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Galletti MPE D Скачать руководство пользователя страница 27

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MPED 76 T

All copying, even partial, of this manual is strictly forbidden

RG66012163 - Rev 00

10

PRESSURE DROPS

10.1

PRESSURE DROPS ON THE WATER SIDE

The diagram shows the evaporator pressure drops (∆p) as a function of the water flow rate (Qw), assuming an average water temperature of 10°C.

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Содержание MPE D

Страница 1: ...MPE D 7 kW 76 kW R410A eco TECHNICAL MANUAL FOR CHILLERS AND HEAT PUMPS EN Air condensed duct water chillers and heat pumps PERFORMA MPE series DUCTABLE VERSION ...

Страница 2: ...6 Performance 20 6 1 Integrated capacities 21 7 Sound level 21 8 Operating limits 22 8 1 Cooling mode 22 8 2 Heating mode 22 8 3 Thermal carrier fluid 22 9 Calculation factor 23 9 1 Change in operating parameters with t other than 5 C 23 9 2 Water and glycol mixture 23 10 Pressure drop 24 10 1 Pressure drops water side 24 10 2 Pressure drops of Y filter 28 11 Available head 29 12 Water circuit 33 ...

Страница 3: ...HOWS THE FOLLOWING DATA Series and size of the unit Date of manufacture Main technical data Manufacturer The label is applied on the unit usually on the enclosing panels beside the condenser coil IMPORTANT NEVER REMOVE THE LABEL Serial number of the unit The serial number permits to identify the technical characteristics and the components installed Without this datum it will be impossible to iden...

Страница 4: ...RIE T54 T61 T69 T76 SELF ADAPTIVE The electronic control system allows the setpoint to be adjusted automatically according to the outdoor temperature in order to reduce consumption and broaden the working temperature range The unit can also function in systems with a low water content even without the use of a storage reservoir thanks to the automatic adjustment which limits the number of compress...

Страница 5: ...ally removable fan considerably reduce maintenance work The use of finned block heat exchangers with 8mm diameter pipes reduces pressure drops on the air side thus significantly improving the noise levels of the units FINNED BLOCK HEAT EXCHANGER Made of 8mm diameter copper pipes and aluminium fins generously sized The special engineering of the heat exchangers allows defrost cycles to be carriedou...

Страница 6: ...changer 3 Fans 4 Water differential pressure switch fan housing 5 Automatic air purge valve 6 Expansion vessel fan housing 7 Water tank accessory 9 4 way valve MPED H 10 Thermostatic valve 11 Water safety valve 12 Liquid receiver 13 Pump 14 Compressor 15 Refrigerant filter 16 Low pressure switch and charge port 17 High pressure switch and charge port 18 Water gauge 19 Water charge ...

Страница 7: ... Fans 4 Water differential pressure switch fan housing 5 Automatic air purge valve 6 Expansion vessel fan housing 7 Water tank accessory 9 4 way valve MPED H 10 Thermostatic valve 11 Water safety valve 12 Liquid receiver fan housing 13 Pump 14 Compressor 15 Refrigerant filter 16 Low pressure switch and charge port 17 High pressure switch and charge port 18 Water gauge 19 Water charge ...

Страница 8: ...r 3 Fans 4 Water differential pressure switch fan housing 5 Automatic air purge valve 6 Expansion vessel fan housing 7 Water tank accessory 9 4 way valve MPED H 10 Thermostatic valve 11 Water safety valve 12 Liquid receiver fan housing 13 Pump 14 Compressor 15 Refrigerant filter 16 Low pressure switch and charge port 17 High pressure switch and charge port 18 Water gauge 19 Water charge ...

Страница 9: ... Fans 4 Water differential pressure switch fan housing 5 Automatic air purge valve 6 Expansion vessel fan housing 7 Water tank accessory 9 4 way valve MPED H 10 Thermostatic valve 11 Water safety valve 12 Liquid receiver fan housing 13 Pump 14 Compressor 15 Refrigerant filter 16 Low pressure switch and charge port 17 High pressure switch and charge port 18 Water gauge 19 Water charge ...

Страница 10: ...r 3 Fans 4 Water differential pressure switch fan housing 5 Automatic air purge valve 6 Expansion vessel fan housing 7 Water tank accessory 9 4 way valve MPED H 10 Thermostatic valve 11 Water safety valve 12 Liquid receiver fan housing 13 Pump 14 Compressor 15 Refrigerant filter 16 Low pressure switch and charge port 17 High pressure switch and charge port 18 Water gauge 19 Water charge ...

Страница 11: ...3 Fans 4 Water differential pressure switch fan housing 5 Automatic air purge valve 6 Expansion vessel fan housing 7 Water tank accessory 9 4 way valve MPED H 10 Thermostatic valve 11 Water safety valve 12 Liquid receiver fan housing 13 Pump 14 Compressor 15 Refrigerant filter 16 Low pressure switch and charge port 17 High pressure switch and charge port 18 Water gauge 19 Water charge ...

Страница 12: ...ger 3 Fans 4 Water differential pressure switch fan housing 5 Automatic air purge valve 6 Expansion vessel fan housing 7 Water tank accessory 8 4 way valve MPED H 9 Thermostatic valve 10 Water safety valve 11 Liquid receiver fan housing 12 Pump 13 Compressor 14 Refrigerant filter 15 Low pressure switch and charge port 16 High pressure switch and charge port 17 Water gauge 18 Water charge ...

Страница 13: ...Standard initial A Ducted with radial fans D Expansion valve 0 Traditional 0 Electronic A Pump and accessories 0 Absent 0 Pump expansion tank filling tap 1 Dual pump expansion tank filling tap 2 Inertial buffer tank 0 Absent 0 Present expansion tank S Partial heat recovery the condensation control must be added 0 Absent 0 Present with pump contact D Fan regulation C Condensation control Rpm adjust...

Страница 14: ...lement chiller coil wire PDC 4 Control microprocessor 1 BASE microprocessor 1 ADVANCED microprocessor 2 Advanced microprocessor kit GSM 3 Advanced microprocessor clock card 4 ACCESSORIES O Horizontal air expulsion orientation vertical STANDARD M Manual air flow rate setting A Automatic flow rate setting only ADVANCED microprocessor Base rubber vibration dumpers Spring vibration dumpers kit Simplif...

Страница 15: ...6 76 105 145 145 145 n of compressors circuits 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Refrigerant charge kg 2 0 2 1 2 1 2 9 2 9 4 0 4 1 3 7 4 2 5 8 6 0 7 5 Low high pressure switch bar 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 n of axial fan 1 1 1 1 1 1 1 1 1 1 1 2 Air flow m3 h 3533 3533 3533 7666 7666 7192 7192 13384 13384 12191 12191 16276 Fan maximum head Pa 157 157 ...

Страница 16: ... 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 Refrigerant charge kg 7 5 7 8 10 8 13 0 15 0 7 8 7 8 10 9 10 9 11 0 11 0 16 0 16 0 Low high pressure switch bar 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 n of axial fan 2 2 2 2 2 2 2 2 2 2 2 2 2 Air flow m3 h 16276 16276 15776 20048 20048 16276 16276 15776 15776 24933 24933 24354 24354 Fan maximum head Pa 240 240 285 515 515 267 267 307 307...

Страница 17: ...32 5 28 5 28 7 26 7 81 9 46 11 0 13 7 13 8 13 5 14 4 15 3 Maximum current absorption A 17 11 26 18 33 21 24 26 26 26 28 37 Starting absorbed current A 63 49 98 48 97 63 66 76 105 145 145 145 n of compressors circuits 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Refrigerant charge kg 2 0 2 1 2 1 2 9 2 9 4 0 4 1 3 7 4 2 5 8 6 0 7 5 Low high pressure switch bar 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2...

Страница 18: ...rption A 41 43 47 55 66 50 55 55 58 57 61 69 76 Starting absorbed current A 166 161 183 221 266 103 115 146 156 177 187 202 229 n of compressors circuits 1 1 1 1 1 1 1 1 1 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 Refrigerant charge kg 7 5 7 8 10 8 13 0 16 0 7 8 7 8 10 9 10 9 13 0 13 0 19 5 19 5 Low high pressure switch bar 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 2 42 n of axial fan 2 ...

Страница 19: ...ondensation and evaporation control which will correspond to the nominal air flow rate BASE CONTROLLER The installer will vary the fan speed in order to measure using a differential pressure gauge belonging to him her the Δp corresponding to the nominal air flow rate On board the unit will be provided the table of the relationship between Δp and nominal flow rate ADVANCED CONTROLLER The automatic ...

Страница 20: ...erature Inlet water temperature Outlet water temperature Ethylene glycol percentage default 0 Directivity factor and distance Output data Cooling heating capacity Water flow rate on user side Water pressure drop on user side Total power input Total Absorbed current Compressor Power Input Compressor Absorbed current EER ESEER COP Pump available head Maximum current FLA Inrush current LRA Inrush Cur...

Страница 21: ... 71 0 77 0 79 5 80 8 78 0 79 1 69 9 86 84 58 56 MPED 010 71 0 77 0 79 5 80 8 78 0 79 1 69 9 86 84 58 56 MPED 013 69 6 75 6 78 1 79 4 76 6 77 7 68 5 85 83 57 55 MPED 015 69 6 75 6 78 1 79 4 76 6 77 7 68 5 85 83 57 55 MPED 018 72 8 78 8 81 3 82 6 79 8 80 9 71 7 88 86 60 58 MPED 020 72 8 78 8 81 3 82 6 79 8 80 9 71 7 88 86 60 58 MPED 024 70 6 76 6 79 1 80 4 77 6 78 7 69 5 86 84 58 56 MPED 027 67 9 73...

Страница 22: ...D series can work with mixtures of water and up to 35 ethylene glycol 8 OPERATING LIMITS The graphs below illustrate the operating limits of MPED in the case of continuous operation in relation to the outlet water temperature and outdoor air temperature Warning The units are designed to work with water and air temperatures falling within the range defined by the operating limits Attempting to oper...

Страница 23: ... heating capacity CPA Correction coefficient of electrical input CQw Correction coefficient of water flow rate C pw1 Correction coefficient of pressure drop 9 2 WATER AND GLYCOL MIXTURE Based on the minimum outlet water temperature you can derive the percentage of ethylene glycol and the corrective coefficient using the table below Warning The use of propylene glycol is not admitted with standard ...

Страница 24: ... 12000 p KPa Qw l h MPE 010 013 MPE 015 018 MPE 020 MPE 024 MPE 027 032 MPE 030T 034T 035 MPE 040 040T 045T All copying even partial of this manual is strictly forbidden RG66012163 Rev 00 10 PRESSURE DROPS 10 1 PRESSURE DROPS ON THE WATER SIDE The diagram shows the evaporator pressure drops p as a function of the water flow rate Qw assuming an average water temperature of 10 C ...

Страница 25: ... KPa Qw l h MPE 054 MPE 066 All copying even partial of this manual is strictly forbidden RG66012163 Rev 00 10 PRESSURE DROPS 10 1 PRESSURE DROPS ON THE WATER SIDE The diagram shows the evaporator pressure drops p as a function of the water flow rate Qw assuming an average water temperature of 10 C ...

Страница 26: ...150 00 200 00 250 00 0 60 2 60 4 60 6 60 8 60 10 60 12 60 14 60 16 60 18 60 20 60 MPED 61 T All copying even partial of this manual is strictly forbidden RG66012163 Rev 00 10 PRESSURE DROPS 10 1 PRESSURE DROPS ON THE WATER SIDE The diagram shows the evaporator pressure drops p as a function of the water flow rate Qw assuming an average water temperature of 10 C ...

Страница 27: ...0 120 00 140 00 160 00 180 00 200 00 0 60 5 60 10 60 15 60 20 60 25 60 MPED 76 T All copying even partial of this manual is strictly forbidden RG66012163 Rev 00 10 PRESSURE DROPS 10 1 PRESSURE DROPS ON THE WATER SIDE The diagram shows the evaporator pressure drops p as a function of the water flow rate Qw assuming an average water temperature of 10 C ...

Страница 28: ...00 8000 10000 12000 p kPa Qw l h MPE 010 028 MPE 032 066 MPE T30 T76 All copying even partial of this manual is strictly forbidden RG66012163 Rev 00 10 PRESSURE DROPS 10 2 PRESSURE DROPS OF Y FILTER The diagram shows the Y filter pressure drops p as a function of the water flow rate Qw assuming an average water temperature of 10 C ...

Страница 29: ...013 MPE 015 MPE 020 MPE 024 MPE 027 028 032 MPE 030T 034T 035 MPE 040 040T 045T MPE 018 All copying even partial of this manual is strictly forbidden RG66012163 Rev 00 11 AVAILABLE HEAD OF THE UNIT The diagram below shows the available head Pu of the unit as a function of the water flow rate Qw assuming an average water temperature of 10 C net of pressure drops Pressure drops of the Y filter are n...

Страница 30: ...2 60 4 60 6 60 8 60 10 60 12 60 14 60 16 60 18 60 MPED 54 T All copying even partial of this manual is strictly forbidden RG66012163 Rev 00 11 AVAILABLE HEAD OF THE UNIT The diagram below shows the available head Pu of the unit as a function of the water flow rate Qw assuming an average water temperature of 10 C net of pressure drops Pressure drops of the Y filter are not counted ...

Страница 31: ... 00 13 00 15 00 17 00 19 00 MPED 69 T All copying even partial of this manual is strictly forbidden RG66012163 Rev 00 11 AVAILABLE HEAD OF THE UNIT The diagram below shows the available head Pu of the unit as a function of the water flow rate Qw assuming an average water temperature of 10 C net of pressure drops Pressure drops of the Y filter are not counted ...

Страница 32: ...ven partial of this manual is strictly forbidden RG66012163 Rev 00 11 AVAILABLE HEAD OF THE UNIT The diagram below shows the available head Pu of the unit as a function of the water flow rate Qw assuming an average water temperature of 10 C net of pressure drops Pressure drops of the Y filter are not counted ...

Страница 33: ...incoming water supply is hooked up to the connection marked Water Inlet Otherwise the evaporator would be exposed to the risk of freezing since the antifreeze thermostat would not be able to perform its function moreover the reverse cycle would not be respected in the cooling mode resulting in additional risks of malfunctioning The dimensions and position of plumbing connections are shown in the d...

Страница 34: ...TER CIRCUIT MPED EVAPORATOR AND PUMP MPED EVAPORATOR OPTIONAL OPTIONAL LEGEND VS Safety valve EV Evaporator PD Water differential pressure switch MA Water gauge VAS Air bleed hole OPTIONAL ONLY FOR MPED 28 66 30 45T 54 76T RANGE VE Expansion vessel P Pump RS Drain RC Water charge VU Check valve ...

Страница 35: ...FER TANK OPTIONAL OPTIONAL OPTIONAL ONLY FOR MPED 28 66 30 45T 54 76T RANGE ONLY FOR MPED 10 27 RANGE ONLY FOR MPED 10 27 RANGE NOT AVAILABLE FOR MPED 07 08 NOT AVAILABLE FOR MPED 07 08 LEGEND VS Safety valve EV Evaporator PD Water differential pressure switch MA Water gauge VAS Air bleed hole VE Expansion vessel P Pump RS Drain RC Water charge VU Check valve ...

Страница 36: ...jump on the expansion valve with the ensuing risk of the safety devices being triggered 1 Utility side 2 Storage tank 3 Mixing valve 4 Circulation pump 5 On board de superheater The bulb of the 3 way mixer valve is placed at the de superheater exchanger inlet By mixing the hot water produced by the recovery with colder water from the tank it reduces the time needed for the system to reach full ope...

Страница 37: ...er IL A 007M 008 M 008 010 M 010 013 015 018 020 024 027 028 032 3 32 5 28 5 28 7 26 7 81 9 46 11 0 13 7 13 8 13 5 14 4 15 3 17 3 17 0 26 0 11 0 32 9 17 9 21 0 23 6 25 8 25 8 26 1 27 7 37 4 40 7 63 98 49 97 48 63 66 76 105 145 145 145 166 0 369 0 369 0 369 1 11 1 04 0 84 0 84 2 13 2 25 1 78 1 78 2x1 25 2x1 25 1 82 1 82 1 82 4 49 4 49 3 56 3 56 3 45 3 45 2 87 2 87 2x5 45 2x5 45 0 20 0 20 0 20 0 29 ...

Страница 38: ...MPED AND PCDS PCD REMOTE CONTROL PANEL NOTE On the terminal block of the electric control panel a voltage of 24V will be present at the 50 24V terminals in the event of an alarm if it is desired to interface with a voltage free contact a relay must be applied for this purpose by the installer GENERAL ALARM SIGNAL COOLING HEATING REMOTE SELECTION ON OFF STAND BY SWITCH PCDS POWER SUPPLY USE SHIELDE...

Страница 39: ...L DIMENSIONS LEGEND 1 Water in 1 female 2 Water out 1 female 3 Safety valve discharge outlet provided with rubber ring holder 4 Water supply 1 2 male optional tap 5 Drain manifold 1 2 female 6 Power supply Ø 28 mm 7 Electric control board 8 Dampers fastening points accessory A x B Duct outlet dimensions ...

Страница 40: ...ALL DIMENSIONS LEGEND 1 Water in 1 female 2 Water out 1 female 3 Safety valve discharge outlet provided with rubber ring holder 4 Water supply 1 2 male optional tap 5 Drain manifold 1 2 female 6 Power supply Ø 28 mm 7 Electrical control board 8 Dampers fastening points accessory A x B Duct outlet dimensions ...

Страница 41: ...ENSIONS LEGEND 1 Water in 1 1 4 female 2 Water out 1 1 4 female 3 Safety valve discharge outlet provided with rubber ring holder 4 Water supply 1 2 male optional tap 5 Drain manifold 1 2 female 6 Power supply Ø 28 mm 7 Electrical control board 8 Dampers fastening points accessory A x B Duct outlet dimensions ...

Страница 42: ...NK MPED 30 45 T 14 OVERALL DIMENSIONS LEGEND 1 Water in 1 1 4 female 2 Water out 1 1 4 female 3 Safety valve discharge outlet provided with rubber ring holder 4 Water supply 1 2 male optional tap 5 Drain manifold 1 2 female 6 Power supply Ø 37 mm 7 Electrical control board 8 Dampers fastening points accessory A x B Duct outlet dimensions ...

Страница 43: ... 1 Water inlet 2 female 2 Water outlet 2 female 3 Safety valve discharge outlet provided with rubber ring holder 4 Water supply male 5 Water drainage female 6 Power supply 7 Electric control board 8 Fastening points for vibration dampers accessory 9 Desuperheater water inlet 1 female 10 Desuperheater water outlet 1 female A x B Duct outlet dimensions ...

Страница 44: ...strictly forbidden RG66012163 Rev 00 14 OVERALL DIMENSIONS LEGEND 1 Water inlet 2 female 2 Water outlet 2 female 3 Safety valve discharge outlet provided with rubber ring holder 4 Water supply male 5 Water drainage female 6 Power supply A x B Duct outlet dimensions ...

Страница 45: ...n respectively in the top and front views of the dimensional diagrams The isometric view shows for example the case of ducting on the side panel DUCT DIMENSIONS A mm B mm DUCT DIMENSIONS A mm B mm 007M 008 M 008 010 M 010 013 015 018 020 024 027 028 032 535 535 535 605 605 605 605 1015 1015 1015 1015 1320 1320 300 300 300 409 409 409 409 487 487 487 487 420 420 035 040 054 066 T30 T34 T40 T45 T54 ...

Страница 46: ...condensation while operating in the heating mode MPED water chillers and heat pumps are air cooled units suitable for indoor installation It is necessary to install air intake and outlet ducts that must be sized for the nominal air flow rate and the available useful pressure of each model At the same time avoid installations that may allow air recirculation to take place between the intake and the...

Страница 47: ...TRICAL BOX EXCHANGER SIDE HEAT EXCHANGER WATER CONNECTION SIDE EXCHANGER SIDE ELECTRICAL BOX MPED N DAMPERS 04 08 4 10 15 4 18 27 4 28 66 6 30 45 T 6 54 76 T 6 15 1 DAMPERS SITING DAMPERS MPED 54 76T SIDE DISCHARGE WATER ELECTRICAL BOX EXCHANGER SIDE HEAT EXCHANGER WATER CONNECTION SIDE MPED 30 45T SIDE DISCHARGE WATER HEAT EXCHANGER WATER CONNECTION SIDE ELECTRICAL BOX EXCHANGER SIDE FAN SIDE FAN...

Страница 48: ...www galletti it 40010 Bentivoglio BO Via Romagnoli 12 a Tel 051 8908111 Fax 051 8908122 Company UNI EN ISO 9001 and OHSAS 18001 certified ...

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