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Watts AMES 4000SS Series Installation And Repair Manual

Watts AMES 4000SS Series Installation And Repair Manual

Reduced pressure zone assemblies 8"-12"

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Installation, Maintenance, and Repair Manual
Series 4000SS
Reduced Pressure Zone Assemblies
8" – 12"
WA RN I 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.
NOTICE
For Australia and New Zealand, line strainers should be installed
between the upstream shutoff valve and the inlet of the backflow
preventer.
Fittings such as end connectors intended to join alternative pipe
systems made from other materials (such as plastics) shall also conform
to the relevant dimensional and performance requirements of the
appropriate Australian, New Zealand, or joint Australian–New Zealand
Standard for the alternative pipe system.
Testing
For field testing procedure, refer to Ames installation sheets
IS-A-ATG-1 at 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 at www.amesfirewater.com.
For technical assistance, contact your local Ames representative.
4000SS-OSY with Flood Sensor
Series 4000SS sizes 8" to 10" include a flood sensor that detects
excessive relief valve discharges and triggers notification of potential
flood events.
NOTICE
An add-on connection kit is required to activate the flood sensor.
Without the connection kit, the flood sensor is a passive component
and will not communicate with any other device. (A retrofit sensor
connection kit is also available for existing installations. See "Add-on
and Retrofit Sensor Connection Kits," for ordering details.)
NOTICE
Use of the flood sensor does not replace the need to comply with all
required instructions, codes, and regulations related to installation,
operation, and maintenance of this product, including the need to
provide proper drainage in the event of a discharge.
Watts
is not responsible for the failure of alerts due to
®
connectivity issues, power outages, or improper installation.
RP/IS-A-4000SS

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Summary of Contents for Watts AMES 4000SS Series

  • Page 1 For Australia and New Zealand, line strainers should be installed Watts is not responsible for the failure of alerts due to ®...
  • Page 2 Installation Guidelines Indoor Installation 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. Assembly body should not be painted. • Before installing any Ames assembly, flush the line thoroughly to remove all debris, chips and other foreign objects.
  • Page 3 Servicing the First and Second Checks WARNING Depressurize valve before servicing. Before servicing, shut down the water system and lock out the the check assembly from the 9 o’clock position to the 12 o’clock system, if possible. Then use the following procedure to remove the position.
  • Page 4 Inspecting and Cleaning the First Check Tools required: WARNING • Two pieces of 3/8" all thread rod (approximately 14" long) Depressurize valve before servicing. • Four 3/8" hex nuts Use extreme caution when servicing the first check. • Adjustable crescent wrench •...
  • Page 5 Servicing the Relief Valve 6. Grip the sleeve and the piston assembly by the head of the hex NOTICE head bolt. Pull up on the sleeve to extend the diaphragm. Slide Depressurize valve before servicing. the sleeve (item 26) completely off the diaphragm and inspect the diaphragm for tears, holes, or excessive wrinkles.
  • Page 6 Testing Reduced Pressure Zone Assemblies Follow the requirements of each test when performed to ensure successful installation, operation, and maintenance of the backflow preventer. Ball Type Test Valves Test No.1 Purpose: To test check valve No. 2 for tightness against reverse flow.
  • Page 7: Troubleshooting

    Troubleshooting PROBLEM CAUSE SOLUTION Assembly discharges from differential relief valve during Fouled first check Disassemble and clean check valve #1 no flow condition Fluctuating inlet pressure Control supply line water pressure Install a soft-seated, spring-loaded check valve upstream of the assembly Outlet pressure higher than inlet pressure and leak in Disassemble and clean check valve #2 and identify cause check valve #2...
  • Page 8 USA: Backflow T: (978) 689-6066 • F: (978) 975-8350 • AmesFireWater.com USA: Control Valves T: (713) 943-0688 • F: (713) 944-9445 • AmesFireWater.com Canada: T: (888) 208-8927 • F: (905) 481-2316 • AmesFireWater.ca Latin America: T: (52) 55-4122-0138 • AmesFireWater.com RP/IS-A-4000SS 2348 7020351 © 2023 Watts...

This manual is also suitable for:

Ames 4000ss-osy