R89-1112 GIACOMINI | Alldatasheet

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Technical content

Giacomini S.p.A. Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia  consulenza.prodotti@giacomini.com  +39 0322 923372 - giacomini.com R89 Datasheet 1112EN  02/2025 High-performance automatic air vent with integrated filter and vertical vent  Versions and product codes PRODUCT CODE CONNECTIONS MAIN CHARACTERISTICS R89Y002 G 3/8”M • Shut-off valve

  • Integrated inspectionable filter
  • Adjustable vertical vent
  • Cap with hygroscopic gasketR89Y003 G 1/2”M With integrated shut-off valve PRODUCT CODE CONNECTIONS MAIN CHARACTERISTICS R89Y012 G 3/8”M
  • Integrated inspectionable filter
  • Adjustable vertical vent
  • Cap with hygroscopic gasket R89Y013 G 1/2”M R89Y014 G 3/4”M R89Y015 G 1”M Without integrated shut-off valve The R89 automatic air vent performs the function of venting air formed in the hydraulic circuits of HVAC systems. It prevents the phenomena that may affect the duration and efficiency of the thermal system. The air vent effectively vents the system on a periodical basis during normal operation. The R89 air vent consists of a fluid shut-off valve, an inspectionable filter, an adjustable vertical vent and a cap with hygroscopic gasket.  VIDEO Frame the QR code with your smartphone or tablet to view the video tutorial.

Giacomini S.p.A. Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia  consulenza.prodotti@giacomini.com  +39 0322 923372 - giacomini.com  Technical data Performance

  • Fluids of use: water with glycol for HVAC systems
  • Max. glycol percentage: 50 %
  • Temperature range: 5÷110 °C
  • Max working pressure: 16 bar
  • Air venting max working pressure: 5 bar
  • Integrated filter: filtering capacity 500 μm
  • Venting air flow rate: Materials
  • Body: UNI EN 12165 CW617N brass
  • Body cap, air vent cap and fork: glass-fiber reinforced PA66
  • O-Ring: EPDM
  • Springs and filter: stainless steel
  • Float: PP-H 10 2 3 4 5 6 1000 1500 2000 2500 3000 3500 500 Air flow rate [l/h] Pressure [bar] PRESSURE [bar] AIR FLOW RATE [l/h] 0,5 1900 1 2300 2 2700 3 2900 4 3100 5 3300  NOTE. The diagram includes the maximum venting air flow rate as the relative pressure of the system changes.  Components

1 Air vent body

2 Locking fork

3 Body cap

4 Air vent cap

5 Paddle with shut-off valve *

6 O-Ring *

7 Spring *

8 Inspectionable filter

9 O-Ring

10 Float

11 Stem

12 O-Ring

13 Spring

14 Spring holder

15 Hygroscopic gasket

  • Only for codes with integrated shut-off valve.

Giacomini S.p.A. Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia  consulenza.prodotti@giacomini.com  +39 0322 923372 - giacomini.com  Installation  WARNING. To prevent impurities from entering and damaging the mechanism, close the air vent cap (Components - Ref. 4) when flushing and loading the system.  NOTE. Product codes with integrated shut-off valve includes a paddle that extends 26 mm from the body valve. If needed, cut the exceeding part with a shear. R89 automatic air vent can be installed in the highest point on any distribution manifold, pipes where air pockets may form, on wall-mount or base-mount boilers, near fan coils or heat exchangers. The automatic air vents must be installed vertically with the body cap facing up and in points easy to access. Adjustable vertical vent 360° Manually turn the body cap (Components - Ref.3) to adjust the vertical vent according to installation needs.

Giacomini S.p.A. Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia  consulenza.prodotti@giacomini.com  +39 0322 923372 - giacomini.com  Operation Air vent cap with hygroscopic gasket (Components - Ref.4) The air vent cap contains hygroscopic gaskets (Components - Ref.14). In case of system malfunction resulting in a leak, the volume of the gaskets will increase when they touch the water, closing the vent and preventing water leaks. During normal operation, when there is no air in the body, the internal float is raised and a mechanical function keeps the vent stopper closed. When the float lowers for the air trapped inside the body, the stopper will open to vent it completely. Should there be a large quantity of air in the system, the float will lower completely to vent the air more rapidly. The air vent can be blocked manually by tightening the air vent cap all the way through (Components - Ref.4). Under normal working conditions, the air vent cap should be left open. WATER WATER AIR STOPPER CLOSED WATER WATER AIR STOPPER OPEN AIR Shut-off valve (Components - Ref.5) The threaded fitting contains a stopper with spring (Components - Ref.7) which is pushed down by the body cap (Components - Ref.3): in this situation the valve inlet is open. The body cap (Components - Ref.3) can be removed during maintenance: the spring will close the valve inlet, hence shutting off the fluid.  NOTE. For maintenance operations, refer to “Cleaning and maintenance” paragraph.

Giacomini S.p.A. Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia  consulenza.prodotti@giacomini.com  +39 0322 923372 - giacomini.com  Cleaning and maintenance Cleaning the filter Impurities may collect on the filter inside the air vent body during normal operation. There is no need to drain the system, but the device must be empty to clean the filter (system off) . Follow the steps below to clean the filter and remove the debris: 1) switch the system off; 2) remove the locking fork by pushing the cap gently down; 3) remove the body cap from the air vent body; 4) remove the filter from its seat using a small screwdriver; 5) rinse the filter with running water; 6) replace the clean filter in its seat; 7) replace the body cap and, if necessary, lubricate the EPDM O-Ring (Components - Ref.9) with an adequate lubricant; 8) fit the fork in the proper seat to lock the cap. Once locked, the shut-off valve will reopen to let the water flow in. Normal operation of the system can now resume.  NOTE. The strength to be applied when removing the body cap is directly proportional to the system pressure. To facilitate maintenance it’s recommended to reduce the system pressure as much as possible.  WARNING FOR CODES WITHOUT INTEGRATED SHUT-OFF VALVE. Before servicing codes without the integrated shut-off valve, the air vent must be intercepted and removed from the point in the system where it is installed. OFF LUBRICANT CLICK OFF LUBRICANT CLICK 5 6 7 8 1 2 3 4

Giacomini S.p.A. Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia  consulenza.prodotti@giacomini.com  +39 0322 923372 - giacomini.com  Product specifications R89 High-performance automatic air vent with adjustable vertical vent and hygroscopic gaskets, for HVAC systems. Available in size from G 3/8”M to G 1”M connections. Inspectionable filter with 500 μm filtering capacity included. Available in versions with or without integrated shut-off valve. Body: UNI EN 12165 CW617N brass. Body cap, air vent cap and fork: glass-fiber Temperature range: 5÷110 °C. Max working pressure: 16 bar. Air venting max working pressure 5 bar.  Dimensions PRODUCT CODE A B [mm] C [mm] D [mm] R89Y002 G 3/8”M 57 91 26 R89Y003 G 1/2”M 57 91 26 R89 - With integrated shut-off valve A B CD PRODUCT CODE A B [mm] C [mm] R89Y012 G 3/8”M 57 91 R89Y013 G 1/2”M 57 91 R89Y014 G 3/4”M 57 93 R89Y015 G 1”M 57 93 R89 - Without integrated shut-off valve A B C  Package Disposal. Carton boxes: paper recycling. Plastic bags and bubble wrap: plastic recycling.  Product Disposal. Do not dispose of product as municipal waste at the end of its life cycle. Dispose of product at a special recycling platform managed by local authorities or at retailers providing this type of service.  Safety Warning. Installation, commissioning and periodical maintenance of the product must be carried out by qualified operators in compliance with national regulations and/or local standards. A qualified installer must take all required measures, including use of Individual Protection Devices, for his and others’ safety. An improper installation may damage people, animals or objects towards which Giacomini S.p.A. may not be held liable.  Additional information. For more information, go to giacomini.com or contact our technical at any time, without notice and for technical or commercial reasons, the items included herewith. The information included in this technical sheet do not exempt the user from strictly complying with the rules and good practice standards in force.  NOTE. EUROPEAN DIRECTIVE 2014/68/UE. The product illustrated in this technical specification satisfies the requirements of Directive 2014/68/UE and is exempt from CE marking, according to Article 4.3.