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FOR THE INSTALLER

17. SELECTION AND PLACE OF

INSTALLATION

Before installing the unit, decide with
the customer the position in which it will
be placed, pay attention to the follow-
ing points:

−

the support surface must be able to

withstand the weight of the unit;

−

The NXW series are for indoor use

(protection grade IP40) and must
be installed leaving the necessary
technical spaces (see "Minimum
technical spaces"). Observance of
these spaces is to be considered
indispensable in order to allow
normal and extraordinary mainte-
nance operations.

−

The unit must be installed by a

qualified technician in accordance
with the national laws in force in the
country of installation.

18. POSITIONING

The machine is delivered from the fac-

tory wrapped in estincoil.
Before moving the unit, check the lifting
capacity of the machines used.
Once the packaging has been re-
moved, the unit must be handled by
qualified personnel with the suitable
equipment. To transport the machine
use either a forklift or lifting belts (see
figure)

−

The holes in the base to be used for

lifting are indicated with yellow ad-
hesives showing a black arrow. The
blades (not included) which are
adequately scaled must protrude
from the base unit for a sufficient
length so that the lifting straps can
be tautened upwards without them
encountering any interference.

−

Make sure that the straps have

been approved to support the
weight of the unit, be careful that
they a properly fixed to the upper
frame and to the lifting blades, the
safety closure must ensure that the

straps do not work loose of their
housing. The hooking point of the
lifting frame must be on the vertical
of the centre of gravity (see trans-
port figure).

−

In order to avoid damaging the unit

with the cables, insert protection
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
to install anti-vibration supports
(AVX accessories), fitting them to
the holes in the base according to
the assembly diagram.

−

Fasten the unit by checking careful-

ly that its on the same level; check
that easy access to the hydraulic
and electric part is allowed.

18.1. MINIMUM TECHNICAL SPACES (mm)

ATTENZION

Use all of the available holes for lifting
The blades not included

1000 mm

1000 mm

1000 mm

1000 mm

fig.1

34

INXWPY. 1004. 4438805_00

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Содержание NXW 0500

Страница 1: ...CHILLERS Technical manual installation maintenance NXW INXWPY 1004 4438805_00 EN LLERS Technical manual installation mainte enance ...

Страница 2: ......

Страница 3: ... design studies 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 Machine Directive regarding safety The quality level is be ing constantly monitored so AERMEC products are synonymous with Safety Quality and Reliability The data may undergo modifications conside...

Страница 4: ...content of system water for units without hydronic kit 27 11 2 Recommended maximum water content 27 11 3 Expansion tank calibration 27 12 Glycol 28 12 1 How to read the glycol curves 28 13 Cooling lines 29 14 Sound data 30 14 1 Sound levels of standard nxw version 30 14 2 Sound levels of standard silenced version l 30 15 Safety and check parameter setting 31 16 Capacity control 32 17 Selection and...

Страница 5: ... 14276 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 LVD Directive 2006 95 EC Electromagnetic Compatibility Directive 2004 108 EC Machine Directive 2006 42 EC PED Directive relating to pressure equipment 97 23 EC In compliance with Directive 97 23 EC the ...

Страница 6: ...ve are not observed 1 2 SAFETY PRECAUTIONS AND INSTALLATION the chiller must be installed by an authorised and qualified techni cian in compliance with the national legislation in force in the country of destination MD 329 2004 AERMEC shall not be held respon sible for any damage whatsoever resulting from the non compliance with these instructions Before starting any work it is nec essary TO READ ...

Страница 7: ... evaporator output water down to 8 3 2 AVAILABLE VERSIONS Standard Silenced L Reduced sound emission thanks to total compressor casing of the machine with galvanised sheet metal panels of a suitable thick ness and with good sound ab sorbing capacity Heat recovery units Without recovery units Desuperheater D They are equipped with a partial plate heat recovery unit installed in series with the cond...

Страница 8: ...with thermomagnetic switches 4 230V 3 50Hz with thermomagnetic switches 5 500V 3 50Hz with thermomagnetic switches 14 Evaporator side pumps without pumping assembly M low head pump N low head pump and reserve pump O high head pump P high head pump and reserve pump 15 Condenser side pumps without pumping assembly U low head pump V low head pump and reserve pump W high head pump Z high head pump and...

Страница 9: ...damage to the plate heat exchanger NB The filter protects only the exchang ers in case of particularly dirty water we recommend an external filter to protect the pumps Drain valve versions with water accumulator or pump Of the automatic type assembled on the upper part of the hydraulic system it releases any air bubbles that may be present in the system Expansion tank 25 litres standard in the ver...

Страница 10: ...f and provide maximum output power in those conditions Self adapting operating differen tial Switching Histeresys to ensure correct compressor operation at all times even in plants with a low wa ter content or insufficient flow rates This system reduces the compressor wear The PDC Pull Down Control sys tem to prevent the activation of the power steps when the water temperature is approaching the s...

Страница 11: ...achine up to 50 meters with tele phone cable AWG24 for distances of over 50 metres ensure that the 2nd extension card is powered by a voltage between 21 and 30 V dc 5 2 ELECTRICAL ACCESSORIES RIF Current phase advancer Parallel connection with the motor makes the reduction of input current possible It can only be installed when the machine is being made and must therefore be specified when the ord...

Страница 12: ... 315 315 317 L 1 PUMP 321 321 311 311 651 651 652 653 654 659 659 L 2 PUMPS 311 311 31 311 651 651 652 653 654 659 659 L 3 PUMPS 311 311 312 312 651 651 652 653 654 659 659 L 4 PUMPS 312 312 312 310 651 651 652 653 654 659 659 HL 309 309 310 303 304 314 314 315 317 317 318 H L 1 PUMP 311 311 311 311 651 652 665 653 659 659 659 H L 2 PUMPS 311 311 312 313 651 652 665 653 659 659 659 HL 3 PUMPS 312 ...

Страница 13: ...31 248 Starting current A 240 245 227 238 289 319 341 398 422 490 504 CHARGE Refrigerant R410A C1 C2 L kg 6 0 6 0 6 0 6 0 7 8 7 8 7 8 7 8 9 0 9 0 10 0 10 0 12 0 12 0 16 0 16 0 24 0 24 0 25 0 25 0 27 0 27 0 Oil Circuit C1 C2 dm3 6 6 3 6 6 6 3 6 6 6 6 6 6 6 6 6 7 2 7 2 13 4 7 2 13 4 13 4 13 4 13 4 13 4 13 4 13 9 13 9 13 9 13 9 COMPRESSOR SCROLL No of compressors circuits L no no 3 2 4 2 EVAPORATOR p...

Страница 14: ...uantity n 1 1 1 1 1 1 1 1 1 1 1 SOUND DATA Sound power 1 dB A 78 79 79 80 82 86 88 88 88 90 90 Sound pressure 2 46 47 47 48 50 54 56 56 56 58 58 Sound power 1 L dB A 72 73 73 74 76 80 82 82 82 84 84 Sound pressure 2 40 41 41 42 44 48 50 50 50 52 52 DIMENSIONS Height mm 1835 1835 1835 1835 1835 1775 1775 1820 1820 1820 1820 Width mm 800 800 800 800 800 800 800 800 800 800 800 Depth mm 1790 1790 179...

Страница 15: ...t R410A C1 C2 H L kg 6 5 6 5 6 5 6 5 8 5 8 5 8 5 8 5 10 0 10 0 11 0 11 0 13 0 13 0 18 0 18 0 27 0 27 0 27 0 27 0 29 0 29 0 Oil Circuit C1 C2 dm3 6 6 3 6 6 6 3 6 6 6 6 6 6 6 6 6 7 2 7 2 13 4 7 2 13 4 13 4 13 4 13 4 13 4 13 4 13 9 13 9 13 9 13 9 COMPRESSOR SCROLL No of compressors circuits H L no no 3 2 4 2 EVAPORATOR plates Quantity H L no 1 Water content L 9 5 9 5 12 3 12 3 14 8 16 7 16 7 30 2 45 ...

Страница 16: ...5 1 5 1 5 1 5 1 5 Quantity n 1 1 1 1 1 1 1 1 1 1 1 SOUND DATA Sound power 1 H dB A 78 79 79 80 82 86 88 88 88 90 90 Sound pressure 2 46 47 47 48 50 54 56 56 56 58 58 Sound power 1 H L dB A 72 73 73 74 76 80 82 82 82 84 84 Sound pressure 2 40 41 41 42 44 48 50 50 50 52 52 DIMENSIONS Height H mm 1835 1835 1835 1835 1835 1775 1775 1820 1820 1820 1820 Width mm 800 800 800 800 800 800 800 800 800 800 8...

Страница 17: ...taulic water connections diam 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 3 3 3 SOUND DATA Sound power 1 dB A 78 79 79 80 82 86 88 88 88 90 90 Sound pressure 2 46 47 47 48 50 54 56 56 56 58 58 Sound power 1 L dB A 72 73 73 74 76 80 82 82 82 84 84 Sound pressure 2 40 41 41 42 44 48 50 50 50 52 52 DIMENSIONS Height mm 1835 1835 1835 1835 1835 1775 1775 1775 1820 1820 1820 Width mm 800 800 800 80...

Страница 18: ...The diagram for the operating limits is relative to aIl Δt on the evaporator and on the condenser of 5 C Inlet Δtc Output condenser min 5 max 15 Inlet Δte output difference Evaporator min 3 max 10 7 2 OPERATING LIMIT VERSION E CONDENSERLESS Reference should be made to the diagram below for the operating limits see table 7 1 1 with standard mechanical thermostatic valve up to 4 C Y Low water temper...

Страница 19: ...or multiply the values in the per formance table by the reported coefficients 19 INXWPY 1004 4438805_00 Evaporator processed water temperature Δt 5 C HEATING CAPACITY Evaporator processed water temperature Δt 5 C ABSORBED POWER HEATING 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Ct 25 30 35 40 45 50 55 fig 8 1 1 Ca 0 6 0 7 0 8 0 9 1 0 1 1 ...

Страница 20: ...e values in the per formance table by the reported coefficients 20 INXWPY 1004 4438805_00 Evaporator processed water temperature Δt 5 C INPUT POWER IN COOLING MODE Evaporator processed water temperature Δt 5 C COOLING CAPACITY 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 25 30 35 40 45 50 55 Ca fig 8 4 1 Cf 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1...

Страница 21: ...ormance table by the reported coefficients 21 INXWPY 1004 4438805_00 COOLING CAPACITY Evaporator processed water temperature Δt 5 C Evaporator processed water temperature Δt 5 C Cf 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 30 35 40 45 45 55 58 Ca 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12...

Страница 22: ...ressure drops in the charts refer to an average water temperature of 10 C The table 8 13 1 shows the cor rections to apply to the pressure drops with a variation in average water temperature Portata d acqua l h 0 10 20 0 2000 4000 6000 8000 10000 12000 14000 16000 18000 20000 0500 0550 0600 0650 0700 0750 0800 0900 1000 1250 1400 Perdite di carico kPa Average water temperature C 5 10 15 20 30 40 5...

Страница 23: ...the performance table by the reported coefficients 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 25 30 35 40 45 50 55 Cr fig 8 14 1 C a 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 25 30 35 40 45 50 55 8 15 1 CORRECTION FACTORS FOR T DIFFERENT FROM THE CHILLER RATED VALUE 8 16 1 FOULING FACTO...

Страница 24: ...the pressure drops when the average water temperature varies 9 2 CONDENSER IN COOLING OPERATION The pressure drops in the dia gram refer to the average water temperature of 30 C the following table shows the correction to be applied to the pressure drops when the average water temperature varies Pressure drops kPa Water flow rate l h CONDENSER PRESSURE DROPS VERSION H EVAPORATOR VERSION H 0 10 20 ...

Страница 25: ... 0 5 5 0 0 50 100 150 200 250 300 350 0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 7 0 0 5 0 0 5 5 0 6 0 0 900 750 800 1000 1250 1400 6 5 0 EVAPORATOR USEFUL HEAD HIGH HEAD VERSION USEFUL HEAD kPa USEFUL HEAD kPa WATER FLOW RATE l h WATER FLOW RATE l h CONDENSER USEFUL HEAD HIGH HEAD VERSION H EVAPORATOR VERSION H 25 INXWPY 1004 4438805_00 ...

Страница 26: ... 1400 0 50 100 150 200 250 0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 6 0 0 6 5 0 5 0 0 5 5 0 7 0 0 750 8 0 0 900 1000 1250 1400 USEFUL HEAD kPa USEFUL HEAD kPa WATER FLOW RATE l h WATER FLOW RATE l h CONDENSER USEFUL HEAD LOW HEAD VERSION H EVAPORATOR VERSION H EVAPORATOR USEFUL HEAD LOW HEAD VERSION 26 INXWPY 1004 4438805_00 ...

Страница 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 the calibration value obtained from thecalculation is less than 1 5 bar i e for H 12 25 keep standard calibration 1 Minimum water content 2 Minimum water content in the case of process applications or applications with low load t di progetto minore ...

Страница 28: ... advises the percentage of glycol necessary on the basis of the outside air tem perature considered If you want to calculate the percentage of glycol on the basis of the temperature of the processed water you must enter from the right hand axis and once you have intersected the curve trace a vertical line which in turn will intercept all the other curves the points obtained from the upper curves r...

Страница 29: ... 35 28 28 640 640 20 30 35 35 28 28 640 640 NXW0900E 0 10 28 35 28 35 920 640 10 20 35 35 28 35 950 640 20 30 35 35 28 35 950 640 NXW1000E 0 10 35 35 35 35 950 950 10 20 35 35 35 35 950 950 20 30 35 35 35 35 950 950 NXW1250E 0 10 35 42 35 35 950 990 10 20 35 42 35 35 950 990 20 30 35 42 35 35 950 990 NXW1400E 0 10 42 42 35 35 990 990 10 20 42 42 35 35 990 990 20 30 42 42 35 35 990 990 Key C1 Cooli...

Страница 30: ...0 86 54 69 57 1 65 1 79 5 83 5 79 1 72 3 60 2 0800 88 56 71 59 7 67 6 81 5 85 5 80 4 74 0 62 2 0900 88 56 71 59 7 67 6 81 5 85 5 80 4 74 0 62 2 1000 88 56 71 59 7 67 6 81 5 85 5 80 4 74 0 62 2 1250 90 58 73 61 7 69 6 83 5 87 5 82 4 76 0 64 2 1400 90 58 73 61 7 69 6 83 5 87 5 82 4 76 0 64 2 NXW L Power dB A Pressure dB A Sound power by central band frequency dB A 10m 1m 125 250 500 1000 2000 4000 8...

Страница 31: ...53 57 57 MTC2 CP2 CP2A A 43 43 53 43 53 53 57 53 57 57 MAIN SWITCH without pumps 500 550 600 650 700 750 IG A 80 100 100 125 160 160 MAIN SWITCH without pumps 800 900 1000 1250 1400 IG A 200 200 250 250 250 MAIN SWITCH with pumps 500 550 600 650 700 750 IG A 100 100 125 125 160 160 MAIN SWITCH with pumps 800 900 1000 1250 1400 IG A 200 200 250 250 250 TRANSDUCERS AND PRESSURE SWITCHES manual reset...

Страница 32: ...78 100 NXW1250 28 53 78 100 NXW1400 28 53 78 100 Input power Levels of power Versions 1 2 3 4 NXW0500 33 49 100 NXW0550 30 64 100 NXW0600 22 47 72 100 NXW0650 22 47 72 100 NXW0700 22 47 72 100 NXW0750 22 47 72 100 NXW0800 22 47 72 100 NXW0900 22 47 72 100 NXW1000 22 47 72 100 NXW1250 22 47 72 100 NXW1400 22 47 72 100 Performance values refer to the following conditions Evaporator inlet water tempe...

Страница 33: ...27 52 77 100 Input power Levels of power Versions 1 2 3 4 NXW0500 33 49 100 NXW0550 30 64 100 NXW0600 22 47 72 100 NXW0650 22 47 72 100 NXW0700 22 47 72 100 NXW0750 22 47 72 100 NXW0800 22 47 72 100 NXW0900 22 47 72 100 NXW1000 22 47 72 100 NXW1250 22 47 72 100 NXW1400 22 47 72 100 Performance values refer to the following conditions Evaporator inlet water temperature 5 C condenser inlet water tem...

Страница 34: ...es showing a black arrow The blades not included which are adequately scaled must protrude from the base unit for a sufficient length so that the lifting straps can be tautened upwards without them encountering any interference Make sure that the straps have been approved to support the weight of the unit be careful that they a properly fixed to the upper frame and to the lifting blades the safety...

Страница 35: ...0600 0650 0700 A 300 300 300 300 300 B 300 300 300 300 300 C 1190 1190 1190 1190 1190 D 35 35 35 35 35 E 70 70 70 70 70 A B C E D 1 8 Uscita evaporatore Uscita condensatore Ingresso condensatore Ingresso evaporatore N A B C G H L I Model U M 0500 0550 0600 0650 0700 EVAPORATOR PLATES Hydraulic connection Victaulic IN OUT Ø 2 1 2 2 1 2 2 1 2 2 1 2 2 1 2 CONDENSER PLATES Hydraulic connection Victaul...

Страница 36: ...9 H 1125 1125 1125 I 343 343 358 L 225 225 225 216 216 216 M 1165 1165 1165 1165 N 300 300 300 300 300 300 O 175 175 175 175 AVX Model 0750 0800 0900 1000 1250 1400 A 300 300 300 300 300 300 B 300 300 300 300 300 300 C 1190 1190 1454 1464 1464 1464 D 35 35 35 35 35 35 E 70 70 70 70 70 70 Model U M 0750 0800 0900 1000 1250 1400 EVAPORATOR PLATES Hydraulic connection Victaulic IN OUT Ø 2 1 2 2 1 2 2...

Страница 37: ...25 225 225 225 225 225 225 216 216 216 M 1494 1494 1494 1494 1494 1494 1494 1494 N 300 300 300 300 300 300 300 300 300 300 300 O 175 175 175 175 175 175 175 175 175 175 175 P 838 838 838 838 838 838 858 858 706 706 706 Q 264 264 264 264 264 264 260 260 288 288 288 O 175 AVX Model 0500 0550 0600 0650 0700 0750 0800 0900 1000 1250 1400 A 390 390 390 390 390 390 600 600 600 600 600 B 932 932 932 932 ...

Страница 38: ...0 1600 1600 C 1790 2054 2054 2054 2054 2054 E 1885 1885 1885 1885 1885 1885 N 300 300 300 300 300 300 O 175 175 175 175 175 175 POSITION Model 0500 0550 0600 0650 0700 B 980 980 980 980 980 C 1790 1790 1790 1790 1790 E 1885 1885 1885 1885 1885 N 300 300 300 300 300 B N C E 38 INXWPY 1004 4438805_00 ...

Страница 39: ...al filter to protect the pumps Compulsory hydraulic circuit com pnents in case of an NXW provided without the hydronic kit evaporator side condenser side At the inlet or each plate heat exchang er the installation of a flow switch not included is compulsory at the penalty of invalidating the warranty Installation of the mechanical filter is compulsory at the inlet of each plate heat ex changer at ...

Страница 40: ...25 27 23 25 301 NXW0650 1 pump 796 408 965 31 33 17 18 309 NXW0650 2 pumps 847 406 1027 31 31 19 19 NXW0650 3 pumps 897 403 1082 30 30 20 20 NXW0650 4 pumps 948 401 1189 28 28 22 22 310 NXW0700 727 417 915 24 26 24 26 301 NXW0700 1 pump 833 411 1043 30 32 19 20 309 NXW0700 2 pumps 883 408 1097 29 30 20 21 NXW0700 3 pumps 934 405 1146 28 29 21 22 NXW0700 4 pumps 984 403 1190 28 28 22 22 310 NXW0750...

Страница 41: ...644 419 1481 27 30 21 23 NXW1000 3 pumps 1730 416 1535 26 29 22 23 NXW1000 4 pumps 1765 415 1555 26 28 22 24 NXW1250 1461 426 1304 22 25 25 29 316 NXW1250 1 pump 1602 421 1414 28 31 20 22 654 NXW1250 2 pumps 1688 418 1472 27 30 21 23 NXW1250 3 pumps 1774 415 1525 27 29 22 23 NXW1250 4 pumps 1809 414 1546 26 28 22 24 NXW1400 1539 425 1326 21 24 26 29 315 NXW1400 1 pump 1680 420 1429 28 30 20 22 654...

Страница 42: ...7 910 25 26 24 25 301 NXW0650H H 1 pump 848 401 970 32 32 18 18 309 NXW0650H H 2 pumps 899 399 1028 31 31 19 19 NXW0650H H 3 pumps 950 397 1080 30 30 20 20 311 NXW0650H H 4 pumps 1000 396 1127 29 29 21 21 312 NXW0700H H 791 406 932 24 25 25 26 302 NXW0700H H 1 pump 896 401 1048 31 31 19 19 309 NXW0700H H 2 pumps 947 399 1099 30 30 20 20 311 NXW0700H H 3 pumps 997 397 1145 29 29 21 21 312 NXW0700H ...

Страница 43: ...8 29 22 22 NXW1000H H 3 pumps 1857 405 1539 27 28 22 23 NXW1000H H 4 pumps 1892 404 1558 27 27 23 23 NXW1250H H 1577 414 1322 22 23 26 28 315 NXW1250H H 1 pump 1718 410 1423 28 30 20 21 654 NXW1250H H 2 pumps 1803 408 1477 28 29 21 22 NXW1250H H 3 pumps 1889 406 1527 27 28 22 23 NXW1250H H 4 pumps 1924 405 1546 27 28 22 23 NXW1400H H 1657 413 1342 22 23 27 29 317 NXW1400H H 1 pump 1797 409 1437 28...

Страница 44: ...3 405 887 26 26 24 24 303 NXW0650L 1 pump 1048 397 935 33 32 17 17 311 NXW0650L 2 pumps 1098 396 984 32 31 18 18 NXW0650L 3 pumps 1149 394 1029 31 31 19 19 312 NXW0650L 4 pumps 1200 393 1197 28 27 23 22 310 NXW0700L 900 407 901 25 26 24 25 303 NXW0700L 1 pump 1084 400 1085 30 30 20 20 651 NXW0700L 2 pumps 1135 398 1126 29 29 21 21 NXW0700L 3 pumps 1186 396 1164 29 28 22 21 NXW0700L 4 pumps 1236 39...

Страница 45: ... 29 22 23 NXW1000L 3 pumps 2019 409 1556 27 28 22 23 NXW1000L 4 pumps 2054 408 1573 26 27 23 24 NXW1250L 1659 419 1296 22 24 26 28 315 NXW1250L 1 pump 1891 412 1455 28 29 21 22 659 NXW1250L 2 pumps 1977 410 1503 27 29 22 23 NXW1250L 3 pumps 2063 408 1547 27 28 22 23 NXW1250L 4 pumps 2098 407 1564 27 27 23 23 NXW1400L 1737 418 1316 22 24 26 28 317 NXW1400L 1 pump 1969 411 1466 28 29 21 22 659 NXW14...

Страница 46: ...915 399 897 26 26 24 24 303 NXW0650HL H 1 pump 1100 393 941 33 32 18 17 311 NXW0650HL H 2 pumps 1151 391 987 32 31 19 18 313 NXW0650HL H 3 pumps 1201 390 1030 32 30 20 19 NXW0650HL H 4 pumps 1252 389 1069 31 29 20 19 NXW0700HL H 963 398 916 25 25 25 25 304 NXW0700HL H 1 pump 1148 393 1088 30 29 21 20 651 NXW0700HL H 2 pumps 1199 392 1126 30 29 21 20 NXW0700HL H 3 pumps 1249 390 1162 29 28 22 21 NX...

Страница 47: ...8 28 22 22 NXW1000HL H 3 pumps 2147 399 1558 27 27 23 23 NXW1000HL H 4 pumps 2182 399 1575 27 27 23 23 NXW1250HL H 1775 408 1313 22 23 27 28 317 NXW1250HL H 1 pump 2007 403 1460 28 29 21 22 659 NXW1250HL H 2 pumps 2093 402 1506 28 28 22 22 NXW1250HL H 3 pumps 2178 400 1548 27 27 23 23 NXW1250HL H 4 pumps 2214 399 1564 27 27 23 23 NXW1400HL H 1855 408 1331 22 23 27 28 318 NXW1400HL H 1 pump 2087 40...

Страница 48: ...d ineffective earthing of the machine For units with Three phase power check the correct connection of the phases WARNING It is forbidden to use water pipes for the earthing of the machine 22 1 RECOMMENDED SECTION OF ELECTRIC CABLES The cable sections indicated in the ta ble are advised for a maximum length of 50 m All electrical operations must be carried out BY QUALIFIED PERSONNEL IN ACCORDANCE ...

Страница 49: ...400V 3 SECT B EARTH 400V 3 IL 400V 3 U M U M U M U M U M MT mm2 mm2 mm2 A NXW 0500 50 16 1 5 16 100 NXW 0550 25 16 100 NXW 0600 25 16 125 NXW 0650 35 16 125 NXW 0700 50 25 160 NXW 0750 50 25 160 NXW 0800 70 35 200 NXW 0900 70 35 200 NXW 1000 95 50 250 NXW 1250 95 50 250 NXW 1400 95 50 250 ELECTRICAL DATA VERSION WITH PUMPING GROUP ALL VERSIONS ...

Страница 50: ...oltage on the electric line you want to use 22 2 1 To access the elec tric box Turn the electrical panel screws in counter clockwise direction Turn the handle of the door block disconnecting switch to OFF see figure In this way the electrical panel can be accessed 22 3 ELECTRICAL POWER CONNECTION For the functional connection of the unit run the power supply cable to the electrical panel inside th...

Страница 51: ...have been properly carried out The voltage is within a tolerance of 10 of the unit rated voltage The earthing has been carried out correctly Tightening of all electrical and hydraulic connections have been well carried out 23 2 FIRST COMMISSIONING OF THE MACHINE Before activating the unit Close the electric panel lid Position the door block disconnecting switch of the machine on ON turning the han...

Страница 52: ...low rate is not sufficient This alarm sets the block of the com pressor and the pump WARNING Inspection maintenance and possible repair opera tions must be carried out only by an authorised technician according to the law Unsuitable check mainte nance operation may cause damage to things and people 25 REGULAR MAINTENANCE Any cleaning operation is forbidden before disconnecting the unit from the po...

Страница 53: ...ase 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 a suitable leak detection It is prohibited to use oxygen or acetylene or other flammable or poisonous gas in the cooling circuit because they can cause explosions or intoxication It is advisable to keep a ma chin...

Страница 54: ...54 INXWPY 1004 4438805_00 ...

Страница 55: ...55 INXWPY 1004 4438805_00 ...

Страница 56: ...eserves 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 www aermec com paper recycled recycled paper Papiere recycle recycled paper ...

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