Potter PSTA System Trouble Alarm

PSTA SYSTEM TROUBLE ALARM 5.5 H x 3.0 W x 1.7 D PSTA 4 LBS 1.1 LBS Red Polycarbonate Limitations NEMA 1 rated enclosure Indoor use only Temperature range 0 F to 120 F 17 to 49 Power Ratings VAC 2 Amps Max Amps 110 250 VAC Resistive Amps 0 30 VDC Resistive Supplied with 1 12VAC Transformer and 2 2.2K E O L R PSTA may be directly mounted to the sprinkler pipe using hose not supplied as shown in Figure 1 Connect wiring from Zone on the PSTA to the low high air pressure switch Connect wiring Zone 2 to the room temperature switch Plug in the 12 volt ac supplied into a continuously powered 110 volt ac outlet auxiliary contacts may be used to operate a remote audio or visual as shown in Figure 3 Installation And Wiring Instructions the PSTA enclosure on a wall or the PSTA may be directly to the sprinkler pipe using hose clamps not supplied as shown Figure 1 On the PAAR remove and discard the fuse cover from the valve terminals and plug the supplied wiring harness connectors the shutoff valve Connect wiring from Zone 1 on the PSTA to the harness of the PAAR The PAAR is a normally closed contact that upon operation The EOLR of the PSTA must be wired in series the PAAR harness see Figure 2 Plug the 12 volt ac transformer into a continuous powered 110 volt ac outlet The auxiliary may be used to operate a remote audio or a visual device as in gure 3 the system air pressure below the pressure switch setting The should go into a trouble condition Press the reset switch P and system status LED should indicate Zone 1 trouble Raise the system pressure to normal pressure The PSTA should restore to normal the temperature of the room temperature switch by applying cooler The PSTA should again indicate a trouble condition Press reset switch P and the system status LED should indicate Zone 2 When the room temperature switch warms above the set position PSTA should restore to normal If a remote audio or visual device is it should operate when either zone goes into trouble No 2040001 Model PSTA is a system trouble alarm that is designed to monitor conditions on re sprinkler components where a re alarm not present or if an additional localized annunciator is desirable The has speci c applications on dry pipe sprinkler systems to monitor and high air pressure and low room temperature on the dry pipe riser The PSTA also can be used to provide noti cation of the of Potter PAAR Potter Automatic Air Release The unit of a micro processor based annunciator with an LED system monitor an internal buzzer and a set of S P D T dry relay contacts may be used for remote annunciation the normal stand by condition the system status LED blinks at rate of 1 second on and 4 seconds off When a trouble condition the system status LED lights continuously the buzzer sounds the relay contacts transfer The buzzer and relay contacts can be by pressing the large P located in the center of the enclosure this point the system status LED will ash a code indicating what is in trouble The code sequence is as follows 1 2 1 2 Feature PSTA has an automatic resound feature that will resound the buzzer transfer the relay contacts if the source of trouble is not corrected after 1 or 4 hour delay time selected by a slide switch on the printed circuit The PSTA may again be reset by pressing the reset switch P sequence will continue until the source of trouble is corrected Pipe Installation And Wiring Instructions the PSTA enclosure on a wall adjacent to the dry pipe riser or Electric Signal Company LLC 2081 Craig Road St Louis MO 63146 4161 Phone 800 325 3936 Canada 888 882 1833 www pottersignal com IN USA 5401109 REV F 1 OF 2 1 Mount PSTA With Hose Clamps To Pipe As Shown 2 PAAR Installation And Wiring SYSTEM TROUBLE ALARM 3 PSTS Circuit Board IN USA 5401109 REV F 2 OF 2