Related Manuals for Armstrong 3760 ProVDG Series
Summary of Contents for Armstrong 3760 ProVDG Series
- Page 1 Installation and operating instructions 3760 ProVDG Range Pressurisation Equipment Combined Pressurisation and Vacuum Degassing Equipment File No: 37.205 Date: july 10, 2023 Supersedes: new Date: new...
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Page 3: Table Of Contents
contents Pressures in A Sealed System Maintenance About this Manual Visual Inspection Conventions used in this Manual Interrogate Controller Typography Test Unit Operation Pro PDG Equipment Overview Check Float Valve Operation Principal of Operation Check Float Switch Operation Installation Check Break Tank Water Condition Pipe Connections Check Strainer Typical Installation Diagram... -
Page 4: Pressures In A Sealed System
install ation & 3760 ProVDG Combined Pressurisation operat ing instructions and Degassing Equipment Pressures in A Sealed System Pressures in A Sealed System Below is an overview of how the settings on a pressurisation unit must be considered for normal topup operation. - Page 5 3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s When the equipment contains a degassing element, the following pressures must also be taken into account. When the equipment contains a degassing element, the following pressures must also be taken into account.
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Page 6: About This Manual
i nsta l l a t i on & 3760 ProVDG Combined Pressurisation o p er a t in g in str ucti o n s and Degassing Equipment About this Manual About this Manual This Operation and Maintenance Manual contains all the necessary information to install, commission, operate and This Operation and Maintenance Manual contains all the necessary information to install, commission, operate maintain the ProVDG Prestige equipment. -
Page 7: Pro Pdg Equipment Overview
3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s Pro PDG Equipment Overview Pro PDG Equipment Overview The function of this pressurisation unit is to provide a means of automated water top-up to sealed heating and The function of this pressurisation unit is to provide a means of automated water top-up to sealed heating and cooling systems. - Page 8 i nstall at ion & 3760 ProVDG Combined Pressurisation o perat ing in str uct ion s and Degassing Equipment The pressure reducing valve (17) is used to limit the water held within the vacuum cylinder to approximately 1.2 bar. This is seen as the first pressure step.
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Page 9: Installation
Installation risk of flooding, the unit must be installed on a raised plinth. This equipment is not designed to be installed in an outdoor environment. The unit must be Installation The unit is equipped with a Category 5 Weir overflow arrangement and must not be installed / installed in a frost-free environment, away from precipitation and water sprays/jets. -
Page 10: Typical Installation Diagram
i nstall at ion & 3760 ProVDG Combined Pressurisation o perat ing in str uct ion s and Degassing Equipment Typical Installation Diagram Typical Installation Diagram Top fill vessels REMEMBER TO FIT AN INLINE STRAINER VALVE BEFORE THE UNIT TO ELIMINATE ANY DEBRIS GOING INTO THE PRO PDG UNIT. - Page 11 3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s Bottom fill vessels Automatic Air Vent (AAV) Mains Water Feed = Filling Loop (Optional) Isolation Expansion Vessel...
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Page 12: Provdg Clearance And Connection Requirements
insta ll at ion & 3760 ProVDG Combined Pressurisation o pera t in g in str ucti on s and Degassing Equipment Pro PDG Clearance and Connection Requirements ProVDG Clearance and Connection Requirements Connection Size Notes An isolation valve must be installed on the mains water feed for Mains Water Feed ½”... -
Page 13: Electrical Power Supply
3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s Electrical Power Supply Electrical Power Supply Electrical Power Supply This equipment must be electrically isolated before removing the covers. -
Page 14: Micro Controller
insta ll at ion & 3760 ProVDG Combined Pressurisation o pera t in g in str ucti on s and Degassing Equipment Micro Controller Micro Controller Micro Controller Fault contacts Fault contacts Fault contacts There are 6 volt free fault contacts which can be used for connection to a BMS system, located on terminals 1-12 on There are 6 volt free fault contacts which can be used for connection to a BMS system, located on terminals 1- the digital controller. -
Page 15: Commissioning
Commissioning Any damage or loss incurred through incorrect commissioning by an unapproved engineer will not It is highly recommended to have this equipment commissioned by an Armstrong approved engineer. Any Pre-Commissioning Checklist It is highly recommended to have this equipment commissioned by a Flamco approved engineer. -
Page 16: Controller Overview
All necessary pipe/electrical connections have been made to a satisfactory standard i nstall at ion & 3760 ProVDG Combined Pressurisation The temperature and pressure at the point of connection are within the operating limits of the o perat ing in str uct ion s and Degassing Equipment pressurisation unit. - Page 17 3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s Controller Programming Controller Programming Controller Programming Do not alter any settings without first understanding the implications of doing so. Incorrect settings Do not alter any settings without first understanding the implications of doing so.
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Page 18: Program Parameter List
i nstall at ion & 3760 ProVDG Combined Pressurisation o perat ing in str uct ion s and Degassing Equipment Program Parameter List Program Parameter List The table below gives details of all menu items, in the order that they will appear: The table below gives details of all menu items, in the order that they will appear: PR No Customer Code - 2601... - Page 19 3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s This menu is for setup combine unit in order the menu will appear: This menu is for setup combine unit in order the menu will appear: PR No Notes...
- Page 20 insta ll at ion & 3760 ProVDG Combined Pressurisation o pera t in g in str ucti on s and Degassing Equipment PR No Notes Default Unit Pressure Alarm Auto Toggles High/Low Alarm from being Reset automatic reset to manual reset/critical stop Toggles all VFC alarms to be energised, All VFC Fail Safe normally closed.
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Page 21: Pr No (36) Purge Seconds Reference Times Options
3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s PR No Notes Default Unit Wait time in between degassing Normal Minutes Minutes PR No... -
Page 22: Hydraulic Commissioning
insta ll at ion & 3760 ProVDG Combined Pressurisation o pera t in g in str ucti on s and Degassing Equipment Hydraulic Commissioning Hydraulic Commissioning Hydraulic Commissioning Hydraulic Commissioning Hydraulic Commissioning 1. Float valve setting 1. Float valve setting 1. - Page 23 3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s Attach a length of hose to the drain and open the valve to the system. Remember to close valve once this is completed Locate the bleed screw on the pump.
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Page 24: Forcing Pumps To Run
insta ll at ion & 3760 ProVDG Combined Pressurisation o pera t in g in str ucti on s and Degassing Equipment If the pump has a plastic bleed screw like the one shown below, do not use excessive force or If the pump has a plastic bleed screw like the one shown below, do not use excessive force or If the pump has a plastic bleed screw like the one shown below, do not use excessive force or attempt attempt to use any tools to turn it as this may irreparably damage the pump casing. -
Page 25: Venting The Vacuum Cylinder
3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s 4. Venting the vacuum cylinder 4. Venting the vacuum cylinder 4. -
Page 26: Testing
insta ll at ion & 3760 ProVDG Combined Pressurisation o pera t in g in str ucti on s and Degassing Equipment 5. Testing 5. Testing To test the operation of the pressurisation unit while connected to the system, the system pressure must be lowered slowly to simulate a minor leak. -
Page 27: Operation
3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s Operation Operation Operation Once commissioned, the pressurisation unit should operate without any user intervention. Once commissioned, the pressurisation unit should operate without any user intervention. -
Page 28: Shutdown Procedure
insta ll at ion & 3760 ProVDG Combined Pressurisation o pera t in g in str ucti on s and Degassing Equipment Description Auto/Manual Reset Fault code Description Auto/Manual Reset Fault code Auto Reset Low Additive Additive tank is low Description Auto/Manual Reset Fault code... -
Page 29: Start-Up Procedure
3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s Start-up Procedure Start-up Procedure Attention – This procedure is for restarting the unit after being shutdown (as described above). Attention –... -
Page 30: Maintenance 3
i nstall at ion & 3760 ProVDG Combined Pressurisation o perat ing in str uct ion s and Degassing Equipment Maintenance Maintenance Due to variations in operating conditions, and the varying loads placed on pressurisation units, it is not feasible Due to variations in operating conditions, and the varying loads placed on pressurisation units, it is not feasible to to provide accurate predictions of component lifespan. -
Page 31: Check Float Valve Operation
3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s Check Float Valve Operation To test the operation of the break tank float valve, first ensure that the break tank overflow has a suitable path to drain. Check Float Valve Operation Gently push down on the arm of the float valve until it starts to discharge water, then release the float valve arm. -
Page 32: Check Expansion Vessel Pre-Charge
i nstall at ion & 3760 ProVDG Combined Pressurisation o perat ing in str uct ion s and Degassing Equipment Check Expansion Vessel Pre-Charge Many of the problems experienced with pressurisation equipment can be traced back to the expansion vessel. Check Expansion Vessel Pre-Charge Many of the problems experienced with pressurisation equipment can be traced back to the expansion vessel. -
Page 33: Wiring
3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s Wiring Wiring © 2018 Flamco group. All rights reserved. We reserve the right to change designs and technical specifications of our products. -
Page 34: Troubleshooting
The relevant pump is air-locked and not Bleed the pump FLOOD LIMIT is displayed pumping water The FLOOD LIMIT time is too short. Consult Armstrong The unit is undersized for the system Review unit selection The FLOOD LIMIT time is too short. Consult Armstrong ©... - Page 35 3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s Symptom Problem Solution The PUMP TYPE option is set Review PUMP TYPE setting incorrectly.
- Page 36 i nstall at ion & 3760 ProVDG Combined Pressurisation o perat ing in str uct ion s and Degassing Equipment Symptom Problem Solution The wrong/no flow restrictor is installed Check float valve flow restrictor in the float valve (mini and midi units selection (mini and midi units only) only)
- Page 37 3760 ProVDG Combined Pressurisation i nsta l l a t i o n & and Degassing Equipment o p er at i n g i n str u cti o n s Symptom Problem Solution The safety solenoid valve will automatically The internal pressure within the close and the system will attempt to self- vacuum cylinder has reached the...
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Page 38: Warranty Details 3
Warranty Details Warranty - What Is Covered? The Armstrong warranty on equipment supplied to distribution and OEM covers manufacturing defects, under our standard terms and conditions of sale. If the unit is identified with a manufacturing defect then no charge is made for correcting the defect. -
Page 39: Statement Of Compliance
& and Degassing Equipment o p er at i n g i n str u cti o n s Statement of compliance Supplier: Armstrong Fluid Technology 1 Wolverton Street Manchester M11 2ET United Kingdom... - Page 40 t o r o n t o 23 bertrand avenue, toronto, ontario, canada, m1l 2p3 For further information on the 3760 Pressurisation unit range +1 416 755 2291 or to download individual product data sheets please visit: b u f fa lo www.armstrongfluidtechnology.com/en-gb/ 93 east avenue, north products-and-services/heating-and-cooling/...
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