AERMEC NLC 0280H Installation Manual Download Page 36

Page: 36 / 60

22.05 – 4037365_03

11 WEIGHTS

Size

0280

0300

0330

0350

0550

0600

0650

0675

0750

0800

0900

1000

1100

1250

INTEGRATED HYDRONIC KIT: 00

Weights

Empty weight

lbs

1,737

1,845

1,896

1,911

3,069

3,369

3,492

3,598

5,465

5,666

5,983

6,281

6,517

6,724

Weight functioning

lbs

1,750

1,863

1,911

1,929

3,097

3,400

3,527

3,631

5,518

5,719

6,041

6,343

6,583

6,792

INTEGRATED HYDRONIC KIT: 01, 03

Weights

Empty weight

lbs

2,447

2,551

2,599

2,617

3,668

3,968

4,114

4,217

6,246

6,435

6,753

7,050

7,357

7,564

Weight functioning

lbs

3,170

3,278

3,327

3,347

4,841

5,143

5,293

5,397

7,449

7,639

7,961

8,263

8,574

8,783

INTEGRATED HYDRONIC KIT: 02, 04

Weights

Empty weight

lbs

2,542

2,646

2,694

2,714

3,765

4,065

4,231

4,336

6,365

6,552

6,892

7,189

7,566

7,776

Weight functioning

lbs

3,265

3,373

3,422

3,444

4,938

5,240

5,410

5,514

7,568

7,756

8,100

8,402

8,785

8,995

INTEGRATED HYDRONIC KIT: P1, P3

Weights

Empty weight

lbs

2,037

2,141

2,189

2,209

3,179

3,479

3,622

3,728

5,595

5,796

6,133

6,431

6,740

6,947

Weight functioning

lbs

2,094

2,202

2,251

2,271

3,243

3,545

3,695

3,799

5,686

5,886

6,228

6,530

6,843

7,053

INTEGRATED HYDRONIC KIT: P2, P4

Weights

Empty weight

lbs

2,132

2,235

2,286

2,306

3,276

3,576

3,741

3,845

5,714

5,913

6,272

6,570

6,949

7,158

Weight functioning

lbs

2,189

2,297

2,346

2,368

3,340

3,644

3,812

3,918

5,805

6,003

6,367

6,669

7,055

7,262

Summary of Contents for NLC 0280H

Page 1: ...o n o f O r i g i n a l i n s t r u c t i o n s w w w a e r m e c c o m Installation Manual REVERSIBLE AIR WATER HEAT PUMP C o o l i n g c a p a c i t y 1 4 1 8 4 5 t o n H e a t i n g c a p a c i t y 1 6 3 8 7 5 9 7 3 9 5 5 B T U h NLC 0280H 1250H ...

Page 2: ......

Page 3: ...nt to present the product and help you select the unit that best meets the needs of your system However please note that for a more accurate selection you can also use the Magellano selection program available on our website Aermec Aermec always attentive to the continuous changes in the market and its regulations reserves the right to make all the changes deemed necessary for improving the produc...

Page 4: ...hout the EU To prevent possible harm to the envi ronment or human health from uncontrolled disposal of Waste Electrical and Electronic Equipment WEEE please return the device using appropriate collection systems or contact the retailer where the product was purchased Please contact your local authority for further details Illegal dumping of the product by the user entails the application of admini...

Page 5: ...tribution and centres of gravity during operation p 34 Antivibration p 35 11 Weights p 36 12 Dimensional tables p 37 0280 0300 0330 0350 00 p 37 0550 0600 0650 0675 00 p 38 0550 0600 0650 0675 P1 P2 P3 P4 p 39 0550 0600 0650 0675 01 02 03 04 p 40 0750 0800 0900 1000 1100 1250 00 p 41 13 Hydraulic connections p 42 0280 0300 0330 0350 00 p 42 Components supplied for sizes 0550 0600 0650 0675 00 P1 P...

Page 6: ...6 22 05 4037365_03 23 Accessories p 58 Factory fitted accessories p 58 Accessories compatibility p 58 ...

Page 7: ...ec shall not be held liable for the failure to observe the safety and accident prevention regulations in force Personal protective equipment PPE 1 Operations Handling Installation and or maintenance Welding or brazing Safety gloves helmet goggles safety footwear protective garments Earmuffs 1 It is recommended to follow the instructions in EN 378 3 Observe the laws in force in the country of unit ...

Page 8: ...res on elec trical equipment and for lubricant oil of the compressor and the refrigerant The unit contains pressurised refrigerant gas no operation may be performed on pressurised equipment except during maintenance which must be per formed by skilled and qualified personnel Perform brazing or welding only on empty pipes and clear of any lubricating oil residues do not near flames or other heat so...

Page 9: ... poses a serious risk The combined effects of the salt loaded mist and in dustrial emissions accelerate corrosion Within the manufacturing plants corrosive gas may result from the processing of chemicals or by the typical industrial processes used in manufacturing Potential sources of risk to be considered are open sewage systems exhaust vents diesel engine exhaust emissions from heavy traffic lan...

Page 10: ...tilation Don t place or storage the refrigerating system in confined spaces Avoid traps where gases may fall and stagnate Avoid open flames and ignition sources near the refrigerant system INSTALLATION REQUIREMENTS In particular the unit is intended to be connected to a hydronic system that must be designed to be classified according to EN 378 1 as an indirect ventilated system ref EN 378 1 2016 p...

Page 11: ...icularly windy locations the provision of wind barriers may be necessary to avoid malfunctions It should be installed if wind speed is above 4 9 knot POWER SUPPLY 460V 575V Operating range at the maximum outside air temperature in cooling mode 0280 0300 0330 0550 0600 0650 0750 0800 0900 1000 1100 1250 Key A External air temperature F B Water produced temperature F B A F F 0 0 14 0 114 8 40 0 60 0...

Page 12: ...ey A External air temperature F B Water produced temperature F B A F F 0 0 14 0 114 8 40 0 60 0 80 0 100 0 105 5 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 0300 0330 0650 1100 1250 Key A External air temperature F B Water produced temperature F B A F F 0 0 14 0 107 5 40 0 60 0 80 0 100 0 98 2 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 ...

Page 13: ...7 40 0 60 0 80 0 100 0 96 4 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 Operating heating mode range 0280 0300 0330 0350 0550 0600 0750 0800 0900 1000 Key A Water produced temperature F B External air temperature F F F 0 0 20 0 40 0 60 0 77 0 95 0 120 0 131 0 140 0 0 0 5 0 20 0 40 0 32 0 60 0 80 0 100 0 107 6 120 0 B A ...

Page 14: ...0 0 0 5 0 20 0 42 8 32 0 60 0 80 0 100 0 107 6 120 0 B A POWER SUPPLY 230V Operating range at the maximum outside air temperature in cooling mode 0280 0300 0330 0550 0600 0650 0750 0800 0900 1000 1100 Key A External air temperature F B Water produced temperature F B A F F 0 0 14 0 114 8 40 0 60 0 80 0 100 0 105 5 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 ...

Page 15: ...produced temperature F B A F F 0 0 14 0 113 0 40 0 60 0 80 0 100 0 103 7 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 0350 Key A External air temperature F B Water produced temperature F B A F F 0 0 14 0 111 2 40 0 60 0 80 0 100 0 101 9 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 ...

Page 16: ...l air temperature F B Water produced temperature F B A F F 0 0 14 0 114 8 40 0 60 0 80 0 100 0 105 5 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 0300 0330 0600 0650 0900 1000 1100 Key A External air temperature F B Water produced temperature F B A F F 0 0 14 0 107 5 40 0 60 0 80 0 100 0 98 2 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 ...

Page 17: ...ter produced temperature F B A F F 0 0 14 0 105 7 40 0 60 0 80 0 100 0 96 4 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 0350 Key A External air temperature F B Water produced temperature F B A F F 0 0 14 0 40 0 60 0 80 0 103 9 94 6 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 ...

Page 18: ...ure F B External air temperature F F F 0 0 20 0 40 0 60 0 77 0 95 0 120 0 131 0 140 0 0 0 5 0 20 0 40 0 32 0 60 0 80 0 100 0 107 6 120 0 B A 0650 0675 1100 1250 Key A Water produced temperature F B External air temperature F F F 0 0 20 0 40 0 60 0 77 0 95 0 122 0 127 4 140 0 0 0 5 0 20 0 42 8 32 0 60 0 80 0 100 0 107 6 120 0 B A ...

Page 19: ... 0750 0800 0900 1000 Key A External air temperature F B Water produced temperature F B A F F 0 0 14 0 114 8 40 0 60 0 80 0 100 0 105 5 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 0350 Key A External air temperature F B Water produced temperature F B A F F 0 0 14 0 111 2 40 0 60 0 80 0 100 0 101 9 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 ...

Page 20: ... produced temperature F B A F F 0 0 14 0 107 6 40 0 60 0 80 0 100 0 98 3 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 0675 1250 Key A External air temperature F B Water produced temperature F B A F F 0 0 14 0 40 0 60 0 80 0 104 0 94 7 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 ...

Page 21: ...ternal air temperature F B Water produced temperature F B A F F 0 0 14 0 114 8 40 0 60 0 80 0 100 0 105 5 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 0300 0330 0600 0900 1000 Key A External air temperature F B Water produced temperature F B A F F 0 0 14 0 107 5 40 0 60 0 80 0 100 0 98 2 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 ...

Page 22: ...r produced temperature F B A F F 0 0 14 0 40 0 60 0 80 0 103 9 94 6 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 0650 1100 Key A External air temperature F B Water produced temperature F B A F F 0 0 14 0 40 0 60 0 80 0 100 3 91 0 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 ...

Page 23: ...0 0 60 0 80 0 96 7 87 4 120 0 30 0 39 2 50 0 60 0 70 0 44 0 64 4 Operating heating mode range 0280 0300 0330 0350 0550 0600 0750 0800 0900 1000 Key A Water produced temperature F B External air temperature F F F 0 0 20 0 40 0 60 0 77 0 95 0 120 0 131 0 140 0 0 0 5 0 20 0 40 0 32 0 60 0 80 0 100 0 107 6 120 0 B A ...

Page 24: ...2 05 4037365_03 0650 0675 1100 1250 Key A Water produced temperature F B External air temperature F F F 0 0 20 0 40 0 60 0 77 0 95 0 122 0 127 4 140 0 0 0 5 0 20 0 42 8 32 0 60 0 80 0 100 0 107 6 120 0 B A ...

Page 25: ...c thermostatic expansion valve 20 Plate heat exchanger 1 2 3 4 5 5 6 7 8 3 9 10 11 12 13 14 15 16 17 12 12 12 13 15 16 18 19 20 Heating mode range 1 Fan Plug fan 2 Liquid separator 3 Pressure relief valve 4 Low pressure transducer 5 Compressor 6 Discharge temperature sensor 7 High pressure switch 8 High pressure transducer 9 Reversing valve 10 Finned coil 11 Isolation valve 12 One way valve 13 Fil...

Page 26: ...3 4 4 5 5 6 6 6 7 7 8 8 2 2 2 2 3 6 7 20 9 9 10 10 11 12 12 14 14 13 13 11 11 11 9 9 15 15 16 16 17 17 18 18 19 7 20 Heating mode range 1 Fan Plug fan 2 One way valve 3 Filter drier 4 Solenoid valve 5 Liquid receiver with indicator light 6 Sight glass 7 Solenoid by pass valve 8 Mechanic thermostatic valve 9 Pressure relief valve 10 Low pressure transducer 11 Compressor 12 Discharge temperature sen...

Page 27: ...ate 3 Packaging label When the unit is positioned make sure that the rating plate is well visible as the information provided on it is essential for correct maintenance PACKAGING HANDLING AND REMOVAL Before carrying out the packaging removal or transport operations put on personal protective equipment and use devices and instruments suitable for the dimensions and weigh of the equipment All handli...

Page 28: ...rely technical requirements as well as any local laws in force For unit installation it is important to perform the following preliminary prepara tion tasks The following must be avoided Locations with aggressive atmospheres Areas in which the unit s noise level could be amplified due to reverberations or resonance POSITIONING The units must They must be installed in an area that cannot be accesse...

Page 29: ...pplied from the fan to the in stantaneous drop of pressure in the tube When the machine is started for the first time the installer should set from the control panel the number of revs of the fan capable of providing head equal to the total pressure drops of the piping The number of fan revs is generally less than the maximum number of revs the fan is capable of 0 10 The number of revs is set indi...

Page 30: ...30 22 05 4037365_03 WARNING The weight of the piping must not be borne by the appliance Example of ductwork ...

Page 31: ... must have space to allow all routine and extraordinary maintenance to be performed C1 C2 B1 B2 A1 Size 0280 0300 0330 0350 0550 0600 0650 0675 0750 0800 0900 1000 1100 1250 Minimumtechnicalspaces A1 A in 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 B1 A in 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 39 4 B2 A in 19 7 19 7 19 7 19 7 19 7 19 7 19 7 19 7...

Page 32: ... POSITION OF THE VIBRATION DAMPERS X Y G 1 2 3 4 1 2 3 4 XG Y G 1 2 3 4 5 6 XG Y G 1 2 3 4 XG Y G 1 2 3 4 5 6 XG Y G NLC 0280 0350 HA NLC 0550 0675 HA Vers 00 Vers P1 P4 Vers 00 P1 P4 Vers 01 04 Vers 01 04 Top view Top view ...

Page 33: ... Centreofgravity empty X A in 70 2 68 3 67 6 67 3 71 3 68 1 67 6 66 3 133 9 132 8 134 0 129 8 130 2 128 7 Y A in 18 8 18 5 18 7 18 7 21 5 21 1 20 9 20 8 22 1 22 5 22 2 21 9 21 7 21 6 Weightdistributionin onthesupports empty 1 A 19 20 20 20 20 21 21 22 12 13 12 13 13 13 2 A 14 15 15 15 21 23 23 24 12 12 11 13 13 13 3 A 13 13 13 13 28 27 27 26 12 12 11 11 10 10 4 A 10 10 10 10 29 28 28 28 11 11 10 1...

Page 34: ...280 0300 0330 0350 0550 0600 0650 0675 0750 0800 0900 1000 1100 1250 INTEGRATED HYDRONIC KIT 00 Centreofgravity duringoperation X A in 33 6 33 1 33 0 33 0 55 0 52 7 52 4 51 3 116 8 116 2 118 0 114 1 114 0 112 9 Y A in 16 2 15 8 16 3 16 2 20 9 20 4 20 3 20 2 21 6 22 0 21 8 21 6 21 3 21 2 Weightdistributionin onthesupports duringoperation 1 A 27 27 27 27 28 28 28 29 13 14 13 14 14 14 2 A 25 26 26 26...

Page 35: ...3 121 0 Y A in 17 0 16 7 17 0 17 0 20 9 20 5 20 3 20 2 21 6 22 0 21 8 21 5 21 3 21 2 Weightdistributionin onthesupports duringoperation 1 A 29 29 30 30 26 26 26 27 13 13 12 14 13 14 2 A 26 27 27 27 28 29 30 30 13 13 12 14 14 14 3 A 24 23 23 23 23 21 21 20 11 11 10 10 9 9 4 A 21 21 21 21 24 23 24 23 11 11 10 10 9 9 5 A 15 15 17 16 16 16 6 A 15 14 16 16 16 16 7 A 12 12 11 11 12 11 8 A 12 11 11 11 12...

Page 36: ... 639 7 961 8 263 8 574 8 783 INTEGRATED HYDRONIC KIT 02 04 Weights Emptyweight A lbs 2 542 2 646 2 694 2 714 3 765 4 065 4 231 4 336 6 365 6 552 6 892 7 189 7 566 7 776 Weightfunctioning A lbs 3 265 3 373 3 422 3 444 4 938 5 240 5 410 5 514 7 568 7 756 8 100 8 402 8 785 8 995 INTEGRATED HYDRONIC KIT P1 P3 Weights Emptyweight A lbs 2 037 2 141 2 189 2 209 3 179 3 479 3 622 3 728 5 595 5 796 6 133 6...

Page 37: ...rge 11 9 3 0 10 1 1 2 29 6 11 8 2 0 1 6 2 0 2 0 11 8 1 6 4 9 40 2 43 3 A B C Size 0280 0300 0330 0350 INTEGRATED HYDRONIC KIT 00 01 02 03 04 P1 P2 P3 P4 Dimensionsandweightsfortransport A A in Contactthe factory Contactthe factory Contactthe factory Contactthe factory B A in Contactthe factory Contactthe factory Contactthe factory Contactthe factory C A in Contactthe factory Contactthe factory Con...

Page 38: ... 3 Power supply 86 6 29 6 11 9 2 0 44 2 43 3 26 7 30 2 30 0 26 7 26 7 26 7 A B C Size 0550 0600 0650 0675 INTEGRATED HYDRONIC KIT 00 01 02 03 04 P1 P2 P3 P4 Dimensionsandweightsfortransport A A in 93 4 93 4 93 4 93 4 B A in 62 2 62 2 62 2 62 2 C A in 137 6 137 6 137 6 137 6 For the sizes shown in the table the transportation dimensions refer to the acces sory CRATE 22 ...

Page 39: ... 15 8 15 8 124 1 44 2 43 3 92 6 0 7 43 3 Power supply A B C Size 0550 0600 0650 0675 INTEGRATED HYDRONIC KIT 00 01 02 03 04 P1 P2 P3 P4 Dimensionsandweightsfortransport A A in 93 4 93 4 93 4 93 4 B A in 62 2 62 2 62 2 62 2 C A in 137 6 137 6 137 6 137 6 For the sizes shown in the table the transportation dimensions refer to the acces sory CRATE 22 ...

Page 40: ...6 1 6 3 5 3 4 26 7 26 7 26 7 26 7 42 8 1 9 1 9 6 8 26 7 26 7 6 8 124 1 1 9 1 9 26 7 26 7 3 4 A B C Size 0550 0600 0650 0675 INTEGRATED HYDRONIC KIT 00 01 02 03 04 P1 P2 P3 P4 Dimensionsandweightsfortransport A A in 93 4 93 4 93 4 93 4 B A in 62 2 62 2 62 2 62 2 C A in 137 6 137 6 137 6 137 6 For the sizes shown in the table the transportation dimensions refer to the acces sory CRATE 22 ...

Page 41: ... 2 31 5 92 6 15 8 3 5 2 0 11 9 71 9 1 9 1 9 1 9 1 9 A B C Size 0750 0800 0900 1000 1100 1250 INTEGRATED HYDRONIC KIT 00 01 02 03 04 P1 P2 P3 P4 Dimensionsandweightsfortransport A A in Contactthe factory Contactthe factory Contactthe factory Contactthe factory Contactthe factory Contactthe factory B A in Contactthe factory Contactthe factory Contactthe factory Contactthe factory Contactthe factory ...

Page 42: ...ved joints Ø 2 Desuperheater grooved joints Ø 1 1 2 COMPONENTS SUPPLIED FOR SIZES 0550 0600 0650 0675 00 P1 P2 P3 P4 01 02 03 04 Ø 76 1 mm Ø 2 1 2 EU Ø 76 1 mm Ø 2 1 2 EU Ø 73 mm Ø 2 1 2 US Ø 73 mm Ø 2 1 2 US 3 9 0 6 0 6 0 3 0 1 0 1 0 3 Grooved joint EU Grooved joint US Grooved nipple US Reduction adapter EU US ...

Page 43: ...9 8 6 5 14 9 Evaporator grooved joints Ø 2 1 2 EU Pump grooved joints Ø 2 1 2 EU Desuperheater grooved joints Ø 1 1 2 0550 0600 0650 0675 01 02 03 04 5 6 11 9 3 1 5 6 2 0 11 9 85 7 71 9 9 5 24 1 49 8 6 5 2 0 Evaporator grooved joints Ø 2 1 2 EU Storage tank grooved joints Ø 2 1 2 EU Desuperheater grooved joints Ø 1 1 2 0750 0800 0900 1000 1100 1250 00 5 6 6 5 49 8 24 1 9 5 3 1 5 6 Evaporator groov...

Page 44: ...e online at www aermec com It is important to follow the recommendations not complete below The water pipes must not transmit radial or axial forces or vibrations to the ex changers use flexible hoses to reduce the transmitted vibrations It is necessary to install manual or automatic vent valves in the highest points of the circuit and also provide discharge fittings in the lowest points to allow ...

Page 45: ...inimum temperature provided for a given installation Take the necessary precautions if using non passivated anti freeze solu tions monoethylene glycol or monopropylene glycol Corrosion phenom ena may occur with these anti freeze solutions in contact with oxygen However always refer to the glycol supplier documentation to check its recom mended concentration IT IS FORBIDDEN to insert glycol in the ...

Page 46: ...the winter period for heat pumps MAXIMUM SYSTEM WATER CONTENT Units with the hydronic kit mounted come standard with the expansion vessel set at 21 8 psi and the pressure relief valve The maximum system water content depends on the capacity of the expansion vessel and on the calibration of the pressure relief valve Size 0280 0300 0330 0350 0550 0600 0650 0675 0750 0800 0900 1000 1100 1250 INTEGRAT...

Page 47: ... figure according to the formula p rating bar H ft 33 5 1 0 For example if level difference H is equal to 65 6 ft the calibration value of the vessel will be 33 4 psi If the calibration value obtained from the formula is less than 21 8 psi i e for H 40 2 use the standard calibration Key A Expansion vessel 1 Check that highest installation is not higher than 180 4 ft 2 Ensure that lowest utility ca...

Page 48: ...ut off valves 1 2 2 9 9 16 3 5 7 6 8 11 13 15 12 5 10 10 14 4 Water characteristics System Chiller with plate heat exchanger PH 7 5 9 Total hardness 4 5 8 5 dH Temperature 65 C Oxygen content 0 1 ppm Max glycol amount 50 Phosphates PO 2ppm Manganese Mn 0 05 ppm Iron Fe 0 3 ppm Alkalinity HCO 70 300 ppm Chloride ions Cl 50 ppm Sulphate ions SO 50 ppm Sulphide ion S None Ammonium ions NH None Silica...

Page 49: ...4 13 18 12 6 9 8 10 11 8 15 15 16 7 P1 P3 5 P2 P4 17 5 5 Water characteristics System Chiller with plate heat exchanger PH 7 5 9 Total hardness 4 5 8 5 dH Temperature 65 C Oxygen content 0 1 ppm Max glycol amount 50 Phosphates PO 2ppm Manganese Mn 0 05 ppm Iron Fe 0 3 ppm Alkalinity HCO 70 300 ppm Chloride ions Cl 50 ppm Sulphate ions SO 50 ppm Sulphide ion S None Ammonium ions NH None Silica SiO ...

Page 50: ... P4 9 5 5 Water characteristics System Chiller with plate heat exchanger PH 7 5 9 Total hardness 4 5 8 5 dH Temperature 65 C Oxygen content 0 1 ppm Max glycol amount 50 Phosphates PO 2ppm Manganese Mn 0 05 ppm Iron Fe 0 3 ppm Alkalinity HCO 70 300 ppm Chloride ions Cl 50 ppm Sulphate ions SO 50 ppm Sulphide ion S None Ammonium ions NH None Silica SiO 30 ppm It is of fundamental importance to keep ...

Page 51: ... design electric installations following international regulations and the national regulations of the country in which the unit is installed in compliance with the legislative regulations in force at the moment of installation it is mandatory to check the machine sealing before connecting the electrical wiring The machine must only be powered once the hydraulic and electric op erations are comple...

Page 52: ... for the electric connection and always refer exclusively to the wiring diagram supplied with the unit Remove any protections from the cable fixing points For the functional connection of the unit take the power supply cable to the electric control board inside the unit and connect it to clamps L1 L2 L3 and PE respecting the polarities L1 L2 L3 as phases and PE as grounding Ensure that all protect...

Page 53: ...talled in each inlet heat exchanger Mandatory component for warranty to be valid Check that the circulation pump s are working and that the wa ter flow rate is sufficient to close the flow switch contact if installed We recommend installing one always upstream of every heat exchanger Check the water flow rate measuring the pressure difference between inlet and outlet of the evaporator and calculat...

Page 54: ... stop and take appropriate precautions to prevent their activation before accessing them If the unit has components such as integrated inverters disconnect the power supply and wait at least 15 minutes before accessing it for maintenance opera tions the internal components remain energised for this period generating the risk of electrocution Isolate the unit from the mains by means of the external...

Page 55: ...e compressor inputs and outputs ther mometers connected to thermocouple probes that are fastened to the pipes at the compressor inputs and outputs Do not use metratasts as they require the operator to approach the machine s cooling circuit Turn on the machine and acquire the measurements remaining at a distance and in a position not exposed to the pressurised parts of the cooling circuit As soon a...

Page 56: ...clean the coils refer to the dedicated chapter INTERVENTIONS ON THE CIRCUIT DESCRIPTION FREQUENCY Note 3Mths 6Mths 12Mths INTERVENTIONSONTHECOOLINGCIRCUITOPERATINGWITHFULLLOAD Measurementoftheoverheatingtemperature Measurementoftheundercoolingtemperature Measurementoftheexhaustgastemperature Measurementoffaninput Measurementofcompressorinput COMPRESSORCONTROLS Oillevelcontrol Oilaciditycontrol Con...

Page 57: ... 3 60Hz with magnet circuit breakers 7 460V 3 60Hz with magnet circuit breakers 8 575V 3 60Hz with magnet circuit breakers 9 208V 3 60Hz with magnet circuit breakers 15 16 Integrated hydronic kit 00 Without hydronic kit Kitwithstoragetankandpump s 01 Storage tank with low head pump 02 Storage tank with low head pump stand by pump 03 Storage tank with high head pump 04 Storage tank with high head p...

Page 58: ...el Ver 0280 0300 0330 0350 0550 0600 0650 0675 0750 0800 0900 1000 1100 1250 AER485P1 A AERBACP A AERNET A FL UL 1 A MULTICHILLER_EVO A PGD1 A 1 Compliant with UL regulation Special crate for transport Ver 0280 0300 0330 0350 0550 0600 0650 0675 0750 0800 0900 1000 1100 1250 Integratedhydronickit 00 P1 P2 P3 P4 A CRATE22 CRATE22 CRATE22 CRATE22 The accessory cannot be fitted on the configurations ...

Page 59: ...background indicates the accessory must be assembled in the factory Ver 0675 0750 0800 0900 1000 1100 1250 A RIF 1 RIF 1 RIF 1 RIF 1 RIF 1 RIF 1 RIF 1 1 Contact the factory A grey background indicates the accessory must be assembled in the factory Electric heater kit for the base Ver 0280 0300 0330 0350 0550 0600 0650 0675 0750 0800 0900 1000 1100 1250 Powersupply 6 A KRB31 KRB31 KRB31 KRB31 KRB32...

Page 60: ... e v i l a c q u a V R I t a l y P h o n e 3 9 0 4 4 2 6 3 3 1 1 1 F a x 3 9 0 4 4 2 9 3 5 7 7 s a l e s a e r m e c c o m w w w a e r m e c c o m 2 2 0 5 4 0 3 7 3 6 5 _ 0 3 4037365_03 DOWNLOAD THE LATEST VERSION http www aermec com qrcode asp q 4775 ...

Search results

Summary of Contents for NLC 0280H

Reviews:

Related manuals for NLC 0280H

Brands by name

Popular brands

AERMEC NLC 0280H, Installation Manual

Search results

Summary of Contents for NLC 0280H

Reviews:

Related manuals for NLC 0280H

Brands by name

Popular brands