Accorroni HPE 25 Technical Information

Accorroni HPE 25 Technical Information

Air / water inverter heat pumps with axial fans and steam injection versions

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Air / water inverter heat pumps
with axial fans and steam injection versions
HPE 25÷70 - HPE LT 25÷50
INVERTER

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Summary of Contents for Accorroni HPE 25

  • Page 1 Air / water inverter heat pumps with axial fans and steam injection versions HPE 25÷70 - HPE LT 25÷50 INVERTER...
  • Page 2: Ce Conformity Declaration

    CE CONFORMITY DECLARATION DICHIARAZIONE DI CONFORMITÁ CE The company A2B ACCORRONI E.G.– Via Ancona, 37 – Osimo (AN) - Italy DECLARES that the unit : che la macchina Industrial inverter air/water heat pump with axial fan / Pompa di calore industriale aria/acqua inverter con ventilatore assiale...
  • Page 3 INDEX PURPOSES AND CONTENTS OF THE MANUAL ......................... 5 CONSERVATION OF THE MANUAL ............................5 GRAPHIC SYMBOLS................................. 5 SAFETY LAWS ..................................5 PERMITTED USES ................................... 5 GENERAL SAFETY GUIDELINES ..............................6 WORKERS’ HEALTH AND SAFETY ............................6 PERSONAL SAFETY EQUIPMENTS ............................6 SAFETY SYMBOLS ...................................
  • Page 4 ELECTRIC DATA OF THE UNIT AND AUXILIARIES ........................ 32 AVAILABLE HEAD PRESSURE OF THE UNIT WITH INTEGRATED CIRCULATOR ..............32 CIRCULATOR’S CURVES ..............................33 16.1 MODELS HPE 25 - 35 ................................33 16.2 MODEL HPE 50 - 50F ................................33 16.3 MODEL HPE 60 ..................................
  • Page 5: Graphic Symbols

    The manual of “HPE INVERTER” units collects all the necessary information for the better use of the appliance under the operator’s safety conditions which meets the requirements listed in the 2006/42/CE Equipment Directive and following amendments. PURPOSES AND CONTENTS OF THE MANUAL This manual provides the basic information as for the selection, installation, operation and maintenance of i-HP units.
  • Page 6: General Safety Guidelines

    GENERAL SAFETY GUIDELINES Before beginning to operate on HPE units every user has to be perfectly knowledgeable about the functions of the equipment and its controls and has to have read and understood the information listed in this manual. It’s strictly forbidden to remove and/or tamper with any safety device. Children or unassisted disabled persons are not allowed to use the appliance.
  • Page 7: Toxicological Information

    REFRIGERANT SAFETY DATA SHEET Name: R410A (50% Difluoromethane (R32); 50% Pentafluoroethane (R125). RISKS INDICATIONS Major risks: Asphyxia Specific risks: The rapid evaporation may cause freezing. FIRST AID General information: Never give anything by mouth to an unconscious person. Inhalation: Move to fresh air. Oxygen or artificial respiration if necessary.
  • Page 8: Technical Characteristics

    TECHNICAL CHARACTERISTICS The HPE water chillers and heat pumps series are designed for residential and industrial applications, these units are extremely versatile and can operate in heat pump mode with the ability of hot water production at a temperature up to 65°C for environmental heating and sanitary applications with the utilization of electric heaters.
  • Page 9: Hydraulic Circuit

    pressure transducer, low pressure transducer, compressor’s inlet and outlet temperature sensors, thermal protection device for fan motors, water side water flow switch to protect the evaporator, high pressure HP flow switch. 5.10 HYDRAULIC CIRCUIT The heap pump chillers of i-HP series are supplied with an integrated hydronic kit including: plate heat exchanger, a pressure gauges at the inlet and outlet of the heat exchanger for evaluating the load losses, service valve and flow switch for protection, automatic air release valve and safety valve (6 bar) to be connected to the collection system.
  • Page 10 AVAILABLE VERSIONS WITH SIZES AND ACCESSORIES The code unit is composed of:  no. 7 fixed digits (the first two digits identify the i-HP series in its eventual customizations)  the # symbol as a separator  no. 11 variables digits (fields) which identify the sizes, versions and factory mounted accessories ...
  • Page 11 CODE FACTORY INSTALLED ACCESSORIES 0110516#(CT1)(TA)(IV) Hydronic configuration Antifreeze Kit Management module for Type of fan Silencing Battery treatment plant 0 Hydraulic pipe 1 Integrated circulator 2 Shutoff valve 3 Auto-adaptive circulator Accessory 1 6 AC inverter pump ithout antifreeze kit 1 With antifreeze kit 0 GI Module not present 1 GI Module present*...
  • Page 12: Optional Accessories

    Filed Variant Description 00, 01, Heating capacity of the unit. 02, 03, 04, 05 The version of 2 pipes provides only Plant Inlet and Outlet Water. Without vapor injection. The vapor injection allows to increase the efficiency of the compressor especially in the critical conditions (air temp.
  • Page 13 Refer to the following table for obtaining the codes of the standard configurations of the various models (for selecting the accessories, just set the corresponding variant to the desired value according to the TABLE FIELDS/VARIANTS described above): Model Description Standard configuration HPE 25 Capacity of 25 kW without injection 0110516#00000000000001 Capacity of 35 kW without injection HPE 35...
  • Page 14: Lifting And Handling

    For these reasons it is necessary to observe the following clearances: MOD. Front panel HPE 25 / HPE-LT 25 1500 1000 1000...
  • Page 15: Hydraulic Connections

    (*) [mm] AXITOP (Versions SSL) [mm] HPE 25 / HPE 35 1673 1906 1785 2030 HPE 25 LT /HPE 35 LT i-HPE 50 / HPE 50F / HPE 0260 /HPE 1745 1910 1890 2055 70, HPE 50 LT (*) Some units could be shipped with another type of packaging, only in case of units without AXITOP accessory. The maximum height should be increased by 95mm.
  • Page 16 impurities through the use cartridge filter (washable, wrapped wire, etc.) of at least 100 microns. Check the water hardness with which you load and top up the plant circuit. With particularly hard water, in this case it is necessary to utilize a water softener. For treating water for the plant, please refer to UNI 8065 and the characteristics reported in the paragraph 7.2.1.
  • Page 17 7.5.3 Handbook For more information about some possible configurations, contact our offices and ask for the handbook, which collects a series of recommended drawings of plants that have been highlighted regarding the installation configuration of our high efficiency heat pumps. The "Handbook" shows also the symbiotic potential with some of our products present in the catalogue. 7.5.4 Hydraulic circuit -HP 0250F / i-HP 0250 / i-HP-LT 0250 i-HP 0125 / i-HP-LT 0125...
  • Page 18 REFRIGERANT DIAGRAMS 7.6.1 Refrigerant diagram of HPE 25 and HPE 35 models ELECTRONIC EXPANSION VALVE NO RETURN VALVE COMPRESSOR INLET TEMPERATURE LOW PRESSURE TRANSDUCER COMPRESSOR OUTLET TEMPERATURE HIGH PRESSURE TRANSDUCER HIGH PRESSURE FLOW SWITCH WATER INLET TEMPERATURE WATER OUTLET TEMPERATURE...
  • Page 19 7.6.3 Refrigerant diagram of the model HPE 0250, HPE 0260 and HPE 0270 ELECTRONIC EXPANSION VALVE NO RETURN VALVE COMPRESSOR INLET TEMPERATURE LOW PRESSURE TRANSDUCER COMPRESSOR OUTLET TEMPERATURE HIGH PRESSURE TRANSDUCER HIGH PRESSURE FLOW SWITCH WATER INLET TEMPERATURE WATER OUTLET TEMPERATURE LIQUID RECEIVER LIQUID SEPARATOR FILTER...
  • Page 20: Electrical Connections

    7.6.5 Refrigerant circuit of HPE LT 25 model ELECTRONIC EXPANSION VALVE NO RETURN VALVE COMPRESSOR INLET TEMPERATURE LOW PRESSURE TRANSDUCER COMPRESSOR OUTLET TEMPERATURE HIGH PRESSURE TRANSDUCER HIGH PRESSURE FLOW SWITCH WATER INLET TEMPERATURE WATER OUTLET TEMPERATURE LIQUID RECEIVER LIQUID SEPARATOR FILTER CYCLE REVERSING VALVE INVERTER COMPRESSOR...
  • Page 21 WARNING: The supply voltage’s fluctuations cannot exceed ±5% of the nominal value. Should this tolerance not be respected, please contact our technical department. WARNING: The power supply have to respect the listed limits: failing this, warranty will terminate immediately. Before any operation on the unit, be sure that the power supply is disconnected. WARNING: The water flow switch (B component in the previous hydraulic circuit and factory installed) has ALWAYS to be connected following the indications listed in the wiring diagram.
  • Page 22 The front panel opened at 180° Heat sinks of driver boards The accessibility to the electrical box is from the front enclosure panel (with closed unit) The electric box is opened (i-HP 0125 / i-HP 0135 / i-HP 0250F / i-HP 0250) User’s display EMI filters Contactors...
  • Page 23 If the units are equipped with GI module (which is standard for “LT” injection models), there are also other components installed in an additional plate at the bottom left side of the electric box Terminal block Support board Transformer Opened electric box (i-HP 0260 / i-HP 0270) User display EMI filters Fuses support...
  • Page 24 I ON The connections of the power supply cables to the disconnecting switch should be done in order from left to right as following: protective earth (PE), phase conductor 1 (L1), phase conductor 2 (L2), phase conductor 3 (L3), neutral conductor (N). 7.7.3 User’s terminal block GNDR PE-1...
  • Page 25: Control Logics

    AO1E AO2E ID2E ID3E DO1E DO2E DO3E DO4E DO5E ST5E ST6E ST7E ST8E AO1E AO2E ID2E ID3E DO3EN DO4EN DO5EN ST5E ST6E ST8E DO1EN DO2EN ST7E AO1E AO2E ID2E ID3E DO1EN DO2EN DO4EN ST78E DO3EN DO5EN ST5E ST6E AO1E AO2E ID2E ID3E DO1E...
  • Page 26: Indications For The User

    WARNING: When you first install and start-up the unit make sure that the unit is working properly in both cooling and heating modes. POWER-ON OF THE UNIT For powering on the appliance, rotate the outer handle of the disconnector to the ON position (indicated with "I"). The display on the machine is turned on only if the phase sequence is correct (verification to be done during initial startup).
  • Page 27: Operation

    It is a good rule to carry out periodic checks in order to verify the proper operation of the unit. 1 month 4 OPERATION 6 month Charging the water circuit. Presence of bubbles in the water circuit. Check if the safety and control devices work correctly Check if there is oil leakage from compressor.
  • Page 28: Installation

    • the frame and the various components, if not serviceable any longer, have to be dismantled and divided according to their nature, particularly copper and aluminium, which are present in conspicuous quantity in the unit. These operations allow easy material recover and recycling process, thus reducing the environmental impact. The user is responsible of the proper disposal of this product, according to national regulations in the country of destination of the appliance.
  • Page 29 13 TECHNICAL DATA 13.1 STANDARD VERSION Model: i-HP 35 / 0235 TECHNICAL CHARACTERISTICS Unit Integrated Integrated Integrated circulator circulator circulator Cooling capacity (1) 21,04 21,17 27,80 27,95 36,10 36,32 Power input (1) 6,44 6,22 8,69 8,44 12,45 12,08 EER (1) 3,26 3,40 3,20...
  • Page 30 (10) The sound pressure value is calculated from the sound power level in accordance with ISO 3744: 2010, referred to 10 m away from the unit. The values with installed accessories SL or SSL are also reported. (11) Packing’s height includes the pallet. (*) The available pressure head and characteristics of the pump refer to “CI1”...
  • Page 31 (3) Heating: Outdoor air temperature 7°C DB 6°C WB; inlet/outlet temperature 30/35°C. (4) Heating: Outdoor air temperature 7°C DB 6°C WB; inlet/outlet temperature 40/45°C. (5) Cooling: water temperature inlet/outlet 12/7°C. (6) Heating: normal climatic condition; Tbiv=-7°C; eater temperature inlet/outlet 30/35°C. (7) The data are only indicative and subject to change.
  • Page 32 Dimensions (L×H×W) 1198x1673x1198 1198x1673x1198 1198x1745x1198 Dimensions SSL version (L×H×W) 1198x1915x1198 1198x1915x1198 1198x1920x1198 Max packing dimensions (LxHxW) (11) 1200x1765x1200 1200x1765x1200 1200x1890x1200 Dimensions and Max packing dimensions SSL version weights 1200x2045x1200 1200x2045x1200 1200x2050x1200 (LxHxW) (11) Shipping weight Operating weight Operating conditions: (1) Cooling: Outdoor air temperature 35°C; inlet/outlet temperature 12/7°C. (2) Cooling: Outdoor air temperature 35°C;...
  • Page 33 16 CIRCULATOR’S CURVES 16.1 MODELS HPE 25 - 35 Configuration with integrated circulator, control via PWM1 signal Configuration with auto-adaptive circulator (with the possibility of choice between constant ∆P and variable ∆P) 16.2 MODEL HPE 50 - 50F Configuration with integrated circulator, control via 0-10 volt...
  • Page 34 16.3 MODEL HPE 60 Configuration with integrated circulator, control via 0-10 volt analogic signal Head pressure Input power P1 16.4 MOD. HPE 60 & HPE 70 Curves for the model equipped with pump driven by AC inverter. Head pressure Absorbed Power 16.5 CIRCULATOR CHARACTERISTICS Model i-HP 0125-0135...
  • Page 35 ON/OFF motorized valve should be added to those reported in the curves of Paragraph 17. For example: for the model HPE 25 with nominal water flow 1,01L/s, we obtaine 1,4kPa (valve head loss) + 30kPa (hydronic circuit head loss)=34,9 kPa (total internal head loss).
  • Page 36: Cold Water Temperature (Summer Operation)

    19.2 SSL The super silenced unit (with SSL accessory) is provided not only with the thermo-acoustic shells on compressors but also with a special diffuser installed on the fan. The diffuser structure improves the air flow efficiency and allows a fan speed reduction, lowering the acoustic pressure by up to 7,2 dB(A) and energy consumption by up to 27% with unchanged airflow.
  • Page 37: Ambient Air Temperature

    20.4 AMBIENT AIR TEMPERATURE The units are designed and manufactured to operate, in summer operation, with the condensate control, with outdoor air temperatures ranging between -10°C and 46°C. While operating as a heat pump, the allowed range of the outdoor temperature goes from -15°C (-25°C for versions with injection) to 40°C as a function of the water outlet temperature as indicated in the below table.
  • Page 38 21 CORRECTION FACTORS FOR USE OF GLYCOL Glycol rate Freezing point (°C) IPCF WFCF PDCF -3,2 0,985 1,02 1,08 -7,8 0,98 0,99 1,05 1,12 -14,1 0,97 0,98 1,10 1,22 -22,3 0,965 0,97 1,14 1,25 -33,8 0,955 0,965 1,33 CCF: Capacity correction factor IPCF: Input power correction factor WFCF: Water flow rate correction factor PDCF: Pressure drops correction factor...
  • Page 39 A2B ACCORRONI E.G. VIA ANCONA, 37 60027 OSIMO (AN) www.accorroni.it a2b@accorroni.it...
  • Page 40 A2B Accorroni E.G. s.r.l. Via d’Ancona, 37 - 60027 Osimo (An) - Tel. 071.723991 web site: www.accorroni.it - e-mail: a2b@accorroni.it...

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