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GB

water chillers and heat pumps technical manual

E U R O V E N T

CERTIFIED PERFORMANCE

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Summary of Contents for MCA 10 C

Page 1: ...GB water chillers and heat pumps technical manual E U R O V E N T CERTIFIED PERFORMANCE ...

Page 2: ...e passivating treatments The compressor compartment is completely sealed and may be accessed on 3 sides thanks toeasy to removepanelsthatgreatlysimplifymaintenanceand orinspection MICROPROCESSOR CONTROL The µChiller control panel allows the full management of the MCA units and is easly reachable throw a polycarbonate door with IP 65 protection degree Main functions control of the water inlet tempe...

Page 3: ... interposed rubber vibration dampers to riduce the propagation of vibrations during speed modulating phases optional The blades are made with thermoplastic material model 10 out 21 All the fans the motor are single phase 3 phase for the 50 60 models and are protected with a thermal cutout All are equipped with low noise 6 pols motors 900 rpm with external rotor type to ensure maximum energy effici...

Page 4: ...Expansion vessel fan housing 7 Water tank fan housing 8 R407C safety valve 9 4 way valve MCA H 10 Thermostatic valve 11 Automatic filling device 12 Water safety valve 13 Liquid receiver 14 Pump 15 Compressor 16 Refrigerant filter 17 Low pressure switch and charge port 18 High pressure switch and charge port 3 COMPONENTS LAY OUT 3 5 7 6 2 9 18 15 16 17 14 4 10 12 11 13 1 8 1 2 3 14 15 5 6 7 4 12 5 ...

Page 5: ... A 0 A 1 0 1 S 0 S 0 0 D 0 0 C S 0 E P S 0 0 S M M 0 M 3 0 2 3 0 0 R C B G 0 G Standard Cataphoresis Blygold Cond evap finned coil protection grille Not present Present Not present Remote control Special heat exchanger features Copper copper heat exchanger Connection to nets ergo RS 485 Gauges With microprocessor Accessories of the water circuit Nobody Remote control board Heat recover Simplified ...

Page 6: ... 5 7 5 9 0 10 7 12 9 16 8 19 0 26 0 34 0 Maximum current absorption A 28 4 12 4 14 4 16 1 18 4 21 4 28 0 33 0 37 2 44 0 58 0 Starting absorbed current A 117 4 54 4 69 9 78 4 102 4 134 4 138 0 143 0 183 0 190 0 240 0 n of scroll compressors circuits 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 0 2 0 2 7 3 9 4 9 6 4 7 8 11 0 13 0 16 0 Low high pressure switch bar 1 4 28 1 ...

Page 7: ...17 20 20 25 00 Maximum power input kW 5 6 5 5 6 5 7 5 9 0 10 7 12 9 16 8 19 0 26 0 36 0 Maximum current absorption A 28 4 12 4 14 4 16 1 18 4 21 4 28 0 33 0 37 2 44 0 58 0 Starting absorbed current A 117 4 54 4 69 9 78 4 102 4 134 4 138 0 143 0 183 0 190 0 240 0 n of scroll compressor circuits 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 6 2 6 2 6 3 4 5 3 6 3 7 8 9 5 13 2 18...

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Page 13: ...0 0 31 3 10 5 38 8 10 9 43 6 11 2 47 0 11 4 35 40 23 4 11 0 31 0 11 6 38 1 12 1 42 6 12 4 45 8 12 6 40 45 30 7 12 9 37 5 13 4 41 7 13 8 44 7 14 0 45 50 30 5 14 2 36 9 14 9 40 9 15 3 43 7 15 6 25 30 26 4 10 2 35 6 10 7 44 5 11 2 50 0 11 5 54 0 11 7 30 35 26 2 11 3 35 1 11 8 43 6 12 4 48 9 12 7 52 6 12 9 35 40 26 2 12 4 34 6 13 1 42 7 13 7 47 7 14 1 51 2 14 3 40 45 34 2 14 5 41 8 15 2 46 5 15 6 49 8...

Page 14: ...nstall an inertial storage reservoir between the unit and the user 9 CALCULATION FACTORS 9 1 WATER TEMPERATURE DROP RISE DIFFERENT THAN 5 C Find the performances of the unit as a function of the water outlet temperature and multiply them with the factor reported in the table below DTW CPF PT CPA CQw CDpw1 3 0 975 1 1 63 2 64 4 0 99 1 1 24 1 53 5 1 1 1 1 6 1 015 1 0 85 0 72 7 1 03 1 0 74 0 54 8 1 0...

Page 15: ...Pa Qw l s 0 80 90 100 MCA 16 MCA 21 MCA 12 14 MCA 10 0 0 20 40 60 80 100 120 0 5 Qw l s 1 0 140 1 5 2 0 2 5 3 0 Dpw kPa MCA 25 MCA 30 MCA 37 160 180 3 5 4 0 MCA 50 MCA 60 10 PRESSURE DROP ON WATER SIDE The following diagrams show evaporator pressure drops pw according to water flow rate Qw with average water temperature of 10 C ...

Page 16: ...ure head Pu according to water flow rate Qw with average water temperature of 10 C 1 0 0 10 20 30 40 50 60 70 0 5 1 5 Qw l s 0 80 90 100 Pu kPa 110 120 130 140 150 160 170 180 190 200 MCA 21 MCA 16 MCA 10 MCA 12 14 1 0 0 5 1 5 Qw l s 0 2 0 Pu kPa 2 5 3 0 MCA 37 MCA 25 MCA 30 3 5 4 0 0 10 20 30 40 50 100 110 120 130 170 180 60 70 80 90 140 150 160 190 200 MCA 60 MCA 50 ...

Page 17: ...equipment for maintenance purposes or when the unit is taken out of service at the end of the season A 1 drainage valve is provided on the optional inertial storage reservoir this operation may only be carried out when the unit is disconnected from the power supply Legend GA Vibration damping coupling not supplied DP Differential pressure switch EV Evaporator R407C water exchanger MA Water pressur...

Page 18: ...control card accessory When installing the electrical system you must provide a circuit breaker with a delayed fuse meeting the specifications indicated in the table If you do not use a remote control panel PCDS or PCD you will have to turn the unit on and off by means of a remote ON OFF switch ID MCA 10 M 10 12 14 16 21 25 30 37 50 60 Maximum power input kW 5 6 5 5 6 5 7 5 9 0 10 7 12 9 16 8 19 0...

Page 19: ... IN 1 1 4 female 2 Water OUT 1 1 4 female 3 Safety valve discharge outlet 1 2 4 Water supply 1 2 female 5 Drain manifold 1 2 6 Power supply Φ 28 mm 7 Electric control board 8 Dampers fastening points 1143 5 1121 1128 175 766 175 261 239 96 348 5 443 544 5 630 5 693 243 118 512 551 34 7 7 8 8 8 8 4 3 6 2 1 5 PA BASE VIBRATION DAMPER KIT ...

Page 20: ... 1 1 4 female 2 Water OUT 1 1 4 female 3 Safety valve discharge outlet 1 2 4 Water supply 1 2 female 5 Drain manifold 1 2 6 Power supply Φ 28 mm 7 Electric control board 8 Dampers fastening points 184 5 273 146 5 96 311 425 550 590 5 414 118 1423 5 1401 1228 210 5 975 210 5 562 601 34 8 8 8 8 7 7 4 1 2 6 3 5 PA BASE VIBRATION DAMPER KIT ...

Page 21: ... 498 602 593 128 1012 1050 7 7 8 8 8 8 3 6 2 4 1 5 14 OVERALL DIMENSIONS MCA 25 30 37 Legend 1 Water IN 1 1 4 female 2 Water OUT 1 1 4 female 3 Safety valve discharge outlet 1 2 4 Water supply 1 2 female 5 Drain manifold 1 2 6 Power supply Φ 28 mm 7 Electric control board 8 Dampers fastening points PA BASE VIBRATION DAMPER KIT ...

Page 22: ... 2 female 2 Water OUT 2 female 3 Safety valve discharge outlet 1 2 4 Water supply 1 2 female 5 Drain manifold 1 2 6 Power supply Φ 37 mm 7 Electric control board 8 Dampers fastening points 1989 1966 1589 1483 312 694 312 1164 225 519 554 5 880 5 998 5 1198 5 1361 5 1202 258 166 8 644 8 8 7 8 8 3 1 4 6 2 7 8 PA BASE VIBRATION DAMPER KIT ...

Page 23: ...nance purposes it is necessary to comply with the minimum installation clearance requirements shown in figures 1 and 2 Verify that there are no obstacoles in front of the fans air outlet Avoid any and all situations of backflow of hot air between air outlet and inlet of the unit If even only one of the above conditions is not fulfilled please contact the manufacturer to check for feasibility 2 MCA...

Page 24: ...40010 Bentivoglio BO Via Romagnoli 12 a Tel 051 8908111 Fax 051 8908122 www galletti it ...

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