Giacomini KHRD-H Installation, Use And Maintenance Manual

Giacomini KHRD-H Installation, Use And Maintenance Manual

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INSTALLATION USE AND MAINTENANCE MANUAL
KHRD-H with inverter
KHRD-H with inverter and integrated damper
HIGH EFFICIENCY HEAT RECOVERY UNIT WITH INTEGRATED
AIR TREATMENT WITH INVERTER COMPRESSOR
Page 1 KHRD-H WITH INVERTER
INSTALLATION USE AND MAINTENANCE MANUAL

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Summary of Contents for Giacomini KHRD-H

  • Page 1 INSTALLATION USE AND MAINTENANCE MANUAL KHRD-H with inverter KHRD-H with inverter and integrated damper HIGH EFFICIENCY HEAT RECOVERY UNIT WITH INTEGRATED AIR TREATMENT WITH INVERTER COMPRESSOR Page 1 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 2: Table Of Contents

    OPERATION KHRCY502 CNU REMOTE PANEL ........................24 MAINTENANCE ....................................32 7.1.1 CLEANING OR REPLACING FILTERS ............................ 32 7.1.2 HEAT EXCHANGER CLEANING ............................32 7.1.3 GENERAL CLEANING OF THE UNIT ............................ 33 Page 2 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 3 GENERAL INFORMATION..............................34 8.1.2 PROBLEMS WITHOUT ERROR INDICATION ON THE DISPLAY .................... 34 8.1.3 TABLE OF ALARMS SIGNALLED BY DISPLAY ........................35 NOTES AND MAINTENANCE INFORMATION ........................... 36 NOTES ......................................36 Page 3 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 4: General Information

    • Do not release R134A into the atmosphere: R134A is a fluorinated greenhouse gas, referred to in the Kyoto Protocol, with a global warming potential (GWP) = 1975. Page 4 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 5: Symbology

    Installations carried out outside the warnings in this manual or use outside the operating limits will cause the Instantly the warranty. Make sure that the first start-up is carried out by personnel authorized by the company (see first start-up request form) Page 5 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 6: Compliance

    The removal, deterioration and illegibility of the plate placed on the unit leads to great problems in the identification of the machine, in the availability of spare parts and therefore in any future maintenance. Page 6 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 7: Construction Features

    By working with unconstrained water temperatures, the central generator becomes more efficient. Page 7 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 8: Main Components Of The Unit

    1. Heat recovery unit 5. Finned coils 2. Inlet fan 6. Electrical panel 3. Ejection fan 7. Recirculating air damper 4. Compressor and refrigerant circuit compartment 8. Air filters 9. BLDC Compressor Driver Page 8 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 9: Packaging And Transport

    DISASSEMBLY AND DISPOSAL 1.1.12 Do not disassemble or dispose of the product yourself. Disassembly, demolition, disposal of the product must be carried out by authorized personnel in accordance with local regulations. Page 9 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 10: Installation

    Opening of the unit cover (from below) must be ensured. Do not mount the unit with the sides in direct contact with the walls to avoid possible contact noise, insert rubber or neoprene strips in this case. Ceiling Mounting Page 10 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 11: Condensate Drain Connection

    Make sure that the siphon complies with the • following rules and is always filled with water: H1 > 40mm H2 > 40mm Condensate drain connection Page 11 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 12: Area Connections

    Depending on the system in which the unit is to be installed, it will be possible to appropriately orient the four aeraulic connections. Here is the configuration: VERSION CONFIGURATIONS Rear Connections Front Connections Page 12 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 13: Plumbing Connections

    < 2 mg/l Manganese < 1 mg/l Nitrate < 70 mg/l Sulphate < 70 mg/l Chlorine compounds < 300 mg/l Free Radical Carbon Dioxide < 10 mg/l Ammonium < 20 mg/l Page 13 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 14: Connection Placement & Procedures

    2-3 WAY VALVE CONNECTION 4.1.3 The connections of the optional 2 / 3 way valves are to be made as indicated; Be careful to follow the instructions on the valve: Page 14 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 15: Recommended Diagrams For Connection

    4.1.5 REFRIGERATOR DIAGRAMS Compressor High Pressure Switch Service socket Evaporator Water coil Filter drier Lamination Organ CD2 Water-cooled condenser Lamination Organ Post-heating valve for dehumidification Page 15 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 16: Electrical Connections

    1,67 1,73 consumption of components CONNECTION PLACEMENT & PROCEDURES 5.1.2 The entry of the electrical cables is located on the side of the unit. Four DN20 mm passages are provided. Page 16 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 17: Wiring Diagrams Of Units

    WIRING DIAGRAMS OF UNITS 5.1.3 Page 17 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 18 Modulating external air damper control Power supply 24Vac - Signal 0-10vdc RS485 Modbus RTU RS485 RTU connection 12 – 0 – A+ B- Remote Display Connection (Optional) 12-0 Power supply A+ B- Communication Page 18 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 19: Possible Modes And Configurations Of Operation For The Unit

    STAND ALONE REMOTE PANEL OPERATION The unit is operated through the temperature/humidity control panel (OPTIONAL) where you can select set points, fan speeds, activation, time slots and all unit parameters. Page 19 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 20: Electrical Connections Version

    NOTE: Do not reverse the connections on the display. This may result in damage to both the display and the unit; Recommended cable = 4 x 0.75mm Display connection (up to 15mt) Page 20 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 21 E/I E/I Through the remote control it will be possible to enable or disable this function; Screw terminals Recommended cable = 2x0.5mm / 2 x 0.75mm Contact summer winter Page 21 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 22 Contact Closed, alarm signal on; ALL ALL Screw terminals Recommended cable = 2x0.5mm / 2 x 0.75mm Contact Alarm to the outside Page 22 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 23 Recommended cable = 3 x 0.75mm or 4 x 0.75mm Screw terminals Shielded The damper has the function of partializing the outside air according to the relative humidity in summer to allow greater dehumidification; Modulating damper connection Page 23 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 24: Commissioning And Instructions For Use

    If pressed when you are on the main page, the button ESC key allows you to turn the machine on or off. allows you to access the list of active alarms Mainstage Page 24 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 25 - If switched off, the recuperator is switched off. - If switched on, at least one damper is open (outside air or - If switched on, the recuperator is active. recirculation). Page 25 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 26 COOL (summer) will be shown on the display -To change seasons, press the button , then press the buttons to select the season and confirm with the button Seasonal change To exit the menu, press the Page 26 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 27 Once the watch is set up, press the ENTER button to "SAVE". If the "AL26 – RTC Alarm" alarm does not disappear, remove and restore the power and repeat the procedure. Clock Setting (RTC) To exit the menu, press the Page 27 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 28 Backlight Display Mode (BYU) Backlight Display Percentage (BYT) Backlight display timeout (BYU) Set point cold forcing by DI (BYT) Set point hot forcing by DI (PS1) User Password User Menu Parameters Page 28 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 29 "trE" = Ambient temperature/shooting, "tOd" = Outdoor temperature, "tUA" = Water temperature, "tEH" = Ejection temperature, , "HUM" = Ambient humidity, "FAn" = Fan remote potentiometer input value. Sensor Status Screen Page 29 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 30 The history display is circular. To exit the menu, press the Alarm history menu display Page 30 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 31 To exit the menu, press the CAUTION: Changes to these parameters result in an unapproved and dangerous modification to the operation of the unit; Only contact authorized personnel! Maintainer / installer / builder menu Page 31 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 32: Maintenance

    • the screws; Attention! Never touch the fins of the heat exchanger, handle the heat exchanger keeping it only on the closed sides. View for exchanger extraction Page 32 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 33: General Cleaning Of The Unit

    Attention! There are small metal clips on the blades for balancing the blades, DO NOT remove them. Unit Views for General Cleaning Page 33 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 34: General Information

    Clean the condensate drain Condensate does not flow from the drain duct into the Check that the unit is perfectly flat drip tray Check that the condensate drain connections are not clogged Page 34 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 35: Table Of Alarms Signalled By Display

    Faulty or disconnected ambient humidity/intake probe Automatic Inhibition of regulation-dependent AL35 Faulty or disconnected air quality probe Automatic Inhibition of regulation-dependent AL36 Fan remote potentiometer faulty or disconnected Automatic Inhibition of regulation-dependent on it Page 35 KHRD-H WITH INVERTER INSTALLATION USE AND MAINTENANCE MANUAL...
  • Page 36: Notes And Maintenance Information

    Produced by Sinergia s.r.l. Via del Commercio 1/A, 23017 Morbegno (SO) ITALY Distributed by Giacomini S.p.A. under the trademark Via per Alzo 39, 28017 San Maurizio d’Opaglio (NO) Italia consulenza.prodotti@giacomini.com +39 0322 923372 giacomini.com The data in this manual may be changed by the manufacturer without notice.

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