Title: AV-1 alarm valve.pdf
Step 10. Verify that water ceases to flow from the alarm line drain. If water continues to flow, follow the corrective procedure described in the Care and Maintenance section.The Restriction Assembly has a 1/8 inch (3,2 mm) diameter drain orifice. Sufficient time must be allowed for drainage of the Retard Chamber and the piping to the water motor alarm.Step 11. After verification that the flow of water out of the alarm line drain has stopped, the alarm valve is set and is ready for service.TFP910 Page 6 of 201/2 INCH NPT CONNECTION FOR WATERFLOW PRESSURE ALARM SWITCHLOCATION FOR OPTIONAL ELECTRICALLY SUPERVISED N.O. ALARM CONTROL VALVEMODEL RC-1 RETARD CHAMBERORDERED SEPARATELY (FOR VARIABLE PRESSURE SYSTEMS)NO.DESCRIPTIONQTY.P/NNO.DESCRIPTIONQTY.P/N12 3 4 5 6 7 8 9 101112 13 14 15 16