10 IOM-A-ACV-930_630 2115
EDP# 1917082
© 2021 Watts
IOM-A-ACV-930_630 2115
© 2021 Watts 11
NOTES
Page 1: ...the Solenoid Control Valve 3 Maintenance Schedule 6 Trouble Shooting Guide 6 Valve Disassembly Instructions 8 ACV Schematic 11 Local building or plumbing codes may require modifica tions to the infor...
Page 2: ...n next page Avoid installing valves 6 and larger in the vertical position main valve stem horizontal Automatic Control Valves ACVs are designed for horizon tal in line installation with the cover faci...
Page 3: ...our valve does not include a bleed valve bleed air by loosen ing a fitting on the valve or a plug at the highest point of the valve assembly STEP 5 Pressure the line by opening the upstream isolation...
Page 4: ...the main valve checking that the main valve opens Step 8 Actuate either electrically or manually the solenoid to closed position to check that the main valve closes STEP 9 Closing Speed Needle Valve...
Page 5: ...ve specification sheets for approximate cover capacity A continuous flow of water from the open port indicates a damaged diaphragm or loose disc diaphragm assembly Disassemble valve and replace diaphr...
Page 6: ...lation valves ensure open Diaphragm is damaged Conduct diaphragm seal test repair and replace if necessary Main valve stem assembly corroded damaged Inspect stem assembly clean replace if necessary Bl...
Page 7: ...Remove cover nuts and washers 3 Remove the cover If cover is not free to be removed loosen it by tapping upward along its outside edge with a dull cold chisel pic tured above a Large valves may requi...
Page 8: ...e brush or by using a Mineral Dissolving Solution Inspect parts for wear and replace if necessary 7 Inspect valve seat If seat is not damaged removal is not necessary Valve seats 6 and smaller are thr...
Page 9: ...r Nuts in a crossing pattern to ensure even distribution Test the Disc and Diaphragm Assembly for smooth travel by following the Freedom of Movement Test procedure in previous section 11 Test the inte...
Page 10: ...s Steel 10 Diaphragm Washer ASTM A536 65 45 12 Epoxy Coated Ductile Iron 11 Diaphragm Buna N Nitrile 12 Disc Retainer ASTM A536 65 45 12 Epoxy Coated Ductile Iron 13 Seat Disc Buna N Nitrile 14 Spacer...
Page 11: ...IOM A ACV 930_630 2115 EDP 1917082 2021 Watts 11 NOTES...
Page 12: ...sts resulting from labor charges delays vandalism negligence fouling caused by foreign material damage from adverse water conditions chemical or any other circumstances over which the Company has no c...
