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Grundfos PHT A Series Installation And Operating Instructions Manual
Grundfos PHT A Series Installation And Operating Instructions Manual

Grundfos PHT A Series Installation And Operating Instructions Manual

Pressurisation unit

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PHT A
Pressurisation unit
Installation and operating instructions
PHT A
Installation and operating instructions
(all available languages)
http://net.grundfos.com/qr/i/99354499
GRUNDFOS INSTRUCTIONS

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Summary of Contents for Grundfos PHT A Series

  • Page 1 GRUNDFOS INSTRUCTIONS PHT A Pressurisation unit Installation and operating instructions PHT A Installation and operating instructions (all available languages) http://net.grundfos.com/qr/i/99354499...
  • Page 3 PHT A English (GB) Installation and operating instructions ............4...
  • Page 4: Table Of Contents

    Product introduction......5 The symbols and hazard statements below may appear in Grundfos Product description ......5 installation and operating instructions, safety instructions and Identification.
  • Page 5: General Safety Warnings

    1.4 General safety warnings 2.1.1 Standard pressurisation unit (PHT A-N/D/F models) The following schematic shows the arrangement of the PHT A- Keep these installation and operation instructions at the N/D/F models: installation site for future reference. Read this document before you install, commission and verify the product. Children and persons with reduced physical, sensory, or mental capabilities or those lacking of experience and knowledge must not use the product, unless they are...
  • Page 6 A system 1 interlock output (DO1) (not shown on the schematic) In addition to the features of a standard product, the twin system interlocks the boiler or chiller in the system 1 to disable it if the pressurisation unit also has the following features: system pressure falls outside of safe operating limits.
  • Page 7: Identification

    2.2.2 Type key Pos. Description Example: PHT A F125 System 1 isolation valve System 1 connection Code Explanation Designation System 1 drain valve Pressure Holding Top-up Range name [ ]: first generation In addition to the features of a standard product, the glycol Model generation pressurisation unit also has the following features: A: second generation...
  • Page 8: Receiving The Product

    Grundfos disclaim any responsibility for using the product to pump liquids that poses health hazards through touch, ingestion or inhalation of fumes or gases emitted by the liquid.
  • Page 9: Installation Dimensions

    Always use the recommended fuse size. Wall mounting dimensions for PHT A-D models single pump Make sure that the supply voltage and frequency correspond to the values stated on the nameplate. If repair is required, contact Grundfos. ⌀ ​ 5 ⌀...
  • Page 10 5.2.1 Connection drawing WARNING Electric shock DANGER Death or serious personal injury Electric shock ‐ This product must be earthed. Death or serious personal injury ‐ Pay attention that 230 V voltage is present. Connections drawing for all PHT A models Pos.
  • Page 11 5.2.2 Wiring diagram The wiring diagram includes all options, but not all options are used. Only refer to the options of your product. 0.75 mm² 0.75 mm² Valve 2 0.75 mm² GN/YE 0.75 mm² 0.75 mm² Valve 1 0.75 mm² GN/YE 0.75 mm²...
  • Page 12: Installation Checklist

    5.3 Installation checklist During the installation phase, do not apply mains power or water to the product. Step Done Activity Action/check/notes Fully read and study this manual. Unpack, inspect for completeness and any damage. Report to the supplier or customer. Check that the installation location meets all the requirements in this manual.
  • Page 13: Commissioning Checklist

    6.1 Commissioning checklist Before the commissioning phase starts, make sure that the installation checklist is completed. Step Done Activity Action/check/notes Fully read and study this manual. Make sure that both are OFF and cannot be Check that the mains power and water to the product are both OFF. accidentally turned ON.
  • Page 14: Setting The Product

    7. Setting the product 7.1 Float valve adjustment PHT A-N/D/V models For PHT A-N/D/V models, a filter and a flow restrictor must be fitted, depending on the site mains water pressure. This filter and flow restrictor are inserted into the mains water fill valve, with filter section first, as shown below.
  • Page 15: Priming The Pumps

    7.2 Priming the pumps All pumps in PHT A-D/F/T/V models must be primed before the product is switched ON. Dry running the pumps can cause permanent damage. To prime: 1. Loosen the priming screw located on the pump housing until water flows through the priming screw.
  • Page 16: Cim (Communication Protocols)

    7.4 CIM (communication protocols) The following “Read only” outputs are available. With an additional accessory card, the product communication functionality can include BACnet or Modbus communications. BACnet and Modbus mapping for all systems BACnet Modbus Item Comments Units Object name Register Object name Register...
  • Page 17 Application alarm 00206 Warning code 200 7.4.1 Fitting procedure The Grundfos CIM card is static sensitive and must be handled with care and due consideration for static DANGER sensitive devices. Any static damage to the CIM card is Electric shock not covered under warranty.
  • Page 18: Operation

    14. Switch the product ON. The product detects the CIM card 8.1.2 Startup sequence automatically. When the product is turned on, the controller displays the PHT * and Grundfos for 3 seconds followed by the software version for a further 3 seconds. PHT * Grundfos Software Version V*.*...
  • Page 19 8.1.3 Main operating screen If a fault is detected and a service is required, the status field shows FAULT - SERVICE. When the product is operating normally, and the status is healthy, the display shows: Status: FAULT - SERVICE • Status: OK Sensor •...
  • Page 20 If the page has an arrow at the top, this indicates that there are User Engineer Page Parameter preceding pages. Once the value of the last field is confirmed, access access the menu system returns to the navigation mode. Repeat these Pump 1 last run date operations for changing all parameters as required.
  • Page 21 8.1.8 Fault log 8.1.12 General fault output The fault log stores a minimum of 30 historic fault conditions in General fault output (DO2) is activated by any of the following non-volatile memory. This includes faults that are acknowledged via alarms: the display panel.
  • Page 22: Quick Guides

    These are the conditions under which the boiler or chiller on 8.2 Quick guides system 2 must be disabled. The fault buzzer alternates between How to clear excess consumption warning ON for 5 seconds and OFF for 10 seconds continuously until muted by pressing and holding the OK key for 2 seconds.
  • Page 23: Servicing The Product

    9.3 Annual service Along with the preventative maintenance regime, Grundfos recommends that you service, inspect and test the product every 12 months. For a copy of the annual service regime and to discuss a Grundfos service contract, contact: • Grundfos Pumps Ltd.
  • Page 24: Spare Parts

    9.4 Spare parts 10. Storage When the product is delivered to site, place the product into a Part dust-, moisture- and frost-free area which is secured to prevent Description Parts included number unauthorised interference. Spare, PHT A-N*30 PHT A-N*30 pump, I&O 10.1 Frost protection 99366896 pump...
  • Page 25: High Water

    11.3 High water 11.7 Pump over current Cause Remedy Cause Remedy The water in the break tank • Check the water level in the The pump current rises above • Test the operation of the rises above the high water float tank and make sure that the the pump full load current by pump by manually operating...
  • Page 26: Sensor Fault

    CM, CME Data booklet 96903467 Full-load current Model Power [W] All the above documents can also be found on the Grundfos Product Centre website at: www.grundfos.com/uk. PHT A-N130/PHT A-N230 PHT A-D125/PHT A-D225 PHT A-D150/PHT A-D250 PHT A-F125/PHT A-F225 PHT A-F150/PHT A-F250...
  • Page 27: Decommissioning, Dismantling And Disposal

    1. Use the public or private waste collection service. inform them of the decommissioning and dismantling of the product. 2. If this is not possible, contact the nearest Grundfos company or service workshop. Always make sure that adequate provision is made to...
  • Page 28 Unit 1, Ground floor, Siu Wai industrial Turkey www.ba.grundfos.com Centre GRUNDFOS Pumps NZ Ltd. GRUNDFOS POMPA San. ve Tic. Ltd. Sti. E-mail: grundfos@bih.net.ba 29-33 Wing Hong Street & 68 King Lam 17 Beatrice Tinsley Crescent Gebze Organize Sanayi Bölgesi Street, Cheung Sha Wan...
  • Page 29 99354499 03.2025 ECM: 1393911 www.grundfos.com...