An automatic controller connects via a Paige electrical P7200-D cable and two number fourteen wires housed in one-inch polyvinyl chloride conduit to a master valve relay and flow sensor box. The pressure supply line features a flow sensor sized per plan and a master control valve normally set in the open position, both housed within twelve by eighteen-inch plastic boxes and covers with locks marked F.S. and M.C.V. respectively. Threaded fittings use thread sealant number 8200, and all wire connections are waterproofed. The valve boxes sit flush with finish grade in turf areas or two inches above finish grade in groundcover areas, placed atop a minimum six-inch depth of three-quarter-inch pea gravel.
FLOW SENSOR SIZE FLOW SENSOR SIZE MIN. 10 X DIA. OF MIN. 5 X DIA. OF 1 3 4 5 2 9 11 6 12 14 13 8 7 10 1 3 4 5 11 12 13 14 2 6 8 10 9 7 SET VALVE BOX FLUSH WITH FINISH GRADE IN TURF AREAS. SET 2" ABOVE FINISH GRADE IN GROUNDCOVER AREAS. ALL WIRES ARE TO BE AS NOTED. USE SEALS PIPES NO. 8200 ON ALL THREADED FITTINGS. WATERPROOF ALL WIRE CONNECTIONS. NOTES: 1. 2. 3. 4. PRESSURE SUPPLY LINE TO BE SAME DIAMETER AS FLOW SENSOR AUTOMATIC CONTROLLER (BEYOND) MASTER VALVE RELAY AND FLOW SENSOR 'LARK' BOX INSIDE CONTROLLER ENCLOSURE. PAIGE ELECTRICAL P7200-D CABLE SHOWN DIAGRAMATICALLY. TO BE LOCATED IN 1" P.V.C. CONDUIT. (2) NO. 14 WIRES SHOWN DIAGRAMATICALLY. TO BE LOCATED IN 1" P.V.C. CONDUIT. FLOW SENSOR SIZED PER PLAN MASTER CONTROL VALVE (NORMALLY SET IN THE OPEN POSITION) PRESSURE SUPPLY LINE (DISCHARGE) 12" X 18" PLASTIC BOX AND COVER W/ LOCK TOP MARKED: F.S. BOX TO BE PLACED AT RIGHT ANGLE TO HARDSCAPE EDGE. 12" X 18" PLASTIC BOX AND COVER W/ LOCK TOP MARKED: M.C.V. FINISH GRADE PVC TEE 3/4" PEA GRAVEL (MIN. 6" DEPTH) COUPLING
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