Installation & Maintenance Instructions SERIES

1 Page 1 of 3E209181---05/10 ASCO ValvesREASCO Valve, Hanover Road, Florham Park, New Jersey 07932 Rights & Maintenance InstructionsI&M MINIATURE SIZED SOLENOID VALVESBRASS AND STAINLESS STEEL CONSTRUCTIONSERIES8320 NORMALLY CLOSED, NORMALLY OPEN AND UNIVERSAL OPERATION1/8 NPT -- 3/64, 1/16, 3/32 AND 1/8 ORIFICENOTICE: See separate solenoid Installation andmaintenance Instructions for information on: Wiring,Solenoid Temperature, Cause of Improper Operation andCoil 8320 valves are 3---way, direct---acting, miniature sizedsolenoid valves with all three pipe connections located in the valvebody.

2 valves are of rugged brass or stainless steel valves have a General Purpose NEMA Type 1 SolenoidEnclosure. valves may also be equipped with a solenoid enclosurewhich is designed to meet NEMA Type 4 --- Watertight, NEMAType 7 (C or D) Hazardous Locations --- Class II, Groups E, F orG. See Installation and Maintenance Instructions , V9531 forExplosionproof/Watertight Solenoid Closed:Applies pressure when solenoid is energized;exhausts pressure when solenoid is de---energized. Flow isConnection 2 to 1 when solenoid is energized. Connection 3 is closed.

3 Flow is from Connection 1 to 3 when solenoid isde---energized. Connection 2 is closed. Pressure is applied atConnection 2 .Normally Open:Applies pressure when solenoid is de---energized;exhausts pressure when solenoid is energized. Flow is Connection 1 to 2 when solenoid is energized. Connection 3 is closed. Flow isfrom Connection 3 to 1 when solenoid is 2 is closed. Pressure is applied at Connection 3 .Universal:For normally closed or normally open operation, selectionor diversion of pressure can be applied at Connections 1 , 2 or 3.

4 Flow is between Connection 1 to 2 when solenoid is 3 is closed. Flow is between Connection 1 to 3 when solenoid is de---energized. Connection 2 is closed. Pressuremay be applied at Connection 1 , 2 or 3 .Manual Operation ( valves with Suffix MS):Manual operator allowsmanual operation when desired or during an electrical power screw type manual operator is in the off position whenscrewdriver slot is in the horizontal position. To engage manualoperator, rotate stem on the side of the body clockwise 90 . Valve willnow be in the same position as when the solenoid is energized.

5 Todisengage, rotate the stem counterclockwise back to 0 in its originalhorizontal CLOSEDNORMALLY OPENDE---ENERGIZEDDE---ENERGIZEDENERGIZE DENERGIZED123123123123123123 UNIVERSALPRESSURE AT ANY ORIFICEFlow DiagramPRESSURE AT 2 PRESSURE AT 3 PRESSURE AT ANY ORIFICEPRESSURE AT 3 PRESSURE AT 2 INSTALLATIONC heck nameplate for correct catalog number, pressure, voltage,frequency, and service. Never apply incompatible fluids or exceedpressure rating of the valve. Installation and valve Maintenance to beperformed by qualified LimitationsFor maximum valve ambient and fluid temperatures, refer to thefollowing table.

6 For higher ambient and fluid temperatures,consult factory. Check catalog number prefix and watt rating onnameplate to determine the maximum FluidTemp C F C FAC6 None, DA orSA257782180DB, LB, SB,DF, FT or SFHorF5012293200 HTH60140932009[None, DP , FT,HT, LB, S orSFA, For H257749120[Catalog Numbers 8320B130, 8320B131, 8320B134, 8320B135,8320B138, 8320B139, 8320A140, 8320A141, 8320A144, 8320A145,8320A148 and 8320A149 are limited to a fluid temperature of 60_C(140_F).PositioningThis solenoid is designed to perform properly when mounted inany position.]]

7 However, for optimum life and performance, thesolenoid should be mounted vertically and upright to reduce thepossibility of foreign matter accumulating in the cartridge mounting dimensions of mounting bracket, refer to Figure piping or tubing to valve according to markings on valvebody. Apply pipe compound sparingly to male pipe threads applied to valve threads, the compound may enter the valve andcause operational difficulty. Avoid pipe strain by properlysupporting and aligning piping. When tightening the pipe, do notuse valve or solenoid as a lever.

8 Locate wrenches applied to valvebody or piping as close as possible to connection : To protect the solenoid valve, install astrainer or filter, suitable for the service involved, in the inletside as close to the valve as possible. Clean periodicallydepending on service conditions. See ASCO SERIES 8600,8601 and 8602 for 2 of 3I&M Valve, Hanover Road, Florham Park, New Jersey 07932 must comply with local codes and the NationalElectrical Code. Housings for all solenoids are provided withaccommodations or connections for 1/2 inch conduit.

9 Thegeneral purpose solenoid enclosuremay berotated tofacilitatewiring by removing the retaining cap or : Whenmetalretaining clipdisengages,it willspringupward. Rotate coil to desired position. Replace retaining clipbefore : AC and DC solenoids are built differently. To convertfrom one to the other, it is necessary to change the completesolenoid, including the plugnut/core tube sub---assembly andcore TemperatureStandard catalog valves are supplied with coils designed forcontinuous duty service. When the solenoid is energized for along period, the solenoid enclosure becomes hot and can betouched with the hand only for an instant.

10 This is a safeoperating temperature. Anyexcessiveheating will beindicatedby the smoke and odor of a burning coil : To prevent the possibility of death,personal injury or property damage, turn offelectrical power, depressurize valve, and ventfluid to a safe area before servicing the : It is not necessary to remove the valve from the pipeline solenoid valves should be cleaned periodically. The time betweencleanings will vary depending on the medium and service general, if the voltage to the coil is correct, sluggish valve operation,excessive noise or leakage will indicate that cleaning isrequired.