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Model

PERCENTAGE OF WEIGHT DISTRIBUTION SUPPORTS (%)

1

2

3

4

5

6

7

8

9

10

11

12

AVX

%

%

%

%

%

%

%

%

%

%

%

%

NRL 2800 °/L

00

7,4%

13,4%

7,6%

13,8%

4,6%

8,3%

4,6%

8,3%

6,3%

11,4%

5,1%

9,2%

785

NRL 2800 °/L

01

10,4%

11,8%

10,7%

12,1%

3,6%

4,0%

8,5%

9,6%

8,9%

10,1%

4,8%

5,4%

786

NRL 2800 °/L

02

10,5%

11,7%

10,8%

12,0%

3,5%

3,9%

8,7%

9,7%

9,0%

10,1%

4,8%

5,3%

786

NRL 2800 °/L

03

10,5%

11,8%

10,7%

12,0%

3,5%

4,0%

8,6%

9,7%

9,0%

10,1%

4,8%

5,4%

786

NRL 2800 °/L

04

10,6%

11,7%

10,9%

11,9%

3,5%

3,8%

8,8%

9,7%

9,1%

10,0%

4,7%

5,2%

786

NRL 2800 °/L

P1

7,6%

12,0%

9,0%

14,2%

4,4%

6,9%

5,0%

8,0%

7,6%

12,0%

5,1%

8,1%

787

NRL 2800 °/L

P2

7,6%

11,8%

9,3%

14,3%

4,4%

6,7%

5,1%

7,9%

7,8%

12,1%

5,1%

7,9%

787

NRL 2800 °/L

P3

7,6%

11,9%

9,2%

14,3%

4,4%

6,8%

5,1%

7,9%

7,7%

12,0%

5,1%

8,0%

787

NRL 2800 °/L

P4

7,7%

11,6%

9,5%

14,4%

4,3%

6,5%

5,2%

7,8%

8,0%

12,1%

5,1%

7,7%

787

NRL 3000 °/L 

00

7,0%

12,9%

8,1%

14,8%

4,0%

7,4%

4,7%

8,6%

6,7%

12,3%

4,8%

8,7%

791

NRL 3000 °/L 

01

10,0%

11,5%

11,0%

12,7%

3,1%

3,6%

8,5%

9,8%

9,3%

10,7%

4,5%

5,2%

792

NRL 3000 °/L 

02

10,2%

11,5%

11,2%

12,6%

3,0%

3,4%

8,7%

9,8%

9,4%

10,6%

4,5%

5,0%

792

NRL 3000 °/L 

03

10,0%

11,5%

11,0%

12,7%

3,1%

3,6%

8,5%

9,8%

9,3%

10,7%

4,5%

5,2%

792

NRL 3000 °/L 

04

10,2%

11,5%

11,2%

12,6%

3,0%

3,4%

8,7%

9,8%

9,4%

10,6%

4,5%

5,0%

792

NRL 3000 °/L 

P1

7,3%

11,5%

9,6%

15,1%

3,8%

6,1%

5,2%

8,2%

8,1%

12,8%

4,8%

7,6%

793

NRL 3000 °/L 

P2

7,3%

11,2%

10,0%

15,2%

3,8%

5,8%

5,3%

8,1%

8,5%

12,9%

4,8%

7,3%

793

NRL 3000 °/L 

P3

7,3%

11,5%

9,6%

15,1%

3,8%

6,1%

5,2%

8,2%

8,1%

12,8%

4,8%

7,6%

793

NRL 3000 °/L 

P4

7,3%

11,2%

9,9%

15,2%

3,8%

5,8%

5,3%

8,1%

8,4%

12,9%

4,8%

7,4%

793

NRL 3300 °/L 

00

6,6%

12,2%

8,2%

15,2%

4,1%

7,6%

4,5%

8,3%

7,0%

13,0%

4,7%

8,7%

791

NRL 3300 °/L 

01

9,3%

11,3%

10,9%

13,2%

3,3%

4,0%

7,9%

9,6%

9,4%

11,3%

4,5%

5,4%

792

NRL 3300 °/L 

02

9,5%

11,2%

11,1%

13,1%

3,2%

3,8%

8,1%

9,6%

9,5%

11,2%

4,5%

5,3%

792

NRL 3300 °/L 

03

9,4%

11,2%

11,0%

13,1%

3,3%

3,9%

8,0%

9,6%

9,4%

11,3%

4,5%

5,4%

792

NRL 3300 °/L 

04

9,6%

11,2%

11,2%

13,0%

3,2%

3,7%

8,3%

9,6%

9,6%

11,1%

4,4%

5,1%

792

NRL 3300 °/L 

P1

6,8%

11,1%

9,5%

15,5%

3,9%

6,4%

4,9%

7,9%

8,2%

13,4%

4,7%

7,7%

793

NRL 3300 °/L 

P2

6,9%

10,8%

9,9%

15,5%

3,9%

6,1%

5,0%

7,9%

8,6%

13,4%

4,7%

7,4%

793

NRL 3300 °/L 

P3

6,8%

11,0%

9,7%

15,5%

3,9%

6,3%

4,9%

7,9%

8,4%

13,4%

4,7%

7,6%

793

NRL 3300 °/L 

P4

6,9%

10,6%

10,1%

15,6%

3,8%

5,9%

5,1%

7,8%

8,7%

13,5%

4,7%

7,3%

793

NRL 3600 °/L 

00

6,6%

12,1%

8,4%

15,2%

4,0%

7,3%

4,6%

8,4%

7,2%

13,1%

4,7%

8,5% 791

NRL 3600 °/L 

01

9,3%

11,2%

11,0%

13,2%

3,2%

3,9%

8,0%

9,6%

9,5%

11,4%

4,5%

5,4% 792

NRL 3600 °/L 

02

9,4%

11,1%

11,1%

13,1%

3,2%

3,7%

8,2%

9,6%

9,6%

11,3%

4,4%

5,2% 792

NRL 3600 °/L 

03

9,3%

11,2%

11,1%

13,2%

3,2%

3,8%

8,1%

9,6%

9,5%

11,3%

4,4%

5,3% 792

NRL 3600 °/L 

04

9,6%

11,1%

11,2%

13,0%

3,1%

3,6%

8,3%

9,7%

9,7%

11,2%

4,4%

5,1% 792

NRL 3600 °/L 

P1

6,8%

11,0%

9,7%

15,5%

3,9%

6,2%

5,0%

8,0%

8,4%

13,4%

4,7%

7,5% 793

NRL 3600 °/L 

P2

6,9%

10,7%

10,0%

15,5%

3,8%

5,9%

5,1%

8,0%

8,7%

13,5%

4,7%

7,3% 793

NRL 3600 °/L 

P3

6,9%

10,9%

9,8%

15,5%

3,8%

6,1%

5,1%

8,0%

8,5%

13,4%

4,7%

7,4% 793

NRL 3600 °/L 

P4

6,9%

10,5%

10,2%

15,6%

3,8%

5,8%

5,2%

7,9%

8,8%

13,5%

4,7%

7,2% 793

1

2

7

8

G

Gx

Gy

4

3

5

6

9

10

11

12

13

14

15

16

37

 INRLPY. 02.10 4086916_01

Содержание NRL

Страница 1: ...INRLPY 02 10 4086916_01 NRL COMPACT L COMPACT LOW NOISE H STANDARD COMPACT HEAT PUMP HL SILENCED COMPACT HEAT PUMP EN CHILLERS Technical manual installation maintenance...

Страница 2: ......

Страница 3: ...tudies and has been made of the highest grade materials and with cutting edge technology In addition all our products bear the EC mark indicating that they meet the require ments of the European Machi...

Страница 4: ...e system 24 13 Capacity controls 25 14 Glycol 26 14 1 How to read the glycol curves 26 15 Desuperheater 27 15 1 Pressure drops 27 16 Total recovery 28 16 1 Pressure drop 28 17 Measurements of the chil...

Страница 5: ...4276 Round welding free copper pipes for air conditioning and cooling Pressure equipment for refrigerating systems and heat pumps thus meeting the essential requisites of the following directives LV D...

Страница 6: ...all the complementary documentation to the system user who shall be responsible for keeping the instructions so that they are always available when needed Read carefully this chapter all the procedure...

Страница 7: ...splay 2 1 VERSIONS AVAILABLE COOLING ONLY L maximum outside temperature allowed 42 C processed water temperature 18 C HEAT PUMP H HL in cooling mode the operating limits arrive at a maximum external a...

Страница 8: ...ith thermomagnetic switches 15 16 Accumulation 00 Without water accumulator 01 Low head water accumulator and single pump 02 Low head water accumulator and reserve pump 03 High head water accumulator...

Страница 9: ...closes when the compressor turns off preventing the flow of refrigerant gas towards the evaporator Bypass solenoid valve only for heat pumps To bypass the thermostat controlled valve during the defro...

Страница 10: ...ls Calibrated at 45 bar on the HP branch Calibrated at 30 bar on the BP branch only for heat pumps Evaporator antifreeze heating element Its operation is commanded by the antifreeze probe located in t...

Страница 11: ...Protect the external coils from accidental knocks 260x2 260 350 350x2 350x2 L H 260x2 260 350 350x2 350x2 HI PGS Card to be inserted in the electronic card of the unit Allows you to programme two time...

Страница 12: ...switch on and off and command two chillers using Aermec GR3 command in a single system as if they were a single unit L H HI MULTICHILLER Control system to switch the individual chillers on and off an...

Страница 13: ...rgy indices EER W W 2 38 2 33 2 35 2 40 L 1 92 1 90 1 90 1 89 ESEER W W 3 76 3 68 3 72 3 79 L 3 65 3 61 3 62 3 59 ELECTRICAL DATA Fuel feed A 400V 3 50Hz L Input current A 498 572 610 638 L 538 616 65...

Страница 14: ...HIGH HEAD CIRCULATION PUMP Input power KW 17 2 17 2 24 7 24 7 L 17 2 17 2 24 7 24 7 Input current A 29 2 29 2 42 4 42 4 L 29 2 29 2 42 4 42 4 Useful head kPa 246 220 246 237 L 279 258 271 267 SOUND DA...

Страница 15: ...05 3 03 3 02 3 03 HL ELECTRICAL DATA Fuel feed A H 400V 3 50Hz HL Input current on cooling A H 482 551 592 618 HL 521 594 641 673 Input current on heating A H 454 522 558 579 HL Maximum current A H 5...

Страница 16: ...d on cooling kPa H 149 142 122 115 HL 167 157 145 141 Useful head on heating kPa H 104 104 88 77 HL 1 Sound power Aermec determines the sound power value on the basis of measurements taken in accordan...

Страница 17: ...432 Energy indices EER W W 2 39 2 36 2 36 2 42 L 1 93 1 92 1 92 1 90 ELECTRICAL DATA Fuel feed A 400V 3 50Hz L Input current A 516 594 632 662 L 558 638 680 722 Maximum current A 580 638 716 782 L Pea...

Страница 18: ...hort time in order to bring the system up to right temperature To reduce the time of this operation a three way valve allowing to by pass the water from the supply to the system should be fitted until...

Страница 19: ...obtain the corrective factors of the cooling and absorbed power To take into account the exchanger soiling apply the relative fouling factors Tab 9 4 1 0 6 0 7 0 8 0 9 1 1 1 1 2 1 3 1 4 4 6 2 0 2 4 6...

Страница 20: ...ection coefficient of the input power Ct correction coefficient of the heating capacity 10 3 FOR t DIFFERENT FROM THE RATED VALUE For t different than 5 C to the water consumption the Tab 10 4 1 is us...

Страница 21: ...he average water temperature varies The chiller consists of two hydraulic circuits per module The pressure drops indicated in the graphics are relative to a single circuit SINCE THE HYDRAULIC PARALLEL...

Страница 22: ...re drops when the average water temperature varies The chiller consists of two hydraulic circuits per module The pressure drops indicated in the graphics are relative to a single circuit since the hyd...

Страница 23: ...TION H HL 0 50 100 150 200 250 0 20000 40000 60000 80000 100000 120000 140000 160000 180000 200000 2800 3000 3300 3600 kPa Water flow rate l h USEFUL HEADS LOW PREVALENCE HEAT PUMP ON COOLING OPERATIO...

Страница 24: ...in the table referred to the operating conditions an additional scaled expansion tank must be installed using the usual criteria with respect to the additional water volume From tables 12 3 it is poss...

Страница 25: ...3 4 5 6 7 8 9 10 11 12 NRL 280 12 24 36 48 57 66 75 83 92 100 NRL 300 9 18 27 36 45 53 61 69 77 85 93 100 NRL 330 9 18 27 36 45 53 61 69 77 85 93 100 NRL 360 9 18 27 36 45 53 61 69 77 85 93 100 Input...

Страница 26: ...ises the percentage of glycol necessary on the basis of the outside air temperature considered If you want to calculate the percentage of glycol on the basis of the temperature of the processed water...

Страница 27: ...eristics of the desuperheaters and the pressure drop curves are shown below For processed water temperatures different from 50 C the result obtained is multiplied by the correction factor that can be...

Страница 28: ...1 0 1 1 1 2 6 7 8 9 10 11 12 13 14 15 16 17 18 0 0 20 0 40 0 60 0 80 0 100 0 120 0 140 0 160 0 180 0 200 0 0 50000 100000 150000 200000 250000 300000 350000 400000 Portata acqua l h Perdita di carico...

Страница 29: ...7 67 35 42 868 1237 NRL 3600C 0 10 67 67 42 42 1237 1237 10 20 67 67 42 42 1237 1237 20 30 67 67 42 42 1237 1237 Key C1 Chiller circuit 1 C2 Chiller circuit 2 C3 Chiller circuit 3 C4 Chiller circuit 4...

Страница 30: ...5 93 5 91 9 85 0 83 0 76 5 70 0 3000 93 5 61 5 75 5 103 5 93 0 90 5 87 0 84 0 73 7 67 0 3300 95 0 63 0 77 0 105 0 95 0 92 0 88 0 85 0 80 0 75 0 3600 95 1 63 1 77 1 105 5 94 5 91 0 89 0 85 0 79 0 74 0...

Страница 31: ...ans H HL 9A 9A 9A 9A NUMBER OF FANS No fans L 4 4 4 4 No fans H HL 4 4 4 4 NRL 3300 3600 COMPRESSOR THERMOMAGNETIC SWITCHES 400V CIRCUIT 1 CIRCUIT 2 CIRCUIT 1 CIRCUIT 2 MTC1 51A 51A 62A 62A mtc1a 51A...

Страница 32: ...ion elements between them and the machine It is absolutely forbidden to stand beneath the unit Take into account that when the chiller is working vibrations may be generated it is therefore advisable...

Страница 33: ...nections IN 2 OUT 2 20 2 DIMENSIONAL TABLES NRL 2800 3000 3300 3600 STANDARD MODEL POSITION 2800 L 369 3000 L 369 3300 L 568 3600 L 568 2800 H HL 568 3000 H HL 568 3300 H HL 568 3600 H HL 568 NOTE The...

Страница 34: ...T 4 IN 4 OUT 4 IN 4 2450 8100 2200 Position AVX EVAPORATOR water connections DESUPERHEATER water connections IN 2 OUT 2 NRL 2800 3000 3300 3600 HYDRAULIC CONNECTIONS PUMP UNIT 34 INRLPY 02 10 4086916_...

Страница 35: ...8100 2200 OUT 4 IN 4 OUT 4 IN 4 NRL 2800 3000 3300 3600 HYDRAULIC CONNECTIONS HYDRONIC UNIT IN 2 OUT 2 Position AVX EVAPORATOR water connections DESUPERHEATER water connections 35 INRLPY 02 10 408691...

Страница 36: ...220 NRL 3000 L P3 3962 828 6380 3966 853 6600 220 NRL 3000 L P4 3964 843 6490 3967 867 6710 220 NRL 3300 L 00 3977 767 6220 3979 770 6270 50 NRL 3300 L 01 3916 863 6930 3826 1009 8440 1510 NRL 3300 L...

Страница 37: ...3 8 6 1 5 2 8 2 8 1 12 8 4 8 7 6 793 NRL 3000 L P4 7 3 11 2 9 9 15 2 3 8 5 8 5 3 8 1 8 4 12 9 4 8 7 4 793 NRL 3300 L 00 6 6 12 2 8 2 15 2 4 1 7 6 4 5 8 3 7 0 13 0 4 7 8 7 791 NRL 3300 L 01 9 3 11 3 10...

Страница 38: ...7000 3987 868 7230 230 NRL 3000 L H P3 3983 828 6850 3986 851 7080 230 NRL 3000 L H P4 3984 841 6960 3987 864 7190 230 NRL 3300 L H 00 3996 767 6660 3998 771 6720 60 NRL 3300 L H 01 3937 857 7370 3848...

Страница 39: ...3 7 0 11 2 9 7 15 3 3 9 6 1 5 1 8 1 8 3 13 1 4 7 7 5 793 NRL 3000 L H P4 7 1 10 9 9 9 15 4 3 8 5 9 5 2 8 0 8 5 13 2 4 7 7 3 793 NRL 3300 L H 00 6 6 12 2 8 2 15 2 4 1 7 6 4 5 8 3 7 0 13 0 4 7 8 7 791 N...

Страница 40: ...r NRL 2250 model with pumping unit it is recommended the installation to the delivery of the module 1250 of a capacity balance valve to balance the capacities between the two evaporators module 1000 a...

Страница 41: ...uit KEY 1 Evaporators plate type exchangers 2 Expansion tank 3 Flow switch 4 Pumps 5 Filter NB In addition to the filter victaulic and welded pipes are provided The drawings are only examples of the m...

Страница 42: ...Circuit 2 1 1 2 2 3 3 4 4 5 5 The drawings are only examples of the machine hydraulic circuit CHILLER HYDRAULIC CIRCUIT DRAIN TAP VERSIONS WITH ACCUMULATOR fig 2 NB for all sizes with the pre install...

Страница 43: ...ction of the phases WARNING It is forbidden to use water pipes for the earthing of the machine 23 1 RECOMMENDED SECTION OF ELECTRIC CABLES The cable sections indicated in the table are advised for a m...

Страница 44: ...ure explanations are part of the GR3 control boards For installation requirements refer to the wiring diagram supplied with the unit The wiring diagram together with the manuals must be kept in good c...

Страница 45: ...to start the machine fig 4 when the access LED appears the unit is ready for the operation 24 3 SEASON CHANGEOVER For each seasonal change check that the operation conditions return to the limit Check...

Страница 46: ...rate is not sufficient This alarm sets the block of the compressor and the pump WARNING Inspection maintenance and possible repair operations must be carried out only by an authorised technician accor...

Страница 47: ...in liquid phase Different operating conditions from the normal can result in different values Leak testing or leaking research must be carried out only by using refrigerant gas R410A by checking with...

Страница 48: ...serves the right to make all the modifications considered necessary for improving the product at any time 37040 Bevilacqua VR Italy Via Roma 996 Tel 39 0442 633111 Telefax 39 0442 93730 39 0442 93566...

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