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14" LPS <br />LEGEND: <br />(FOR SYMBOLS AND ABBREVIATIONS SEE SHT <br />1 MC, 1 MD, 1 ME). <br />GENERAL NOTES: <br />REFERENCE DRAWINGS: <br />THE THREE PRV'S ARE TO BE SET IN AN ADDITIVE <br />PARALLEL OPERATION. PRV-1 WILL BE THE FIRST <br />VALVE ON AND IS TO BE SET AT 17 PSIG <br />(ADJUSTABLE). THE SECOND VALVE ON WILL BE <br />PRV-2 OR PRV-3 DEPENDING ON OUTSIDE AIR <br />TEMPERATURE. "WINTER" OPERATION IS DETERMINED <br />BY AN ADJUSTABLE O.A. SENSOR VIA THE EMCS <br />SET AT APPROX. 477. ON A DROP BELOW <br />SET POINT TEMPERATURE. THE N.O. SOLENOID PILOT <br />(M32) ON PRV-2 IS ENERGIZED AND THE N.C. <br />SOLENOID PILOT (M33) ON PRV-3 IS ENERGIZED <br />CHANGING PRV-3 TO THE SECOND VALVE ON OR <br />THE LEAD VALVE BETWEEN PRV-2 & PRV-3, <br />(DELIVERY PR4ESSURE: PRV # 2 @ 13/#3 @ 16 <br />TO 14 PSI). ON A RISE ABOVE SET POINT, THE N.O. <br />AND N.C. SOLENOID PILOTS ARE DE -ENERGIZED <br />AND PRV-2 IS THE SECOND VALVE ON. <br />(DELIVERY PRESS: PRV #2 @ 16 PSI & PRV#3 <br />@ 13 TO 15 PSI). <br />FOR REFERENCE ONLY <br />FACILITY DESIGN <br />BY FS i <br />DATE 06.27.2022 <br />DRAWN BY DATE SUBTITLE SYMBOL DATE <br />SYM REVISION BY APPROVED DATE SYM REVISION BY APPROVED DATE <br />❑ AUBURN, WA. 98002 ACCEPTABILITY D.R.W. 07.22.96 PIPING & INSTRUMENTATION DIAGRAM (P&ID) LAST REVISION A 07.22.96 <br />A 40-51 AS-BUILTS J 964058-01 CANADA o7.22.ss ❑ BELLEVUE, WA. 98007 THIS DESIGN ANDCHECKED <br /># SPECIFICATION IS APPROVED Q. G. 07.22.96 SHEEP <br />BOE//VG ■ EVERETT, WA. 98201 M 316 <br />ElKENT, WA. 98031 APPROVED BY DEPT. DATE QE CHECKED 07.22.98 TITLE OF <br />FACILITIES DEPARTMENT <br />❑ PORTLAND, OR. 97220 A.E. 07.22.96 BUILDING 40-51 JOB NO. COMP. NO. <br />❑ RENTON, WA. 98055 APPROVED 00028311 <br />❑ SEATTLE, WA. 98124 APPROVED MECHANICAL MASTER COL EVERETT I DWG N0. <br />40-51-M316 <br />