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AERMEC NRL 280-75, Техническое руководство

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6

Aermec 13_01. 5641300_00

NRL 0280-0750 60Hz

EN

Standards and Directives respected on 
designing and constructing the unit:

PROTECTION RATING

1. IP 

24 

ACOUSTIC PART:

1. ISO 

DIS 

9614/2 

INTENSIMETRIC METHOD

2. SOUND 

POWER 

EN ISO 9614 2

3. SOUND 

PRESSURE 

(EN ISO 3744)

REFRIGERANT GAS:
This unit contains fluoride gases with 
greenhouse effect covered by the 
Kyoto Protocol. Maintenance and 
disposal must only be performed by 
qualified staff.

STANDARD:
UL 1995 

Heating and cooling equipment.

ANSI/NFPA 

Standard 70 National Electrical code 
(N.E.C.).

CSA C.22.1.- C.22.2 

Safety Standard Electrical Installation.

Chillers and heat pumps for outdoor condensed in the 
air with R410A Series NRL  have been designed and 
manufactured to satisfy heating and cooling needs 
and the production of domestic hot water (DHW) in 
medium to small commercial or residential buildings.

Maximum reliability

The presence of several scroll compressors allows NRL 
chillers various partialisations of the cooling capacity.

 

Models:
1. 

NRL "°" standard chiller

2. 

NRL "H" heat pump *

3. 

NRL "C" motocondensing

The versions can be in different set-ups at the same 
time in order to satisfy a wide range of plant enginee-
ring solutions:

1. 

"A" HIGH EFFICIENCY

2. 

"E" SILENCED HIGH EFFICIENCY

3. 

"D" WITH DESUPERHEATER

4. 

"T" WITH TOTAL RECOVERY

Configurations not allowed:

YD / YT / YH
HT / HC
TC / DC

1. 

DESCRIPTION AND CHOCE OF UNIT

*   Possibility of production of D.H.W. 
-  only "I" version (fan speed modulating for condensation control).
- VMF
- AER485

2. 

 CHECK LIST

COMPONENTS

VERSIONS

COOLING CIRCUIT

°

H

C

D

T

THERMOSTATIC VALVE X   Y  CONFIGURATION OPTION

yes

yes

no

no

no

EXCHANGER PLATE  EVAPORATOR

yes

yes

no

yes

yes

EXCHANGER PLATE  TOTAL RECOVERY

no

no

no

no

yes

EXCHANGER PLATE  DESUPERHEATER  no

no

no

yes

no

AIR SIDE EXCHANGE

yes

yes

yes

yes

yes

COMPRESSOR

yes

yes

yes

yes

yes

DEHYDRATOR FILTER

yes

yes

yes

yes

yes

HIGH PRESSURE SWITCH

yes

yes

yes

yes

yes

LOW PRESSURE SWITCH

no

no

no

no

no

HIGH PRESSURE TRANSDUCER

yes

yes

yes

yes

yes

LOW PRESSURE TRANSDUCER

yes

yes

yes

yes

yes

LIQUID INDICATOR

yes

yes

yes

yes

yes

LIQUID TANK

no

yes

no

no

yes

ONE WAY VALVES

no

yes

no

no

yes

LIQUID SEPARATOR

no

yes

no

no

yes

CYCLE REVERSE VALVE

no

yes

no

no

yes

Содержание NRL 280-75

Страница 1: ...TECHNICAL MANUAL 60Hz 60Hz 13_01 5641300_00 NRL 280 750 CHILLER REVERSIBLE HEAT PUMP EXTERNAL UNIT HIGH EFFICENCY HOT WATER PRODUCING UP TO 131 F 55 C POWER SUPPLY 60Hz EN ...

Страница 2: ......

Страница 3: ... of many years of expe rience and in depth engineering research and it is built using top quality materials and advanced technologies In addition the CE mark guarantees that our appliances fully comply with the requirements of the European Machinery Directive in terms of safety We constantly monitor the quality level of our products and as a result they are synonymous with Safety Quality and Relia...

Страница 4: ... version A E 14 8 Technical data HA HE version 17 9 Opera on limit 21 9 1 Cooling mode 21 9 2 Hea ng mode 21 9 3 Project data 21 10 Correc ve factors 22 10 1 Input power and cooling capacity standard version heat pump version in cooling mode 22 10 2 Hea ng capacity and input power 23 10 3 For t different to the nominal 23 10 4 Deposit factors 23 11 Pressure drop 24 11 1 System side total pressure d...

Страница 5: ...5 Aermec 13_01 5641300_00 NRL 0280 0750 60Hz EN ...

Страница 6: ...dels 1 NRL standard chiller 2 NRL H heat pump 3 NRL C motocondensing The versions can be in different set ups at the same time in order to satisfy a wide range of plant enginee ring solutions 1 A HIGH EFFICIENCY 2 E SILENCED HIGH EFFICIENCY 3 D WITH DESUPERHEATER 4 T WITH TOTAL RECOVERY Configurations not allowed YD YT YH HT HC TC DC 1 DESCRIPTION AND CHOCE OF UNIT Possibility of production of D H...

Страница 7: ...iency not available for size 028 035 E High efficiency low noise data on demand for size 050 075 12 COILS Alluminium R Copper S Copper tin plated V Epoxy coated 13 FANS Standard I Fan speed modulating for condensation control 14 SUPPLY 6 230 3 60 With magnet circuit breakers 7 460 3 60 With magnet circuit breakers 8 575 3 60 With magnet circuit breakers 15 16 HYDRONIC KIT 00 Without hydronic kit 0...

Страница 8: ...V IDL IDL HPT HPS LPT CP CP LPT BHE HPT HPS TEV F F CN KEY BHE EXCHANGER PLATE CN AIR SIDE EXCHANGE CP COMPRESSOR F DEHYDRATOR FILTER HPS HIGH PRESSURE SWITCH HPT HIGH PRESSURE TRANSDUCER IDL LIQUID INDICATOR LPT LOW PRESSURE TRANSDUCER 4 1 NRL COOLING CIRCUIT ONLY COOLING ...

Страница 9: ...TEV TEV F AL F CV CV AL CP CV KEY AL LIQUID TANK BHE EXCHANGER PLATE CN AIR SIDE EXCHANGE CP COMPRESSOR CV ONE WAY VALVES F DEHYDRATOR FILTER HPS HIGH PRESSURE SWITCH HPT HIGH PRESSURE TRANSDUCER IDL LIQUID INDICATOR LPT LOW PRESSURE TRANSDUCER LS LIQUID SEPARATOR VIC CYCLE INVERSION VALVE 4 2 NRL COOLING CIRCUIT HEAT PUMP ...

Страница 10: ...VE ONLY HEATING RECOVERY VERSION By passes the thermostatic valve during the defrosting cycle 5 2 FRAME AND FANS SUPPORT FRAME Load bearing structure Made of hot galvanised steel sheet of a suitable thickness varnished with polyester powders able to resist atmospheric agents over time VENTILATION UNIT Axial fan balanced statically and dynamically The electric fans are protected electrically by mag...

Страница 11: ...g gas temperature e External air temperature heat pumps cooling only with DCPX and probe f Pressure delivery heat pumps g Intake pressure heat pumps h Temperature error sum of the proportional and integral error i Stand by times for start up switch off of the compressor Alarms management a Low pressure b High pressure primary alarm switch directly blocks supply to compressor c High discharge tempe...

Страница 12: ...ision systems with MODBUS protocol DRE It allows the reduction of peak power necessary for the machine during start up phase Accessories can only be fitted in the factory DUALCHILLER Simplified control system to switch on and off and command two chillers using Aermec GR3 command in a single system as if they were a single unit MULTICHILLER Control system to switch the individual chillers on and of...

Страница 13: ...V p s i 16 13 19 17 16 15 E 575V p s i 23 22 21 17 Useful head with HIGH PUMP A 575V p s i 25 24 30 28 27 32 E 575V p s i 29 29 28 24 ENERGETIC INDEX EER A Alls BTU h W 9 88 9 92 10 08 9 85 9 91 9 79 E Alls BTU h W 10 22 10 28 10 28 10 14 IPLV Alls BTU h W 13 42 13 42 13 46 13 42 14 72 14 86 15 51 15 06 14 65 14 21 PROTECTION RATING IP 24 24 24 24 24 24 24 24 24 24 ELECTRICAL DATA Alimentation V p...

Страница 14: ...0 50 53 79 MODELS WITH LOW PUMP L R A A 575V A 140 148 138 174 191 218 E 575V A 96 99 103 140 M C A A 575V A 59 66 75 93 110 119 E 575V A 31 37 41 58 M O P A 575V A 81 88 90 115 132 146 E 575V A 42 51 55 81 MODELS WITH HIGH PUMP L R A A 575V A 142 149 139 175 191 220 E 575V A 96 100 103 140 M C A A 575V A 61 68 76 94 110 121 E 575V A 32 38 41 59 M O P A 575V A 83 90 91 116 132 147 E 575V A 43 52 5...

Страница 15: ... E dB A 42 43 45 46 Sound power A dB A 83 84 85 86 86 86 E dB A 74 75 77 78 CHARGES the reported data can be amended any time aermec considers it necessary Refrigerant R410A A E C1 Kg lb 6 6 14 55 8 6 18 96 8 5 18 74 12 3 27 12 12 5 27 56 16 6 36 60 18 0 39 68 18 0 39 68 23 8 52 47 24 0 52 91 A E C2 Kg lb 6 6 14 55 8 6 18 96 8 5 18 74 12 3 27 12 12 5 27 56 16 6 36 60 18 0 39 68 18 0 39 68 23 8 52 ...

Страница 16: ...with LOW PUMP HA 230V 460V kW 33 32 39 53 46 90 53 24 61 10 64 35 HE 230V 460V kW 17 49 20 49 22 80 29 86 Total power input with HIGH PUMP HA 230V 460V kW 33 33 40 89 47 70 54 04 61 10 65 35 HE 230V 460V kW 18 43 21 43 23 74 30 80 Total power input with LOW PUMP HA 575V kW 32 58 38 79 46 90 53 24 61 10 64 35 HE 575V kW 17 18 20 18 22 49 29 55 Total power input with HIGH PUMP HA 575V kW 32 98 39 89...

Страница 17: ...A 382 395 378 459 501 552 HE 230V A 234 285 291 372 HA 460V A 193 204 203 233 244 277 HE 460V A 124 151 157 187 M C A HA 230V A 153 166 185 230 272 290 HE 230V A 82 92 98 143 HA 460V A 74 85 103 114 125 134 HE 460V A 42 51 57 68 M O P HA 230V A 211 223 222 287 330 352 HE 230V A 112 129 136 201 HA 460V A 99 110 123 139 150 164 HE 460V A 56 71 77 93 Model WITH HIGH PUMP L R A HA 230V A 382 395 380 4...

Страница 18: ... A 42 51 55 81 MODELS WITH HIGH PUMP L R A HA 575V A 142 149 139 175 191 223 HE 575V A 96 100 103 140 M C A HA 575V A 61 68 76 94 110 124 HE 575V A 32 38 41 59 M O P HA 575V A 83 90 91 116 132 150 HE 575V A 43 52 56 81 SCROLL COMPRESSOR Quantity circuits n n 2 2 2 2 2 2 2 2 3 2 3 2 4 2 4 2 4 2 4 2 SYSTEM SIDE EXCHANGER Exchanger capacity HA HE gal 1 7 1 7 2 2 2 9 3 4 4 1 4 1 4 8 4 8 4 4 Hydraulic ...

Страница 19: ...78 75 75 77 78 78 79 HEATING FUNCTIONING Sound pressure ALL dB A 42 44 45 46 51 52 53 54 54 55 Sound power ALL dB A 74 76 77 78 83 84 85 86 86 87 CHARGE THE DATA REPORTED CAN BE CHANGED AT ANY TIME IF DEEMED NECESSARY FROM AERMEC Refrigerant R410A HA C1 kg lb 12 1 26 68 15 0 33 7 15 0 33 7 17 5 38 58 17 0 38 48 17 5 34 14 26 0 57 32 26 0 57 32 26 0 57 32 44 0 97 HE C2 kg lb 12 1 26 68 15 0 33 7 15...

Страница 20: ... C F F 14 5 4 23 32 41 50 59 59 68 68 77 77 86 86 95 95 104 104 113 113 122 122 131 140 42 C 107 6 F 15 C 5 F 55 C 131 F STANDARD STANDARD functioning functioning Functioning Functioning with DCPX with DCPX accessory accessory REFRIGERANT SIDE High pressure side Low pressure side Acceptable maximum pressure bar PSI 45 653 30 435 Acceptable maximum temperature C F 120 248 51 131 Acceptable minimum ...

Страница 21: ... input power 0 6 0 7 0 8 0 9 1 1 1 1 2 1 3 1 4 4 6 2 0 2 4 6 6 7 8 10 12 14 16 18 40 C 104 F 45 C 113 F 46 C 114 8 F 35 C 95 F 30 C 86 F 25 C 77 F 20 C 68 F 39 2 21 2 28 4 32 35 6 39 2 42 8 44 1 46 4 50 53 6 57 2 60 8 64 4 C F Ca in cooling Water produced INPUT POWER IN COOLING MODE CORRECTIVE COEFFICIENTS Cf 0 4 0 5 0 6 0 7 0 8 0 9 1 1 1 1 2 1 3 1 4 1 5 1 6 6 4 2 0 2 4 6 6 7 8 10 12 14 16 18 39 2...

Страница 22: ...8 21 24 27 30 C 5 10 15 8 21 2 26 6 32 37 4 42 8 48 2 53 6 59 64 4 69 8 75 2 80 6 86 F 1 0 7 44 6 External air temperature HEATING CAPACITY CORRECTIVE COEFFICIENTS FOR t DIFFERENT TO THE NOMINAL FROM 10 01 F 5 56 C For t different from 10 01 F 5 56 C at the evaporator use Tab 10 3 1 to obtain the correction factors of the cooling capacity and input power In order to consider exchanger dirtying use...

Страница 23: ... 95 0 93 0 91 Average water temperature F C 41 5 50 10 59 15 68 20 86 30 104 40 122 50 Coefficients 1 02 1 0 98 0 97 0 95 0 93 0 91 Average water temperature F C 73 4 23 82 4 28 91 4 33 100 4 38 109 4 43 118 4 48 127 4 53 136 4 58 Coefficients 1 04 1 03 1 02 1 01 1 00 0 99 0 98 0 97 11 3 SYSTEM SIDE TOTAL PRESSURE DROP HEAT PUMP IN HEATING MODE PRESSURE DROP 0 5000 10000 15000 20000 25000 30000 35...

Страница 24: ...9 12 15 17 20 23 26 29 p s i 0 22 44 66 88 110 132 154 176 gpm 1 2 3 4 5 6 7 8 1 NRL 280 2 NRL 300 3 NRL 330 NRL 350 4 NRL 500 5 NRL 550 6 NRL 600 7 NRL 650 8 NRL 700 NRL 750 0 20 40 60 80 100 120 140 160 180 200 kPa 0 3 6 9 12 15 17 20 23 26 29 p s i 0 5000 10000 15000 20000 25000 30000 35000 40000 l h 0 22 44 66 88 110 132 154 176 gpm 1 2 3 4 5 6 7 8 1 NRL 280 2 NRL 300 3 NRL 330 NRL 350 4 NRL 5...

Страница 25: ...RL 600 7 NRL 650 8 NRL 700 9 NRL 750 0 50 100 150 200 250 300 350 kPa 0 7 15 22 29 36 44 51 p s i 0 5000 10000 15000 20000 25000 30000 35000 40000 45000 l h 0 22 44 66 88 110 132 154 176 198 gpm 1 2 3 4 5 6 7 8 9 1 NRL 280 2 NRL 300 3 NRL 330 NRL 350 4 NRL 500 5 NRL 550 6 NRL 600 7 NRL 650 8 NRL 700 9 NRL 750 12 3 ONLY COOLING HIGH PUMP USEFUL HEADS NRL 280 750 60HZ 230V 460V 12 4 ONLY COOLING HIG...

Страница 26: ...00 40000 l h 0 50 100 150 200 kPa 0 7 15 22 29 p s i 0 22 44 66 88 110 132 154 176 gpm 1 2 3 4 5 6 7 8 9 12 6 HEAT PUMP LOW PUMP USEFUL HEADS NRL 280 750 60HZ 575V 1 NRL 280 NRL 300 2 NRL 330 3 NRL 350 4 NRL 500 5 NRL 550 6 NRL 600 7 NRL 650 8 NRL 700 9 NRL 750 0 5000 10000 15000 20000 25000 30000 35000 40000 l h 0 50 100 150 200 kPa 0 7 15 22 29 p s i gpm 0 22 44 66 88 110 132 154 176 1 2 3 4 5 6...

Страница 27: ...0 6 NRL 600 7 NRL 650 NRL 700 8 NRL 750 0 5000 10000 15000 20000 25000 30000 35000 40000 45000 l s 0 50 100 150 200 250 300 350 kPa 0 7 15 22 29 36 44 51 p s i gpm 0 22 44 66 88 110 132 154 176 198 1 2 3 4 5 6 7 8 1 NRL 280 2 NRL 300 3 NRL 330 NRL 350 4 NRL 500 5 NRL 550 6 NRL 600 7 NRL 650 NRL 700 8 NRL 750 12 7 HEAT PUMP HIGH PUMP USEFUL HEADS NRL 280 750 60HZ 230V 460V 12 8 HEAT PUMP HIGH PUMP ...

Страница 28: ... percentage value recommended to produce desired water tempe rature is on the lower axis 2 If you wish to calculate the percentage of glycol on the basis of the temperature of the water produced enter from the right axis and on rea ching the curve draw a ver cal line which in turn will intercept all the other curves the points ob tained from the upper curves represent the coef ficients for the cor...

Страница 29: ...e charging the ex pansion tank is 1 5 bar and the volume is 25 litres 6 6 gallon Maximum value 6 bar The tank must be calibrated according to the maximum difference in height H of the device see figure according to the formula p calibration bar H m 10 2 0 3 For example if the level difference H is 20m the calibration value of the tank will be 2 3 bar If the calibration value obtained from the calc...

Страница 30: ...3 100 HEATING CAPACITY 1 2 3 4 0280 50 100 0300 50 100 0330 50 100 0350 50 100 0500 35 70 100 0550 31 63 100 0600 23 48 73 100 0650 25 47 75 100 0700 23 48 73 100 0750 25 47 75 100 POWER INPUT 1 2 3 4 0280 45 100 0300 45 100 0330 45 100 0350 45 100 0500 30 65 100 0550 26 58 100 0600 20 45 70 100 0650 23 45 73 100 0700 20 45 70 100 0750 23 47 73 100 HEATING AHRI CONDITIONS Inlet water temperature 4...

Страница 31: ... 46 58 66 7 68 6 69 6 70 8 72 4 66 7 63 0 750 HE 79 47 59 67 9 69 9 70 8 71 8 73 2 67 5 63 9 COOLING ONLY 280 E 74 42 54 72 2 61 1 66 4 63 5 61 0 50 0 43 7 300 E 75 43 55 73 0 62 5 67 5 64 4 62 5 51 2 45 0 330 E 77 45 57 75 1 64 0 69 1 66 3 64 1 53 3 46 8 350 E 78 46 58 76 1 65 0 70 1 67 6 64 6 55 0 47 1 500 A 83 51 63 69 1 70 8 75 0 77 7 77 5 75 1 64 8 550 A 84 52 64 70 1 71 9 77 0 79 5 78 5 74 0...

Страница 32: ...re band within which the compressors are activated and deactivated 3 C 5 4 10 C 18 5 C 10 Autostart Auto NRL 0280 NRL 0300 NRL 0330 NRL 0350 NRL 0500 NRL 0550 NRL 0600 NRL 0650 NRL 0700 NRL 0750 HIGH PRESSURE PRESSURE SWITCH MANUAL REARM PA psi bar 580 40 580 40 580 40 580 40 580 40 580 40 580 40 580 40 580 40 580 40 HIGH PRESSURE TRANSDUCER TAP psi bar 566 39 566 39 566 39 566 39 566 39 566 39 56...

Страница 33: ... 48 0 A 7 8 A 460V LOW PUMP CP1 23 0 A 2 3 A HIGH PUMP CP2 23 0 A 3 9 A 575V LOW PUMP CP1 19 0 A 1 9 A HIGH PUMP CP2 19 0 A 2 5 A NRL 0350 220V LOW PUMP CP1 54 5 A 4 6 A Fixed 8A HIGH PUMP CP2 54 5 A 7 8 A 460V LOW PUMP CP1 26 0 A 2 3 A HIGH PUMP CP2 26 0 A 3 9 A 575V LOW PUMP CP1 23 0 A 1 9 A HIGH PUMP CP2 23 0 A 2 5 A NRL 0500 220V LOW PUMP CP1 35 0 A 6 0 A 2 x 7 2 A CP1A 35 0 A HIGH PUMP CP2 54...

Страница 34: ...3 0 A 5 8 A CP2A 26 0 A 575V LOW PUMP CP1 19 0 A 3 5 A 3 x 3 7 A CP1A 23 0 A HIGH PUMP CP2 19 0 A 4 6 A CP2A 23 0 A NRL 0700 220V LOW PUMP CP1 54 5 A 11 5 A 3 x 7 2 A CP1A 54 5 A HIGH PUMP CP2 54 5 A 11 5 A CP2A 54 5 A 460V LOW PUMP CP1 26 0 A 5 8 A 3 x 4 2 A CP1A 26 0 A HIGH PUMP CP2 26 0 A 5 8 A CP2A 26 0 A 575V LOW PUMP CP1 23 0 A 4 6 A 3 x 3 7 A CP1A 23 0 A HIGH PUMP CP2 23 0 A 4 6 A CP2A 23 0...

Страница 35: ...35 Aermec 13_01 5641300_00 NRL 0280 0750 60Hz EN ...

Страница 36: ...re not binding Aermec reserves the right to make any changes at any time deemed necessary for product improvement AERMEC S p A 37040 Bevilacqua VR Italy Via Roma 996 Tel 39 0442 633111 Telefax 0442 93730 39 0442 93566 www aermec com info aermec com ...

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