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1. Tol 79 Jo 610 o 36 B e 79v ul e ab 5 Hs 2 407 gt 1500 3000 1500 N e Position AVX 9 365 1900 1470 1900 365 YA 2 LO A rn EP gt T T T T N S 365 1900 1470 1900 365 34 INRLPY 12 09 4086921 01 DESUPERHEATER water connections NRL 2000 PUMPS 4 NG WA Le 45 AY UE gt EVAPORATOR water connections 25 Position AVX 626 ET j 10 Oy 1 1 2 9 o o o N N g gt E 6 3 x 457 N 48 E S sg cesse T gt o c 1 i 96 WA wi o ey OY 05 09 001 0002 00
2. 4 De ee pee 1 1 1 G G i 41 16 8 10 12 14 16 4 4 i e 4 1 1 r 1 0 t T T 4 Mode 2 8 4 5 6 7 8 a 10 11 12 AVX 2000 00 10 5 7 7 10 7 8 2 8 6 14 6 7 3 124 767 2000 01 14 0 4 4 13 8 4 3 13 2 13 6 8 2 8 5 gt z 768 2000 02 14 1 4 3 13 9 4 2 13 3 13 6 8 2 8 4 768 2000 03 14 1 4 4 13 9 4 2 13 3 13 6 8 2 8 4 768 2000 04 14 2 4 2 14 0 4 0 13 5 13 5 8 2 8 2 5 768 NRL 2000 A E 11 2 6 4 11 7 7 2 9 9 14 5 7 7 1 3 2 769 2000 2 11 3 6 2 11 9 7 0 10 1 14 5 7 8 1 1 z 769 2000 11 3 6 3 11 8 71 10 1 14 5 7 7 1 2 769 2000 4 11 4 6 0 12 0 6 9 10 3 14 5 7 8 1 0 769 NRL 2250 00 9 5 16 0 9 6 16 2 5 5 9 2 8 5 14 3 4 2 7 0 773 NRL 2250 A E 01 2 13 6 2 4 13 1 6 9 7 3 12 5 13 2
3. IN 4 Al Tk OUT 4 2 gt 4 B qi o Ee co e p 2674 1564 3786 1564 111 Position 400 1915 720 1915 _ 800 1915 720 1915 400 LO 2100 50 1915 720 1915 800 1915 726 1915 400 INRLPY 12 09 4086921 01 45 21 46 21 1 E 2000 2250 2500 2800 DISTRIBUTION OF PERCENTAGE WEIGHTS ON SUPPORTINGPOINTS EMPTY RUNNING MODEL CENTRE OF GRAVITY WEIGHT CENTRE OF GRAVITY TOTAL WEIGHT KG kg KG YG kg WATER NRL 2000 A E 00 3132 814 4820 3134 816 4860 40 2000 01 3112 917 5460 3081 1083 6960 1500 2000 02 3109 929 5540 3080 1090 7040 1500 2000 03 3110 926 5520 3080 1088 7020 1500 NRL 2000 A E 04 310 945 5660 3078 1100 7160 1500 NRL 2000 A E 3135 864 5110 3139 892 5320 210 NRL 2000 A E P2 3136 877 5190 3139 904 5400 210 NRL 2000 A E P3 3136 874 5170 3139 901 5380 210 NRL 2000 A E 3137 889 5270 3140 916 5480 210 2250 00 3418 817 5240 3421 819 5280 40 NRL 2250 01 3391 913 5880 3350 1070 7380 1500 2250 02 3388 923 5960 3348 1076 7460 1500 2250 03 3389 921 5940 3348 1075 7440 1500 NRL 2250 04 3384
4. PERCENTAGE OF WEIGHT DISTRIBUTION SUPPORTS 76 Mode 1 2 3 4 5 7 6 9 10 11 12 13 14 Is 16 AVX 76 76 76 76 76 76 NRL 3000 A E 6 8 12 3 8 3 4 9 41 7 3 47 8 4 71 12 7 48 8 5 79 NRL 3000 9 6 11 2 11 1 13 0 3 2 3 8 8 2 9 6 9 4 11 4 5 5 3 2 792 NRL 3000 A E 9 7 11 2 11 2 12 9 3 2 3 6 8 4 9 6 9 6 1 0 4 5 5 2 792 NRL 3000 A E 9 6 11 2 11 1 13 0 3 2 3 8 8 2 9 676 9 476 1 1 4 5 5 3 792 NRL 3000 9 7 11 2 11 2 12 9 3 2 3 6 8 4 9 6 9 6 1 0 4 5 5 2 i x 792 NRL 3000 A E 71 11 1 9 7 5 2 39 61 5 1 8 0 8 3 131 4 8 7 5 793 NRL 3000 A E 7 1 10 8 10 1 15 3 3 8 5 9 5 2 8 0 8 7 13 2 4 8 7 3 2 793 NRL 3000 A E 71 11 176 9 776 5 2 39 61 51 8 0 8 3 131 4 8 7 5 793 NRL 3000 7 1 10 9 10 0 15 3 3 9 59 5 2 8 0 8 6 13 176 4 8 7 3 8 793 3300 00 5 6 9 5 5 6 9 6 5 2 8 8 3 6 61 3 2 5 4 5 8 9 9 41 71 3 9 6 6 798 NRL 3300 01 6 6 7 8 9 7 1 5 4 6 5 4 2 8 3 3 53 6 2 9 376 1 0 3 8 4 5 3 8 4 5 799 NRL 3300
5. 2675 5350 2675 Position AVX 400 1915 720 1915 800 1915 400 50 2100 50 1915 720 1915 PN 1915 1915 m INRLPY 12 09 4086921 01 43 NRL 3300 3600 PUMPS DESUPERHEATER water connections EVAPORATOR water connections IN 4 IN 4 21 SZOUT4 OUT 4 z 411 E a 4 n psi e 65 SIN 112 112 2674 5238 2564 Position AVX 400 1915 1720 1915 1800 1915 1720 1915 1400 499 400 1915 720 1915 800 1915 720 1915 44 INRLPY 12 09 4086921 01 NRL 3300 3600 ACCUMULATOR DESUPERHEATER water connections EVAPORATOR water connections
6. 0 4 6 4 2 4 6 8 10 12 14 15 Evaporation temperature CORRECTIVE COEFFICIENTS OF INPUT POWER VERSION C T I 13 I 0 8 0 7 0 6 6 4 2 o 2 4 5 8 10 12 14 15 Evaporation temperature C INRLPY 12 09 4086921_01 19 10 2 HEATING CAPACITY AND INPUT POWER HEAT PUMP VERSIONS The heating capacity yielded and the input electrical capacity in conditions other than rated conditions are obtained by multiplying the rated values Pa by the respective correction coefficients Ct Ca The diagram allows you to obtain The correction coefficients in line with each curve you will see the hot processed water temperature to which it refers assuming a difference of temperature between the condenser inlet and outlet water equal to 5 C The outputs are intended as net of the defrosting cycles KEY Ca Correction coefficient of ihe input power Ct correction coefficient of the heating capacity 10 3 FOR At DIFFERENT FROM THE RATED VALUE 1 4 CORRECTION COEFFICIENTS OF THE HEATING CAPACITY 1 3 35 C 40 45 50 12 55 14 Ct 0 9 0 8 0 7 06
7. wo 1 ALARM PR ENABLING REMOTE PANEL PR3 To enable the remote panel PR3 act on the key on the small panel of the GR3 on the machine as shown in the figure above when the LED next to the letter R Remote lights up the machine function will be enabled by the remote panel 24 CONTROL AND FIRST START UP 24 1 PREPARATION FOR COMMISSIONING Bear in mind that a free start up service is offered by the Aermec Technical Service for the unit of this series at the request of Aermec customers or legitimate owners and in ITALY only The start up must be previously agreed on the basis of the system implementation times Before the intervention of the AERMEC After Sales Service all the operations electrical and hydraulic hook ups loading and breather from the system must be completed Before starting the unit make sure that All the safety conditions have been respected The unity has been properly fixed to the support base minimum technical spaces have been observed Water connections have been performed respecting the input and output The hydraulic system has been loaded and vented 6 hydraulic circuit taps are open The electrical connections have been properly carried out The voltage is within a tolerance of 10 of the unit nominal voltage The earthing has been carri
8. ATERWIEC E op A 89 5 rr remote panel WARNING The first start up has to be carried out with the standard settings only at last test vary the values of the operation Set Point Before starting power the unit for at least 12 24 hours by positioning the protection thermomagnetic switch and the door block disconnecting switch on ON fig 1 Make sure that the control panel is turned off until it allows the oil heater system the compressor casing INRLPY 12 09 4086921 01 59 25 FUNCTIONING CHARACTERISTICS 25 1 COOLING SET POINT Default defined 7 C At 5 25 2 HEATING SET POINT Default defined 45 At 5 In case of restoring of the unit supplied power after a momentary interruption the pre set mode is maintained in memory 25 3 COMPRESSOR START DELAY To prevent the compressor start too close to each other two functions have been arranged Minimum time from last turn off 60 seconds Minimum time from last start 300 seconds 25 4 CIRCULATION PUMP The electronic board provides an output to manage the circulation pump After the first 10 seconds of the pump operation when the water flow rate is running activate the function of water flow rate alarm flow switch 26 REGULAR MAINTENANCE Any cleaning operation is forbidden befo
9. MULTISGAGLUL croco YA D gt CHILLERS Technical manual installation maintenance NRL AERMEC COMPANY QUALITY SYSTEM 150 9001 2000 Cert n 0128 5 CISQ 5 AERMEC 5 EUROVENT HIGH EFFICIENCY QUIET HIGH EFFICIENCY HIGH EFFICIENCY HEAT PUMP QUIET HIGH EFFICIENCY HEAT PUMP Dear Customer Thank you for choosing AERMEC It is the fruit of many years of experience and special 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 requirements of the European Machine Directive regarding safety The standard of quality is permanently being monitored and AERMEC products are therefore a synonym for Safety Quality and Reliability The data may undergo modifications considered necessary for the improvement of the product at any time and without the obligation for any notice thereof Thank you again AERMEC S p A AERMEC S p A reserves the right at all times to make any modification for the improvement of its product and is not obliged to these modification to machines of previous manufacture that have already been delivered or are being built SUMMARY 10 10 1 10 2 10 3 10 4 1 11 2 12 12 1 General wangsa GAEE 6 Conserving the documeniqltion
10. 40 INRLPY 12 09 4086921 01 NRL 2500 2800 3000 PUMPS DESUPERHEATER water connections 2450 6 29 EVAPORATOR water connections 22 241 5 lz 4 5 Position 365 1560 x 1560 730 1560 1560 365 365 1560 1560 730 1560 1560 365 INRLPY 12 09 4086921 01 41 NRL 2500 2800 3000 ACCUMULATOR DESUPERHEATER water connections 2450 EVAPORATOR water connections T IN 4 T 44 OUT 4 Ai lt A _ LO 909 1925 1540 2310 1540 385 Position 365 1560 1560 730 1560 1560 365 2 5 LO 365 1560 1560 ET 1560 1560 m 42 INRLPY 12 09 4086921 01 NRL 3300 3600 STANDARD DESUPERHEATER water connections EVAPORATOR water connections 568
11. 0 955 28257 7 9 0 3000 88 0 560 70 0 1020 85 0 82 0 79 0 750 660 60 0 3300 9557 550210 6 2750 82310830108 ON ST 3600 91 5 59 5 73 5 103 0 90 5 646 86 0 81 5 720 66 4 sound levels Octave band Hz NRL A Pow Pressure 125 250 500 1000 2000 4000 8000 dB A d SHE Sound power central band frequency dB 2000 91 0 59 0 73 0 00 5 89 5 87 5 85 0 81 5 77 5 69 0 2250A 92 7 60 7 HAT OILS GAS sat 0 30 wey 2500 940 620 76 0 03 0 940 91 0 87 5 840 600 760 2800 O85 zs GOW B2S 480 720 3000A 93 5 61 5 75 5 05 0 93 5 90 0 85 5 82 5 77 5 72 0 3300A 94 5 62 5 76 5 1045 93 5 91 0 89 0 840 78 0 72 0 3600A 96 5 64 5 78 5 06 0 95 0 93 0 91 0 87 0 81 0 76 0 Total sound levels Octave band Hz Pow Pressure 125 250 500 1000 2000 4000 8000 dB A aoe ABCA Sound power by central band frequency dB 2000HA 91 6 59 6 73 6 01 0 90 0 87 8 85 9 82 1 78 1 70 0 2250 93 3 61 3 75 811 SZ 890 02 2500 94 5 62 5 76 5 02 2 965 90 5 88 5 85 2 79 0 682 2800 940 620 760 1040 93 0 89 0 900 820 740 67 0 3000 93 5 61 5 75 5 05 0 92 0 89 0 680 82 0 74 5 68 0 3300 95 0 63 0 Osis 90155
12. 02 6 6 7 7 9 976 1 6 4 5 5 3 2 7 3 2 5 4 6 3 9 5 1 1 3 7 4 3 3 8 4 4 799 NRL 3300 03 6 6 7 7 9 8 1 5 4 5 5 4 2 8 3 3 53 6 3 9 476 1 1 3 8 4 4 3 8 4 4 799 3300 04 6 6 7 6 10 176 11 6 4 5 51 2 7 31 5 5 6 3 9 7 1 1 3 7 4 3 3 7 4 3 799 NRL 3300 5 6 8 6 6 6 0 0 5 5 8 4 3 6 5 5 3 2 5 0 6 7 10 3 4 4 6 8 3 9 5 7 800 NRL 3300 P2 5 6 8 3 6 876 0 1 5 6 8 3 3 6 5 3 3 3 4 8 7 0 10 4 4 5 6 7 3 9 5 8 800 NRL 3300 5 6 8 5 6 7 0 1 5 5 8 4 3 6 5 4 3 2 4 9 6 8 10 4 4 5 6 8 3 9 5 7 800 NRL 3300 5 6 8 2 6 976 0 2 5 6 8 2 3 5 5 2 3 3 4 8 71 10 4 4 6 6 7 3 9 5 7 800 NRL 3600 00 5 6 9 3 5 8 9 7 5 2 8 7 3 6 6 0 3 3 5 5 6 0 100 41 69 39 6 5 798 NRL 3600 01 6 5 7 7 9 8 1 5 4 6 5 4 2 8 3 3 5 3 6 2 9 4 1 1 3 8 4 5 3 8 4 5 799 NRL 3600 02 6 6 7 6 10 076 11 6 4 5 5 2 27 3 2 5 4 6 3 9 676 1 1 3 7 4 3 3 8 4 4 799 3600 03 6 5 7 7 9 9 1 5 4 5 5 3 2 8 3 2 53 6
13. 6 Safety precautions and installation 6 Description and choice of the 7 tt etes 7 Versions 7 Quiet condenser units Cl 7 u 8 ag pah aan aje ena ia pah 9 Frame and Hydraulic components Safety and control components ES Electrical comgpooriernts o 10 AGCOSSOLIOS 11 Starting current reduction in presence of dre 13 Techical 13 Technical data versions a e 13 Technical dale uuu y aa reete 15 Technical data versions 15 Technical Oe eet ade 17 data e saa sana t ia 17 Operating ee qun 18 18 Heating mode 18 Condenser unit operation 18 Correction TACTOMS ee eiue 19 Cooling capacity and input power Heating capacity and input power For At different from the rated value TACTO tenes 20 Press re Crops t ete 21 Total DS
14. CIRCUIT 19 CIRCUIT2 CIRCUIT 1 HIGH PRESSURE SWITCH WITH MANUAL RESET PA bar High pressure transducer TAP bar LOW PRESSURE TRANSDUCER TBP bar CHILLER CIRCUIT SAFETY VALVE AP bar BP bar only in heat pump FAN THERMOMAGNETIC SWITCHES The calibration is carried out on a thermomagneti Fans A E Fans HA HE FANS THERMOMAGNETIC SWITCHES M The calibration is carried out on a thermomagneti Fans A E Fans HA HE NUMBER OF FANS No fans A E No fans HA HE NRL COMPRESSOR THERMOMAGNETIC SWITCHES 400V CIRCUIT 1 3300 CIRCUIT 2 x CIRCUIT 1 CIRCUIT2 HIGH PRESSURE SWITCH WITH MANUAL RESET High pressure transducer 39 TAP bar gt LOW PRESSURE TRANSDUCER TBP bar CHILLER CIRCUIT SAFETY VALVE AP bar BP bar only in heat pump FAN THERMOMAGNETIC SWITCHES The calibration is carried out on q thermomagneti Fans A E Fans HA HE c switch single ventilation line 13A 18A FANS THERMOMAGNETIC SWITCHES M The calibration is carried out on a thermomagneti Fans A E Fans HA HE NUMBER OF FANS No fans A E No fans HA HE 32 INRLPY 12 09 4086921 01 c switch single ventilation line THE INSTALLER 19 SELECTION AND PLACE OF INSTALLATION Before installing the unit decide with the customer the position in which it will
15. 122520 133160 143800 163790 183770 199740 215700 Pressure drop recovery exchanger kPa 73 0 73 0 57 8 58 2 66 9 65 5 67 5 16 1 PRESSURE DROP recovery always have 1 heat 250 recovery unit 2000 15255 The characteristics of the heat 200 3000 3600 recovery units and the pressure drop 2865 Curves shown below the filter 150 leakage is not covered 5100 The pressure drops the diagram 5 refer to the average water 2 50 temperature of 50 The table 16 2 1 shows the correction 9 0 to be applied to the pressure 0 50000 100000 150000 200000 250000 300000 350000 400000 drops when the average water Water flow rate temperature varies 16 1 2 Correction of pressure drop when average water temperature varies Average water temperature 30 40 50 Multiplicational coefficient 1 04 1 02 1 INRLPY 12 09 4086921_01 17 MEASUREMENTS OF THE CHILLERS LINES VERSIONS COOLING LINES Refrigerant Refrigerant R410A per R410A per Model Line length Suction line f mm Liquid line f mm metra of line metre of line m g m g m C1 C3 2 4 C1 C3 2 4 C1 C3 2 4 0 10 54 54 35 35 63 63 NRL 2000 10 20 54 54 35 35 831 831 20 30 54 54 35 35 831 831 0 10 54 54 35 35 831 831 NRL 2250C 10 20 54 54 35 35 831 831 20 30 54 54 35 35 8
16. EcGPf 4 000 FcGPa FcGPf 5 D 15 20 30 35 2 40 48 50 85 air temperature Processed water temperature KEY 141 HOW READ THE GLYCOL FcGP Correc ion actor of the cooling capacity CURVES FcGPa Correc ion factor o he input power FcGDpF a Correction factor of the pressure drops evaporator average temp 3 5 C FCGDpF 0 Correction factor of the pressure drops average temp 0 5 C The curves shown in the figure FCGDpF c Correction factor of the pressure drops average temp 5 5 C summarise a notable quantity of data FCGDpF 9 Correction factor of the pressure drops average temp 9 5 C each of which is represented by a FCGDpF e Correction factor of the pressure drops average temp 47 5 specific curve In order to use these FcGQF Correction factor of the outputs evaporator average temp 9 5 Curves correctly it is necessary to make Correction factor of the outputs condenser average temp 47 5 some initial considerations Ifyou want to calculate the percentage of glycol on the basis of the outside air temperature you must enter from the left hand axis and once you have intersected the curve trace a vertical line which in
17. 12 09 4086921 01 15 a aa Input power 3 7 4 8 Input current 12 4 6 2 8 1 16 2 16 3 16 3 22 0 22 0 E 111 128 128 128 125 106 95 131 150 150 149 141 126 119 Useful cooling Useful head on heating 91 HIGH HEAD CIRCULATION PUMP Input power Input current 11 14 6 Useful head on cooling Useful head on heating SOUND DATA Sound power 1 Sound pressure 2 Weight when empty 1 Sound power Aermec determines the sound power value on the basis of measurements taken in accordance with standard 9614 2 in compliance with the Eurovent certification 2 Sound pressure Sound pressure in an unrestricted range on a reflective plane directional fact 022 10m away from the unit external surface complying with ISO 3744 NOMINAL REFERENCE CONDITIONS COOLING MODE HEATING mode Inlet water temperature 12 Inlet water temperature 40 Outlet water temperature EG Outlet water temperature 45 Outside air temperature 3512 Outside air temperature 7 6 At oC At SC 16 INRLPY 12 09 4086921 01 8 TECHNICAL DATA 8 1 TECHNICAL DATA C ee wel cer ume E Cooling output Total input power ES 617 225 zm A Energy indices ELECTRICAL DATA Input current is T m Maximum current Peak current mi m 2 gt gt 1
18. 20000 40000 11 2 TOTAL PRESSURE DROPS NRL standard heat pump unit in cooling mode NB The pressure drops and effective pressures are calculated on the basis of cooling with water at 10 The pressure drops include EVAPORATORS WATER FILTERS HYDRAULIC CIRCUITS The diagram pressure drops are related to an average water temperature of 10 C The following table shows the correction to 250 a Perdita di carico totale 50 0 20000 40000 60000 80000 60000 80000 100000 120000 WATER FLOW RATE L H apply to the pressure 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 HYDRAULIC PARALLEL IS IN CHARGE OF THE CUSTOMER OR THE OR THE PERSON IN CHARGE TOTAL PRESSURE DROP OF THE HEAT PUMP 100000 120000 Portata acqua l h 140000 160000 140000 180000 160000 180000 200000 NB The wateroutlet probe WOP with its trap isfree nearthe electrical box remember to insert it in the collector of the outlet hydraulic parallel using a sleeve of 1 2 inch 200000 220000 240000 260000 INRLPY 12 09 4086921 01 Cooling operation HE USEFUL HEAD LOW HEAD HEAT PUMP COOLING MODE HA HE 250 200 150 kPa 100 50 100000 120000 140000 160000 180000 2000
19. 21 Total pressure drops 22 TT 24 Maximum minimum water content in the system 24 14 1 14 2 20 20 1 20 2 21 21 2 21 3 21 4 22 22 1 22 2 22 3 23 23 1 23 2 23 3 23 4 24 24 1 24 2 24 3 25 25 1 25 2 25 3 25 4 25 5 25 6 26 27 How to read the glycol curves 26 Pressure drops 27 Desupelliedler 27 ii 28 Pressure drop ba A 28 Measurements of the chillers lines versions 29 Kelo ro RE 30 Selection and place of installation 33 BOSI m uuu SAN OA ayaq 33 Minimum technical spaces 33 Dirriensional tables 34 Distribution of percentage weights on ons eret 46 a e 2000 2250 2500 2800 46 a e 3000 3300 3600 48 ha he 2000 2250 2500 2800 50 ha 3000 3300 3600 52 lae panem 54 External hydraulic circuit recommende
20. 5 6 9 5 5 2 8 8 3 6 61 3 2 5 5 58 99 41 6 9 3 9 6 7 798 NRL 3300 01 6 7 78 9 8 1 4 4 5 5 3 2 8 3 3 5 3 6 3 9 4 1 0 3 7 4 4 3 8 4 5 799 NRL 3300 02 6 7 7 7 10 0 11 5 4 5 5 2 28 3 2 5 5 63 9 6 1 0 3 7 4 2 3 8 4 4 799 NRL 3300 03 6 7 7 8 9 976 1 5 4 5 5 3 2 8 3 2 5 4 6 3 9 5 1 0 3 7 4 3 3 8 4 4 799 NRL 3300 04 6 7 7 6 10 2 11 6 4 4 5 0 27 31 5 676 6 3 9 8 1 1 3 6 4 1 3 8 4 3 799 NRL 3300 5 7 8 6 6 6 9 9 5 5 8 3 3 6 5 5 3 3 5 0 6 8 10 3 4 4 6 7 39 6 0 800 NRL 3300 2 5 7 8 4 68 0 0 5 6 8 2 3 6 5 3 3 3 49 7 0 10 4 4 5 6 6 3 9 5 8 800 NRL 3300 5 7 8 5 6 7 0 0 5 5 8 3 3 6 5 4 3 3 49 6 9 10 3 4 4 67 3 9 5 9 800 NRL 3300 5 7 8 2 70 0 1 5 6 8 2 3 6 5 2 3 3 4 8 7 276 10 4 4 5 6 6 3 9 5 7 800 NRL 3600 00 5 7 9 4 5 8 9 6 5 2 8 6 3 6 6 0 3 3 5 5 6 076 10 0 41 68 40 6 6 798 3600 01 6 6 7 7 9 8 1 4 4 5 5 3 2 8 3 3 5 4 6 3 9 5 1 0 3 7 4 3 3 8 4 5 799 NRL 3600 02
21. Input power 6 5 8 Input current 11 14 6 227 Useful 245 SOUND DATA Sound power 1 Sound pressure 2 Height x Width Depth Weight when empty gt gt NOMINAL REFERENCE CONDITIONS Inlet water temperature 129C Outlet water temperature PC Outside air temperature d b 35 At 5 1 Sound power Aermec determines the sound power value on the basis of measurements taken in accordance with standard 9614 2 in compliance with the Eurovent certification 2 Sound pressure Sound pressure in an unrestricted range on a reflective plane directional fact 022 10m away from the unit external surface complying with ISO 3744 14 NRLPY 12 09 4086921 01 7 TECHNICAL DATA 7 1 TECHNICAL DATA VERSIONS HA HE COOLING 2000 2250 2500 2800 3000 3300 3600 Cooling output Total input power Water flow rate Total pressure drops HEATING Heating capacity Total input power Water flow rate on heating Total pressure drops in heat mode Energy indices COP ELECTRICAL DATA Fuel feed Input current on cooling Input current on heating Maximum current Peak current Number Circuit FANS AXIAL Quantity Air flow rate Input power Input current Useful heads 1 EVAPORATORS PLATES Quantity Water connections in out HYDRAULIC CIRCUIT Accumulator capacity
22. NRL 2250 ACCUMULATOR EVAPORATOR water connections 2189 S 2 o s T 2 i 3l Un dea e SM Sy ji 4 em 2 d ES 1 5 PZ 1 di ja 1 ostz Position AVX 365 1900 1100 1560 1560 365 00 0002 6 1900 1560 001 39 INRLPY 12 09 4086921_01 NRL 2500 2800 3000 STANDARD DESUPERHEATER water connections LO 5 5 25 3850 1925 Position 365 1560 1560 1730 1560 1560 365 1 365 1560 1560 730 1560 1560 365 POSITION NOTE The opposite table shows the variation of ZBDOIASE 569 n 3000 A E 568 the position according to the exchanger 3300 A E 568 type 3600 A E 568 2800 HA HE 568 3000 HA HE 568 3300 HA HE 568 3600 HA HE 568
23. loss the circuit has to be emptied completely before reloading it The refrigerant has to be loaded only 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 by checking with a suitable leak detection It is prohibited to use in the refrigeration circuit oxygen or acetylene or other flammable or poisonous gas because they can cause explosions or intoxication It is advisable to keep a machine booklet not supplied but provided by the user in order to keep trace of the operations carried out on the unit In this way it will be easier to organise the operations properly and facilitate failure prevention and troubleshooting in the machine In the booklet write down date type of operation carried out routine maintenance inspection or repair description of the operation measures taken It is forbidden to CHARGE The cooling circuits with a refrigerant different from the one indicated If a different refrigerant gas is used the compressor may result seriously damaged DISPOSAL Provided that the disposal of the unit is carried out according to the rules in force in different countries INRLPY 12 09 4086921_01 61 62 INRLPY 12 09 4086921 01 AERMEC_ aw conditioning 37040 Bevilacqua VR Italy Via Roma 996 Tel 39 0442 633111 Te
24. low pressure anti freeze compressor overload fanoverload pump overload Display of the following parameters water inlet temperature accumulator temperature water outlet temperature delta T high pressure low pressure waiting time for restart alarms visualisation Settings without password cooling set total differential b with password antifreeze set low pressure exclusion time display language access code For further information refer to the user manual 4 L 20 25 250 20 30 30 Through this accessory it is possible to connect the unit with BMS supervision systems with electrical standard RS 485 and MODBUS type protocol ACCESSORIES 485 00 767 767 Sprung anti vibration supports Select the model using the compatibility table 773 779 785 79 798 773 779 785 79 798 798 798 AVX 01 02 03 04 Sprung anti vibration supports Select the model using the compatibility table P1 P2 P3 P4 Sprung anti vibration supports Select the model using the compatibility table Protect the external coils from accidental knocks 260 350 3502 3502 3502 260 350 3502 3502 3502 Card to be inserted in the electronic card of the unit Allows you to programme two time bands per day two switch on off cycles and to have differentiated progra
25. 05 15 12 9 3 0 3 8 9 12 15 18 Outside qir temperqture C 21 54 27 30 n m CORRECTION COEFFICIENTS OF THE INPUT POWER IN HEATING MODE 4 2 _ 1 1 0 9 0 8 0 7 For At different from 5 water consumption use Tab 10 4 1 to obtain the correction factors for the cooling capacity and input power 10 4 FOULING FACTORS The performance levels indicated in the table refer to conditions with clean tubes with a fouling factor 1 For other fouling factor values multiply the data of the performance tables by the coefficients given To take into account exchanger soiling apply the relative fouling factors Tab 10 4 2 20 INRLPY 12 09 4086921 01 15 12 9 3 0 3 6 9 12 15 18 21 24 27 30 Outside air temperature Tab 10 4 1 3 5 8 10 Cooling capacity correction factors 0 99 1 1 02 1 03 Cooling capacity correction factors 0 99 1 1 01 1 02 Tab 10 4 2 Fouling factors K m W 0 00005 0 0001 0 0002 Cooling capacity correction factors 1 0 98 0 94 Cooling capacity correction factors 1 0 98 0 95 11 11 1 PRESSURE DROPS TOTAL PRESSURE DROPS Standard NRL unit cooling only A E NB The pressure drops and effective pressures a
26. 1500 NRL 2000 A E H 03 3134 918 5630 3100 1079 7130 1500 NRL 2000 A E H 04 3130 936 5770 3097 1091 7270 1500 NRL 2000 A E H 3161 856 5220 3164 884 5430 210 2000 2 3161 869 5300 3164 896 5510 210 NRL 2000 A E H P3 3161 866 5280 3164 893 5490 210 2000 P4 3162 881 5380 3164 908 5590 210 NRL 2250 A E H 00 3424 810 5360 3426 812 5400 40 NRL 2250 A E H 01 3374 905 6000 3295 1061 7500 1500 NRL 2250 A E H 02 3369 915 6080 3292 1067 7580 1500 NRL 2250 A E H 03 3370 912 6060 3293 1066 7560 1500 NRL 2250 A E H 04 3361 930 6200 3287 1077 7700 1500 NRL 2250 A E H 3412 855 5650 3408 882 5860 210 2250 2 3409 867 5730 3405 893 5940 210 2250 3410 864 5710 3406 890 5920 210 2250 3406 879 5810 3402 903 6020 210 NRL 2500 A E H 00 3889 812 5780 3892 814 5820 40 NRL 2500 A E H 01 3838 902 6430 3757 1050 7930 1500 NRL 2500 A E H 02 3832 913 6520 3753 1057 8020 1500 NRL 2500 A E H 03 3834 909 6490 3754 1055 7990 1500 NRL 2500 A E H 04 3824 927 6640 3747 1067 8140 1500 NRL 2500 A E H 3897 856 6080 3903 881 6290 210 NRL 2500 A E H P2 3899 868 6170 3905 892 6380 210 NRL 2500 A E H P3 3898 864 6140 3904 888 6350 210 NRL 2500 A E H P4 3901 879 6250 3907 902 6460 210 NRL 2800 A E H 00 3980 790 6190 3982 793 6250 60 NRL 2800 A E H 01 3923 877 6840 3831 1022 8360 1520 NRL 2800 A E H 02 3916 887 6930 3826 1029 8450 1520
27. POO eo GAO 3600HA 97 0 65 0 79 0 05 0 98 0 93 5 92 5 85 0 76 0 70 0 CHECK PARAMETERS Cold Setting Water inlet temperature in cooling mode heating Setting Water inlet temperature in heat mode Anti freeze intervention Total differential Anti freeze alarm intervention temperature on EV side water output temperature Proportional temperature band within which the compressors are activated and deactivated MIN MAX DEFAULT MIN MAX DEFAULT MIN MAX DEFAULT MIN MAX DEFAULT Autostart auto COMPRESSOR THERMOMAGNETIC SWITCHES 400V CIRCUIT 1 CIRCUIT 2 CIRCUIT 1 CIRCUIT2 CIRCUIT 1 CIRCUIT 2 x HIGH PRESSURE SWITCH WITH MANUAL RESET PA bor High pressure transducer gt TAP bar LOW PRESSURE TRANSDUCER TBP bar CHILLER CIRCUIT SAFETY VALVE P bar BP bar only in heat pump FAN THERMOMAGNETIC SWITCHES The calibration is carried out on a thermomagnetic switch single ventilation line Fans A E Fans HA HE FANS THERMOMAGNETIC SWITCHES M Fans A E Fans HA HE NUMBER OF FANS No fans A E No fans HA HE The calibration is carried out on a thermomagnetic switch single ventilation line INRLPY 12 09 4086921 01 31 2800 3000 COMPRESSOR THERMOMAGNETIC SWITCHES 400V CIRCUIT 2
28. coefficient condition WITH PUMP ONLY The values shown min in the table refer to three conditions 1095 40 2 0 507 1 of maximum and minimum water 1095 60 2 0 686 2 temperature the acluol waler content 10 85 2 0 809 3 of the hydraulic system including the 20 40 6 0 434 1 accumulation tank exceeds the level 20 60 22 0 604 2 indicated the table referred to the gt operating conditions additional 20 85 6 0 729 3 scaled expansion tank must be installed 35 40 6 0 373 1 using the usual criteria with respect to the 35 60 6 0 555 2 additional water volume 3576 85 6 0 677 3 From tables 12 3 it is possible to obtain the values of maximum system content also for other operational conditions with glycol water The values are obtained by multiplying the reference value by the correction Working reference conditions coefficient 1 Cooling Max water temp 40 Min water temp 4 2 Heating heat pump Max water temp 60 C Min water temp 4 C 12 1 2 Expansion tank calibration 3 Heating boiler Max water temp 85 Min water temp 4 The standard pressure value for pre charging the expansion tank is 1 5 bar UE and the volume is 25 litres Maximum value bar The tank must be calibrated according to a the maximum difference in height H of X the device see figure according to the x formulo p calibration bar H m 10 2
29. mm 2x185 2x185 2x185 2x185 no conductors sect for each phase 800 800 800 800 KEY Sec A Fuel feed Terra IL Main switch INRLPY 12 09 4086921 01 58 For higher lengths or different types of cable installation it will be the DESIGNERS responsibility to carefully measure the line main switch the supply power line and the earthing protection connection and the working connection cables the length the type of cable Absorption of the unit and its physical position and room temperature WARNING Check thatall powercables are correctly secured to the terminals when switched on for the fist ime and after 30 days of use Afterwards check the connection of the power cables every six months Slack terminals could cause the cables and components to overheat 23 4 CONNECTION TO THE POWER SUPPLY Check there is no voltage on the electric line you want to use 23 4 1 To access the electric box Turn the screws of the electrical panel in counter clockwise direction the handle of the door block disconnecting switch to OFF see figure In this way the electrical panel can be accessed 7 JU INRLPY 12 09 4086921 01 23 2 ELECTRICAL POWER CONNECTION Forfunctional connection of the unit take the supply power cable to the electrical panel inside the unit fig 1 in the previous page and connec
30. 6 7 7 6 101 11 5 4 5 51 2 8 3 2 5 5 63 9 776 1 1 3 7 4 2 3 8 4 4 799 3600 03 6 7 7 7 9 9 1 5 4 5 5 2 2 8 3 2 5 4 6 3 9 576 1 0 3 7 4 3 3 8 4 4 799 NRL 3600 04 6 7 7 6 10 3 11 6 4 4 5 0 27 31 56 63 98 1 1 3 6 4 1 3 8 4 3 799 NRL 3600 5 7 8 5 6 7 0 0 5 5 8 2 3 6 5 4 3 4 5 0 6 9 10 3 4 4 6 6 40 5 9 800 NRL 3600 2 5 7 8 3 7 0 0 1 5 6 81 3 6 5 2 3 4 49 7 2 10 4 4 5 6 5 40 5 7 800 NRL 3600 5 7 8 4 6 876 0 1 5 5 8 1 3 6 5 3 3 4 5 0 7 0 10 4 4 4 6 5 4 0 5 8 800 3600 5 7 8 1 71 0 2 5 6 80 3 6 51 3 4 48 7 3 10 5 4 5 6 5 40 5 7 800 INRLPY 12 09 4086921 01 49 50 21 3 NRL 2000 2250 2500 2800 RUNNING Model CENTRE OF GRAVITY WEIGHT CENTRE GRAVITY TOTAL WEIGHT XG MG kg YG WATER NRL 2000 A E H 00 3159 807 4930 3161 809 4970 40 NRL 2000 A E H 01 3136 909 5570 3101 1073 7070 1500 NRL 2000 A E H 02 3134 920 5650 3099 1080 7150
31. a flow switch standaraly installed on the machine This safety type can occur after the first 10 seconds of operation of the pump if the water flow rate is not sufficient This alarm sets the block of the compressor and the pump WARNING Inspection maintenance ang possible repair operations must be carried out only by an authorised technician according to the law A deficient check maintenance operation may result in damage to things and people For machines installed near the sea the maintenance intervals must be halved leaks the refrigerant comes out and the circuit is drained causing the unit malfunction In these cases the refrigerant leakage points are found and repaired and the cooling circuit is recharged operating in compliance with Law 28 December 1993 no 549 27 6 1 Loading procedure The loading procedure is as follows Empty and dehydrated the entire refrigeration circuit using a vacuum pump connected to the low grip as to the high grip of high pressure till the vacuum gauge reading up to about 10 Pa Wait some minutes and check that this value does not goes back again over 50 Pa Connect the refrigerant gas bomb or a load cylinder to the grip on the low pressure line Charge the amount of refrigerant gas indicated on the characteristics plate of the machine After any operation control that the liquid indicator indicates a dry circuit dry green In case of partial
32. 1 2 u 5 140 The nominal value refers to 8 Di air temperature 35 water at the desuperheater 45 50 100 _At 5 C 8 80 g 5 60 6 40 20 0 0 10000 20000 30000 40000 50000 60000 70000 80000 90000 100000 110000 The units with desuperheater D not for versions Portata acqua YD only for temperature lower than 4 15 2 1 NRL D 2000 2250 2500 2800 3000 3300 3600 recovered kW 191 206 222 253 285 310 335 Desuperheater water flow rate 32600 35470 38140 43590 49040 53360 57690 Desuperheater pressure drops kPo 12 5 15 5 31 1 33 1 44 9 48 6 61 7 15 2 2 Correction of pressure drop when average water temperature varies Average water temperature 30 40 50 60 70 Multiplication coefficient 1 04 1 02 1 0 98 0 96 INRLPY 12 09 4086921_01 27 28 16 TOTAL RECOVERY In case of operation with total heat recovery the machine performances do not depend on the external air temperature but on that of the hot water produced the electrical input power and the recovery heating capacity are obtained by multiplying the values Pa Pr shown in table 16 1 1 by the respective correction coefficients Ca Cr that can be seen in the following diagrams According to the temperature of the hot water produced referred to is shown assuming a difference of 5 C between the inlet to and outlet from the total heat recovery unit T
33. 108 EC Pressure containers directive PED 97 23 CE EN 378 UNI EN 14276 Electrical part EN 60204 1 Protection rating IP24 Acoustic part SOUND POWER EN ISO 9614 2 SOUND PRESSURE EN ISO 3744 Certifications Eurovent Refrigerant GAS This unit contains fluorinated greenhouse gases covered by the Kyoto Protocol Maintenance and disposal operations must be only carried out by qualified staff R410A GWP 1900 6 INRLPY 12 09 4086921 01 The AERMEC NRL units are built according to the recognised standards and safety regulations They have been designed for air conditioning and production of hot water and must be used for this purpose in accordance with their performance characteristics The company shall not be contractually or non contractually liable for any damage to people animals or objects for failures caused by errors during installation adjustment and maintenance or incorrect use All the uses not expressly indicated in this manual are not allowed 1 1 CONSERVING THE DOCUMENTATION Deliver the following instructions plus alll 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 procedures must be carried out by qualified personnel according to the regulations in force in the different countries M D 329 2004 It must be in
34. 2 9 576 1 1 3 8 4 4 3 8 4 4 799 NRL 3600 04 6 6 7 5 10 2 11 6 45 51 27 31 5 5 6 3 9 8 1 1 3 7 4 2 3 8 4 376 799 NRL 3600 P1 5 6 8 4 6 7 0 1 5 5 8 3 3 6 5 3 3 3 5 0 6 976 10 4 4 4 6 7 3 9 5 9 800 3600 2 5 6 8 2 70 0 2 5 6 8 2 3 5 5 2 3 3 4 9 71 10 5 4 5 6 6 3 9 5 7 800 NRL 3600 5 6 8 3 6 876 0 1 5 5 8 2 3 5 5 3 3 3 5 0 7 0 10 4 4 5 6 7 3 9 5 8 800 3600 5 6 81 71 0 3 5 6 8 1 3 5 51 3 3 4 8 7 3 10 5 4 6 6 6 3 9 5 6 800 INRLPY 12 09 4086921 01 83 54 22 HYDRAULIC CIRCUIT The NRL consists of TWO CIRCUITS both fitted with Evaporators 1 x circuit Water filter 1 per circuit supplied supplied with log and victaulic gaskets Desuperheaters 2 per circuit in parallel mode without filter Water inlet probe SIW Water outlet probe SUW NB The wateroutlet probe WOP with its trap isfree nearthe electrical box rememberto insert it in the collector of the outlet hydraulic parallel using a of Yinch 22 1 EXTERNAL HYDRAULIC CIRCUIT RECOMMENDED The selection and installation of components outside the NRL should be carried out by the installer who should wo
35. 35 INRLPY 12 09 4086921_01 NRL 2000 ACCUMULATOR DESUPERHEATER water connections OUT 4 E lt NA i e C P E 5 ribs 220 22 M 1085 1563 1437 1563 352 Position AVX 365 1900 1470 1900 365 2000 50 1900 1470 1900 365 m 100 36 INRLPY 12 09 4086921 01 DESUPERHEATER water connections NRL 2250 STANDARD EVAPORATOR water connections Position AVX 37 INRLPY 12 09 4086921 01 38 NRL 2250 PUMPS Position AVX o 12 09 4086921 01 DESUPERHEATER water connections 365 1560 1560 1100 1900 365 _ eet H 4 1001 Ww A 8 DESUPERHEATER water connections
36. 4 0 4 2 774 NRL 2250 A E 02 3 0 13 6 2 4 13 0 6 9 7 2 12 5 13 2 4 0 4 276 774 2250 03 3 0 13 6 2 4 13 0 6 9 7 2 12 6 13 2 4 0 4 2 B 774 NRL 2250 A E 04 3 1 13 5 2 5 12 8 6 9 7 176 12 8 131 4 0 41 774 NRL 2250 0 2 15 0 10 8 15 9 5 4 8 0 9 9 14 6 4 2 61 775 NRL 2250 2 0 3 14 8 1 0 15 9 5 4 7 8 101 14 6 4 1 6 0 775 NRL 2250 0 2 14 9 0 9 15 9 5 4 7 8 101 14 6 4 1 6 0 775 NRL 2250 A E 0 4 14 7 1 2 15 8 5 4 7 6 10 4 14 7 4 1 5 8 775 NRL 2500 00 8 0 13 4 8 4 14 1 4 1 6 8 5 2 87 7 0 11 7 4 7 7 996 779 NRL 2500 01 0 9 11 7 1 3 12 2 3 0 3 2 9 0 9 7 9 5 10 3 4 3 4 7 780 NRL 2500 02 1 0 11 7 1 4 12 2 2 9 31 9 2 9 8 9 6 10 2 4 3 4 6 780 NRL 2500 03 1 0 11 7 1 4 12 2 2 9 31 91 9 8 9 6 10 2 4 3 4 6 780 NRL 2500 4 1 1 11 6 1 6 12 1 2 9 3 0 9 4 9 8 9 7 10 2 4 3 4 5 780 NRL 2500 8 2 12 0 9 8 14 5 3 8 5 7 5 6 8 2 8 3 12 2 4 7 7 0 781 NRL 2500 2 8 2 11 8 0 1 14 5 3 8 5 5 5 7 8 2 8 5 12 3 4 7 6 8 781 NRL 2500 8 2 11 9 0 0 14 5 3 8 5 5 5 6
37. 4 5 6 200 225 250 280 300 360 7 0 Standard compressor 8 Thermostatic valve i Standard mechanical thermostatic valve to 4 Y Low water temperature mechanical thermostatic valve to 6 C x Electronic thermostatic valve also for low water temperature to 6 C 9 Model Cooling only Condenser unit H Heat pump 10 Heat recovery Without recovery units D Desuperheqter T Total recovery 11 Version A High efficiency E High efficiency silenced version 12 Coils Made of aluminium R Made of copper Varnished 13 Fans Standard M Enlarged J Inverter 14 Fuel feed 400V 3 50Hz with thermomagnetic switches 1 230V 3 50Hz with thermomagnetic switches 2 500V 3 50Hz with 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 and single pump 04 High head water accumulator and reserve pump 05 Water accumulator with holes for supplementary electric heater low head and single pump 06 Water accumulator with holes for supplementary electric heater low head and reserve pump 07 Water accumulator with holes for supplementary electric heater high head and single pump 08 Water accumulator with holes for supplementary electric heater high head and reserve pump 09 Double hydraulic ring 10 Double hydraulic ring with supplementary electric heater
38. 6 9 781 2500 8 0 6 10 2 4 7 3 7 5 4 5 6 81 8 7 2 5 47 6 7 781 NRL 2800 A E H 00 7 276 2 776 7 976 4 076 4 6 8 176 4 6 8 2 6 7 1 9 51 9 0 785 NRL 2800 A E H 01 10 076 5 10 7 2 3 3 7 4 2 8276 9 5 9 176 0 5 4 8 5 5 786 NRL 2800 A E H 02 10 176 5 10 8 2 3 3 6 41 8 3 9 5 9 2 0 5 4 8 5 4 786 2800 03 10 0 5 10 8 2 3 3 6 41 8 3 9 5 9 2 0 5 4 8 5 5 786 2800 04 10 2 4 10 9 2 2 3 5 40 8 5 9 5 9 3 0 4 4 7 5 3 786 2800 7 4 6 9 2 4 4 4 4 69 50 79 7 9 2 3 5 1 8 0 787 NRL 2800 A E H P2 7 476 4 9 4 4 5 4 4 67 51 78 81 2 4 5 1 7 8 787 2800 7 4 4 9 3 4 4 44 68 51 78 80 2 4 51 7 9 787 2800 A E H 4 7 4 2 9 6 4 5 4 3 65 51 77 8 3 2 5 51 7 7 787 INRLPY 12 09 4086921_01 51 52 21 4 NRL 3000 3300 3600 RUNNING Mode CENTRE OF GRAVITY WEIGHT CENTRE OF GRAVITY TOTAL WEIGHT KG kg xG WATER NRL 3000 00 3985 786 6630 3988 789 6690 60 NRL 3000 A E H 01 3927 874 7340 3840 1012 8860 1520 NR
39. 7 3 6 12 5 3 5 8 0 8 6 11 3 12 176 3 7 4 076 774 NRL 2250 A E H 02 12 8 3 5 12 6 3 4 8 1 8 6 11 4 12 1 3 7 3 9 774 2250 03 12 7 3 6 12 6 3 4 8 1 8 6 11 4 12 1 3 7 3 9 774 2250 04 12 9 3 4 12 7 3 3 8 2 8 6 11 5 12 0 3 6 3 8 774 2250 1 10 0 4 9 10 7 6 0 5 8 8 7 9 6 4 3 4 0 6 0 775 2250 2 10 1 4 8 10 8 5 9 5 9 87 9 7 4 3 40 5 8 775 NRL 2250 A E H P3 10 176 4 876 10 876 5 976 5 9 8 7 9 776 4 3 40 5 976 775 NRL 2250 A E H 10 2 4 6 11 0 5 8 6 0 8 6 9 9 4 2 4 0 5 7 775 2500 00 7 8 3 3 8 4 4 3 40 69 51 87 7 0 1 9 47 8 0 779 NRL 2500 01 10 7 7 11 3 2 4 30 3 3 89 9 8 9 5 0 4 4 3 4 7 780 NRL 2500 A E H 02 10 8 7 11 4 2 3 2 9 3 2 9 0 9 8 9 6 0 4 4 3 4 6 780 2500 03 10 8 7 11 4 2 3 3 0 3 2 9 0 98 9 6 0 4 4 3 4 7 780 NRL 2500 04 10 976 6 11 5 2 2 29 30 9 276 9 8 9 7 0 376 4 3 4 5 780 NRL 2500 A E H 8 0 2 0 9 8 4 6 3 8 5 7 5 5 8 3 8 3 2 4 4 7 7 0 781 2500 2 8 0 8 10 0 4 7 3 8 5 5 5 6 8 2 8 5 2 4 4 7 6 8 781 NRL 2500 A E H P3 8 076 8 9 9 4 7 3 8 5 6 5 6 82 8 4 2 476 4 7
40. 93 100 NRL 3300 0 19 28 37 46 55 63 71 78 86 93 100 NRL 3600 0 19 28 37 46 55 63 71 78 86 93 100 Input power Levels of power Versions 1 2 3 4 5 69 79 8 9 10 11 12 NRL 2000 1 22 34 46 59 72 86 100 2250 11 22 34 46 59 72 86 100 NRL 2500 1 22 34 46 59 72 86 100 NRL 2800 10 20 30 40 50 59 69 79 89 100 NRL 3000 7 15 22 30 38 46 55 63 72 81 91 100 NRL 3300 7 15 22 30 38 46 55 63 72 81 91 100 NRL 3600 7 15 22 30 38 46 55 63 72 81 91 100 Heating capacity Levels of power Versions 1 2 3 4 59 69 79 8 9 10 11 12 NRL 2000 14 27 40 53 65 77 89 100 2250 14 27 40 53 65 77 89 100 NRL 2500 14 27 40 53 65 77 89 100 NRL 2800 12 24 36 48 57 66 75 83 92 100 NRL 3000 9 16 27 36 45 153 61 69 77 85 93 100 NRL 3300 9 16 27 36 45 153 61 69 77 85 93 100 NRL 3600 9 18 27 136 45 53 61 69 77 85 93 100 Input power Levels of power Versions 1 2 3 4 5 6 7 8 9 10 11 12 NRL 2000 11 22 34 46 59 72 86 100 2250 11 22 34 46 59 72 86 100 NRL 2500 11 22 34 46 59 72 86 100 NRL 2800 10 20 30 40 50 59 69 79 89 100 NRL 3000 7 15 22 30 38 46 55 63 72 81 91 100 NRL 3300 7 15 22 30 38 46 55 63 72 81 91 100 NRL 3600 7 15 22 30 38 46 55 63 72 81 91 100 The performance values refer to the following conditions processed water temperature 7 C outside air temperature 35 C The performance values refer to the following conditions processed wate
41. Accumulator antifreeze heater Expansion tank capacity kW no no HA 522 576 630 702 776 874 944 HE HA 462 188 515 203 568 218 638 252 710 286 796 302 852 324 HE HA 214 89780 229 99070 244 108360 280 120740 316 133470 336 150330 364 162370 79460 88580 97700 109740 122120 136910 146540 586 186 100790 68 8 2250 637 203 109560 75 5 2500 688 220 118340 75 5 2800 776 248 133470 58 2 3000 866 278 148950 60 1 3300 968 306 166500 66 3 3600 1046 326 179910 65 9 8 4 8 167200 8 4 10 209600 8 4 12 252000 10 4 12 248400 12 4 12 244800 12 4 16 336000 12 4 16 331200 121200 13 6 28 8 48 148800 17 0 36 0 48 176400 20 4 43 2 49 180000 20 4 43 2 47 183600 20 4 43 2 45 235200 27 1 57 6 49 231800 27 1 57 6 47 3 2 3 4 1 The useful heads refer to the nominal air flow rate The water connections are all of the Victaulic type For size 2250 3 connections are envisaged for module 1000 and 4 connections for module 1250 for the version 00 2x 700 2x 300 INRLPY
42. P1 Without water accumulator with low head pump P2 Without water accumulator with low head pump and reserve pump P3 Without water accumulator with high head pump P4 Without water accumulator with high head pump and reserve pump WARNING NB for heat pump versions M fans are not available only and J INRLPY 12 09 4086921_01 3 CHILLER CIRCUIT Compressors High efficiency scroll type hermetic compressors assembled on elastic anti vibration supports driven by a 2 pole electric motor with internal thermal protection of the electric heater casing included as standard The heater is automatically powered when the unit stops provided that the unit is kept under tension Air side heat exchanger High efficiency device made of copper pipes and aluminium blades locked into place via mechanical pipe expansion Water side heat exchanger Of the plate type AISI 316 externally insulated with closed cell material to reduce thermal dispersion Fitted as standard with antifreeze heater LIQUID SEPARATOR HEAT PUMP ONLY Located on the suction point of the compressor to protect against any flowback of liquid refrigerant flooded start ups operation in the presence of liquid Liquid accumulation only for heat pumps and total recovery To compensate the difference in volume between the finned coil and the plate type exchanger holding back excess liquid Filter drier Of the mechanical type made of ceramics an
43. in case of abnormal pressure High pressure transducer TP3 Standard for all the versions Placed on the high pressure side of the chiller circuit it communicates to the control card the INRLPY 12 09 4086921 01 operating pressure sending a pre alarm in case of abnormal pressure Anti freeze heater installed as standard Its operation is commanded by the antifreeze probe located in the plate type evaporator It is activated when the water temperature is 3 and deactivated when the water temperature is 5 The dedicated software in the regulation card manages the heater Refrigerating circuit safety valve This intervenes by releasing overpressure in the event of abnormal working pressure levels 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 the plate type evaporator It is activated when the water temperature is 3 and deactivated when the water temperature is 5 The dedicated software in the regulation card manages the heater 3 4 ELECTRICAL COMPONENTS ELECTRICAL PANEL Contains the power section and the management of the controls and safety devices In accordance with standards CEI EN 61000 6 1 CEI EN 61000 6 2 CEI EN 61000 6 4 immunity and electromagnetic emissions for the industrial sector and Directives EMC 89 336 EEC an
44. turn will intercept all the other curves the points obtained from the upper curves represent the coefficients for the correction of the cooling capacity and input power for the flow rates and the pressure drops remember that these coefficients must anyway be multiplied by the nominal value of the sizes examined the lower axis advises the percentage of glycol necessary on the basis of the outside air temperature considered Ifyou want to calculate the percentage of glycol on the INRLPY 12 09 4086921 01 Although the graph reaches outside air temperatures of 40 C it is necessary to maintain the machine s operating limits as reference 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 represent the coefficients for the cooling capacity and input power for the flow rates and the pressure drops remember that These coefficients must anyway be multiplied by the nominal value of the sizes examined the lower axis advises the percentage of glycol necessary to produce water at the required temperature REMEMBER THAT THE INITIAL SIZES Outside air temperature AND Processed water temperature are not directly linked to each other so it is not possible to enter the curve of one of these sizes and obtain the corresponding
45. 0 3 example if the level difference H is 20m the calibration value of the tank will 5 2 3 If the calibration value obtained from the calculation is lower than 1 5 bar i e a for H lt 12 25 maintain the standard 0 an Fi calibration ite MINIMUM WATER CONTENT 8 Compressor 1 1 2 amp 2000 2250 8 4 8 H min 2 KEY 2500 1 Check that the highest user does 2800 10 8 exceed a level difference of 3000 55 metres 3300 12 4 8 2 Check that the lowest user can sustain the global pressure acting at 3600 that point inimum water content Minimum water content in the case of process applications or operation with low outside temperatures and low load Adjusting the outlet water temperature project At less than 5 C INRLPY 12 09 4086921 01 13 CAPACITY CONTROLS Cooling capacity Levels of power Versions 1 2 3 4 5 6 7 8 9 10 11 12 NRL 2000 4 28 41 54 66 78 89 100 2250 4 28 41 54 66 78 89 100 NRL 2500 4 28 41 54 66 78 89 100 NRL 2800 3 25 37 49 158 67 76 84 92 100 NRL 3000 0 19 28 37 46 55 63 71 78 86
46. 00 Water flow rate 0 20000 40000 60000 80000 USEFUL HEAD HIGH HEAD HEAT PUMP IN COOLING MODE HA HE 400 350 300 250 200 150 100 50 140000 180000 200000 160000 0 20000 40000 60000 80000 100000 120000 Water flow rate l h Corrective coefficients for heat pump on heating operation Average water temperature 15 20 30 40 50 Multiplicational coefficient 1 02 0 985 0 97 0 95 0 93 0 91 INRLPY 12 09 4086921_01 23 24 12 ACCUMULATOR 12 2 height 30 25 20 15 2 12 25 12 1 WATER Expansion tank calibration bar 3 2 2 8 23 1 8 1 5 CONTENT IN THE SYSTEM Water content reference value Baki FATE 9510 5852 12 11 Maximum water content Water content reference value 12 1978 1190 1404 1616 1732 recommended Water content reference value 18 510 622 732 844 904 In the table 12 2 the maximum content is indicated in litres of water of the hydraulic system compatible with expansion tank capacity supplied as part 12 3 of the standard equipment IN VERSIONS Correction Reference WITH ACCUMULATION OR VERSIONS
47. 063 COMPRESSORS Number Circuit FANS AXIAL Quantity Air flow rate Input power Input current SOUND DATA Sound power 1 Sound pressure 2 1 Sound power Aermec determines the sound power value on the basis of no 5 gt 8 4 140400 8 4 176400 8 4 212400 10 4 206200 12 4 204000 12 4 266000 12 4 244000 m m gt gt 105300 126990 1 46660 150640 153000 192300 183000 measurements taken accordance with standard 9614 2 in compliance with the Eurovent certification 2 Sound pressure Sound pressure in an unrestricted range on a reflective plane directional fact 022 10m away from the unit external surface complying with ISO 3744 INRLPY 12 09 4086921 01 17 9 OPERATING LIMITS 9 1 COOLING MODE The devices in their standard configurations are not suitable for installation in salty environments The maximum and minimum limits for the water flow rate to the exchanger are indicated by the curves of the pressure drop diagrams For the operating limits refer to the diagrams below valid for At 5 N B The unit can be activated with external air at 46 C and inlet water at 35 C in the summer function The unit can be activated with external air at 15 C and inlet water at 20 C i
48. 31 831 0 10 54 54 35 35 831 831 NRL 2500C 10 20 54 54 35 35 831 831 20 30 54 54 35 35 831 831 0 10 54 67 35 35 831 868 NRL 2800C 10 20 54 67 35 35 831 868 20 30 54 67 35 35 831 868 0 10 67 67 35 35 868 868 NRL 3000C 10 20 67 67 35 35 868 868 20 30 67 67 35 35 868 868 0 10 67 67 35 42 868 1237 NRL 3300C 10 20 67 67 35 42 868 1237 20 30 67 67 35 42 868 1237 0 10 67 67 42 42 1237 1237 NRL 3600C 10 20 67 67 42 42 1237 1237 20 30 67 67 42 42 1237 1237 Parzializzazione minima 2 compressori ON Key C1 Chiller circuit 1 05 C2 Chiller circuit 2 m EONDENSING UNIT TION C3 Chiller circuit 3 KONDENSATOREINHEITEN C4 Chiller circuit 4 If the evaporator is positioned lower than the condenser drain taps must be available on the suction z line to draw the oil towards the compressor By line length we M mean the distance between the 0 5 lt EVAPORATORE units measured on the liquid line For further information contact the head office EVAPORATOR EVAPORATEUR VERDAMPFER INRLPY 12 09 4086921 01 29 30 18 SOUND DATA Sound power Aermec determines the sound power value on the basis of measurements taken in accordance with standard 9614 2 in compliance with the Eurovent certification Sound pressure Sound pressure in free field on a reflecting plane directional factor Q2 in accordance with standard ISO
49. 3744 NB The data refer to the version with standard fans The values refer to water inlet temperature 122 processed water temperature 7 C outside air temperature 35 C INRLPY 12 09 4086921_01 Total sound levels Octave band Hz NRL E Pow Pressure 125 250 500 1000 2000 4000 8000 dB A 4 Sound power by central band frequency dB 2000E 86 0 540 68 0 980 855 810 77 5 760 720 68 0 2250E 959 929 G6 Ser 2051 2 05 2500 89 0 570 710 1000 890 65 3 817 78 0 740 72 0 2800 Bis HOLS 1006 5 shi GO 770 72150 2 3000E 88 0 56 0 70 0 98 5 88 0 84 0 81 5 78 0 72 1 65 1 3300E 45 WLS 1010 870 825 SLO 755 95 3600E 91 5 59 5 73 5 99 0 89 0 86 0 86 0 85 0 78 0 72 0 Total sound levels Octave band Hz NRL HE Pow Pressure 125 250 500 1000 2000 4000 8000 dB A SEC dB A Sound power by central band frequency dB 2000HE 86 6 54 6 68 6 99 0 85 7 81 6 77 2 763 72 3 68 4 2250 BO S59 GO 88 B27 8105 755 727 9740 2500HE 89 0 570 71 0 98 5 91 0 83 5 82 5 800 73 0 65 0 2800 885 56 5
50. 3982 794 6560 50 NRL 3000 A E 01 3921 88 7220 3833 1019 8730 1510 3000 02 3910 897 7370 3826 1031 8880 1510 3000 03 3921 88 7220 3833 1019 8730 1510 3000 04 3910 897 7370 3826 1031 8880 1510 3000 3983 839 6870 3986 862 7090 220 NRL 3000 A E P2 3984 857 7020 3987 879 7240 220 NRL 3000 A E P3 3983 839 6870 3986 862 7090 220 NRL 3000 A E 3984 853 6980 3987 874 7200 220 3300 00 5431 815 7590 5433 818 7650 60 3300 01 5384 891 8300 5312 1013 9820 1520 3300 02 5375 905 8450 5305 1023 9970 1520 3300 03 5380 897 8360 5309 1017 9880 1520 3300 04 5368 916 8570 5300 1031 10090 1520 3300 5436 855 7950 5440 875 8180 230 3300 2 5438 871 8100 5442 890 8330 230 3300 5436 862 8010 5441 881 8240 230 3300 P4 5439 879 8180 5443 897 8410 230 NRL 3600 A E 00 5433 826 7850 5436 828 7910 60 3600 01 5388 898 8560 5317 1016 10080 1520 3600 02 5379 912 8710 5311 1026 10230 1520 3600 03 5384 904 8620 5315 1020 10140 1520 3600 04 5372 923 8830 5306 1034 10350 1520 3600 5438 864 8210 5442 883 8440 230 3600 2 5440 879 8360 5444 897 8590 230 3600 5439 870 8270 5443 889 8500 230 3600 5441 887 8440
51. 5445 905 8670 230 48 INRLPY 12 09 4086921 01 PERCENTAGE OF WEIGHT DISTRIBUTION SUPPORTS 76 Model 1 2 3 4 6 7 8 9 10 1 12 13 14 15 16 AVX 76 76 YA NRL 3000 00 7 0 12 3 8 3 4 8 41 7 3 48 8 4 71 12 5 48 8 6 791 NRL 3000 A E 01 9 7 11 3 11 1 12 8 3 2 3 7 8 3 9 6 9 4 10 9 4 6 5 3 792 NRL 3000 02 9 9 11 2 11 2 12 7 3 2 3 6 8 5 9 6 9 6 10 8 4 5 51 x 792 NRL 3000 A E 03 9 7 11 3 111 12 8 3 2 3 7 8 3 9 6 9 4 10 9 4 6 5 3 792 3000 04 9 9 11 2 11 2 12 7 3 2 3 6 8 5 9 6 9 6 10 8 4 5 5 176 792 NRL 3000 7 2 11 1 9 7 5 1 3 7 6 1 5 2 8 0 8 3 12 9 4 8 7 5 793 NRL 3000 2 7 2 10 8 10 176 15 2 3 9 5 8 5 3 8 0 8 7 13 0 4 8 7 376 793 NRL 3000 A E 7 2 111 9 7 5 1 3 7 6 1 5 2 8 0 8 3 12 9 4 8 7 5 793 NRL 3000 7 2 10 9 10 0 15 1 3 9 5 9 5 3 8 0 8 6 13 0 4 8 7 376 799 NRL 3300 00 5 7 9 6
52. 8 2 8 4 12 3 4 7 6 9 781 NRL 2500 8 2 11 6 0 3 14 6 3 7 5 3 5 7 8 1 8 7 12 3 4 7 6 776 781 NRL 2800 7 3 12 9 7 8 13 8 4 796 8 2 4 7 8 2 6 6 11 6 5 2 9 176 785 NRL 2800 01 10 2 11 6 10 7 12 1 3 7 4 2 8 4 9 5 9 0 10 3 4 9 5 5 786 NRL 2800 02 10 3 11 5 10 8 12 1 3 6 4 1 8 5 9 5 91 10 2 4 8 5 4 786 NRL 2800 03 10 2 11 5 10 7 12 1 3 7 4 1 8 4 9 5 9 176 10 3 4 8 5 5 786 NRL 2800 4 10 4 11 5 10 9 120 3 6 3 976 8 7 9 6 92 10 2 4 8 5 3 786 NRL 2800 1 7 5 11 7 9 1 14 2 4 5 7 0 5 1 7 9 7 8 121 5 2 8 0 787 NRL 2800 2 7 5 11 5 9 4 14 2 4 4 6 7 5 2 78 8 0 121 5 2 7 976 787 NRL 2800 7 5 11 5 9 3 14 2 4 5 6 8 5 1 7 9 7 9 121 5 2 7 9 787 NRL 2800 P4 7 676 11 3 9 6 14 3 4 4 6 6 5 2 7 8 8 2 12 2 5 2 7 7 787 INRLPY 12 09 4086921_01 47 21 2 NRL A E 5000 3300 3600 RUNNING CENTRE OF MODEL CENTRE OF GRAVITY WEIGHT GRAVITY TOTAL WEIGHT XG YG kg XG NG kg WATER NRL 3000 A E 00 3980 79 6510
53. 939 6080 3345 1086 7580 1500 2250 3417 863 5530 3419 889 5740 210 NRL 2250 2 3417 875 5610 3419 901 5820 210 2250 3417 872 5590 3419 898 5800 210 2250 3417 887 5690 3419 911 5900 210 2500 00 3882 819 5660 3884 821 5700 40 2500 01 3830 910 6310 3749 1059 7810 1500 2500 02 3824 921 6400 3745 1066 7900 1500 2500 03 3826 918 6370 3746 1064 7870 1500 2500 04 3816 936 6520 3739 1076 8020 1500 2500 3890 864 5960 3896 888 6170 210 2500 2 3892 876 6050 3898 900 6260 210 2500 3891 872 6020 3897 896 6230 210 2500 3894 887 6130 3900 910 6340 210 2800 00 3974 795 6060 3976 797 6110 50 2800 01 3917 882 6710 3824 1029 8220 1510 2800 02 3909 893 6800 3819 1036 8310 1510 2800 03 3912 690 6770 362 1034 8280 1510 2800 04 3900 907 6920 3813 1046 8430 1510 2800 3977 837 6360 3980 862 6580 220 2800 2 3978 850 6450 3981 873 6670 220 2800 3977 846 6420 3981 869 6640 220 2800 3978 860 6530 3982 883 6750 220 INRLPY 12 09 4086921 01 ee
54. A 78 80 82 82 82 82 82 HE standard DCPX only for configurations with enlarged fans M 80 82 82 82 standard DUALCHILLER Simplified control system to switch on and off and command two chillers using Aermec command in a single system as if they were a single unit Control system to switch the individual chillers on and off and command them in system in which several units are installed in parallel always ensuring a constant delivery to the evaporators The water accumulators with holes and supplementary electric heaters leave the factory with plastic protection caps Before loading the system if the installation of an electric heater is not envisaged it is compulsory to replace the plastic caps with the special TRX1 FACTORY ASSEMBLED ACCESSORY Pressure switch with manual reset using a tool electrically connected in series to the high pressure switch on the compressor delivery pipe FACTORY ASSEMBLED ACCESSORY Pressure switch with manual reset using a tool electrically connected in series to the high pressure switch on the compressor delivery pipe 12 INRLPY 12 09 4086921 01 5 STARTING CURRENT REDUCTION PRESENCE OF DRE ACCESSORIES SINGLE CIRCUIT DOUBLE CIRCUIT FOUR CIRCUIT FIVE CIRCUIT SIX CIRCUIT TECHNICAL DATA 6 1 TECHNICAL DATA
55. L 3000 A E H 02 3916 891 7490 3832 1023 9010 1520 NRL 3000 A E H 03 3927 874 7340 3840 1012 8860 1520 NRL 3000 A E H 04 3916 891 7490 3832 1023 9010 1520 NRL 3000 A E H 3988 833 6990 3991 856 7220 230 NRL 3000 A E H P2 3989 851 7140 3992 873 7370 230 NRL 3000 A E H P3 3988 833 6990 3991 856 7220 230 NRL 3000 A E H P4 3989 846 7100 3992 868 7330 230 3300 00 5436 810 7710 5439 813 7780 70 3300 01 5389 885 8420 5318 1006 9950 1530 NRL 3300 02 5381 899 8570 5311 1016 10100 1530 NRL 3300 03 5386 891 8480 5315 1010 10010 1530 3300 04 53 4 910 8690 5306 1024 10220 1530 3300 5441 850 8070 5445 869 8310 240 NRL 3300 A E H P2 5442 865 8220 5447 884 8460 240 NRL 3300 A E H P3 5441 856 8130 5446 875 8370 240 NRL 3300 A E H P4 5443 873 8300 5448 892 8540 240 NRL 3600 00 5439 821 7980 5442 824 8050 70 NRL 3600 A E H 01 5393 893 8690 5323 1010 10220 1530 NRL 3600 A E H 02 5385 907 8840 5317 1020 10370 1530 NRL 3600 A E H 03 5390 898 8750 5321 1014 10280 1530 NRL 3600 A E H 04 5378 917 8960 5312 1027 10490 1530 NRL 3600 A E H 5443 859 8340 5448 878 8580 240 NRL 3600 A E H P2 5445 874 8490 5449 892 8730 240 NRL 3600 A E H P3 5444 865 8400 5448 883 8640 240 NRL 3600 A E H 5446 882 8570 5450 899 8810 240 INRLPY 12 09 4086921_01
56. NRL 2800 A E H 03 3918 884 6900 3828 1027 8420 1520 NRL 2800 A E H 04 3907 901 7050 3820 1038 8570 1520 NRL 2800 A E H 3983 832 6490 3986 856 6720 230 2800 P2 3983 844 6580 3987 867 6810 230 NRL 2800 A E H P3 3983 840 6550 3987 864 6780 230 NRL 2800 A E H P4 3984 854 6660 3988 877 6890 230 INRLPY 12 09 4086921 01 PERCENTAGE OF WEIGHT DISTRIBUTION SUPPORTS 76 Model 1 2 3 4 5 6 7 8 10 11 12 US 76 YA YA 7 76 NRL 2000 00 10 2 7 6 10 5 8 0 8 7 15 0 7 4 12 7 767 NRL 2000 01 13 7 4 4 13 6 4 2 13 2 139 8 3 8 7 768 NRL 2000 02 13 8 4 3 13 7 41 13 3 13 8 8 3 8 6 s 768 NRL 2000 03 13 8 4 3 13 6 4 2 13 3 13 8 8 3 8 6 5 768 NRL 2000 A E H 04 14 076 4 276 13 876 4 076 13 5 13 8 8 3 8 5 768 NRL 2000 A E H 11 0 6 3 11 5 7 1 10 0 14 9 7 8 1 6 769 NRL 2000 2 11 1 6 1 11 6 6 7 10 2 14 8 7 8 1 4 769 NRL 2000 A E H P3 11 176 6 276 11 676 6 976 10 1 14 8 7 8 1 4 769 NRL 2000 11 2 5 9 11 8 6 8 10 4 14 8 7 9 1 2 769 NRL 2250 A E H 00 9 376 5 976 9 676 6 476 5 4 9 2 8 5 4 6 4 1 7 0 773 2250 01 12
57. VERSIONS A E EUM Cooling output 542 25 644 4 7 874 E 596 al 5 216 86000 94260 102510 113180 126250 140700 149980 Total pressure drops gt gt m Energy indices ELECTRICAL DATA Fuel feed 400 3 50Hz m Input current Maximum current Peak current m imi COMPRESSORS SCROLL Number Circuit FANS AXIAL Quantity no 8 10 12 12 12 16 16 140400 176400 212400 208200 204000 266000 244000 105300 126990 148680 150840 153000 192300 183000 Air flow Input power Input current Useful heads 1 Quontily Water connections in out diam QAM HYDRAULIC CIRCUIT A Accumulator capacity No l E 2x 700 Accumulator antifreeze heater Expansion tank capacity 1 The useful heads refer to the nominal air flow rate The water connections are all of the Victaulic type For size 2250 3 connections are envisaged for module 1000 and 4 connections for module 1250 for the version 00 INRLPY 12 09 4086921 01 13 2000 2250 2500 2800 3000 3300 3600 LOW HEAD CIRCULATION PUMP 7 4 3 7 4 8 Input power 15 4 77 48 Input current 12 4 6 2 8 1 85 103 9 6 13 0 22 0 94 13 0 22 0 82 Useful 104 118 HIGH HEAD CIRCULATION
58. a omnipolar thermomagnetic switch in compliance with the CEI EN standards contact opening of at least 3 mm with adequate switch capability and differential protection based on the followed electrical data table installed as close as possible to the machine It is necessary to carry out an efficient earth connection The manufacturer can be held responsible for any damage caused by the failure and ineffective earthing of the machine For units with three phase power check the correct connection of the phases WARNING Itis forbidden to use water pipes forthe earthing ofthe machine All electrical operations must be carried out BY QUALIFIED PERSONNEL IN ACCORDANCE WITH THE CORRESPONDING REGULATIONS trained and informed about the risks related to such operations The characteristics of electric lines and related components must be established by PERSONNEL AUTHORISED TO 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 For installation requirements the wiring layout supplied with the unit must be compulsory referred to The wiring layout together with the manuals must be kept in good conditions and readily ACCESSIBLE FOR FUTURE OPERATIONS ON THE UNIT It is compulsory to check the machine sealing before connecting the
59. ator Water filter before the recovery exchanger The units with desuperheater D or total recovery T are not available in the versions YD UT KT only for temperature lower than 49 only for temperature lower than 4 23 QUIET CONDENSER UNITS CL The NRL C condenser units are not available in the versions HC condenser heat pump condenser units with total recovery DC condenser units with desuperheater Mechanical thermostatic valve Y version Y this is the version that allows you to produce chilled water below the standard value of 4 to a minimum of 6 C For lower values contact the company headquarters Danger GAS R410A The refrigerant circuit is under steam High temperatures are also possible The unit may only be opened by a service technician SAT or by an authorised technician The operations in the cooling circuit can only be performed by a qualified refrigeration technician The chiller is delivered with the correct refrigerant load The R410A is free of chlorine it is not flammable and does not harm the ozone layer However any interventions are always competence of the technical service assistance SAT or an authorised technician INRLPY 12 09 4086921 01 7 8 2 4 CONFIGURATOR 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 NRL 200 0 A 00 1 2 3 NRL
60. be placed pay attention to the following points support surface must be able to withstand the weight of the unit safety distance between the units and other equipment or structures must be strictly respected so that the air in fans inlet and outlet circulates freely The unit must be installed by an authorised technician in compliance with the national laws in the country of destination respecting the minimum technical spaces to allow maintenance 20 POSITIONING The machine is delivered from the factory wrappedi in estincoil Before moving the unit check the lifting capacity of the machines used Once the packaging has been removed the unit must be handled by qualified personnel with the suitable equipment To handle the machine see figure hookup the lifting belts to the 20 1 MINIMUM TECHNICAL SPACES mm The unit must be installed by an authorised and qualified technician in Before starting any kind of work it is necessary TO READ CAREFULLY THE ENS compliance with the national legislation in force in the country of destination MD 329 2004 We shall be held responsible for any damage whatsoever resulting from the non compliance with these instructions INSTRUCTIONS AND TO PERFORM THE SAFETY CHECKS TO REDUCE ANY RISK TO A MINIMUM the personnel in charge must know the operations and possible risks That may arise when all the unit installation operations b
61. cumulator with pumping unit The presence of more than one scroll type compressor allows the NRL chillers various capacity controls of the cooling capacity By means of a microprocessor the electronic regulation controls and manages all the components and working parameters of the unit an internal memory registers the working conditions in the moment when an alarm condition arises in order to visualise it on the display 2 1 MODELS AVAILABLE COOLING ONLY E maximum external temperature allowed 46 C processed water temperature 18 HEAT PUMP HA in cooling mode the operating limits arrive to a maximum external air temperature of 46 C processed water temperature 18 inheating mode the operating limits arrive at a maximum external air temperature of 42 C processed water temperature 55 do not offer the following configurations with processed water temperature lower than 4 condenser heat pump 2 2 VERSIONS AVAILABLE HEAT RECOVERY UNITS with desuperheater included in series D WARNING in the heat pump versions the desuperheater must be intercepted during heat pump operation otherwise the guarantee will no longer be considered valid Total heat recovery T With plate type exchanger inserted in parallel with the coils Both versions D T use hot gas bypass device upstream from the evapor
62. d 54 ridere ga 54 EMPTYING the Syste 54 Electrical 57 Recommended section of electric cobles 57 Electrical power connection 58 Auxiliary connections at the user installer expense58 Connection to the power supply 58 Control and first start up sasagaran na a ena Preparation for commissioning First commissioning of the machine SEASON changeovar s esset irent nae FUNCTIONING chareacterisfics rere torte 60 COOLING ER 60 Heating set PONT aa eerte 60 Compressor Jeldy tees e teet 60 60 Antifreeze alan cerno cinese 60 Water flow rate qlaqrm 60 Regular mqintenqance 60 Extraordinary maintenance eret 60 AERMEC S p A AERM 37040 Bevilacqua VR Italy Via Roma IA Tel 39 0442 633111 e air conditioning Telefax 0442 93730 39 0442 93566 www aermec com info aermec com SERIAL NUMBER CONFORMITY DECLARATION We the undersigned declare on our own exclusive responsibility that the object in question so defined NAME NRL TYPE AIR WATER CHILLER HEAT PUMP MODEL and to which this declaration refers complies with the following stan
63. d 92 31 concerning electromagnetic compatibility Low Voltage Directive LVD 2006 95 EC DOOR BLOCK DISCONNECTING SWITCH IT is possible to access the electrical panel by disconnecting the voltage then using the opening lever of the panel itself This lever can be blocked with one or more podlocks during maintenance in order to prevent the machine being powered up accidentally CONTROL KEYPAD Provides full control functions For a detailed description refer to the user manual Remote control panel PR3 This allows the chiller command operations to be given from a distance compressor protection thermomagnetic switch fan protection thermomagnetic switch auxiliary protection thermomagnetic switch discharge gas temperature control thermostat ELECTRONIC REGULATION MICROPROCESSOR CARD Consisting of a management control card and a visualisation card Functions carried out adjustment of water temperature at evaporator inlet with thermostat control for up to 4 levels and integral proportional fan speed control with DCPX accessory compressor start up delay compressor sequence rotation count of compressor work hours start stop reset permanent alarms memory autostart after voltage drop multi lingual messages operation with local or remote control Machine status display ON OFF compressors dlarms summary Alarm management high pressure flow switch
64. d hygroscopic material able to trap impurities and any traces of humidity in the chiller circuit Sight glass For checking the refrigerating gas load and any humidity in the refrigerating circuit Thermostatic valve The mechanical type valve with outside equaliser on the evaporator outlet modulates the gas flow to the evaporator on the basis of the thermal load in such a way as to ensure the proper degree of overheating of the intake gas Electronic valve optional Liquid and discharge taps cooling only versions They allow the refrigerant to be cut off during extraordinary maintenance Solenoid valve The valve 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 defrosting cycle Cycle reversing valve heat pump only Inverts the flow of refrigerant when operation is switched between summer winter and during defrosting cycles Non return valve Allows the flow of refrigerant in one direction only Desuperheater only upon request Of the plate type AISI 316 externally insulated with closed cell material to reduce thermal dispersion Total recovery only upon request Of the plate type AISI 316 externally insulated with closed cell material to reduce thermal dispersion 3 1 FRAME AND FANS Fan unit Screw type statically and dynamically ba
65. dardised regulations CEI EN 60335 2 40 Safety regulation regarding electric heat pumps air conditioners and dehumidifiers CEI EN 61000 6 1 CEI EN 61000 6 3 CEI EN 61000 6 2 CEI EN 61000 6 4 Electromagnetic immunity and emission in residential environment Electromagnetic immunity and emission in industrial environment EN378 Refrigerating system and heat pumps Safety and environmental requirements UNI EN 12735 Round welding free copper pipes for air conditioning and cooling UNI EN 14276 Pressure equipment for refrigerating systems and heat pumps thus meeting the essential requisites of the following directives LV 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 product meets the Total Quality Warranty procedure module H with certificate no 06 270 QT3664 Rev 3 issued by the notified body 1131 CEC via Pisacane 46 Legnano MI Italy The person authorized to compile the technical file is Massimiliano Sfragara 37040 Bevilacqua VR Italy Via Roma 996 Bevilacqua 28 12 2009 Marketing Director Signature Got 1 GENERAL WARNINGS Standards and directives to be followed in the design and manufacture of the unit Safety system Machine Directive 2006 42 EC Low voltage directive LVD 2006 95 EC Electromagnetic compatibility directive EMC 2004
66. down to 20 C outside temperature and tank water temperature 5 assembled as standard and commanded from the card via an antifreeze sensor inserted in the tank Drain valve all versions 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 Filling assembly versions with accumulator This has a pressure gauge showing the pressure in the system Expansion tank versions with accumulator Of the membrane type with nitrogen pre charge circuit safety valve only for versions with pump or with accumulator Calibrated to 6 bar and with ductable discharge it releases overpressure in the event of abnormal working pressure levels 3 3 SAFETY AND CONTROL COMPONENTS Low pressure switch BP Cooling only Of fixed calibration located on the low pressure side of the refrigerating circuit it stops the operation of the compressor in the event of anomalous work pressures High pressure switch AP Cooling only A E Heat pump HA HE With fixed calibration placed on the high pressure side of the chiller circuit it shuts down compressor operation in the case of abnormal operating pressure Low pressure transducers TP2 Standard for all the versions Placed on the high pressure side of the chiller circuit it communicates to the control card the operating pressure sending a pre alarm
67. ed out correctly Tightening of all electrical and hydraulic connections have been well carried out 24 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 handle down fig 3 Press the key ON to start the machine fig 4 when the access LED appears the unit is ready for the operation 24 3 SEASON CHANGEOVER Foreach seasonal change check that the operation conditions return to the limit Check that the absorption current of the compressor is less than the maximum indicated in the technical data table Check in the models with three phase supply power that the noise level of the compressor is not abnormal in this case invert a phase Make sure that the voltage value are within the prefixed limits and that the displacements between the three phases three phase supply power do not get above 3 24 3 1 Season change of the panel on the machine To activate the season change just press the indicated key in fig 5 To ensure that the operation is successful machine must be active as remote or local For further information refer to the USE manual 24 3 2 Season change of PR3 Just act directly on the switch The machine turns off automatically and it restarts with the selected operation mode LED access ATERWIEC A
68. egin provided eyebolts asindicated in to allow REGULAR AND figure EXTRAORDINARY MAINTENANCE WARNING ALWAYS USE ALL THE INTERVENTIONS PROVIDED EYEBOLTS Fasten the unit by checking carefully that its on the same level check that easy access to the hydraulic and electric part is allowed 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 is therefore advisable to install anti vibration supports AVX accessories fitting them to the holes in the base according to the assembly diagram It is compulsory to provide the necessary technical spaces 1 m ALWAYS USE ALL THE PROVIDED EYEBOLTS INRLPY 12 09 4086921 01 33 20 2 DIMENSIONAL TABLES NRL 2000 STANDARD DESUPERHEATER water connections
69. electrical wiring The machine should only be powered once the hydraulic and electric operations are completed 23 1 ELECTRIC CABLES RECOMMENDED SECTION OF The cable sections indicated in the table are advised for a maximum length of 50 m Cable sections recommended max length 50m NRL BASE 2000 2250 2500 2800 3000 3300 3600 No power supplies 1 1 1 Versions 00 00 00 00 00 00 00 SECT mm 2x185 2x240 3x240 3x240 3x240 4x185 4x185 Earth mm 1x185 1x240 2x185 2x185 2x185 2x185 2x185 no conductors sect for each phase IL 630 630 630 800 800 800 800 Cable sections recommended length 50m NRL WITH PUMP 2000 2250 2500 No power supplies 1 1 1 Versions with hydronic kit with hydronic kit with hydronic kit SECT A mm 2x240 3x185 3x240 Earth mm 1 185 1 240 2 185 conductors sect for each phase 630 630 630 Cable sections recommended max length 50m NRL WITH PUMP 2800 3000 3300 3600 No power supplies 1 1 1 1 Versions with hydronic kit with hydronic kit with hydronic kit with hydronic kit SECT A mm 3x240 4x185 4x185 4x185 Earth
70. he cooling capacity Cc is obtained from the difference between recovery heating capacity Cr and input power Ip The nominal value refers to air temperature at the desuperheater 50 Af 5 Using total recovery is only allowed the cooling operation The units with total recovery T are not available in the versions CORRECTION COEFFICIENTS OF THE RECOVERED HEATING CAPACITY 35 40 45 50 55 12 Processed water temperature 17 0 9 0 8 CORRECTING COEFFICIENTS OF INPUT POWER WITH RECOVERY 35 C YT 1 only for temperature lower than 4 07 5 8 7 8 8 10 11 12 13 14 15 16 17 18 Processed water temperature 16 1 1 NRL T EE 2000 2250 2500 2800 3000 3300 3600 Heat capacity recovered kW 712 774 836 952 1068 1161 1254 Total input power kW 197 213 230 263 295 320 345 Water flow rate recovery
71. heck that the water system load restore tap is closed Open the tap outside the machine and all the vent valves of system and the corresponding terminals of prolonged shut down of the unit during winter if not added with glycol or for other inconveniences drain the chiller hydraulic circuit by the corresponding knobs see 1 and fig 2 If the system uses glycol this liquid should not be drained to the environment because itis a pollutant It must be collected if possible reused The drawings are only examples of the machine hydraulic circuit Evaporators plate type exchangers Expansion tank Flow switch Pumps Filter In addition to the filter victaulic and welded pipesare provided CHILLER HYDRAULIC CIRCUIT DRAIN TAP ONLY PUMP VERSIONS The drawings are only examples of the machine hydraulic circuit INRLPY 12 09 4086921 01 55 56 The drawings are only examples of the machine hydraulic circuit K 1 Evaporator plate type exchangers 2 Expansion tank 3 Accumulator 4 Pumps 5 Filter In addition to the filter victaulic and welded pipesare provided CHILLER HYDRAULIC CIRCUIT DRAIN TAP VERSIONS WITH ACCUMULATOR The drawings are only examples of the machine hydraulic circuit f
72. ig 2 Foro per resistenze NB for all sizes with the pre installation of the additional resistance the water flow will be reversed according to the standard version fig 3 The tank is then set downstream of the heat exchanger see fig 3 INRLPY 12 09 4086921_01 23 ELECTRICAL WIRINGS The default NRL chillers are completely wired and only need the connection to the power supply net downstream to a group switch according to the to the regulations in force in the country where the machine is installed It is also suggested to check the mains supply characteristics to ensure it is suitable for the levels indicated in the electrical data table also taking into consideration any other equipment that may be operating at the same time The unit is only powered after the last hydraulic and electric installations Follow the connections instructions of the phase conductors and earth The power line will have a special protection upstream against short circuits and earth losses that sections the system according to other users The voltage should be within a tolerance of 1076 of the rated supply voltage of the machine for three phase units displacement max 376 between the phases If these parameters are not respected contact the energy supplier For electrical wirings use isolated double cables according to the standards in force in the different countries It is necessary to use
73. itions other than rated conditions are obtained by multiplying the rated values Pf Pa by the respective correction coefficients Cf 08 The following diagrams allow you to 07 obtain the correction coefficients to 68 be used for the various versions of the devices in cold mode next to each curve you can see the outside air o i 2 A A EE Z Wa Se temperature to which refers Processed water C 40 C Cf 46 C 0 5 CORRECTION COEFFICIENTS OF THE INPUT POWER COOLING MODE correction coefficient of the 14 cooling correction coefficient of the input power 35 30 C FOR At DIFFERENT FROM 5 C For the evaporator use Tab 10 4 1 to obtain the corrective factors of the cooling and absorbed power To take into account the exchanger soiling apply the relative fouling factors Tab 10 4 2 25 C 20 C Ca cooling mode 6 4 2 0 2 4 5 8 10 12 14 16 18 Processed woler CORRECTIVE COEFFICIENT OF THE COOLING CAPACITY VERSION C 1 6 20 25 30 C 35 C Cf 26 0 7 0 6 0 5
74. lanced The electric fans are protected electrically with thermomagnetic switches and mechanically with metal anti intrusion grilles in accordance with the standard CEI EN 60335 2 40 Enlarged fans M These offer a useful head to overcome the pressure drops in the system Inverter fans J Load bearing structure Made of hot galvanised steel sheet of a suitable thickness varnished with polyester powders able to resist atmospheric agents over time 32 HYDRAULIC COMPO NENTS Circulation pump Depending on the characteristics of the pump chosen it offers a useful head to overcome the pressure drops in the system There is also the possibility to have reserve pump The reserve pump is managed by the electronic card Flow switch installed as standard This checks that the water is circulating If this is not the case it shuts down the unit Water filter installed as standard Allows you to block and eliminate any impurities in the hydraulic circuits Inside it has a filtering mesh with holes not greater than one millimetre It is essential for avoiding serious damage to the plate type exchanger INRLPY 12 09 4086921_01 9 Accumulator tank In stainless steel with a 700 litre capacity In order to reduce the thermal dispersion and eliminate the phenomenon of the formation of condensation it is insulated with polyurethane material of a suitable thickness One antifreeze electric heater of 300W
75. lefax 39 0442 93730 39 0442 93566 www aermec com SY recycled paper IGM C AS papier recycl Ee The technical data in the fol AERMEC COMPANY QUALITY SYSTEM recycled papier owing documentation are not binding Aermec reserves the right to make all the modifications considered necessary for improving the product at any time
76. mming for each day of the week AERWEB30 AERWEB30 the AERWEB device allows the remote control of a chiller from common PC using a serial connection Using additional modu es the device allows the chiller to be controlled via the telephone line using the AERMODEM accessory or via the GSM network using the AERMODEM GSM accessory AERWEB can pilot up to 9 chillers but each of these must be equipped with accessory AER485 or AER485P2 INRLPY 12 09 4086921 01 11 20 225 250 20 30 30 30 Current rephoser 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 order is placed RIFNRL2000 RIFNRL2250 RIFNRL2500 RIFNRL2800 RIFNRL3000 RIFNRL3300 RIFNRL3600 RIFNRL2000 RIFNRL2250 RIFNRL2500 RIFNRL2800 RIFNRL3000 RIFNRL3300 3600 This accessory allows correct operation with outside temperatures below 10 and down to 10 It is made up of an electronic regulation card that varies the fan rpm on the basis of the condensation pressure read by the high pressure transducer to keep it sufficiently high for the proper functioning of the unit It also allows correct heating operation with outside temperatures greater than 30 and up to 42 A 78 79 81 81 81 82 82 E standard H
77. n the winter function Under these conditions the unit a 15 function is possible only for a short 5 5 10 time in order to bring the system up Processed water temperature to right temperature To reduce the time of this operation a three way valve allowing to by 9 2 HEATING MODE pass the water from the supply to the system should be fitted until The conditions enabling the unit to operate within the permitted operating limits are reached Outside air temperature d b 15 18 KEY Operation with glycol Processed water temperature 801 Operation with glycol with 15 10 5 0 5 10 15 20 25 30 35 40 accessory Outside qir temperqture d b NB In the versions with accumulator 09 10 the operating limits in cold warm modes are reduced to 3 C Standard operation with 9 3 CONDENSER UNIT OPERATION DCPX accessory Standard operation Outside air temperature d b 15 T T T T T T T T I 6 4 2 0 4 6 8 10 12 14 15 Evaporation temperature 18 INRLPY 12 09 4086921 01 10 CORRECTION FACTORS 10 1 COOLING CAPACITY AND CORRECTION COEFFICIENTS OF THE COOLING CAPACITY INPUT POWER A 1 20 HIGH EFFICIENCY VERSIONS 15 _ 14 The refrigerating capacity yielded 13 TE and the input electrical capacity zA in cond
78. point on the other curve 15 DESUPERHEATER The heating capacity that can be obtained from the desuperheater is obtained by multiplying the nominal value Pd shown in table 15 1 1 by a suitable coefficient 2 50 DESUPERHEATER CORRECTION COEFFICIENTS The diagrams will give you the correction coefficients to be used for the chillers in 200 the various versions next to each curve you can see the outside air temperature T to which it refers aso In the heat pump versions the desuperheater must be intercepted 6 45 during heat pump operation otherwise ame the guarantee will no longer be 9 2 considered volid 20 0 00 14 2 PRESSURE DROPS za gt Processed water temperature at the desuperheater At 5 C The NRL models with desuperheater from size 2800 to 3600 have 4 desuperheaters placed in parallel 2 to 2 NB the characteristics of the desuperheaters and the pressure drop curves are shown DESUPERHEATER PRESSURE DROPS below 200 For processed water temperatures different from 50 the result obtained uem is multiplied by the correction factor that T 160 can be obtained from Table 15
79. r temperature 50 external air temperature 7 C D B 6 C W B INRLPY 12 09 4086921 01 25 14 GLYCOL The cooling capacity and input power correction factors make allowance for the presence of glycol and the different evaporation temperature The pressure drop correction factor already takes account of the different flow rate deriving from the application of the water flow rate correction factor The correction factor of the water flow rate is calculated so as to maintain the same At that would be used in the absence of glycol NOTE To make it easier to read the following graph an example is given By using the diagram below it possible to establish the percentage of glycol necessary this percentage can be calculated taking into account one of the following factors On the basis of the fluid considered water or air it will be necessary to enter the graph from the right or left side from the intersection of the outside air temperature or processed water temperature straight lines and the relative curves a point is obtained through which the vertical line that will identify both the percentage of glycol and the relative correction coefficients will have to pass FcGDpF a FcGDpF b FcGDpF c FoGDpF d FcGDpF 1 30 1160 FcGGF 120 o FcGG 1080
80. re disconnecting the unit from the power supply Check for voltage before operating Periodic maintenance is essential to maintain the unit in perfect working order under the functional as well as the energetic aspect Therefore it is essential to provide yeorly controls for the 26 6 1 Hydraulic circuit CONTROL Water circuit filling Water filter cleaning Flow switch control Air in the circuit leaks That the water flow rate to the evaporator is always constant The hydraulic piping thermal insulation state Where provided the percentage of glycol 26 6 2 Electric circuit CONTROL 60 Efficiency of safety devices Electrical power supply Electrical power consumption Connections tightened Function of the compressor housing resistance INRLPY 12 09 4086921_01 25 5 ANTI FREEZE ALARM The anti freeze alarm is active as if the machine is turned off or if the machine is in standby mode In order to prevent breakage of the plate type exchanger due to freezing water contained the compressor is locked if the machine is turned on under 4 and the resistance starts up if standby below 5 If the temperature detected by the probe in the exchanger output and in the chiller input is below 4 C WARNING THE ANTI FREEZE SET TEMPERATURE CAN BE VARIED ONLY BY AN AUTHORISED SERVICE CENTRE AND ONLY AFTER VERIFYING THATIN THE WATER CIRCUITIS AN ANTIFREEZE SOLUTION The intervention of thi
81. re calculated on the basis of cooling with water at 10 The pressure drops include EVAPORATORS WATER FILTERS HYDRAULIC CIRCUITS The diagram pressure drops are related to an average water temperature of 10 C The following table shows the correction to NB The wateroutlet probe WOP with its trap isfree nearthe electrical box remember to insert it in the collector of the outlet hydraulic parallel using a sleeve of Yinch apply to the pressure 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 HYDRAULIC PARALLEL IS IN CHARGE OF THE CUSTOMER OR THE OR THE PERSON IN CHARGE TOTAL COOLING PRESSURE DROP D 2 6 0 20000 40000 60000 80000 100000 120000 140000 160000 180000 200000 220000 240000 260000 280000 300000 Water flow rate USEFUL HEAD LOW HEAD COOL A E 250 200 150 100 50 0 20000 40000 100000 120000 140000 160000 60000 80000 180000 200000 Water flow rate INRLPY 12 09 4086921 01 21 22 USEFUL HEAD HIGH HEAD COOL VERSIONS
82. rk according to the technical code of practice and in compliance with he legislation in force in the country of destination MD 329 2004 Before connecting the pipes make sure that hey do not contain stones sand rust slag or any foreign bodies that may damage the system It is necessary to make a by poss to he unit to be able to carry out the cleaning of the pipes without having to disconnect he machine The connection pipes must be properly supported so as not to burden the unit with their weight On the water circuit it is advisable to install the following instruments if not foreseen in the version you have 1 Two pressure gauges of suitable size input and output section 2 Twoanti vibration couplings input and output section The drawings are only examples of the machine hydraulic circuit INRLPY 12 09 4086921_01 3 Two shut off valves normal input section output section calibrating valve 4 Two thermometers input and output section Expansion tanks Pump Accumulation Flow switch Safety valve 0 Charging unit 1 Chiller drain tap in the tube output evaporator for standard version NB In case of version with pumping unit without standby pump is recommended to install unidirectional valves to the delivery of each module So water reflow is avoided in the circuit of the pump s from the other circ uit 2155 297002416536 NRL 2250 model with pumping uni
83. s alarm sets the compressor block and not of the pump which remains active and the resistance starts up if installed For the restoration of the normal functions of the temperature of the water output have to come back over 4 C the reset is manual 26 6 3 Chiller circuit CONTROL Compressor conditions Efficiency of the plate type exchanger resistance Working pressure Loss test for the control of the sealing of the refrigerant circuit Function of high and low pressure switches Perform the necessary checks on the filter drier to verify their efficiency 26 6 4 Mechanical controls CONTROL The screws compressors and the electric box of the unit external panelling are properly tightened If they are poorly tightened they produce abnormal noise and vibrations The structure conditions If necessary treat oxidised parts with paints suitable for eliminating or reducing oxidation 27 EXTRAORDINARY MAINTENANCE The NRL are loaded with R410A gas and tested in the factory In normal conditions no Technical Assistance Service operation is needed for the refrigerant gas check Along time however small leaks from the joints may be generated Due to these WARNING ATANY INTERVENTIONS OF THIS ALARM ITIS REC OMMENDED TO IMMEDIATELY CONTACT THE NEAREST TECHNICAL SERVICE ASSISTANCE 25 6 WATER FLOW RATE ALARM The GR3 provides the management of a water flow rate alarm commanded from
84. stalled in such a way as to make all maintenance and or repair operations possible SEE INSTALLER SECTION page 33 The warranty of the device does not in any case cover costs owing to ladder trucks lifts or other lifting systems that may be required in order to carry out the interventions under guarantee Do not modify or tamper the with chiller as this may cause dangerous situations and the manufacturer shall not be liable for any damages The warranty shall not be valid if the indications mentioned above are not observed 12 SAFETY PRECAUTIONS AND INSTALLATION THE CHILLER MUST BE INSTALLED BY AN AUTHORISED AND QUALIFIED TECHNICIAN IN COMPLIANCE WITH THE NATIONAL LEGISLATION IN FORCE IN THE COUNTRY OF DESTINATION MD 329 2004 Aermec shall not be held responsible for any damage whatsoever resulting from the non compliance with these instructions Before starting any kind of work it is necessary TO READ CAREFULLY THE INSTRUCTIONS AND TO PERFORM THE SAFETY CHECKS TO AVOID ANY RISKS All the personnel in charge must know the operations and the risks that may arise when all the unit installation operations begin 2 DESCRIPTION AND CHOICE OF THE UNIT The NRL is a range designed to produce cold water for technological systems IT is constructed according to the size of several cooling and hydraulic circuits and depending on the version may have desuperheaters total recovery pumping unit only or ac
85. t it isrecommended the installation to the delivery of the module 1250 of a capacity balance valve to balance the capacities between the two evaporators module 1000 and 1250 It is necessary that the water flow rate to the chiller unit complies with the values reported in the performance tables The systems loaded with anti freeze or specific regulations need the water backflow system Special supply recovery water is carried out with appropriate treatment systems 22 2 SYSTEM LOAD Before starting the load check that the system drain tap is closed Open all the drain valves of the system and of the related terminals 3 Flow switch NB Evaporator plate type exchangers 2 Water filter 1 x circuit SUPPLIED In addition to the filter victaulic and welded pipesare provided Open the shut off devices of the system Start the filling by slowly opening the water system load cock placed outside the machine When water begins to flow from the terminal vent valves close them and continue loading up to read on the gauge the value of 1 5 bar The system is loaded at a pressure between 1 and 2 bar It is advisable to repeat this operation once the machine has worked for some hours and to periodically check the system pressure restoring if it drops below 1 bar Check the hydraulic seal of the joints 22 3 EMPTYING THE SYSTEM Before starting to drain the system turn off the unit C
86. t it to the disconnecting switch terminals observing the phase and the earth 89 2 23 3 AUXILIARY CONNECTIONS AT THE USER INSTALLER EXPENSE The terminals indicated in future 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 conditions and readily ACCESSIBLE FOR FUTURE OPERATIONS ON THE UNIT 23 3 1 Auxiliary switch IAD To prepare the auxiliary switch connect the device to the clamp 4 of the control board M7 SC and to the clamp 4 of the remote panel OD Gi amp mn 23 3 2 Pump contactor 01 02 To prepare the pump contactor connect he device CPOI to the clamp 2 of the control board M16 SC and the device 2 o the clamp 4 and 6 of the control board 1 552 23 3 3 External alarm EA To prepare an external alarm device connect the device contact to the clamp and 2 of the control board M17 23 3 4 Connection PR3 standard Connect the remote panel PR3 to the control board M7 SC as shown below remember that the maximum allowed distance is 50 m THE PR3 CONNECTED MUST BE ENABLED AS WELL See next procedure CONNECTION REMOTE PANEL PR3 COMANDO A DISTANZA REMOTE CONTROL M7 SC 6 5 4 3 2 1 000000 j 6x0 5 50

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