AERMEC VXT R410A Technical Manual Installation Maintenance Download

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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

37040 Bevilacqua (VR) - Italien

Via Roma, 44 - Tel. (+39) 0442 633111

Telefax (+39) 0442 93730 - (+39) 0442 93566

www

.aermec.

com

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Summary of Contents for VXT R410A

Page 1: ...Italiano TECHNICAL MANUAL INSTALLATION MAINTENANCE VXT R410A R410A Water water or geothermic heat pumps IVXTPY 09 02 5890950_01 English ...

Page 2: ...achinery Directive in terms of safety We constantly monitor the quality level of our products and as a result AERMEC products are synonymous with Safety Quality and Reliability 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...

Page 3: ...er kW VXT 06 230V 16 11 2 Heating capacity input power kW VXT 08 230V 17 11 3 Heating capacity input power kW VXT 10 230V 17 11 4 Heating capacity input power kW VXT 06 400V 18 11 5 Heating capacity input power kW VXT 08 400V 18 11 6 Heating capacity input power kW VXT 10 400V 19 11 7 Heating capacity input power kW VXT 14 400V 19 11 8 Cooling capacity input power kW VXT 06 230V 20 11 9 Cooling ca...

Page 4: ...c emissions for industrial environments EN378 Refrigerating systems and heat pumps Safety and environmental requirements EN12753 Copper and copper alloys Seamless round copper tubes for air conditioning and refrigeration UNI EN 12735 Seamless round copper tubes for air conditioning and refrigeration UNI EN 14276 Pressure equipment for cooling systems and heat pumps Therefore complying with the ess...

Page 5: ...nd you that the use of products that employ electrical energy and water requires that a number of essential safety rules be followed including This appliance is not suitable for use by persons including children with limited physical sensory or mental capacities or those lacking experience or knowledge unless they are supervised or instructed regarding the use of the appliance by a person who is r...

Page 6: ...quirements of a home with low energy consumption The VXT units also allow the complete production of domestic hot water DHW UP TO 55 C The use of this heat pump contributes to respecting the environment For efficient use it is very important to carefully analyse the heating system of the geothermic circuit Pay particular attention that the temperature of the flow water is as low as possible FIELD ...

Page 7: ... water applications Pump ON OFF PHASE CUT OFF INVERTER for geothermic applica tions 11 Water filter geothermic or sheet or well water side 12 Domestic hot water side water filter 13 User side water filter 14 User side pump 15 Plate heat exchangers 16 Differential pressure switch 17 DHW side flow switch 18 Automatic air vent valve interrupted 19 Heat exchanger for the instantaneous supply of domest...

Page 8: ...vaporator inlet and outlet it has the task of controlling that there is water circulation If this is not the case it blocks the unit DHW CIRCUIT 6 3 2 Storage tank lt 180 Steel storage tank for the production of domestic hot water DHW With copper coil always passed by the hot gas leaving the compressor The tank has an internal expansion membrane 8 litre and is prepared with attachments for solar p...

Page 9: ...rature probe to be connected electrically SAS DHW temperature probe SC1 Solar heating kit heat exchanger ACCESSORY SC2 Domestic hot water instantaneous heat exchanger DHW SF Automatic vent valve interrupted SIA Inlet water probe STZ Area temperature probe to be connected electrically SUA Outlet water probe SUS Domestic hot water outlet temperature probe DHW TE Thermometer V3M Manual mixer valve VM...

Page 10: ...with bus with branches that do not exceed 5 m ANTI VIBRATION VERSION VT Group of four anti vibration mounts to be installed under the sheet steel base in the prepared points They serve to reduce vibrations produced by the compressor whilst functioning SOLAR HEAT KIT VERSION KST Made up from a metal cabinet painted with RAL 9002 polyester powders plate heat exchanger pump ADDITIONAL TEMPERATURE AND...

Page 11: ...R410A DOMESTIC HOT WATER DHW MAXIMUM TEMPERATURE Continuous distribution of domestic hot water at the flow rate of 12 lt min and temperature of 40 C min 12 13 5 15 EVAPORATOR PLATES Number n 1 1 1 CONDENSER PLATES Number n 1 1 1 WATER WATER HEAT EXCHANGER PLATES Number n 1 1 1 STORAGE TANK Amount of water lt 180 180 180 PUMP SIDE UTILITIES GEOTHERMIC Input power W 85 120 120 DHW SIDE PUMP Input po...

Page 12: ... 1 1 1 1 REFRIGERANT GAS R410A DOMESTIC HOT WATER DHW MAXIMUM TEMPERATURE Continuous distribution of domestic hot water at the flow rate of 12 lt min and temperature of 40 C min 12 13 5 15 16 16 5 EVAPORATOR PLATES Number n 1 1 1 1 1 CONDENSER PLATES Number n 1 1 1 1 1 WATER WATER HEAT EXCHANGER PLATES Number n 1 1 1 1 1 STORAGE TANK Amount of water lt 180 180 180 180 180 PUMP SIDE UTILITIES GEOTH...

Page 13: ...ESTIC HOT WATER DHW MAXIMUM TEMPERATURE Continuous distribution of domestic hot water at the flow rate of 12 lt min and temperature of 40 C min 12 13 5 15 EVAPORATOR PLATES Number n 1 1 1 CONDENSER PLATES Number n 1 1 1 WATER WATER HEAT EXCHANGER PLATES Number n 1 1 1 STORAGE TANK Amount of water lt 180 180 180 PUMP SIDE UTILITIES GEOTHERMIC Input power W 85 120 120 DHW SIDE PUMP Input power W 50 ...

Page 14: ...cuit n 1 1 1 1 1 1 1 1 1 1 REFRIGERANT GAS R410A DOMESTIC HOT WATER DHW MAXIMUM TEMPERATURE Continuous distribution of domestic hot water at the flow rate of 12 lt min and temperature of 40 C min 12 13 5 15 16 16 5 EVAPORATOR PLATES Number n 1 1 1 1 1 CONDENSER PLATES Number n 1 1 1 1 1 WATER WATER HEAT EXCHANGER PLATES Number n 1 1 1 1 1 STORAGE TANK Amount of water lt 180 180 180 180 180 PUMP SI...

Page 15: ...g Holes Lateral view LEFT Lateral view RIGHT REAR view Holes for passage Electric cables Panel for Maintenance OUT Domestic hot water OUT System IN Domestic hot water IN System IN Sheet Geothermic side OUT Sheet Geothermic side 58 23 209 08 84 85 255 75 72 7 90 28 255 235 22 50 104 30 50 1 2 3 4 5 6 7 1 1 F geothermal return 2 1 F geothermal flow 3 1 F system return 4 1 F system flow 5 3 4 M DHW o...

Page 16: ...89 6 89 2 18 6 76 2 37 4 7 56 1 24 7 48 1 41 7 40 1 60 7 36 1 89 7 31 2 20 7 22 2 37 7 30 2 56 5 7 75 1 24 7 68 1 41 7 60 1 60 7 56 1 89 7 52 2 21 7 45 2 38 7 37 2 54 6 8 04 1 23 7 94 1 40 7 84 1 59 7 77 1 87 7 71 2 19 7 61 2 37 7 52 2 55 8 8 61 1 22 8 46 1 39 8 31 1 58 8 19 1 84 8 07 2 15 7 93 2 34 7 81 2 55 10 9 18 1 21 8 98 1 38 8 78 1 56 8 61 1 82 8 43 2 11 8 26 2 32 8 10 2 56 12 9 75 1 20 9 5...

Page 17: ...2 11 98 3 23 CONDENSER WATER TEMPERATURE C EVAPORATOR WATER TEMPERATURE C 25 30 35 40 45 50 55 Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa 6 9 17 2 08 8 99 2 36 8 80 2 67 8 62 3 10 8 43 3 41 4 9 78 2 07 9 61 2 34 9 44 2 65 9 27 3 07 9 11 3 38 2 10 40 2 05 10 24 2 33 10 07 2 64 9 93 3 04 9 79 3 35 9 47 3 85 0 11 01 2 04 10 86 2 32 10 71 2 63 10 59 3 01 10 47 3 32 10 21 3 81 2 11 63 2 03 11 49 2 30 11...

Page 18: ... 9 25 2 58 CONDENSER WATER TEMPERATURE C EVAPORATOR WATER TEMPERATURE C 25 30 35 40 45 50 55 Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa 6 7 38 1 52 7 23 1 72 7 08 1 95 6 94 2 27 6 79 2 49 4 7 93 1 51 7 76 1 71 7 60 1 94 7 43 2 25 7 27 2 49 2 8 48 1 50 8 29 1 70 8 11 1 93 7 93 2 23 7 76 2 48 7 62 2 81 0 9 03 1 49 8 82 1 69 8 62 1 92 8 43 2 21 8 25 2 48 8 10 2 79 2 9 58 1 48 9 35 1 68 9 13 1 91 8 92 ...

Page 19: ... 15 61 3 40 15 20 3 89 TCONDENSER WATER TEMPERATURE C EVAPORATOR WATER TEMPERATURE C 25 30 35 40 45 50 55 Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa 6 12 23 2 56 11 98 2 90 11 73 3 28 11 49 3 82 11 24 4 20 4 13 04 2 54 12 81 2 89 12 58 3 27 12 37 3 78 12 15 4 16 2 13 86 2 53 13 65 2 87 13 43 3 25 13 24 3 74 13 06 4 13 12 63 4 74 0 14 68 2 51 14 48 2 85 14 28 3 24 14 12 3 70 13 97 4 09 13 61 4 69 2 ...

Page 20: ... 2 24 7 13 2 58 6 61 2 95 CONDENSER WATER TEMPERATURE C EVAPORATOR WATER TEMPERATURE C 25 30 35 40 45 50 55 Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa 6 5 61 1 59 5 30 1 84 4 99 2 13 4 67 2 47 4 33 2 85 4 6 10 1 58 5 77 1 82 5 44 2 11 5 08 2 45 4 72 2 83 2 6 59 1 57 6 24 1 81 5 88 2 09 5 49 2 44 5 10 2 82 4 72 3 18 0 7 08 1 56 6 71 1 80 6 33 2 07 5 89 2 42 5 49 2 80 5 07 3 17 2 7 57 1 54 7 18 1 78 ...

Page 21: ...50 12 74 2 87 11 88 3 30 11 02 3 79 10 16 4 34 CONDENSER WATER TEMPERATURE C EVAPORATOR WATER TEMPERATURE C 25 30 35 40 45 50 55 Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa 6 4 54 1 27 4 29 1 47 4 04 1 70 3 78 1 97 3 51 2 28 4 4 94 1 26 4 67 1 46 4 40 1 69 4 11 1 96 3 82 2 27 2 5 33 1 25 5 05 1 45 4 76 1 67 4 44 1 95 4 13 2 25 3 82 2 54 0 5 73 1 24 5 43 1 44 5 13 1 66 4 77 1 94 4 44 2 24 4 11 2 54 2...

Page 22: ... 88 7 34 3 30 CONDENSER WATER TEMPERATURE C EVAPORATOR WATER TEMPERATURE C 25 30 35 40 45 50 55 Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa 6 7 32 1 91 6 91 2 21 6 51 2 55 6 10 2 96 5 65 3 42 4 7 96 1 90 7 53 2 19 7 10 2 53 6 63 2 94 6 15 3 40 2 8 60 1 88 8 14 2 17 7 68 2 51 7 16 2 93 6 66 3 38 6 16 3 81 0 9 24 1 87 8 75 2 16 8 26 2 49 7 69 2 91 7 16 3 36 6 62 3 81 2 9 88 1 85 9 37 2 14 8 84 2 47 8 ...

Page 23: ...14 42 5 01 13 30 5 72 CONDENSER WATER TEMPERATURE C EVAPORATOR WATER TEMPERATURE C 25 30 35 40 45 50 55 Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa Pt Pa 6 10 84 2 79 10 24 3 22 9 65 3 72 9 03 4 32 8 38 4 99 4 11 79 2 76 11 15 3 19 10 51 3 69 9 82 4 29 9 12 4 96 2 12 74 2 74 12 06 3 17 11 38 3 66 10 61 4 27 9 86 4 93 9 12 5 56 0 13 69 2 72 12 97 3 14 12 24 3 63 11 39 4 24 10 60 4 90 9 81 5 55 2 14 64 2 70...

Page 24: ... 3 06 24 98 3 41 24 17 3 91 23 37 4 51 22 66 5 11 22 05 5 81 18 27 86 2 64 26 99 3 04 26 14 3 38 25 26 3 89 24 39 4 51 23 60 5 10 22 98 5 83 HEATING CAPACITY INPUT POWER KW 11 16 VXT 16 400V DATA DECLARED ACCORDING TO EN 14511 2004 FOR T DIFFERENT FROM 11 17 NOMINAL For t different to 5 C use the table to obtain the corrective factors of the cooling heating capacity and input power DEPOSIT FACTORS...

Page 25: ...ercentage value recommended to produce desired water temperature is on the lower axis If you wish to calculate the percentage ofglycolonthebasisofthetemperature of the water produced enter from the right axis and on reaching the curve draw a vertical line which in turn will intercept all the other curves the points obtained from the upper curves represent the coefficients for the cooling capacity ...

Page 26: ...BILITY USEFUL TO THE SYSTEM PRESSURE DROPS AND STATIC PRESSURES 13 0 1000 2000 3000 4000 5000 6000 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 0 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 1000 2000 3000 4000 5000 6000 Water capacity l h Water capacity l h kPa kPa 26 ...

Page 27: ...lowing formula p calibration bar H m 10 2 0 3 For example if level difference H is equal to 20m the calibration value of the vessel will be 2 3 bar If calibration value obtained from formula is less than 1 5 bar that is for H 12 25 keep calibration as standard EXPANSION VESSEL CALIBRATION 14 KEY 1 Check that highest installation is not higher than 55 metres 2 Ensure that lowest installation can wi...

Page 28: ...nd potential for centre of band dB frequency VXT06 43 0 35 0 57 0 45 8 35 4 30 3 22 0 18 3 12 1 VXT08 45 0 37 0 59 0 47 8 37 4 32 3 24 0 20 3 14 1 VXT10 45 0 37 0 59 0 47 8 37 4 32 3 24 0 20 3 14 1 VXT14 47 0 39 0 61 1 49 9 39 5 34 4 26 1 22 4 16 2 VXT16 49 5 41 5 63 2 52 0 41 6 36 5 28 2 24 5 18 3 CONTROL PARAMETERS VXT 06 08 10 14 16 MAGNET CIRCUIT BREAKER COMPRESSORS MTC1 230V A 20 25 25 MTC1 4...

Page 29: ...29 ...

Page 30: ... 24 5 Connection of additional module for temperature and humidity control KTU seeTAB 11 35 24 6 Solar heating kit connection KST seeTAB 12 35 25 Commissioning 36 25 1 Preparation for commissioning 36 25 2 Commissioning 36 25 4 Plant draining 37 26 Maintenance 37 26 1 Warnings regarding maintenance 37 26 2 Extraordinary maintenance 37 27 Improper use 38 27 1 Important information regarding safety ...

Page 31: ...t the use of products that employ electrical energy and water requires that a number of essential safety rules be followed such as This appliance is not suitable for use by persons including children with limited physical sensory or mental capacities or those lacking experience or know how unless they are supervised or instructed regarding the use of the appliance by a person who is responsible fo...

Page 32: ... STANDARDS It is prohibited to stop under the unit It is mandatory to envision the technical spaces necessary 20 SAFETY WARNINGS AND INSTALLATION REGULATIONS INSTALLATION 21 Safety warnings 20 2 1 i The heat pump must be installed by a qualified and suitably trained technician in compliance with the national legislation in force in the country of destination Ministerial Decree 329 2004 A e r m e c...

Page 33: ... for not embedded installation to allow ROUTINE AND EXTRAORDINARY MAINTENANCE AND FOR FUNCTIONING NEEDS fig 5 The selected place must be such to permit laying of the necessary pipes 300 mm 300 mm 600 mm 300 mm 300 mm 500 mm 500 mm 33 ...

Page 34: ...operate according to the rules of good practice and in compliance with the regulations in force in the country of destination Ministerial Decree 329 2004 HEATING CIRCUIT 22 2 REQUISITES For installation of the heating system the EN 12828 Standard prescribes the inclusion of certain components of planting some of them have already mounted inside the unit Anexpansionvesselwithmembrane in the return ...

Page 35: ...erence Checkthatthecontinuityoftheshielding is effective for the entire length of the cable For further information refer to the accessory instructions where envi sioned NOTE Check the tightness of all power wire clamps on commissioning and after 30 days from start up Then check the tightness of all power clamps every 6 months Loose terminals can lead to overheating of cables and components EXTERN...

Page 36: ... in the system are correctly opened Cooling circuit controls 25 2 3 Check for any leaks of refrigerant gas particularly in correspondence with the manometer pressure points pressure transducers and pressure switches vibrations during transport may have loosened the fittings Once the heat pump has been started check THE HIGH PRESSURE PRESSURE SWITCH stops the compressor generating the relative alar...

Page 37: ...wer supply voltage Efficiency of safety devices Electrical absorption Tightness of electrical connections The status of the electrical connections Cooling circuit 26 1 3 Check Compressor status The work parameters Check for any R410A gas leaks from the cooling circuit and the in tegrity of the piping circuit Check the intervention of the pres sure switches and high and low pressure transducers rep...

Page 38: ...ave it checked by an authorised after sales service centre Wind earthquakes and other natural phenomena of exceptional intensity have not been considered If the unit is used in an aggressive at mosphere or with aggressive water please contact the head offices ATTENTION Following extraordinary maintenance work on the cooling circuit involving the replacement of components before restarting the mach...

Page 39: ...board 3 Panel with door lock isolating switch for closure opening of the electric panel 4 PGD0 control panel 5 Electric box 6 Upper panel for inspection 7 Upper panel 8 Stud for VT fixing ACCESSORY 9 4 VT anti vib mount kit ACCESSORY TAB 1 29 1 PANELLING colour RAL 9002 ANTI VIBRATION MOUNT KIT ACCESSORIES 39 ...

Page 40: ...ion board A4 J1 G G0 VG0 VG J2 Y1 J3 GND T tLAN IDC1 ID1 ID2 J4 ID3 ID4 Serial Address 1 2 4 8 5VRef GND B2 B1 J9 Vdc J10 B3 B4 C2 NO1 C1 NO1 NO2 NC2 NO3 C3 NC3 NO4 C4 NC4 Vdc 5VRef GND EVV driver EVD A5 4 G G0 Vbat GND DI1 DI2 S4V S4I S3 S2 S1 Vr1 Vr2 0C GNX RT RT 3 1 4 2 COM NO 1 Power supply cable 2 INPUT control from zone 1 thermostat and or programmer clock ACCESSORY 3 Reduced set point 4 Dif...

Page 41: ...lock Card A3 24VDC 5VREF GND B4 B3 B2 B1 SYNC J2 GND Y3 Y2 Y1 J3 G0 G J1 J5 J6 GND Rx Tx Rx Tx J7 J9 C1 NO1 NO2 NO3 J8 TLAN GND NO4 C4 J10 NC5 C5 NO5 J11 J4 ID1 ID2 ID3 ID4 ID5 ID6 IDC1 pCOe tLAN expansion board A4 J1 G G0 VG0 VG J2 Y1 J3 GND T tLAN IDC1 ID1 ID2 J4 ID3 ID4 Serial Address 1 2 4 8 5VRef GND B2 B1 J9 Vdc J10 B3 B4 C2 NO1 C1 NO1 NO2 NC2 NO3 C3 NC3 NO4 C4 NC4 Vdc 5VRef GND EVV driver E...

Page 42: ... pCOe tLAN expansion board A4 J1 G G0 VG0 VG J2 Y1 J3 GND T tLAN IDC1 ID1 ID2 J4 ID3 ID4 Serial Address 1 2 4 8 5VRef GND B2 B1 J9 Vdc J10 B3 B4 C2 NO1 C1 NO1 NO2 NC2 NO3 C3 NC3 NO4 C4 NC4 Vdc 5VRef GND EVV driver EVD A5 4 G G0 Vbat GND DI1 DI2 S4V S4I S3 S2 S1 Vr1 Vr2 0C GNX RT RT 3 1 4 2 COM NO 1 Power supply cable 2 INPUT control from zone 1 thermostat and or pro grammer clock ACCESSORY 3 Reduc...

Page 43: ...rial Card Clock Card A3 24VDC 5VREF GND B4 B3 B2 B1 SYNC J2 GND Y3 Y2 Y1 J3 G0 G J1 J5 J6 GND Rx Tx Rx Tx J7 J9 C1 NO1 NO2 NO3 J8 TLAN GND NO4 C4 J10 NC5 C5 NO5 J11 J4 ID1 ID2 ID3 ID4 ID5 ID6 IDC1 pCOe tLAN expansion board A4 J1 G G0 VG0 VG J2 Y1 J3 GND T tLAN IDC1 ID1 ID2 J4 ID3 ID4 Serial Address 1 2 4 8 5VRef GND B2 B1 J9 Vdc J10 B3 B4 C2 NO1 C1 NO1 NO2 NC2 NO3 C3 NC3 NO4 C4 NC4 Vdc 5VRef GND E...

Page 44: ...tLAN J3 GND T T ADDRESS SERIAL 1 2 3 4 A4 8 4 2 1 T T GND J3 tLAN A5 t0 F t0 t0 6 3 4 5 6 7 8 p0 YELLOW WHITE BROWN M WHITE BROWN GREEN GREEN YV4 BT5 BT6 BT8 BP2 9 10 t0 BT7 G 4 5 6 E 1 2 3 4 5 No2C2 J5 7 Id4 Id3 TC1 Primario Secondario 75VA 230 0 0 24 0 230 0 230 63VA FU5 FU6 Secondario Primario TC2 KA1 D 2 1 F1 F3 F4 16 17 8 7 FU3 L1 N C E3 M 1 1 2 3 N No4 C4 J8 6 5 D F F2 KM2 A8 7 H 1 2 3 6 R2 ...

Page 45: ...J3 tLAN A5 F 6 3 4 5 6 7 8 p0 YELLOW WHITE BROWN M WHITE BROWN GREEN GREEN YV4 BP2 9 10 G 4 5 6 E 1 2 3 4 5 No2C2 J5 7 Id4 Id3 TC1 Primario Secondario 75VA 230 0 0 24 0 230 0 230 63VA FU5 FU6 Secondario Primario TC2 KA1 D 2 1 F1 F3 F4 16 17 8 7 FU3 L3 N C E3 M 1 1 2 3 N No4 C4 J8 6 5 D F F2 A8 7 H 1 2 3 6 7 8 THS1 SA3 230Vac MAX 1A KM2 24Vac 24Vac Gnd 0 10v R1 R2 KM2 FU8 L1 L2 L3 KM1 GREY W BROWN ...

Page 46: ...30 75VA Secondario Primario TC1 Id3 Id4 7 J5 C2 No2 5 4 3 2 1 E 6 5 4 G BT7 t0 10 9 BP2 BT8 BT6 BT5 YV4 GREEN GREEN BROWN WHITE M BROWN WHITE YELLOW p0 t0 8 7 6 5 4 3 6 t0 t0 F A5 tLAN J3 GND T T 1 2 4 8 A4 4 3 2 1 SERIAL ADDRESS T T GND J3 tLAN WHITE YELLOW BROWN GREEN J10 J9 VALVOLA TER IN ANALOGICI ALIM 4 3 2 1 Vr1 S1 GND S3 G0 G IN ANALOGICI B1 OUT DIGITALI J7 J6 No3 No1 C3 C1 Idc Id2 Id1 OUT ...

Page 47: ... Secondario FU6 FU5 63VA 230 0 230 0 24 0 0 230 75VA Secondario Primario TC1 Id3 Id4 7 J5 C2 No2 5 4 3 2 1 E 6 5 4 G BT7 t0 10 9 BP2 BT8 BT6 BT5 YV4 GREEN GREEN BROWN WHITE M BROWN WHITE YELLOW p0 t0 8 7 6 5 4 3 6 t0 t0 F A5 tLAN J3 GND T T 1 2 4 8 A4 4 3 2 1 SERIAL ADDRESS T T GND J3 tLAN WHITE YELLOW BROWN GREEN J10 J9 VALVOLA TER IN ANALOGICI ALIM 4 3 2 1 Vr1 S1 GND S3 G0 G IN ANALOGICI B1 OUT ...

Page 48: ...othermal differential flow switch well flow switch FU1 Plant pump fuse FU2 Geothermal pump fuse FU3 DHW pump fuse FU4 230V 3 15A primary circuit fuse FU5 230V 400mA secondary circuit fuse FU6 24V 5A secondary circuit fuse FU7 Condensation control board fuse FU8 Integration resistances fuse IF ENVISIONED BY CONFIGURATOR KA1 High pressure alarm relay KA2 Compressor control relay PRESENT ONLY IN SING...

Page 49: ...0 9 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 49 ...

Page 50: ...container A Fig 8 by means of a standard box with 3 modules for switches Fix the rear container to the box using the oval head screws 1 present inside the packaging Connect the telephone cable 2 Place the front piece onto the rear container and fix 3 everything using the countersunk screws present inside the packaging as illustrated in Fig 8 Finally install the snap action frame 4 Electric connect...

Page 51: ...ssero presenti più kit i collegamenti in Tlan devono essere effettuati tutti in parallelo nei morsetti 9 10 di un unico cablaggio A9 Utilizzare un cavo con una sezione minima di 1 mm 11 10 BLACK RED A11 14 15 BT3 t0 Collegare la sonda BT3 nei morsetti 14 15 posti all interno del quadro elettrico dell unita VXT BT3 BT9 BT10 Per il collegamento utilizzare un cavo con sezione minima di 0 5 mm fino a ...

Page 52: ... 10 11 Per effettuare il collegamento Tlan tra il Kit solare e il quadro elettrico dell unità VXT utilizzare il seguente cablaggio in dotazione Se fossero presenti più kit i collegamenti in Tlan devono essere effettuati tutti in parallelo nei morsetti 9 10 di un unico cablaggio A9 Utilizzare un cavo con una sezione minima di 1 mm 6 3 2 1 H 7 5 4 A9 A9 Per il collegamento utilizzare un cavo con sez...

Page 53: ...53 ...

Page 54: ...c reserves the right to apply at any time all the modifications deemed necessary for improving the product 37040 Bevilacqua VR Italien Via Roma 44 Tel 39 0442 633111 Telefax 39 0442 93730 39 0442 93566 www aermec com carta reciclata recycled paper papier recyclé recycled papier ...

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