Advertisement
Quick Links
Installation, Operation and Maintenance
Model 982GD / 682GD
Pump Control Control Valve with Backpressure Feature
Sizes: 2" to 24"
WARNING
!
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
!
Local building or plumbing codes may require modifica-
tions to the information provided. You are required to
consult the local building and plumbing codes prior
to installation. If the information provided here is not
consistent with local building or plumbing codes, the
local codes should be followed. This product must be
installed by a licensed contractor in accordance with
local codes and ordinances.
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 . 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 and external components
helps assure maximum life and proper product function .
NOTICE
For Australia and New Zealand: Pipeline strainers should be
installed between the upstream shutoff valve and the inlet of
the backflow preventer.
It's important that this device be tested periodically in compli-
ance with local codes, but at least once per year or more as
service conditions warrant. If installed on a fire sprinkler system,
all mechanical checks, such as alarm checks and backflow
preventers, should be flow tested and inspected internally in
accordance with NFPA 13 and NFPA 25.
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Commissioning the Booster Pump Control Valve . . . . . . . . . . . . . . 3
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Trouble Shooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Valve Disassembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . 8
ACV Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
IOM-A-ACV-982_682
Page
Advertisement
Summary of Contents for AMES 982GD
-
Page 1: Table Of Contents
IOM-A-ACV-982_682 Installation, Operation and Maintenance Model 982GD / 682GD Pump Control Control Valve with Backpressure Feature Sizes: 2" to 24" WARNING 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. -
Page 2: Installation
982GD (Globe) Pump Control Control Valve with Backpressure Feature Standard Components 1 – Main Valve (905GD – Single Chamber) 2 – Pressure Sustaining Control 3 – Model 22 Accelerator Control 4 – Limit Switch 5 – 3-Way Solenoid 6 – Check Valve 4(L) 7 –... -
Page 3: Commissioning The Booster Pump Control Valve
Valve Servicing Dimensions FLOW FLOW FLOW FLOW The following tables detail the recommended minimum valve servicing dimensions. Globe Size (in) 1 1/4 1 1/2 21/2 A (in) B (in) Angle Size (in) 1 1/4 1 1/2 2 1/2 C (in) D (in) Commissioning the Booster Pump Control Valve STEP 1... - Page 4 STEP 6 Counterclockwise to INCREASE Clockwise to DECREASE the rate of opening rate of opening Opening Speed Flow Control Adjustment: The Opening speed needle valve restricts flow out of the cover of the main valve. If the main valve is opening too slowly turn the adjustment screw OUT, counterclockwise, increasing the rate of opening (See Figure 2B).
-
Page 5: Maintenance Schedule
Automatic Control Valve Maintenance Schedule To ensure peak performance and longevity of your automatic • Annual Maintenance control valve, Watts/Ames recommends following the below – Conduct monthly & quarterly inspections. standard maintenance schedule. – Inspect & clean all strainers. • Monthly Maintenance –... - Page 6 Troubleshooting Guide Issue Possible Cause Corrective Action Notes Main Valve will not Closed isolation valves in pilot system. Check isolation valves, ensure open open. Insufficient supply pressure. Check upstream pressure. Depending on water source, supply pressure may not be controlled by valve operator.
-
Page 7: Valve Disassembly Instructions
Valve Disassembly Instructions Before undertaking valve disassembly, it is recommended to gather the following tools to aid you during the process: • Small & large adjustable wrenches • Screwdriver set • Machinist fine metal file • Fine wire brush • Bench vise •... - Page 8 6. After removing the Stem Nut, the remainder of the Disc & Diaphragm Assembly should disassemble easily. Polish stem guide surfaces with fine emery cloth to remove any mineral deposits and inspect for excessive wear. Remove any mineral build-up from other components with wire brush or by using a Mineral Dissolving Solution.
- Page 9 8. Replace Seat Disc, Diaphragm and Spacer Washers provided in Main Valve repair kit (refer to Table 2 or 3 for correct repair kit part number). Re-assemble in the reverse order of disassembly. Table 2: Full Port Valve (905GD/905AD) Repair Kits Size (in) 1 1/4 1 1/2...
- Page 10 ACV Assembly Diagram – Series 982GD NOTICE Installation: If unit is installed in any orientation other than horizontal (cover up) OR extreme space constraints exist, consult customer service prior to or at the time of order. Item Description Material Pipe Plug...
- Page 11 NOTES IOM-A-ACV-982_682 2115 EDP# 1917092 © 2021 Watts...
- Page 12 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 IOM-A-ACV-982_682 2115 EDP# 1917092 ©...
Need help?
Do you have a question about the 982GD and is the answer not in the manual?
Questions and answers