Manual

ManualsBrandsAmes Fire & Waterworks ManualsEquipment5000RPDA Reduced Pressure Detector Assemblies

Installation, Operation,

Maintenance and Parts Manual for

Back ow Prevention Assemblies

Double Check Valve Assembly Series 2000DCA 4" – 10" (100 - 250mm)

Double Check Detector Assembly Series 3000DCDC 4" – 10" (100 - 250mm)

Reduced Pressure Zone Assembly Series 4000RP 4" – 10" (100 - 250mm)

Reduced Pressure Detector Assembly Series 5000RPDA 4" – 10" (100 - 250mm)

TABLE OF CONTENTS

Caution .......................................................2

Application .................................................2

a. Double Check Valve Assembly

Series 2000DCA

b. Double Check Detector Assembly

Series 3000DCDC

c. Reduced Pressure Zone Assembly

Series 4000RP

d. Reduced Pressure Detector Assembly

Series 5000RPDA

Installation ..................................................2

Testing ........................................................4

a. Double Check Valve Assembly

Series 2000DCA .............................4

b. Double Check Detector Assembly

Series 3000DCDC ..........................4

c. Reduced Pressure Zone Assembly

Series 4000RP ................................5

d. Reduced Pressure Detector ........

Assembly Series 5000RPDA ......................5

Troubleshooting Guide ...............................6

Problem Identi cation Procedures .............7

Maintenance ...............................................8

Parts .........................................................12

Warranty ...................................................16

IOM-A-BPA

Limited Warranty: Ames Fire & Waterworks (the “Company”) warrants each product to be free from defects in material and

workmanship under normal usage for a period of one year from the date of original shipment. In the event of such defects within

the warranty period, the Company will, at its option, replace or recondition the product without charge.

THE WARRANTY SET FORTH HEREIN IS GIVEN EXPRESSLY AND IS THE ONLY WARRANTY GIVEN BY THE COMPANY WITH

RESPECT TO THE PRODUCT. THE COMPANY MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED. THE COMPANY

HEREBY SPECIFICALLY DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE

IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

The remedy described in the first paragraph of this warranty shall constitute the sole and exclusive remedy for breach of warranty,

and the Company shall not be responsible for any incidental, special or consequential damages, including without limitation, lost

profits or the cost of repairing or replacing other property which is damaged if this product does not work properly, other costs

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 control. This warranty shall be invalidated by

any abuse, misuse, misapplication, improper installation or improper maintenance or alteration of the product.

Some States do not allow limitations on how long an implied warranty lasts, and some States do not allow the exclusion or

limitation of incidental or consequential damages. Therefore the above limitations may not apply to you. This Limited Warranty

gives you specific legal rights, and you may have other rights that vary from State to State. You should consult applicable state

laws to determine your rights. SO FAR AS IS CONSISTENT WITH APPLICABLE STATE LAW, ANY IMPLIED WARRANTIES THAT

MAY NOT BE DISCLAIMED, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

PURPOSE, ARE LIMITED IN DURATION TO ONE YEAR FROM THE DATE OF ORIGINAL SHIPMENT.

www.amesfirewater.com

A Division of Watts Water Technologies, Inc.

Summary of content (16 pages)

PAGE 1
Installation, Operation, Maintenance and Parts Manual for Backflow Prevention Assemblies IOM-A-BPA Double Check Valve Assembly Series 2000DCA 4" – 10" (100 - 250mm) Double Check Detector Assembly Series 3000DCDC 4" – 10" (100 - 250mm) Reduced Pressure Zone Assembly Series 4000RP 4" – 10" (100 - 250mm) Reduced Pressure Detector Assembly Series 5000RPDA 4" – 10" (100 - 250mm) TABLE OF CONTENTS Caution .......................................................2 Application .....................................
PAGE 2
INSTALLATION, OPERATION AND MAINTENANCE MANUAL DOUBLE CHECK VALVE ASSEMBLY, DOUBLE CHECK DETECTOR ASSEMBLY, REDUCED PRESSURE ZONE ASSEMBLY, AND REDUCED PRESSURE DETECTOR ASSEMCAUTION: caused by debris in pipeline or improper installation is not included in this warranty coverage. If a malfunction occurs or a possible warranty situation exists, follow the instructions in the maintenance manual to correct the problem. CONTACT YOUR LOCAL AMES REPRESENTATIVE.
PAGE 3
TYPICAL INSTALLATION SERIES 2000DCA – 3000DCDC INDOOR INSTALLATION Minimum Clearance 12" (300mm) Maximum Clearance 30" (762mm) OUTDOOR INSTALLATION Minimum Clearance 12" (300mm) Maximum Clearance 30" (762mm) SERIES 4000RP - 5000RPDA INDOOR INSTALLATION Minimum Clearance 12" (300mm) Maximum Clearance 30" (762mm) OUTDOOR INSTALLATION Minimum Clearance 12" (300mm) Maximum Clearance 30" (762mm) 3
PAGE 4
TESTING PROCEDURES: SERIES 2000DCA AND 3000DCDC DIAGRAM SHOWS TEST SET-UP FOR FIRST CHECK SHUTOFF VALVE 2 Requirements: The check valve shall be tight against reverse flow under all pressure differentials. Test Number One Purpose: To test No. 1 check valve for tightness against reverse flow. TESTING OF NO. 2 CHECK VALVE TESTING OF NO. 1 CHECK VALVE STEP NO. 1 Close test cock No. 1. STEP NO. 1 Close No. 1 and No. 2 shutoff valves. STEP NO. 2 Open test cock No. 4. STEP NO. 2 Open test cocks No.
PAGE 5
TESTING PROCEDURES: SERIES 4000RP AND 5000RPDA TEST SET UP Close Valves (A), (B) and (C) on Test Kit. Connect the No. 2 Test Cock of the device to the “HIGH” Hose. Connect the No. 3 Test Cock of the device to the “LOW” Hose. Close No. 2 shutoff valve of the device. Open Test Cocks No. 2 and No. 3. Open “Vent” (C) valve. Open “High” (A) valve and bleed to atmosphere until all the air is expelled. Close the “High” (A) valve. Open the “Low” (B) valve and bleed to atmosphere until all air is expelled.
PAGE 6
TROUBLESHOOTING GUIDE SERIES 2000DCA AND 3000DCDC PROBLEM CAUSE SOLUTION Check valve fails to hold minimum Debris on seating area eliminate debris leaking gate valve (this is determined repair or replace separately during the test procedure) damaged seat disassemble and replace damaged clapper plate disassemble and replace broken spring disassemble and replace CHECK VALVE DISC COMPRESSION (When Using A Duplex Pressure Gauge) During the ‘initial test’, both the high and low side gauges may drop a
PAGE 7
PROBLEM CAUSE SOLUTION C. Differential pressure relief valve does not open during test Differential pressure across No.
PAGE 8
MAINTENANCE INSTRUCTIONS: 9. Bolt replacement knuckle joint assembly as in step 7 FT LBS. Ames backflow prevention assemblies require minimum maintenance. Maintenance on all internal components can be performed without removal of the assembly from line service. All assemblies must be retested once maintenance has been performed. 10.Push on clapper plate to extend spring and install retainer clip. Unbolt knuckle joint assembly from mounting link holes.
PAGE 9
MAINTENANCE INSTRUCTIONS 8. Remove tong tool from device. 5. Remove the two rear mounting nuts from exterior of body. 9. Remove 2 - 3⁄8" mounting bolts from front of body. 6. While depressing tong tool handle, work rear mounting link away from port tube. (Caution: considerable tension is on tong tool hold firmly). 10.Remove knuckle joint assembly from body. 11.Reinstall new knuckle joint assembly by reversing above procedure. 7.
PAGE 10
REMOVAL AND REPAIR OF RELIEF VALVE (See Drawing Page 15) 4. Stretch to 3" diameter and lubricate O-ring and place in O-ring groove. Place relief valve spring in body. Place lid with bolts on piston assembly and thread diaphragm over bolts. Ensure that diaphragm is not pinched between lid and washer plate. Reassemble unit assuring spring is seated over guide and that tube is carefully pushed through O-ring in body. Hand tighten bolts.
PAGE 11
MAINTENANCE INSTRUCTIONS: Installing New Bronze Seat (Drawing V) DRAWING V 1. Clean debris from seat area. 2. Lubricate seat area with water soluble FDA approved lubricant. 3. Install tooling as per Drawing V. 4. Using two crescent wrenches, tighten nuts on rod in opposite directions until seat, with O-ring, is securely into place. Visually inspect seat to ensure contact with body. 5. Remove tooling. 6. Install knuckle joint and lid. II.
PAGE 12
PARTS SERIES 2000DCA AND 3000DCDC 1 13 ITEM NO. DESCRIPTION QTY.
PAGE 13
PARTS SERIES 4000RP EPOXY 18 18 14 ITEM NO. DESCRIPTION QTY.
PAGE 14
PARTS SERIES DC - DCDC (100-150mm) (200-250mm) ITEM NO. DESCRIPTION QTY.
PAGE 15
PARTS SERIES 5000RPDA EPOXY 1 7 18 All 1st Checks and 8" and 10" 2nd Checks (200-250mm) 8 11 11 2 3 4 6 14 ITEM NO. DESCRIPTION QTY.
PAGE 16
PARTS DIFFERENTIAL PRESSURE RELIEF VALVE FOR SERIES 4000RP ITEM NO. RELIEF VALVE (Section View) DESCRIPTION QTY.