Table of Contents
Advertisement
Quick Links
Installation and
operating
instructions
3760 Midi/Pro/DualSys
Digital Pressurisation
Equipment
3760 Midi 1LP/2MP/2LP/2MP
models
Flexfiller Digital Pressurisation Equipment
3760 Pro 1LP/1MP/1HP/2LP/
MP/HP/2UHP models
Flexfiller Models (125D, 225D, 150D, 250D, 280D, 2160D)
3760 DualSys
Twinsys Models (2x125D, 2x225D, 2x150D, 2x250D,)
1LP/1MP/2LP/2MP models
Midi Models (125D, 225D, 150D, 250D)
Digifiller Models
Mini Models (130D, 230D)
File No: 37.207
Date: july 10, 2023
Supersedes: new
Date: new
Operation & Maintenance Manual
Advertisement
Table of Contents
Related Manuals for Armstrong 3760 Midi
Summary of Contents for Armstrong 3760 Midi
- Page 1 Installation and operating instructions 3760 Midi/Pro/DualSys Digital Pressurisation Equipment 3760 Midi 1LP/2MP/2LP/2MP models Flexfiller Digital Pressurisation Equipment 3760 Pro 1LP/1MP/1HP/2LP/ MP/HP/2UHP models Flexfiller Models (125D, 225D, 150D, 250D, 280D, 2160D) 3760 DualSys Twinsys Models (2x125D, 2x225D, 2x150D, 2x250D,) 1LP/1MP/2LP/2MP models...
-
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 Flow Restrictors Check Float Switch Operation... -
Page 4: Pressures In A Sealed System
& 3760 Midi/Pro/DualSys Digital 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. -
Page 5: 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 3760 Midi/Pro/Dualsys pressurisation equipment. and maintain the Flamco Prestige equipment. -
Page 6: Equipment Overview
& 3760 Midi/Pro/DualSys Digital o pera t in g in str ucti on s Pressurisation Equipment Equipment Overview Equipment Overview Equipment Overview The function of this pressurisation unit is to provide a means of automated water top-up to sealed heating and... -
Page 7: Installation
This equipment is not designed to be installed in an outdoor environment. The unit must be 3760 Midi/Pro/DualSys Digital i nsta l l a t i o n &... -
Page 8: Typical Installation Diagram
& 3760 Midi/Pro/DualSys Digital o perat ing in str uct ion s Pressurisation Equipment Typical Installation Diagram Typical Installation Diagram Standard equipment arrangement (example of Floor standing unit) follow same principle for wall mounted unit Standard equipment arrangement (example of Floor standing unit) follow same principle for wall mounted unit Top fill vessels Twin system pressurisation arrangement –... - Page 9 3760 Midi/Pro/DualSys Digital i nsta l l a ti o n & Pressurisation Equipment o p era t i n g i nstru cti o ns Twin system pressurisation arrangement – each system needs to commission per system requirements Twin system pressurisation arrangement – each system needs to commission per system requirements...
-
Page 10: Flow Restrictors (Midi & Pro Models Only)
& 3760 Midi/Pro/DualSys Digital Flow Restrictors (Mini & Midi Models Only) o perat ing in str uct ion s Pressurisation Equipment Flow Restrictors (Mini & Midi Models Only) Flow Restrictors (Mini & Midi Models Only) Flow Restrictors (Midi & Pro Models Only) -
Page 11: Floor Standing Units - Clearance And Connection Requirements
3760 Midi/Pro/DualSys Digital 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 Floor standing units - Clearance and Connection Requirements Floor standing units - Clearance and Connection Requirements... - Page 12 & 3760 Midi/Pro/DualSys Digital o perat ing in str uct ion s Pressurisation Equipment Wall mounted unit - Clearance and Connection Requirements Wall mounted unit - Clearance and Connection Requirements Wall mounted unit - Clearance and Connection Requirements...
-
Page 13: Electrical Power Supply
3760 Midi/Pro/DualSys Digital 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 Electrical Power Supply 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 14: Micro Controller
& 3760 Midi/Pro/DualSys Digital o pera t in g in str ucti on s Pressurisation 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-... -
Page 15: Commissioning
Commissioning It is highly recommended to have this equipment commissioned by an Armstrong approved engineer. Any damage or loss incurred through incorrect commissioning by an unapproved engineer will not It is highly recommended to have this equipment commissioned by a Flamco approved engineer. -
Page 16: Controller Overview
Please follow the same procedure to set up the Twinsys the only difference is you have two controllers instead of one. System 2 Set-up unit Same as a standard pressurisation unit (3760 Midi/Pro) extra controller for second system. Each sytem require an expansion System 1 vessel ©... -
Page 17: Controller Programming
Pre-Commissioning Checklist 3760 Midi/Pro/DualSys Digital i nsta l l a t i o n & The following conditions must be met before starting the commissioning process. Failure to meet Pressurisation Equipment o p er at i n g i n str u cti o n s these conditions may result in injury or damage to the equipment, system and property. -
Page 18: Program Parameter List
& 3760 Midi/Pro/DualSys Digital o pera t in g in str ucti on s Pressurisation Equipment Program Parameter List Program Parameter List The table below gives details of all menu items, in the order that they will appear:... - Page 19 3760 Midi/Pro/DualSys Digital 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 Default Menu Item Function Value Default Menu Item Function The cumulative number of pump starts for pump 2.
- Page 20 & 3760 Midi/Pro/DualSys Digital o pera t in g in str ucti on s Pressurisation Equipment The following settings are for experienced engineers only. Incorrect configuration of these The following settings are for experienced engineers only. Incorrect configuration of these settings can The following settings are for experienced engineers only.
-
Page 21: Hydraulic Commissioning
3760 Midi/Pro/DualSys Digital 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 Hydraulic Commissioning Hydraulic Commissioning 1. Float Valve Setting 1. - Page 22 & 3760 Midi/Pro/DualSys Digital 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 23: Forcing Pumps To Run
3760 Midi/Pro/DualSys Digital 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... -
Page 24: Initial Start-Up
& 3760 Midi/Pro/DualSys Digital o pera t in g in str ucti on s Pressurisation Equipment 4. Initial Start-up 4. Initial Start-up Open the isolation valve. Open the isolation valve. 5. Testing External valve on Midi Units 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 25: Testing
3760 Midi/Pro/DualSys Digital 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 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 26: Operation
& 3760 Midi/Pro/DualSys Digital o perat ing in str uct ion s Pressurisation Equipment 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 27: Shutdown Procedure
Manual Reset Reset Required For practical guidance on diagnosing and rectifying faults, please refer to the Troubleshooting 3760 Midi/Pro/DualSys Digital 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 28: Maintenance
& 3760 Midi/Pro/DualSys Digital o pera t in g in str ucti on 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 29: Check Float Valve Operation
3760 Midi/Pro/DualSys Digital 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 30: Wiring Diagram - All Midi/Pro Models (Except Pro2Uhp) 3
& 3760 Midi/Pro/DualSys Digital o perat ing in str uct ion s Pressurisation Equipment Wiring diagram – 125D / 225D / 150D / 250D Wiring diagram – All Midi/Pro Models (except Pro2UHP) For Twin system pressurisation unit (Twinsys) – above wiring is duplicated. You will need to supply to each controlle ©... -
Page 31: Wiring Diagram - 3 Phase (Pro 2Uhp Model)
3760 Midi/Pro/DualSys Digital 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 Wiring diagram – 3 Phase (2160D) Wiring diagram – 3 Phase (Pro 2UHP Model) For Twin system pressurisation unit (DualSys) –... -
Page 32: Troubleshooting
& 3760 Midi/Pro/DualSys Digital o pera t in g in str ucti on s Pressurisation Equipment Troubleshooting Troubleshooting Troubleshooting If for any reason the pressurisation unit does not seem to be functioning correctly, please refer to the table... - Page 33 3760 Midi/Pro/DualSys Digital 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 PUMP TYPE option is set Review PUMP TYPE setting incorrectly.
- Page 34 & 3760 Midi/Pro/DualSys Digital o perat ing in str uct ion s Pressurisation Equipment 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)
-
Page 35: Maintenance Schedule 3
3760 Midi/Pro/DualSys Digital 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 Maintenance Schedule 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 36: Warranty Details 3
If the unit is identified with a manufacturing defect, then no charge is made for correcting the defect. The Armstrong equipment is manufactured to order and is clearly marked, where applicable, with a unique serial number, allowing traceability to both individual model configuration and the engineer or site responsible for the build and test. -
Page 37: Statement Of Compliance
3760 Midi/Pro/DualSys Digital 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 Statement of compliance Supplier: Armstrong Fluid Technology 1 Wolverton Street... -
Page 38: Notes 3
& 3760 Midi/Pro/DualSys Digital o perat ing in str uct ion s Pressurisation Equipment Notes... - Page 39 3760 Midi/Pro/DualSys Digital 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 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/...