Laserfiche WebLink
(P'� POTTER PS40 SERIES <br /> The Symbol of Protection PRESSURE SWITCH <br /> (UL, cUL, and CSFM Listed, FM and LPC Approved, NYMEA <br /> Accepted,CE Marked Pending) <br /> Dimensions:3.78"(9,6cm)W x 3.20"(8,lcm)D x 4.22"(10,7cm)H <br /> ©�0�� Conduit Entrance: Two knockouts provided for 1/2"conduit.Individual <br /> ���syT M ".MM switch compartments and ground screw suitable for <br /> S< <I—,1 dissimilar voltages <br /> 2 <br /> 0— E <br /> S40— Enclosure: Cover-Die-cast with textured red powdercoat finish,single <br /> • P <br /> •. cover screw and rain lip. <br /> Base-Die-cast <br /> Pressure Connection:Nylon 1/2"NPT male <br /> Factory Adjustment: PS40-1 operates on decrease at 30 PSI(2,1 BAR) <br /> PS40-2 operates in increase at 50 PSI(3,5 BAR) <br /> and on decrease at 30 PSI(2,1 BAR) <br /> Pressure Range: 10-60 PSI(,7-4,1 BAR) <br /> Differential: Typical 1 lb.at 10 PSI(,07 at,7 BAR) <br /> 41bs at 60 PSI(,28 at 4,1 BAR) <br /> Maximum System Pressure:300 PSI(20,68 BAR) <br /> Switch Contacts: SPDT(Form C) <br /> 10.1 Amps at 125/250VAC,2.0 Amps at 30VDC <br /> One SPDT in PS40-1,Two SPDT in PS40-2 <br /> Environmental Specifications: <br /> NEMA 4/IP55 Rated Enclosure-indoor or outdoor when used <br /> with NEMA 4 conduit fittings. <br /> Temperature range:-40°F to 140°F(-40°C to 60°C) <br /> Tamper: Cover incorporates tamper resistant fastener that requires a <br /> Ordering Information special key for removal. One key is supplied with each device. <br /> For optional cover tamper switch kit,order Stock No.0090200. <br /> Model Description Stock No. See bulletin#5401200 PSCTSK. <br /> PS40-1 Pressure switch with one set SPDT contacts 1340403 Service Use: <br /> PS40-2 Pressure switch with two sets SPDT contacts 1340404 Automatic Sprinkler NFPA-13 <br /> Hex Key 5250062 One or two family dwelling NFPA-13D <br /> Cover Tamper Switch Kit 0090200 Residential Occupancy up to four stories NFPA-13R <br /> BVL Bleeder valve 1000018 National Fire Alarm Code NFPA-72 <br /> Installation <br /> The PotterPS40 Series Pressure Actuated Switches are designed primarily to 4. Connect the wires to the appropriate terminal connections for the <br /> detect an increase and/or decrease from normal system pressure in automatic service intended. See Figures 2,4,5,6,and 8 <br /> fire sprinkler systems. Typical applications are:Dry pipe system,pre-action Adjustment And Testing <br /> air/nitrogen supervision,pressure tanks,air supplies,and water supplies. The operation of the pressure supervisory switch should be tested upon <br /> The PS40 switch is factory set for 40 PSI(2,8 BAR)normal system pressure. <br /> The switch marked with the word LOW is set to operate at apressure decrease completion installation and periodically thereafter in accordance with <br /> of 10 PSI(,7 BAR)at 30 PSI(2,1 BAR). The switch marked with the word the applicabllee NFPA codes and standards and/or the authority having <br /> jurisdiction(manufacturer recommends quarterly or more frequently). <br /> HIGH is set to operate at a pressure increase of 10 PSI(,7 BAR)at 50 PSI <br /> (3,5 BAR). See section heading Adjustments and Testing if other than Note: Testing the PS40 may activate other system connected devices. <br /> is required. The use of a Potter BVL(see product bulletin 8900067 for details)is <br /> factory set point <br /> 1. Connect the is to the system side of any shutoff or check valve. recommended to facilitate setting and testing of the PS40 pressure switch. <br /> 2. Apply Teflon tape to the threaded male connection on the device. When a BVL(bleeder valve)is used,the pressure to the switch can be <br /> (Do not use pipe dope) isolated and bled from the exhaust port on the BVL without effecting the <br /> 3. Device should be mounted in the upright position. supervisory pressure of the entire system. See Fig.3 <br /> (Threaded connection down) The operation point of the PS40 Pressure Switch can be adjusted to any <br /> 4. Tighten the device using a wrench on the flats on the device. point between 10 and 60 PSI(0,7-4,11 BAR)by turning the adjustment <br /> knob(s)clockwise to raise the actuation point and counter clockwise to <br /> Wiring Instructions lower the actuation point. In the case of the PS40-2,both switches operate <br /> 1. Remove the tamper resistant screw with the special key provided. independent of each other. Each switch may be independently adjusted to <br /> 2. Carefully place a screwdriver on the edge of the knockout and sharply actuate at any point acrosss the switch adjustment range. Initial adjustment <br /> apply a force sufficient to dislodge the knockout plug. See Fig.9 can be made with a visual reference from the top of the adjustment knob <br /> 3. Run wires through an approved conduit connector and affix the across to the printed scale on the switch bracket. Final adjustments should <br /> connector to the device. A NEMA-4 rated conduit fitting is be verified with a pressure gauge. <br /> required for outdoor use. <br /> Potter Electric Signal Company, LLC • St. Louis, MO • Phone: 866-956-0988/Canada 888-882-1833 • www.pottersignal.com <br /> PRINTED IN USA MFG.#5400930-REV D PAGE 1 OF 3 <br /> 1/08 <br />