testing: Accomplished by opening the water by-pass test valve or the 4.Connect the wires to the appropriate terminal connections for the inspector's end-of-line test valve.When using end-of-line test,allow time service intended.See Figures 2,4,5,and 6.See Fig 7 for two switch,one for excess pressure to bleed off. conduit wiring. Dry System Testing Connect PS10 into alarm port piping that extends from the intermediate The operation of the pressure alarm switch should be testedupon completion chamber of the alarm check valve. Install on the outlet side of the in-line of installation and periodically thereafter in accordance with the applicable check valve of the alarm port piping. Insure that no unsupervised shut-off NFPA codes and standards and/or the authority having jurisdiction valves are present between the alarm check valve and the PS10. (manufacturer recommends quarterly or more frequently). Testing:Accomplished by opening the water by-pass test valve. Wet System Note: The above tests may also activate any other circuit closer or water Method 1: When using PS10 and control unit with retard-connect PS10 motor gongs that are present on the system. Potter Electric Signal Company, LLC • St. Louis, MO • Phone: 866-956-0988/Canada 888-882-1833 • www.pottersignal.com PRINTED IN USA MFG.#5400928-REV D-1 PAGE 1 OF 3 12/10