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Product Training and Installation Instructions for Streamline® ACR Copper Press 
 

High-pressure conditions, such as those encountered in refrigeration and cooling systems, require special care in the installation and treatment of piping systems. At the same time, leakage of the refrigerant must be avoided for ecological and economic reasons. ACR Copper press fittings are manufactured to the highest quality standards and have numerous safety features that conventional products do not have. However, professional storage, transport and on-site installation are at least as important.

1. Application areas and basics

Streamline® ACR Copper press fittings are suitable for use in HVAC/HVACR and VRV/VRF applications, heat pumps and similar circuits. They are available in sizes from 1/4" to 1 3/8" outside diameter. The fittings are designed to join hard and semi-hard copper tubes from 1/4" to 1 3/8" and soft (annealed) copper tubes up to 7/8". ACR Copper press fittings consist of a copper mechanical press fitting (CU-DHP / CW0024A, minimum 99.9% pure copper for the body) and factory installed black HNBR sealing rings. The fittings are designed for a maximum operating pressure of 48 bar.

Please note that ACR Copper Press fittings must not be connected to fittings from other manufacturers.

Our detailed product brochure is also available for download. If you have any questions about the application, the product or tools, our technical support (webuk@sanha.com | 01628 819 245) will be happy to help.

Download now
 
 
 

2. Installation by trained professionals

ACR Copper press fittings must be installed by trained professionals who use and are familiar with only the manufacturer's approved tools, jaws and slings.

3. Installation 

Before you start making your connection, you will need the following accessories:

Streamline® ACR Copper Press Fitting or fittings, copper pipe, pipe cutter, deburrer, medium grit sandpaper, Streamline® ACR depth gauge or tape measure, matching press tool and ACR press jaw & loop, permanent marker. 

  • Cut the pipe squarely with a pipe cutter or fine-tooth saw.
  • Deburr the inside and outside diameter of the pipe with a deburring tool. Make sure that the pipe ends are free of burrs or sharp edges.
  • Clean and smooth the pipe surface with sandpaper and a cleaning fleece. The pipe surface must be free of depressions, scratches, deformations and dirt.
  • Mark the correct insertion depth of the fitting on the pipe with a Streamline® ACR insertion depth gauge. You can also use a tape measure and refer to the insertion depth chart on the back of the bag.
  • Remove the fitting from the sealed package and check that it is completely clean. Check both fittings to ensure that the sealing rings in each bead are present, clean and undamaged. Even small particles of dirt can jeopardise the tightness of the connection!
  • Turn the fitting slightly when pushing it onto the pipe. Push it on completely up to the marking or as far as it will go.
  • Insert a suitable pressing jaw (see below) into a compatible pressing machine and position the jaw at right angles to the pipe over both beads.
  • The pressing machine must have a minimum pressing force of 32 kilonewtons and a stroke of 40 mm. For 1 1/8" and larger sizes, use an appropriate ACR pressing sling, intermediate jaw and compatible professional pressing machine.
  • Place the pressing sling over both beads at right angles to the pipe. Start the pressing process on the machine.
  • Check the connection with the ACR gauge between the beads for tightness. Rotate the gauge to avoid interference from sparks.
ACR Copper Press Fittings werden vom Mitarbeiter verpresst

4. Further installation and safety instructions

  • If you see scratches or damage (of any kind) on the pipe, cut the pipe behind the damage and start the installation steps.
  • Store the fittings stes in sealed zip lock bags to protect them from contamination.
  • Keep a minimum distance between two pressed fittings.
    You will find an overview of suitable pipes in our brochure.
  • Do not force the pipe ends together before making the connection. Connections should only be made on an unloaded pipe.
  • Complete the entire pressing cycle of the tool.
  • Do not press any ACR Copper Press fitting more than once.
  • The pipe must be aligned before the fitting is pressed, not after.
  • Do not rotate the fittings after pressing.
  • Always wear eye and hand protection.

Pressing

The pressing is done with special pressing jaws or a sling (from 1 1/8"). The tools have a "double contour" with which the fitting and pipe are pressed securely at three points (Tri-LockTM).

The design creates a particularly round pressing pattern and thus a more uniform, secure pressing. In addition, ACR Copper press fittings are just as hard as solder fittings - not soft and not susceptible to damage from dropping or the like. Please note that according to the International Mechanical Code (IMC) and Uniform Mechanical Code (UMC), mechanical fittings may not be used on annealed copper tubing with an outside diameter greater than 7/8".


Tools, pressing jaws and slings 

In general, pressing machines with a pressing force of 32 kN and a stroke of 40 mm can be used. It is important to follow the manufacturer's guidelines for the best use and required and regular maintenance of both the tool and the jaws and slings used in copper piping systems. Failure to do so may void the tool and jaw manufacturer's warranty and result in improper pressing of fittings. 


Examples of pressing jaws from 1/4" - 1 3/8" 

Compatible with e.g: 

  • Milwaukee® M18™ FORCE LOGIC™ 29220
  • Milwaukee® M18™ Long Throw 2773-20L 
  • Ridgid® RP300 Serie 320-E, RP 330-B, RP 330-C oder RP 340, RP 350 
  • Dewalt® DCE200M2  
  • Hilti NPR 32-A 
  • REMS 579011, 579010, 571014, 576011, 576010, 577010, 57211
  • Klauke® UAP Series  
  • Rothenberger ROMAX® 4000, 3000, & AC ECO Series
  • Novopress ECO 203, ACO 203, EFP 203, ACO 203XL



For more information on manufacturers' tooling and/or jaw sets, please refer to the individual manufacturers' websites. Maintenance and calibration schedules recommended by individual tool and jaw manufacturers vary. Be sure to follow the instructions that apply to the brand of tool and jaw or sling set used.


Testing and Leak Detection

After installing Streamline® ACR Press Fittings, the system shall be tested for leaks. This can be done by pressurizing the system with dry nitrogen to a minimum of 50% of the system maximum operating pressure, up to 48 bar. If holding pressure for extended periods (up to 24 hours), then temperature impacts may need to be taken into account. System leaks can be detected by using a tracer gas and electronic leak detector. Any leaks that are identified will need to be cut out and replaced. When replacing a fitting, installers should carefully inspect the surface of that pipe before using another fitting to ensure a longitudinal scratch or other surface defect will not result in another leak. It is not allowable to braze the end of a leaking fitting. Always conduct a subsequent pressure test after any repairs are made. Federal, state, and local codes and regulations governing installation and testing must always be followed.


Unique advantages of ACR

Quick Facts

  • Broad offering of fitting types for today’s HVACR applications
  • Available in diameters ranging from 1/4″ to 1-3/8″ OD
  • Industry’s only press fitting with T.R.A.P. Technology, featuring DualSeal™ Ring Design
  • Packaged in clean, clear, resealable bags
  • Offered in convenient pack quantities
  • Similar patterns and lay lengths as traditional braze copper fittings
  • Compatible with R410A and other commonly used refrigerant gases and oils
  • Proprietary jaws readily available from NovoPress® Tool
  • Jaws compatible with leading full-size press tools on the market

Operating conditions

  • Operating pressure: 48 bar max
  • Operating temperature: -40 °C to 120 °C
  • Maximum thermal load sealing ring: -40 °C to 150 °C

Approvals & Certificates

  • UL 207
  • UL 1963
  • International Mech. Code (IMC)
  • International Res. Code (IRC)
  • Uniform Mech. Code (UMC)
  • ASHRAE 15
  • ASME B31.5
  • CSA C22.2

Approved refrigerants

R-125, R-134a, R-32, R-404A, R-407A, R-407C, R-407F, R-407H, R-410A, R-417A, R-421A, R-422B, R-422D, R-427A, R-438A, R-444A, R-447A, R-447B, R-448A, R-449A, R-450A, R-452A, R-452B, R-452C, R-454A, R-454B, R-454C, R-457A, R-459A, R-507A, R-513A, R-513B, R-718, R-32, R-1234ze, R-1234yf, R-290, R-600A

ACR Copper Press Bogen Bend Curva
Der ACR Copper Press Bogen mit 45° Winkel und zwei Muffen
ACR Copper Press Reduziermuffe – aus Kupfer gefertigt
ACR Copper Press – 90 degrees bend, with one press end
Der ACR Copper Press Adapter mit Bördel aus Kupfer
Die ACR Copper Press Schiebemuffe – aus Kupfer
Die ACR Copper Press Kappe – aus Kupfer
Das ACR Copper Press T-Stück mit drei Muffen – aus Kupfer
ACR Copper Press Schiebemuffe aus Kupfer
ACR Copper Press Bogen Bend Curva
Der ACR Copper Press Bogen mit 45° Winkel und zwei Muffen
ACR Copper Press Reduziermuffe – aus Kupfer gefertigt
ACR Copper Press – 90 degrees bend, with one press end
Der ACR Copper Press Adapter mit Bördel aus Kupfer
Die ACR Copper Press Schiebemuffe – aus Kupfer
Die ACR Copper Press Kappe – aus Kupfer
Das ACR Copper Press T-Stück mit drei Muffen – aus Kupfer
ACR Copper Press Schiebemuffe aus Kupfer
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