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Installation, Maintenance, & Repair
Series 4000SS/5000SS
Reduced Pressure Zone Assemblies & Reduced Pressure Detector Assemblies
Sizes: 2
⁄
" – 6" (65 – 150mm)**
1
2
WA R NI N G
!
Read this Manual BEFORE using this equipment.
Failure to read and follow all safety and use information can
result in death, serious personal injury, property damage, or
damage to the equipment.
Keep this Manual for future reference.
WARNING
!
You are required to consult the local building and plumbing
codes prior to installation. If the information in this manual
is not consistent with local building or plumbing codes,
the local codes should be followed. Inquire with governing
authorities for additional local requirements.
WARNING
!
Need for Periodic Inspection/Maintenance: This product must
be tested periodically in compliance with local codes, but at least
once per year or more as service conditions warrant. If installed on
a fire suppression system, all mechanical checks, such as alarms
and backflow preventers, should be flow tested and inspected in
accordance with NFPA 13 and/or NFPA 25. All products must be
retested once maintenance has been performed. Corrosive water
conditions, and/or unauthorized adjustments or repair could render
the product ineffective for the service intended. Regular checking
and cleaning of the product's internal components helps assure
maximum life and proper product function.
WARNING
!
The installation and maintenance of backflow assemblies
should be performed by a qualified, licensed technician.
Failure to do so may result in a malfunctioning assembly.
www.amesfirewater.com
4000SS
NOTICE
For Australia and New Zealand, line strainers should be installed
between the upstream shutoff valve and the inlet of the backflow
preventer.
NOTICE
The flange gasket bolts for the gate valves should be
retightened during installation as the bolts may have loosened
due to storage and shipping.
Testing
For field testing procedure, refer to Ames installation sheets
IS-A-ATG-1 found on www.amesfirewater.com.
For other repair kits and service parts, refer to our Backflow
Prevention Products Repair Kits & Service Parts price list
PL-A-RP-BPD found on www.amesfirewater.com.
For technical assistance, contact your local Ames representative.
** Metric Dimensions are nominal pipe diameter. This product is produced with
ASME/ANSI flanged end connections.
A Watts Water Technologies Company
RP/IS-A-4000SS/5000SS
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Table of Contents
Summary of Contents for AMES Silver Bullet 4000SS Series
- Page 1 If the information in this manual Testing is not consistent with local building or plumbing codes, the local codes should be followed. Inquire with governing For field testing procedure, refer to Ames installation sheets authorities for additional local requirements. IS-A-ATG-1 found on www.amesfirewater.com. WARNING For other repair kits and service parts, refer to our Backflow Prevention Products Repair Kits &...
- Page 2 NOTICE Assembly body should not be painted. Please Read Prior to Installation: Before installing any Ames assembly, Flush the Line thoroughly to remove all debris, chips and other foreign objects. Failure to do so may make the assembly inoperable. The Ames 4000SS and 5000SS Reduced Pressure Zone As- semblies are approved by ASSE (American Society of Sanitation Engineers) to be installed in horizontal positions.
- Page 3 Maintenance Instructions WARNING Depressurize valve before servicing. Figure 2 Removing Cam-Checks Shut down water system and lock out system if possible. Slowly Screwdriver open all ball valves to relieve air and water pressure. Loosen bolts on groove coupler and remove groove coupler and cover plate from valve body.
- Page 4 Relief Valve Service Instructions WARNING Depressurize valve before servicing. The relief valve may be serviced while on or off the backflow pre- venter valve. NOTICE Do not use a pipe wrench to remove the relief valve assembly from the backflow preventer. Relief Valve Disassembly Disconnect the relief valve hose from the elbow in the bottom flange cover at the swivel hose connection.
- Page 5 Relief Valve Reassembly Thoroughly clean all inside surfaces of the relief valve body. Figure 6 Inspect the relief valve body seat surface located at the top Relief Valve edge of the 3 discharge slots near the top of the body by rub- Figure 6 bing the end of the index finger around the entire seat surface;...
- Page 6 Testing — Reduced Pressure Zone Assemblies Test No.1 Purpose: To test check valve No. 2 for tightness against reverse flow. Ball Type Test Valves Requirements: Valve must be tight against reverse flow under all pressure differentials. Slowly open the ‘high’ valve A and the ‘vent’...
- Page 7 Troubleshooting Guide PROBLEM CAUSE SOLUTION A. Assembly discharges from differential Fouled first check Disassemble and clean No. 1check valve relief valve during no flow condition. Fluctuating inlet pressure Control supply line water pressure Outlet pressure higher than inlet pressure Disassemble, clean #2 check valve & &...
- Page 8 For more information: www.watts.com/prop65 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.
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