Potter PS10-EX Explosion Proof Pressure Type Waterflow Switch

Features Designed and approved for use in hazardous locations Weatherproof Two independently adjustable switches no tools needed Brass pressure connection Solid metal enclosure document contains important information on the installation operation of PS10 EX pressure switches Please read all carefully before beginning installation A copy of this is required by NFPA 72 to be maintained on site Potter PS10 EX Pressure Actuated Switch is designed for the of a waterflow condition in automatic fire sprinkler systems in hazardous locations classified as shown above Typical are Wet pipe systems with alarm check valves dry pipe or deluge valves The PS10 EX is also suitable to provide low pressure supervisory signal adjustable between 4 and 20 psi and 1,3 BAR Apply Teflon tape to the threaded male connection on the Do not use pipe dope Device should be mounted in the upright position threaded down must be performed by qualified personnel and in accordance with all national and local codes and ordinances hazard Disconnect power source before servicing Serious injury or death could result all instructions carefully and understand them before starting installation Save instructions for future use Failure to read and understand instructions could result in improper operation of device resulting in serious injury or death of explosion Not for use is hazardous locations Serious injury or death could result DEMKO No 03 ATEX 0311298X IECEx UL 18.0005X EN60079 0 2012 A11 2013 EN60079 1 2007 Specifications NPT male brass fitting Dia x 178mm H 6 Dia x 7 H aluminum Setting Range Pressure Contact Entrance Rating Tamper Use switches operate on pressure increase at kPA 41 BAR 6 PSI switches operate on pressure decrease at kPA 34 BAR 5 PSI kPA 27 1.3 BAR 4 20 PSI kPA 07 BAR 1 PSI kPA 20.68 BAR 300 PSI Sets of SPDT Form C Amps at 125 250 VAC Amps at 30 VDC NPT female conduit opening maintain type component protection use an Ex conduit sealing device use in hazardous locations classified by CENELEC db IIB T6 Gb I Div 1 Groups B C D II Div 1 Groups E F G III Div 1 4,9 to 60 40 to 140 incorporates tamper resistant fastener that requires special key for removal One key is supplied with each 13 13D 13R 72 PAGE 1 OF 5 Proof Supervisory Pressure Switch5400982 REV CC 01 18Potter Electric Signal Company LLC St Louis MO Phone Phone 800 325 3936 www pottersignal comfirealarmresources com and Testing the pressure needs to be adjusted from the factory settings adjust system pressure to the desired trip point Use an ohmmeter on the contact COM and NC for pressure decrease and COM NO for pressure increase Adjust the knurled knob until the meter state At that point the switch is set for that particular pressure the adjustments are complete raise and lower the system pressure ensure the switch is properly set and make final adjustments if Final adjustments should be made with a pressure gauge operation of the pressure alarm supervisory switch should be upon completion of installation and periodically thereafter in with the applicable codes and standards and or the authority jurisdiction manufacturer recommends quarterly or more the PS10 EX may activate other system connected devices Conditions For Safe Use of flameproof joints are other than the relevant minimum or specified in Table 2 of EN 60079 1 2007 Pressure switches marked with an and manufacturer drawing no 1350102 detail dimensions of flameproof joints Terminal Connections Plate Terminal 1 I N N I N 923 3 uninsulated section of a single conductor should not be looped the terminal and serve as two separate connections The must be severed thereby providing supervision of the in the event that the wire becomes dislodged from the terminal PAGE 2 OF 5 Proof Supervisory Pressure Switch5400982 REV CC 01 18Potter Electric Signal Company LLC St Louis MO Phone 800 325 3936 www pottersignal comfirealarmresources com System With or Without Excess 1 When using PS10 EX and control unit with retard the PS10 EX into alarm port piping on the input side of chamber and electrically connect PS10 to control unit that a retard to compensate for surges Ensure that no shut off are present between the alarm check valve and the PS10 EX 2 1 Y Y Y 2 When using the PS10 EX for local bell application or a control that does not provide a retard feature the PS10 EX be installed on the alarm outlet side of the retard chamber of the Pipe Alarm Valve trim 3 2 PRESSURE Y Y Y 8880010 1 8880010 1 8880010 1 8880010 1 8880010 1 closing of any shutoff valves between the alarm check valve and the PS10 EX will render the PS10 EX inoperative To comply with the IBC and NFPA 72 any such valve shall be electrically supervised with a supervisory switch such as Potter Model RBVS System Supervisory Signal air the PS10 EX to the Dry Pipe Valve Trim piping on the side of any shutoff or check valve in the supervisory Air Gas Pipe Valve supply line connected to the DPV A Model BVL valve as supplied by Potter Electric Signal St Louis MO or shall be connected between the air line and the device to a means of testing the operation of the supervisory switch Air Only To test the High setting the system pressure must be to operate the switch 4 SYSTEM System Water Flow Alarm the PS10 EX into the piping that extends from the chamber of the dry sprinkler valve Install on the outlet of the in line check valve of the piping Insure that no shut off are present between the dry sprinkler valve and the PS10 EX Accomplished by opening the water by pass test valve SUPERVISORY SWITCH SUPERVISORY SWITCH LINE LINE 1029 1 SYSTEM Y 1029 1 closing of any shutoff valves between the alarm check valve and the PS10 EX will render the PS10 EX inoperative To comply with the IBC and NFPA 72 any such valve shall be electrically supervised with a supervisory switch such as Potter Model RBVS PAGE 3 OF 5 Proof Supervisory Pressure Switch5400982 REV CC 01 18Potter Electric Signal Company LLC St Louis MO Phone Phone 800 325 3936 www pottersignal comfirealarmresources com Electrical Connections 5 For low pressure signal used dry or pre action systems with than 20 psi only AIR SWITCH To ring a local bell for waterflow For waterflow signal AIR SWITCH AIR SWITCH To ring a local bell for waterflow For waterflow signal BREAKER FIRE ALARM PANEL FIRE ALAR