AERMEC VXT R410A Technical Manual Installation Maintenance
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AERMEC VXT R410A Technical Manual Installation Maintenance

Water/water or geothermic heat pumps
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VXT
R410A
R410A
TECHNICAL MANUAL INSTALLATION MAINTENANCE
Water/water or geothermic heat pumps
IVXTPY 09/02 5890950_01

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Summary of Contents for AERMEC VXT R410A

  • Page 1 R410A R410A TECHNICAL MANUAL INSTALLATION MAINTENANCE Water/water or geothermic heat pumps IVXTPY 09/02 5890950_01...
  • Page 2 Product data may be subject to modifications deemed necessary for improving the product without the obligation to give prior notice. Thank you again. AERMEC S.p.A The technical data given on the following documentation is not binding. Aermec reserves the right to apply at any time all the modifications deemed necessary for improving the product.

  • Page 3: Table Of Contents

    Summary Yields and absorption at conditions different to nominal ... 16 11. 1 . Heating capacity / input power (kW) VXT 06 230V ......16 11.2. Heating capacity / input power (kW) VXT 08 230V ......17 Warnings regarding documentation ............5 11.3.

  • Page 4: Serial Number

    I-37040 Bevilacqua (VR) Italia – Via Roma, 44 Tel. (+39) 0442 633111 Telefax 0442 93730 – (+39) 0442 93566 www .aermec. com - info @ aermec. com SERIAL NUMBER EC DECLARATION OF CONFORMITY We, the undersigned, hereby declare under our own responsibility that the assembly in...

  • Page 5: Warnings Regarding Documentation

    WARNINGS REGARDING THE DOCUMENTATION 1. 1 . USE IN COMPLIANCE WITH AERMEC will assume prepared staff in compliance with the THE DOCUMENTATION responsibility for damage that may national legislation effective in the country occur due to failure to comply with destination.

  • Page 6: Description And Choice Of The Unit

    DESCRIPTION AND CHOICE OF UNIT The water-cooled heat pumps in the the use of exchangers with a large that already exist or new ones. VXT range with R410A refrigerant have exchange surface and a low-noise high- To exclude the risk of corrosion of the been designed and to satisfy winter/ efficiency scroll compressor.

  • Page 7: Description Of Components

    DESCRIPTION OF COMPONENTS HYDRAULIC CIRCUIT 11 Water filter geothermic or sheet or 25 Low pressure transducer DHW Pump well water side 26 Liquid indicator DHW storage tank drain 12 Domestic hot water side water filter 27 Electric box DHW storage tank 13 User side water filter 28 PGD0 control keyboard System side expansion vessel (2lt)

  • Page 8: Description Of Components

    DESCRIPTION OF THE COMPONENTS 6. 1 . COOLING CIRCUIT At inlet (DHW CIRCUIT) 6.4. SAFETY AND CONTROL COMPONENTS These allow to block and eliminate any The cooling circuit is contained in an impurities present in the hydraulic High pressure transducer (TAP) appropriately insulated compartment in circuits.

  • Page 9: Base Drawing

    6.6. BASE DRAWING Geothermy Zone 1 Zone 2 Well Sheet Well Aqueduct HYDRAULIC CIRCUIT Solar heating kit heat exchanger Compressor Flow switch (ACCESSORY) Evaporator Domestic hot water instantaneous Dehydrator filter Water filters heat exchanger (DHW) Outtake gas probe •Geothermic inlet Automatic vent valve interrupted High pressure transducer •...

  • Page 10: Accessories

    ACCESSORIES REMOTE PANEL MODELS PGD0 Allows basic control functioning of unit (start-up/switch-off, change function mode, alarm summary). The maximum installation distance allowed BETWEEN pCO2 and PGD0 is: • 50 m . with supplied telephone wire • • • • • •...

  • Page 11: Versions Technical Data

    NOMINAL REFERENCE SOUND DATA CONDITIONS Sound power FLA = Max. Input current at full load Aermec determines sound power values with LRA = Peak current at full load HEATING: measurements taken in agreement with the 9614-2 - Condenser IN/OUT water temp.

  • Page 12: 3N ~ 50Hz Floor System

    Max. Input current at full load CONDITIONS Sound power LRA = Peak current at full load Aermec determines sound power values with HEATING: measurements taken in agreement with the 9614-2 - Condenser IN/OUT water temp. 30/35 °C Standard, in compliance with that requested by - Evaporator IN/OUT water temp.

  • Page 13: 50Hz Fan Coils

    NOMINAL REFERENCE SOUND DATA CONDITIONS Sound power FLA = Max. Input current at full load Aermec determines sound power values with LRA = Peak current at full load HEATING: measurements taken in agreement with the 9614-2 - Condenser IN/OUT water temp.

  • Page 14: 3N~ 50Hz Fan Coils

    Max. Input current at full load CONDITIONS Sound power LRA = Peak current at full load Aermec determines sound power values with HEATING: measurements taken in agreement with the 9614-2 - Condenser IN/OUT water temp. 40/45 °C Standard, in compliance with that requested by Eurovent - Evaporator IN/OUT water temp.

  • Page 15: Dimensions

    DIMENSIONS View UPPER SIDE (HYDRAULIC CONNECTIONS) Holes for passage Electric cables Panel for Maintenance Lateral view Lateral view REAR LEFT RIGHT view Lifting Holes 209,08 235,22 58,23 1 1” F geothermal return 2 1” F geothermal flow 84,85 3 1” F system return 90,28 72,7 4 1”...

  • Page 16: Operational Limits

    OPERATIONAL LIMITS The functioning limits diagram is relative to a ∆t on the evaporator and on the condenser of 5°C. Glycoled Standard Water Functioning Evaporator water outlet temperature °C PROJECT DATA High pressure Low pressure side side Acceptable maximum pressure Acceptable maximum temperature °C Acceptable minimum temperature...

  • Page 17: Heating Capacity / Input Power (Kw) Vxt 08 230V

    VXT 08 230V 11.2. HEATING CAPACITY / INPUT POWER (KW) EVAPORATOR WATER TEMPERATURE °C 7.23 1.60 7.09 1.81 6.94 2.05 6.79 2.39 6.65 2.62 7.77 1.59 7.60 1.80 7.44 2.04 7.28 2.37 7. 1 3 2.62 8.31 1.58 8. 1 2 1.79 7.94 2.03...

  • Page 18: Heating Capacity / Input Power (Kw) Vxt 06 400V

    VXT 06 400V 11.4. COOLING CAPACITY / INPUT POWER (KW) EVAPORATOR WATER TEMPERATURE °C 5.67 1.28 5.55 1.45 5.44 1.64 5.32 1.91 5.21 2. 1 0 6.05 1.27 5.94 1.44 5.83 1.63 5.73 1.89 5.63 2.09 6.42 1.26 6.32 1.43 6.22 1.63 6.

  • Page 19: Heating Capacity / Input Power (Kw) Vxt 10 400V

    VXT 10 400V 11.6. HEATING CAPACITY / INPUT POWER (KW) EVAPORATOR WATER TEMPERATURE °C 9. 1 7 1.92 8.99 2. 1 8 8.80 2.46 8.62 2.86 8.43 3. 1 5 9.85 1.91 9.64 2. 1 6 9.44 2.45 9.23 2.83 9.04 3.

  • Page 20: Cooling Capacity / Input Power (Kw) Vxt 06 230V

    VXT 06 230V 11.8. COOLING CAPACITY / INPUT POWER (KW) EVAPORATOR WATER TEMPERATURE °C 4.41 1.35 4. 1 7 1.56 3.93 1.81 3.68 2. 1 0 3.41 2.42 4.80 1.34 4.54 1.55 4.28 1.79 4.00 2.08 3.71 2.41 5. 1 9 1.33 4.91 1.54...

  • Page 21: Cooling Capacity / Input Power (Kw) Vxt 10 230V

    VXT 10 230V 11. 1 0. COOLING CAPACITY / INPUT POWER (KW) EVAPORATOR WATER TEMPERATURE °C 1.99 2.30 2.66 3.08 7.26 6.86 6.46 6.05 5.61 3.56 1.97 2.28 2.64 3.07 7.90 7.47 7.04 6.58 6. 1 1 3.54 1.96 2.26 2.62 3.05 3.52...

  • Page 22: Cooling Capacity / Input Power (Kw) Vxt 08 400V

    VXT 08 400V 11. 1 2. COOLING CAPACITY / INPUT POWER (KW) EVAPORATOR WATER TEMPERATURE °C 5.83 1.51 5.51 1.75 5. 1 9 2.02 4.86 2.34 4.51 2.71 6.34 1.50 6.00 1.73 5.66 2.00 5.28 2.33 4.91 2.69 6.85 1.49 6.49 1.72 6.

  • Page 23: Cooling Capacity / Input Power (Kw) Vxt 14 400V

    VXT 14 400V 11. 1 4. COOLING CAPACITY / INPUT POWER (KW) EVAPORATOR WATER TEMPERATURE °C 9.50 2.63 8.98 3.03 8.46 3.51 7.92 4.07 7.34 4.70 10.34 2.61 9.78 3.01 9.22 3.48 8.61 4.05 8.00 4.68 11. 1 7 2.59 10.57 2.99 9.98...

  • Page 24: Cooling Capacity / Input Power (Kw) Vxt 16 400V

    VXT 16 400V 11. 1 6. HEATING CAPACITY / INPUT POWER (KW) HOT WATER TEMPERATURE °C 13.87 2.88 13.59 3.27 13.31 3.69 13.03 4.30 12.75 4.72 14.90 2.86 14.58 3.25 14.27 3.67 13.96 4.25 13.67 4.68 15.93 2.84 15.58 3.23 15.23 3.66 14.90...

  • Page 25: Ethylene Glycol Solution

    ETHYLENE GLYCOL SOLUTIONS − The correction factors of cooling power and input power take into account FcGDpF (a) 2.20 FcGDpF (b) the presence of glycol and diverse 2. 1 0 2.00 evaporation temperatures. FcGDpF (c) 1.90 − The pressure drop correction factor FcGDpF (d) 1.80 considers the different flow rate...

  • Page 26: Pressure Drops And Static Pressures

    PRESSURE DROPS AND STATIC PRESSURES 13. 1 . GEOTHERMIC /WATER SHEET SIDE PRESSURE DROPS 1000 2000 3000 4000 5000 6000 Water capacity l/h 13.2. STATIC PRESSURE AVAILABILITY USEFUL TO THE SYSTEM 1000 2000 3000 4000 5000 6000 Water capacity l/h...

  • Page 27: Expansion Vessel Calibration

    EXPANSION VESSEL CALIBRATION 14. 1 . EXPANSION VESSEL CALIBRATION Standard pressure value of expansion tank when empty is 1.5 bar. Maximum value is 6 bar. Calibration of the vessel must be regulated using the maximum level difference (H) of the user (see diagram) by using the following formula: p (calibration) [bar] = H [m] / 10.2 + 0.3.

  • Page 28: Sound Data

    SOUND DATA To prevent the transmission of noise to Total sound levels Octave band [Hz] the heating system, it is recommended Pressure. 1000 2000 4000 8000 Power. to install VT anti-vibration mounts dB(A) Sound potential for centre of band [dB] frequency dB(A) (ACCESSORY) and flexible pipes between the VXT and the heating system.

  • Page 30: List Of After-Sales Service Centres

    Index Maintenance ..................37 Warnings regarding documentation ........31 26. 1 . Warnings regarding maintenance ..........37 17. 1 7. Use in compliance with destination ..........31 26.2. Extraordinary maintenance ............. 37 17.2. Preservation of the documentation ..........31 Improper use ..................38 Fundamental safety regulations ..........
  • Page 31 (Ministerial occur due to failure to comply with Decree 329/2004). The AERMEC VXT heat pumps water/ these instructions water are constructed according to The appliance must be installed so that the recognised technical standards 17.2.
  • Page 32 SAFETY WARNINGS AND INSTALLATION REGULATIONS 20.2. 1 . Safety warnings will not assume any responsibility for TO A MINIMUM. The heat pump must be installed damage due to failure to follow these All staff involved must have thorough by a qualified and suitably trained instructions.
  • Page 33 allow ROUTINE EXTRAORDINARY MAINTENANCE − The selected place must be such 300 mm AND FOR FUNCTIONING NEEDS. to permit laying of the necessary (fig. 5) pipes 300 mm 300 mm 500 mm 300 mm 500 mm 600 mm Fig.7. Minimum technical spacesi (for not embedded installation)
  • Page 34 HYDRAULIC CIRCUIT 22. 1 . HYDRAULIC CIRCUIT INSIDE according to the rules of good practice − In addition, the following are THE VXT HEAT PUMP and in compliance with the regulations necessary components of plant not in force in the country of destination supplied: The heat pump is destined to connection (Ministerial Decree 329/2004).

  • Page 35: Electric Connections

    ELECTRIC CONNECTIONS electrical features installation It is mandatory to verify operations must be electrical lines and of the requirements refer that machine’s carried out by STAFF related components must only wiring watertight integrity IN POSSESSION OF be determined by STAFF diagram supplied with before making...
  • Page 36 COMMISSIONING 25. 1 . PREPARATION FOR THE HIGH PRESSURE PRESSURE COMMISSIONING 25.2. 1 . Electric controls of the live SWITCH CAN ALSO BE MANUALLY unit ATTENTION RE-ARMED THEREFORE PROCEED AS FOLLOWS IN THE PHOTO − Use a tester to verify that the value Before carrying out the controls of the power supply voltage −...
  • Page 37 − Before emptying place the plant different outputs and absorptions ATTENTION master switch at “OFF”: and pressure drops as indicated in If the plant contains glycol, the − Check that the loading/plant water the technical booklet. latter must not be discharged of reintegration cock is closed freely as it is a pollutant.

  • Page 38: Electrical Data

    allow the refrigerant to escape and December 1993. cause serious damage to the unload the circuit, causing appliance compressor. The amount of refrigerant gas contai- malfunctioning. In these cases the ATTENTION ned in the plate is shown on a feature leakage points must be found and It is prohibited TO LOAD the cool- board machine...
  • Page 39 TABLES 29. 1 . TAB. 1 PANELLING (colour RAL 9002) Front panel screw at ¼ turn for access to the electric control board Panel with door-lock isolating switch for closure/opening of the electric panel PGD0 control panel Electric box Upper panel for inspection Upper panel Stud for VT fixing (ACCESSORY) 4 VT anti-vib.
  • Page 40 29.2. TAB.2 6-8-10 SINGLE-PHASE ELECTRIC BOX 230-230Vac 63VA 230-24Vac 75VA . - - -- EVV driver tLAN expansion board Serial Address 1 2 4 8 Vbat S3 S2 GNX RT+ RT- Vr1 Vr2 0C LOAD tLAN Clock Card 230V - 1Ph - 50Hz Serial Card 9 10 11 12 13 14 15...
  • Page 41 29.3. TAB.3 6-8-10 SINGLE-PHASE ELECTRIC BOX with INTEGRATION RESISTANCE KIT 230-230Vac 63VA 230-24Vac 75VA . - - -- EVV driver tLAN expansion board Serial Address 1 2 4 8 Vbat S3 S2 GNX RT+ RT- Vr1 Vr2 0C LOAD tLAN Clock Card 230V - 1Ph - 50Hz Serial Card...
  • Page 42 29.4. TAB.5 6-8-1014-16 THREE-PHASE ELECTRIC BOX 230-230Vac 63VA 230-24Vac 75VA . - - -- EVV driver tLAN expansion board Serial Address 1 2 4 8 Vbat S3 S2 GNX RT+ RT- Vr1 Vr2 0C LOAD tLAN Clock Card 400V - 3Ph - 50Hz Serial Card 9 10 11 12 13 14 15...
  • Page 43 29.5. TAB.6 6-8-1014-16 THREE-PHASE ELECTRIC BOX with INTEGRATION RESISTANCE KIT 230-230Vac 63VA 230-24Vac 75VA . - - -- EVV driver tLAN expansion board Serial Address 1 2 4 8 Vbat S3 S2 GNX RT+ RT- Vr1 Vr2 0C LOAD tLAN Clock Card 400V - 3Ph - 50Hz Serial Card...
  • Page 44 29.6. TAB.4 VXT M 6-8-10 WITH SOFT START AND GEOTHERMAL PUMP...
  • Page 45 29.7. TAV5 VXT T 6-8-10-14-16 WITH GEOTHERMAL PUMP...
  • Page 46 29.8. TAV6 VXT M 6-8-10 WITH SOFT START AND WELL VALVE...
  • Page 47 29.9. TAB.7 VXT T 6-8-10-14-16 WITH WELL VALVE...
  • Page 48 29. 1 0. TAB.8 Anti-interference filter Soft start As per standard on single-phase versions, according to the configurator choice for the three-phase versions Electronic control (pCO Expansion of the controller (pCO Driver for thermostatic valve Control keyboard (PGD0) Geothermal pump condensation control board Solar kit/Freecooling kit /Second zone control kit (ACCESSORY) High pressure transducer...
  • Page 49 29. 1 1. TAB.9 EXTERNAL AIR TEMPERATURE PROBE FOR COMPENSATION (SAE) Connect clamps 9 and 10 of the external air probe kit with respective clamps 9 -10 positioned inside the electric control board of the VXT unit. For the connection use a cable with minimum section of 0.5 mm up to 50 m. to then pass to a section of 1 mm up to100 m.
  • Page 50 29. 1 2. TAB. 1 0 PGD0 The pGD0 graphical display is an electronic device that allow complete management by the display of icons (defined at the level of application software). The software is only resident in the pCO. The terminal does not require any additional software during use.
  • Page 51 29. 1 3. TAB. 1 1 KTU ADDITIONAL MODULE FOR TEMPERATURE AND HUMIDITY CONTROL (ACCESSORY) 1 2 4 8 tLAN SERIAL Primario ADDRESS IN ANALOGICI 20VA ALIM. OUT ANAL. IN DIGITALI OUT DIGITALI Secondario +Vdc +5V GND +Vdc 14 15 H 1 2 3 230V-1Ph-N-50Hz BT10...
  • Page 52 29. 1 4. TAB. 1 2 KST SOLAR HEATING KIT (ACCESSORY) FU12 1 2 3 4 0 230 tLAN SERIAL Primario ADDRESS 10VA ALIM. OUT ANAL. IN DIGITALI OUT DIGITALI IN ANALOGICI FU11 Seccondario LOAD 24 0 Id1 Id2 Id3 Id4 Idc No3Nc3No4 FU13 MORSETTI PER INSTALLATORE...
  • Page 54 The technical data given on the following documentation is not binding. Via Roma, 44 - Tel. (+39) 0442 633111 Aermec reserves the right to apply at any time all the modifications Telefax (+39) 0442 93730 - (+39) 0442 93566 deemed necessary for improving the product...

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