1. Manuals
  2. Brands
  3. Armstrong Manuals
  4. Heating System
  5. 3760 ProDose Series
  6. Installation and operating instructions manual

Armstrong 3760 ProDose Series Installation And Operating Instructions Manual

Combined pressurisation and dosing equipment
Hide thumbs Also See for 3760 ProDose Series:
Table of Contents

Advertisement

Quick Links

Download this manual
Installation and
operating
instructions
3760 ProDose Range
Pressurisation Equipment
Combined Pressurisation and
Dosing Equipment
File No: 37.202
Date: july 10, 2023
Supersedes: new
Date: new

Advertisement

Table of Contents
loading

Related Manuals for Armstrong 3760 ProDose Series

Summary of Contents for Armstrong 3760 ProDose Series

  • Page 1 Installation and operating instructions 3760 ProDose Range Pressurisation Equipment Combined Pressurisation and Dosing Equipment File No: 37.202 Date: july 10, 2023 Supersedes: new Date: new...

  • Page 3: Table Of Contents

    contents Pressures in a sealed system Operation About this Manual Fault Codes Conventions used in this Manual Shutdown procedure Typography Start-up Procedure Equipment Overview Maintenance Principal of Operation Visual Inspection Installation Interrogate Controller Pipe Connections Test Unit Operation Typical Installation Diagram Check Float Valve Operation ProDose Clearance and Connection Check Float Switch Operation...

  • Page 4: Pressures In A Sealed System

    i nstall at ion & 3760 ProDose Range o perat ing in str uct ion s Pressurisation Equipment Pressures in a sealed system Below is an overview of how the settings on a pressurisation unit must be considered for normal operation. Close, conflicting or overlapping settings will cause system instability and nuisance alarm conditions.

  • Page 5: About This Manual

    3760 ProDose Range i nsta l l a t i o n & Pressurisation Equipment o p er at i n g i n str u cti o n s 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 Flexfiller pressurisation equipment.

  • Page 6: Equipment Overview

    insta ll at ion & 3760 ProDose Range o pera t in g in str ucti on s Pressurisation Equipment unction of this pressurisation unit is to provide a means of automated water top-up to sealed heating and ng systems. The equipment is designed to provide periodic water top-up to compensate for minor losses in Equipment Overview Equipment Overview em pressure (e.g.

  • Page 7: Installation

    Installation installed in a frost-free environment, away from precipitation and water sprays/jets. If there is a 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 This equipment is not designed to be installed in an outdoor environment.

  • Page 8: Typical Installation Diagram

    i nstall at ion & 3760 ProDose Range o perat ing in str uct ion s Pressurisation Equipment Typical Installation Diagram Top fill vessels...
  • Page 9 3760 ProDose Range i nsta l l a t i o n & Pressurisation 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) Expansion Vessel Isolation Valve...

  • Page 10: Prodose Clearance And Connection Requirements - Floor Standing

    i nstall at ion & 3760 ProDose Range o perat ing in str uct ion s Pressurisation Equipment – ProDose Clearance and Connection Requirements – Floor standing Connection Size Notes Mains Water Feed ½” BSP M An isolation valve must be installed on the mains water feed for servicing. Guidance on drainage requirements should be obtained from the local Break Tank Overflow 22 mm...

  • Page 11: Electrical Power Supply

    3760 ProDose Range i nsta l l a t i o n & Pressurisation Equipment o p er at i n g i n str u cti o n s Electrical Power Supply This equipment must be electrically isolated before removing the covers. Cables connected to the This equipment must be electrically isolated before removing the covers.

  • Page 12: Micro Controller

    insta ll at ion & 3760 ProDose Range o pera t in g in str ucti on s Pressurisation Equipment Micro Controller Micro Controller 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- There are 6 volt free fault contacts which can be used for connection to a BMS system, located on terminals 1- 12 on the digital controller.

  • Page 13: 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 It is highly recommended to have this equipment commissioned by a Flamco approved engineer.

  • Page 14: Controller Overview

    All necessary pipe/electrical connections have been made to a satisfactory standard i nstall at ion & 3760 ProDose Range The temperature and pressure at the point of connection are within the operating limits of the o perat ing in str uct ion s Pressurisation Equipment pressurisation unit.

  • Page 15: Controller Programming

    3760 ProDose Range i nsta l l a t i o n & Pressurisation 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.

  • Page 16: Program Parameter List

    i nstall at ion & 3760 ProDose Range o perat ing in str uct ion s Pressurisation Equipment 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 Notes...
  • Page 17 3760 ProDose Range i nsta l l a t i o n & Pressurisation 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 Engineers Code - 4706...
  • Page 18 i nstall at ion & 3760 ProDose Range o perat ing in str uct ion s Pressurisation Equipment PR No Engineers Code - 4706 Notes Default Unit Toggles High/Low Alarm from being Pressure Alarm Auto automatic reset to manual reset/critical Reset stop Toggles all VFC alarms to be energised,...

  • Page 19: Hydraulic Commissioning

    3760 ProDose Range i nsta l l a t i o n & Pressurisation Equipment o p er at i n g i n str u cti o n s Hydraulic Commissioning Hydraulic Commissioning 1. Float valve setting Hydraulic Commissioning 1.
  • Page 20 insta ll at ion & 3760 ProDose Range o pera t in g in str ucti on s Pressurisation Equipment 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.

  • Page 21: Forcing Pumps To Run

    3760 ProDose Range i nsta l l a t i o n & Pressurisation Equipment o p er at i n g i n str u cti o n s If the pump has a plastic bleed screw like the one shown below, do not use excessive force or attempt 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 to use any tools to turn it as this may damage the pump casing.

  • Page 22: Testing

    insta ll at ion & 3760 ProDose Range o pera t in g in str ucti on s Pressurisation Equipment 5. Testing 4. 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 23: Balancing Valve Setting

    3760 ProDose Range i nsta l l a t i o n & Pressurisation Equipment o p er at i n g i n str u cti o n s Balancing Valve Setting The following table shows the valve settings required to achieve a given Additive concentration The following table shows the valve settings required to achieve a given Additive concentration.

  • Page 24: Operation

    insta ll at ion & 3760 ProDose Range o pera t in g in str ucti on s Pressurisation Equipment Operation Operation Once commissioned, the pressurisation unit should operate without any user intervention. Once commissioned, the pressurisation unit should operate without any user intervention. Once commissioned, the pressurisation unit should operate without any user intervention.

  • Page 25: Shutdown Procedure

    Unit need to be restarted Manual Reset Reset Required For practical guidance on diagnosing and rectifying faults, please refer to the Troubleshooting 3760 ProDose Range i nsta l l a t i o n & Pressurisation Equipment o p er at i n g i n str u cti o n s section of this manual.

  • Page 26: Maintenance

    i nstall at ion & 3760 ProDose Range o perat ing in str uct ion s Pressurisation 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 27: Check Float Valve Operation

    3760 ProDose Range i nsta l l a t i o n & Pressurisation 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.

  • Page 28: Wiring Diagram

    insta ll at ion & 3760 ProDose Range o pera t in g in str ucti on s Pressurisation Equipment Wiring diagram © 2018 Flamco group. All rights reserved. We reserve the right to change designs and technical specifications of our products. Rev 2.0 Aug-18 Page 28 / 40 Errors and omissions excepted.

  • Page 29: Troubleshooting

    Review unit selection The unit is undersized for the system Review unit selection The FLOOD LIMIT time is too short. Consult Armstrong The FLOOD LIMIT time is too short. Consult Armstrong © 2018 Flamco group. All rights reserved. © 2018 Flamco group. All rights reserved.
  • Page 30 i nstall at ion & 3760 ProDose Range o perat ing in str uct ion s Pressurisation Equipment Symptom Problem Solution The PUMP TYPE option is set Review PUMP TYPE setting incorrectly. P1 and/or P2 FAIL is displayed The relevant pump has failed Replace pump P2 FAIL is displayed but the unit The PUMPS NUMBER option is...
  • Page 31 3760 ProDose Range i nsta l l a t i o n & Pressurisation Equipment o p er at i n g i n str u cti o n s Symptom Problem Solution The wrong/no flow restrictor is Check float valve flow restrictor installed in the float valve (mini and selection (mini and midi units only) midi units only)

  • Page 32: Maintenance Schedule

    insta ll at ion & 3760 ProDose Range o pera t in g in str ucti on s Pressurisation Equipment Maintenance Schedule Maintenance schedule is based on the operation of the equipment and these the recommended to be taken place Maintenance schedule is based on the operation of the equipment and these the recommended to be during the period of operation to maintain a healthy equipment.

  • Page 33: Warranty Details

    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 34: Statement Of Compliance

    & 3760 ProDose Range o perat ing in str uct ion s Pressurisation Equipment Statement of compliance Supplier: Armstrong Fluid Technology 1 Wolverton Street Manchester M11 2ET United Kingdom Product: 3760 Pressurisation Equipment Description: Sealed system pressurisation equipment, dosing equipment and combinations thereof.

  • Page 35: Notes 3

    3760 ProDose Range i nsta l l a t i o n & Pressurisation Equipment o p er at i n g i n str u cti o n s Notes...
  • Page 36 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/...

Table of Contents