Home

NRP 800-1800 60Hz Technical Manual

1. 20 15 10 5 0 5 10 15 20 25 30 35 40 45 L 42 BE L 113 5 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 80 85 90 95 100 105 110 EXTERNAL AIR TEMPERATURE d b INRP260HZTY 1312 5806717_03 11 CORRECTIVE FACTORS FOR DATA DIFFERENT THAN NOMINAL IN COOLING MODE 11 1 COOLING CAPACITY AND INPUT POWER The refrigerating capacity yielded and the input elec trical capacity in conditions other than rated conditions are obtained by multiplying the rated values Pc Pa by the respective correction coefficients Cf Ca The diagram allows you to obtain the correction coefficients corresponding to each curve the temperature of the cold processed water referred to is reported assuming a difference in water temperature between the input and output of the condenser equal to 5 C 10 F KEY Pc Cooling capacity Pa Input power Cf Cooling capacity correction coefficient Ca Input power correction coefficient 11 2 FOR AT DIFFERENT FROM THE RA TED VALUE For At different from 5K refer to Tab At DIFFERENT FROM NOMINAL At 5 for the cooling capacity and input power correction factors At DIFFERENT FROM NOMINAL At 5 3 5 8 10 Cooling capacity 0 99 1 1 02 1 03 Input power 0 99 1 11 01 1 02 11 3 FOULING FACTORS The performance levels indicated in table FOUL ING FACTOR K M W refer to conditions with clean tubes with a fouling factor 1 For value
2. INRP260HZTY 1312 5806717_03 23 13 USEFUL STATIC PRESSURES 2 4 PIPE SYSTEM 13 1 LOW STATIC PRESSURE PUMPS IN COOLING MODE SYSTEM SIDE 120000 PSI kPa 55 3 380 50 2 300 40 14 200 20 1 J 100 10 g 0 TTTTTTTTTITTTITTTTTITTI TTTTTTT TITTTITI TTTTTTTTT ITTTTTTTTITITITITIT TTTTTTITTITTTTTTTIT 20000 30000 40000 50000 60000 70000 80000 90000 100000 110000 TTE PE TT FF AE ET EFFE ERC ETF TT tT 88 188 288 388 488 528 13 2 HIGH STATIC PRESSURE PUMPS IN COOLING MODE SYSTEM SIDE PSI kPa 55 4 380 50 3 300 40 4 30 200 20 2 100 10 4 Pe 20000 30000 40000 50000 60000 70000 80000 90000 100000 110000 T T T T T T T T T T T T T T T T T T I T T T T T T T T T T T T T T T T T T T T T 1 88 188 288 388 488 528 120000 Key NRP 0800 0900 1000 1250 1400 1500 1800 l h gpm Key NRP 0800 0900 1000 1250 1400 1500 1650 1800 l h gpm 24 INRP260HZTY 1312 5806717_03 13 3 LOW STATIC PRESSURE PUMPS IN COOLING MODE RECOVERY MODE PSI kPa 55 J 380 J 50 J Key 1 NRP Se 200 0800 0900 3 J 1000 1 _ 1250 1500 30 4 1650 3 J 1800 20 J 100 A 10 J o o 4 20000 30000 40000 50000 60000 70000 80000 90000 10
3. AERMEC a air conditioning Rs485 A Z NN RY al 2 93 MULTIPURPOSE UNITS FOR 2 4 PIPE SYSTEMS Technical manual NRP 0800 1800 REVERSIBLE HEAT PUMPS e DESIGNED FOR 2 AND 4 PIPE SYSTEMS FOR EXTERNAL INSTALLATION e OUTDOOR UNIT e HIGH EFFICIENCIES AERMEC lt w cu P N c US 180 9001 2008 Cert n 0128 L ISTED cale 5418 7 1 7 0 3 Intertek Dear Customer Thank you for choosing an AERMEC product This product is the result of many years of experience and in depth engineering research and it is built using top quality materials and advanced technologies In addition the EC 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 Reliability Product data may be subject to modifications deemed necessary for improving the product without the obligation to give prior notice Thank you again AERMEC S p A AERMEC S p A reserves the right to make any modifications considered necessary to improve its products at any moment and is not obliged to add these modifications to machines that have already been fabricated delivered or are under construction INDEX 1 1 1 2 1 3 1 4 3 1 3 2 7 1 7 2 7 3 7 4 K 7 6 8 1 8 2 10 10 1 10 2 11 11 1 11 2 11 3
4. 32 8ft 3 3ft 800 A 89 57 69 834 789 813 830 777 730 629 900 A 92 60 72 864 819 843 860 807 760 65 9 1000 A 93 61 73 859 824 856 869 843 801 699 1250 A 94 62 74 861 879 873 885 864 800 67 1 1400 A 95 63 75 889 854 868 910 842 760 669 1500 A 96 64 76 909 854 878 900 852 77 5 68 9 1650 A 96 64 76 889 879 893 910 862 780 68 9 1800 A 96 64 76 879 884 893 91 5 852 760 679 INRP260HZTY 1312 5806717 03 19 CONTROL AND SAFETY PARAMETERS CALIBRATION COOLING SET Min Max Default Water inlet temperature in cooling mode 10 C 14 F 20 C 68 F 7 C 44 6 F HEATING SET Min Max Default Inlet water temperature in heating functioning mode 30 C 86 F 55 C 131 F 50 C 122 F ANTI FREEZE INTERVENTION Min Max Default Intervention temperature of the anti freeze alarm on the EV side water outlet temperature 15 C 5 F 4 C 39 2 F 3 C 37 4 F TOTAL DIFFERENTIAL Min Max Default Proportional temperature band within which the compressors are activated and deactivated 3 C 5 4 10 C 18 5 C 10 Autostart Auto NRP U M 0800 0900 1000 1250 1400 1500 1650 1800 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 HIGH PRESSURE TRANSDUCER TAP psi bar 566 39 566 39 566 39 566 39 566 39 566 39
5. AERWEB300 18 ALL e H D AERWEB300 6G ALL e H e AERWEB300 18G ALL e H e Please contact us INRP260HZTY 1312 5806717 03 9 TECHNICAL DATA Model COOLING MODE 0800 0900 1000 1250 1400 1500 1650 1800 Cooling capacity Input power Water flow rate Total pressure drops SYSTEM SIDE Available static pressure Low static pressure pump Available static pressure High static pressure pump HEATING MODE Heating capacity 738278 830351 928369 1178567 1338583 1498599 1594589 1689276 Input power 70 91 79 71 87 11 111 92 126 32 140 72 149 92 158 92 Water flow rate 163 85 184 29 206 04 261 57 297 09 332 60 353 90 374 92 Pressure drops SYSTEM SIDE VERS 2 PIPES 16 37 13 89 13 69 10 67 12 95 7 43 13 42 11 61 Pressure drops DHW SIDE SYSTEM SIDE ENERGY INDEX 33 26 30 37 29 62 24 82 29 56 22 62 35 70 33 91 EER COP DHW SIDE SYSTEM SIDE DHW side production of domestic hot water in 2 pipe systems System side production of hot water in 4 pipe systems COOLING CONDITIONS AHRI STANDARD System water outlet 6 7 C 44 06 F System water flow 0 043 ls per kW External air temperature 35 C 95 F INRP260HZTY 1312 5806717 03 HEATING CONDITIONS DHW System water inlet 4
6. Not avaiable System System 2 pipe 4 pipe GE Heatin System DHW Cooling side side g STANDARD HYDRAULIC CIRCUIT ON ALL VERSIONS Filter Supplied No Supplied No Flow switch As per standard No As per standard No VERSIONS WITH PUMPS ONLY the more complete versions are described Filter As per standard As per standard As per standard As per standard Pump s As per standard As per standard As per standard As per standard Drain valve As per standard As per standard As per standard As per standard Air vent valve As per standard As per standard As per standard As per standard Expansion vessels 2x25 I As per standard As per standard As per standard As per standard INRP260HZTY 1312 5806717_03 5 4 1 DESCRIPTION AND CHOICE OF THE UNIT Field 123 Code NRP 4567 Size 0800 0900 1000 1250 1400 1500 1650 1800 8 Version A High efficiency E Silenced high efficiency data on demand for sizes 0800 1800 9 Type of system 2 2 pipe system cooling DHW heating 4 4 pipe system cooling heating 10 Coil s Aluminium R Copper S Tinned copper V Coated aluminium epoxy paint 11 Fan I Inverter 12 Power 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 13 14 System side hydronc kit 00 Without hydronic kit P1 Single low head pump P2 Single low head pump and reserve pump P3 Single high head pump P4 Single high head pump and res
7. 1250 25 49 75 100 z NRL 1400 22 43 62 81 100 NRL 1500 16 33 48 65 83 100 NRL 1650 18 36 53 69 85 100 NRL 1800 16 33 48 65 83 100 POWER INPUT 12 22 32 42 52 62 NRL 0800 21 44 71 100 S NRL 0900 23 47 73 100 NRL 1000 21 44 71 100 e 7 NRL 1250 21 44 71 100 NRL 1400 20 37 56 79 100 5 NRL 1500 12 26 41 59 79 100 NRL 1650 14 29 46 63 81 100 NRL 1800 12 26 41 59 79 100 INRP260HZTY 1312 5806717_03 21 THERMOMAGNETIC MODEL NRL 0800 NRL 0900 NRL 1000 NRL 1250 NRL 1400 NRL 1500 NRL 1650 NRL 1800 SEN COMPRESSOR PUMP FAN POWER SUPPLY TYPE COMPRESSOR THERMOMAGNETIC THERMOMAGNETIC THERMOMAGNETIC LOW PUMP CP1 CP1A 59A 11 5A 4x7 2ASF HIGH PUMP CP2 CP2A 59A 14 5 A 6x7 2APC LOW PUMP CP1 CP1A 30 4A 5 8A 4x7 2ASF 460V HIGH PUMP CP2 CP2A 30 4A 7 2A 6x4 2 APC Geer LOW PUMP CP1 CP1A 27 5A 4 6A 4x3 7 ASF HIGH PUMP CP2 CP2A 27 5A 5 8A 6x3 7 APC aa LOW PUMP CP1 CP1A 59A 11 5A 4x7 2 A SF HIGH PUMP CP2 CP2A 82 5 A 19 5 A 6x7 2 A PC SS LOW PUMP CP1 CP1A 30 4A 5 8A 4x4 2 ASF HIGH PUMP CP2 CP2A 40 5 A 9 7A 6x4 2APC LOW PUMP CP1 CP1A 27 5A 4 6A 4x3 7 ASF HIGH PUMP CP2 CP2A 32 3A 7 7A 6x 3 7 APC W LOW PUMP CP1 CP1A 82 5A 11 5A 4x7 2ASF HIGH PUMP CP2 CP2A 82 5 A 19 5 A 6x7 2APC nm LOW PUMP CP1 CP1A 40 5 A 5 8 A 4x 4 2 ASF HIGH PUMP CP2 CP2A 40 5 A 9 7A
8. 566 39 566 39 LOW PRESSURE TRANSDUCER TBP psi bar 29 2 29 2 29 2 29 2 29 2 29 2 29 2 29 2 COOLING CIRCUIT SAFETY VALVES AP High pressure psi bar 653 45 653 45 653 45 653 45 653 45 653 45 653 45 653 45 BP Low pressure psi bar 435 30 435 30 435 30 435 30 435 30 435 30 435 30 435 30 INRP260HZTY 1312 5806717_03 29 30 20 PART LOAD HEATING AHRI CONDITIONS Inlet water temperature Outlet water temperature External air temperature COOLING AHRI CONDITIONS Outlet water temperature Flow rate External temperature 40 C 104 F 45 C 113 F 7 C_44 6 F B S 6 C_42 8 F B U 6 7 C 44 6 F 0 0431 s per kW 35 C 95 F NRP LEVELS OF POWER COOLING CAPACITY 12 22 32 42 52 62 NRL 0800 25 50 75 100 NRL 0900 27 53 77 100 3 7 NRL 1000 25 50 75 100 s NRL 1250 25 50 75 100 NRL 1400 23 44 63 82 100 z NRL 1500 17 34 50 67 84 100 NRL 1650 19 37 55 71 86 100 NRL 1800 17 34 50 67 84 100 POWER INPUT 19 22 32 42 52 62 NRL 0800 21 44 71 100 E z NRL 0900 23 47 73 100 NRL 1000 21 44 71 100 a NRL 1250 21 44 71 100 S NRL 1400 18 37 56 77 100 NRL 1500 12 26 41 59 79 100 NRL 1650 14 29 46 63 81 100 NRL 1800 12 26 41 59 79 100 HEATING CAPACITY 12 22 32 492 52 62 NRL 0800 25 49 75 100 NRL 0900 27 52 77 100 S a NRL 1000 25 49 75 100 NRL
9. TO DHW DHW SYSTEM SUPP DHW SYSTEM H O Description Operation SYSTEM SIDE heat Not running exchanger 2 DHW SIDE heat ex CONDENSATION changer DHW production SOURCE SIDE heat EVAPORATION exchanger Heat exchange with air 2 CIRCUITS TO PRODUCE COLD WATER TO SYSTEM AND HOT WATER TO DHW DHW SYSTEM SUPPLY H O Description Operation Key IDL Liquid indicator 1 SYSTEM SIDE heat EVAPORATION 1 System side heat exchanger HPT High pressure transducer exchanger Cold water production 2 DHW side heat exchanger HPS High pressure switch 2 DHW SIDE heat ex CONDENSATION 3 Source side heat exchanger LPT Low pressure transducer changer DHW production AL Liquid storage tank LS Liquid separator 3 SOURCE SIDE heat Not running CV One way valve TEV Thermostatic valves exchanger F Dehydrator filter VIC Cycle reversing valves INRP260HZTY 1312 5806717_03 CIRCUIT FOR PRODUCING HOT WATER TO SYSTEM CIRCUIT FOR PRODUCING HOT WATER TO DHW DHW SYSTEM SUPPLY HO H O SYSTEM Description Operation 4 RETORN Description Operation DHW SIDE heat CONDENSATION 1 SYSTEM SIDE heat CONDENSATION exchanger DHW production exchanger Hot water production SOURCE SIDE heat EVAPORATION SYSTEM SIDE heat EVAPORATION exchanger Heat exchange with air exchanger Heat exchange with air 6 BASIC OPERATING LAYOUT FOR 4 PIPE SYSTEM COLD
10. cold and hot water and fully independent Any contractual or extracontractual liability of the Company is excluded for injury damage to persons animals or objects owing to installation regulation and maintenance errors or improper use All uses not expressly indicated in this manual are prohibited 1 1 PRESERVATION OF THE DOCUMENTATION The instructions along with all the related documentation must be given to the user of the system who assumes the responsibility to conserve the instructions so that they are always at hand in case of need Read this sheet carefully the execution of all works must be performed by qualified staff according to Standards in force on this subject in different countries Ministerial Decree 329 2004 1 2 INSTALLATION The unit must be installed in such a way that maintenance and or repairs can be carried out 2 PRODUCT IDENTIFICATION 1 3 WARRANTY The appliance warranty does not cover the costs for ladder trucks scaffolding or other elevation systems that may become necessary for carrying out servicing under warranty Do not modify or tamper with the unit as dangerous situations can be created and the manufacturer will not be liable for any damage caused The validity of the warranty shall be void in the event of failure to comply with the above mentioned indications LA WARNINGS REGARDING SAFETY AND INSTALLATION STANDARDS The unit must be installed by a qualified and suita
11. min 2 KEY 1 Check that highest installation is not higher than 55 metres 2 Ensure that lowest installation can withstand global pressure in that position 15 MINIMUM WATER CONTENT NRP U M 800 900 1000 1250 1400 1500 1650 1800 Number of compressors n 4 4 4 4 4 4 4 4 Minimum water content admitted COLD SIDE gal ton 6 50 6 50 6 50 6 50 6 50 6 50 6 50 6 50 Minimum water content admitted the HOT SIDE gal ton 6 50 6 50 6 50 6 50 6 50 6 50 6 50 6 50 Recommended water content COOLING SIDE HEATING SIDE gal ton 13 01 13 01 13 01 13 01 13 01 13 01 13 01 13 01 ATTENTION It is recommended to design systems with high water content minimum recommended values shown in table to limit 1 The hourly number of inversions between functioning modes 2 Decrease in water temperature during Winter defrost cycles INRP260HZTY 1312 5806717_03 16 ETHYLENE GLYCOL COOLING MODE CORRECTION FACTOR WITH ETHYLENE GLYCOL Freezing Point 37 34 6 44 47 2 Percent ethylene glycol 50 95 1 220 1 242 0 950 0 945 0 980 0 978 1 740 Freezing Point 37 34 6 1 849 44 47 2 Percent ethylene glycol 50 55 1 213 1 244 1 015 1 018 1 501 Qw Corrective factor of flow rates middle water temperatur 9 5 C 49 1 F Pc Corrective factor of coo
12. than 30 ppm DHW SIDE HEAT EXCHANGER 2 pipes HEATING SIDE SYSTEM 4 pipes Braze welded AISI 316 steel plate heat exchanger insulated externally with closed cell neoprene anti condensation material When the unit is not running it is protected against formation of ice inside by an electric resistance AIR SIDE COIL EXCHANGER Finned pack heat exchanger made with copper pipes and aluminium fins adequately spaced to ensure better heat exchange performance CYCLE REVERSING VALVE 2 PIPE 4 way cycle reversing valve Inverts the flow of refrigerant gas RECOVERY ENABLE VALVE 4 way valve enables the recovery heat exchanger LIQUID STORAGE TANK always passed by Compensates the difference in volume between finned coil and plate exchanger retaining excess liquid LIQUID SEPARATOR 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 INRP260HZTY 1312 5806717 03 DEHYDRATOR FILTER Hermetic mechanical with cartridges made of ceramic and hygroscopic material able to withhold impurities and any traces of humidity present in the cooling circuit ONE WAY VALVES Allows one way flow of the refrigerant THERMOSTATIC VALVES Two valves installed cooling mode and recovery mode Mechanical valves with external equaliser positioned at evaporator outlet modulates the flow of gas to the evaporator depending o
13. 0 C 104 F DHW System water outlet 45 C 113 F External air temperature d b w b 7 6 C 44 6 F 42 8 13 Model 0800 0900 1000 1250 1400 1500 1650 1800 TOTAL RECOVERY MODE Cooling capacity Recovered capacity Total input power TER Total Efficiency Ratio Water flow rate Evaporator Evaporator pressure drops SYSTEM SIDE Recovery water flow rate Recovery pressure drops DHW SIDE SYSTEM SIDE TOTAL RECOVERY MODE SYSTEM SIDE PUMP Available static pressure Low static pressure pump Available static pressure High static pressure pump TOTAL RECOVERY MODE DHW SYSTEM SIDE PUMP A Available static pressure A Low static pressure pump Available static pressure High static pressure pump 1 DHW SIDE SYSTEM SIDE DHW side production of domestic hot water in 2 pipe systems System side production of hot water in 4 pipe systems Q TOTAL RECOVERY CONDITIONS System heat exchanger Water outlet 6 7 C 44 06 F Water flow 0 043 l s per kW DHW System heat exchanger Water inlet 40 C 104 F Water outlet 45 C 113 F 14 INRP260HZTY 1312 5806717 03 Model ELECTRICAL DATA 230V 3 60HZ POWER SUPPLY 0800 0900 1000 1250 1400 1500 1650 1800 Input current cooling mode Input current total recovery mode Input current heating mode NO PUMP VERSION LRA MCA
14. 0000 110000 120000 l h ator ee TT AJ I SS 1 3 1 1 TY I CT tie TE TC T TTE FOTE TOTAL KEE 88 188 288 388 488 528 gpm 13 4 HIGH STATIC PRESSURE PUMPS IN COOLING MODE RECOVERY MODE PSI kPa 55 3 380 7 50 Key 2 al NRP E 300 0800 0900 40 1 1000 J 4 1250 1500 1 J 1650 1800 30 200 20 2 100 A 10 J 0 0 4 Sf in ee OD NO Ma e OKE 30000 40000 50000 60000 70000 80000 90000 100000 110000 120000 Up iCal RE TN AAA OT 1 1 1 ENZ LES SU NES EL TT ET TOT et TE TT TT Tt 88 188 288 388 488 528 gpm INRP260HZTY 1312 5806717_03 25 14 EXPANSION VESSEL CALIBRATION 14 1 EXPANSION VESSEL CALIBRATION H max 11 55m gt Standard pre load pressure value of the expansion vessel is 1 5bar 21 8PSI whereas volume is 24 litres Maximum pressure 6bar 87PSI Calibration of the vessel must be regulated using the maximum level difference H of the user see diagram by using the following formula p calibration bar H m 10 2 0 3 For example if level difference H is equal to 20m 65 6ft the calibration value of the vessel will be 2 3bar 33 4PSI If calibration value obtained from formula is less than 1 5bar 21 8PSI that is for H lt 12 25 keep calibration as standard Ptar H 10 2 0 3 lt H 12 25 m Ptar 1 5 bar d alU LU ms O D o 3 Ptar 1 5 bar H
15. 11 4 11 5 11 6 General warnings Preservation of the documentation Installation Warranty Warnings regarding safety and installation standards 4 Productiidentificatiom fette Eiere ege A E TEE 5 For 2 pipe SySteMIS isirsiriiiasa diirisi ineei aaie 5 For 4 pipe SYSTEM E 5 Ceck list Description and choice of the unit Basic operating layout for 2 pipe system 7 Basic operating layout for 4 pipe system 9 Description Of COMPONEN ss sister 11 Structure Cooling circuit Water features Standard hydraulic circuit Safety and control components 11 Electric control and power board 11 Accessories Mechanical accessories Electric accessories Technical data aa GAY A A ainda 13 Operational limits Cooling mode Heating mode in Corrective factors for data different than nominal in cooling mode 19 Cooling capacity and input power For At different from the rated value Fouling factors Heating capacity and input power For At different from the rated value Fouling factors 11 7 11 8 11 9 12 13 13 1 13 2 13 3 13 4 14 14 1 15 16 17 18 19 20 21 Corrective coefficients of recovered heating capacity For At different from the rated value Fouling TACKONS Hs sisa ciscscsassessscvassastassstvoresveastecctsvsstastavaaesobcasusnataieses Pressure ATOPiissasriraseenrrsesenspsinen
16. 34000 180000 180000 180000 180000 180000 Input power 230V 14 40 14 40 14 40 19 20 19 20 19 20 19 20 19 20 Input power 460 575V 15 36 15 36 15 36 20 48 20 48 20 48 20 48 20 48 Input current 230V 45 0 45 0 45 0 60 0 60 0 60 0 60 0 60 0 Input current 460V 23 4 23 4 23 4 31 2 31 2 31 2 31 2 31 2 Input current 575V 18 7 18 7 18 7 25 0 25 0 25 0 25 0 25 0 SYSTEM SIDE HEAT EXCHANGER Quantity Water content Water connections SYSTEM SIDE 2 AND 4 PIPES HYDRONIC KIT EXPANSION VESSEL Quantity expansion vessel Content expansion vessel Expansion vessel calibration LOW STATIC HEAD PUMP Input power Input current 230V Input current 460V Input current 575V HIGH STATIC HEAD PUMP Input power Input current 230V Input current 460V Input current 575V SAFETY VALVE Safety valve Safety valve INRP260HZTY 1312 5806717_03 Model 0800 0900 1000 1250 1400 1500 1650 1800 DHW SYSTEM SIDE HEAT EXCHANGER Quantity n 1 Total water content dm 20 0 Water connections inch 3 DHW SIDE 2 PIPES SYSTEM SIDE 4 PIPES HYDRONIC KIT EXPANSION VESSEL Expansion vessel Expansion vessel Expansion vessel calibration LOW STATIC HEAD PUM
17. 67 14 A B E 1 3 c EG 1 2 2 OO E du 11 LL Su 0 9 1 0 SE q GIF TB 0 8 96 07 0 6 0 5 15 13 11 9 7 5 3 1 1 3 5 7 9 11 13 15 17 19 21 23 25 27 2930 EF EEG FH EET NAT EEN JT TEA EE JAAA JAY EPP I 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 86 F EXTERNAL AIR TEMPERATURE d b A B c D E Condenser utput C 35 40 45 50 55 water temeprature 5 95 104 113 122 131 Pa TOTAL INPUT POWER 13 Z 12 E a E O D We 11 zu RQ 10 B 2 Z 09 ao ZE A 08 LU Ve S 0 7 15 13 11 9 7 5 3 1 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29L 30 za PPTIENTAT TOTEN PUJE EOT TOTEN 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 86 F EXTERNAL AIR TEMPERATURE d b A B c D E Condenser utput C 35 40 45 50 55 water temeprature e 95 104 113 122 131 INRP260HZTY 1312 5806717 03 Produced water temperature Produced water temperature CONDENSER CONDENSER 11 7 CORRECTIVE COEFFICIENTS OF RE COVERED HEATING CAPACITY The refrigerating capacity yielded and the input elec trical capacity in conditions other than rated conditions are obtained by multiplying the rated values Pc Pa by the respective correction coefficients Cf Ca The diagram allows you to obtain the correction coefficients corresponding to each curve the temperature of the hot processed water refer red to is reported assuming a difference in water temperature
18. 6x4 2APC m LOW PUMP CP1 CP1A 32 3A 4 6A 4x3 7 ASF HIGH PUMP CP2 CP2A 32 3A 7 7A 6 x 3 7 APC LOW PUMP CP1 CP1A 104 A 11 5 A 8x7 2ASF HIGH PUMP CP2 CP2A 104A 19 5 A 8x7 2 A PC WE LOW PUMP CP1 CP1A 51 5A 5 8A 8x 4 2 ASF HIGH PUMP CP2 CP2A 51 5A 9 7A 8x4 2APC m LOW PUMP CP1 CP1A 41 7A 4 6A 8 x3 7 ASF HIGH PUMP CP2 CP2A 41 7A 7 7A 8x3 7 APC e LOW PUMP CP1 CP1A 104A 14 5 A 8x7 2ASF HIGH PUMP CP2 CP2A CP2B 82 5 A 26 5 A 8x7 2A PC pm LOW PUMP CP1 CP1A 51 5A 7 2A 8x 4 2 ASF HIGH PUMP CP2 CP2A CP2B 40 5 A 13 2 A 8x4 2 A PC BS LOW PUMP CP1 CP1A 41 7A 5 8 A 8x 3 7 ASF HIGH PUMP CP2 CP2A CP2B 32 3A 10 6 A 8x3 7 APC SEN LOW PUMP CP1 CP1A CP1B 82 5 A 14 5 A 8x7 2 A SF HIGH PUMP CP2 CP2A CP2B 82 5 A 26 5 A 8x7 2A PC BS LOW PUMP CP1 CP1A CP1B 40 5 A 7 2A 8 x 4 2 ASF HIGH PUMP CP2 CP2A CP2B 40 5 A 13 2 A 8x4 2 A PC BS LOW PUMP CP1 CP1A CP1B 32 3A 5 8A 8x 3 7 ASF HIGH PUMP CP2 CP2A CP2B 32 3A 10 6 A 8x3 7 APC S LOW PUMP CP1 CP1A CP1B 82 5 A 19 5 A 8x7 2ASF HIGH PUMP CP2 CP2A CP2B 104 A 38 5 A 8x7 2 APC p LOW PUMP CP1 CP1A CP1B 40 5 A 9 7A 8x4 2 ASF HIGH PUMP CP2 CP2A CP2B 51 5 A 19 5 A 8x4 2 A PC SH LOW PUMP CP1 CP1A CP1B 32 3A 7 7A 8x 3 7 ASF HIGH PUMP CP2 CP2A CP2B 41 7A 15 4A 8x3 7 APC m LOW PUMP CP1 CP1A CP1B 104A 19 5A 8x7 2A SF HIGH PUMP CP2 CP2A CP2B 104A 38 5 A 8x7 2 APC ded LOW PUMP CP1 CP1A CP1B 51 5 A 9 7 A 8 x 4 2 A SF HIGH PUMP CP2 CP2A CP2B 51 5A 19 5 A 8x 4 2 A PC ES LOW PUMP CP1 CP1A CP1B 41 7A 7 7
19. 85P1 RS 485 interface for supervising systems with MODBUS protocol AERWEB300 Accessory AERWEB allows remote control of a chiller through a common PC and an ethernet connection over a common browser 4 versions available AERWEB300 6 Web server to monitor and remote control max 6 units in RS485 network AERWEB300 18 Web server to monitor and remote control max 18 units in RS485 network AERWEB300 6G Web server to monitor and remote control max 6 units in RS485 network with integrated GPRS modem AERWEB300 18G Web server to monitor and remote control max 18 units in RS485 network with integrated GPRS modem PGD1 Graphical display which allows complete management of the unit like the one on board the machine Can be controlled up to 50 m away with a telephone cable 200 m with a shielded AWG 24 cable RIF Current rephaser Connected in parallel to the motor it allows a reduction of the input current approx 10 It can only be installed in the factory and so must be requested on ordering NRP VERSION 0900 1000 1250 1400 1500 1650 1800 MECHANICAL ACCESSORIES 00 710 716 719 725 730 734 737 AV P1 P2 P3 P4 R1 R2 R3 R4 712 712 721 727 732 736 736 GP A GP260 GP260 GP260 GP350 GP350 GP350 GP500 GP500 ELECTRIC ACCESSORIES DRE ALL 901 1001 1251 1401 1501 1651 1801 RIF ALL e e AER485P1 ALL H e PGD1 ALL D D D D D D D AERWEB300 6 ALL H D
20. A 8x 3 7 ASF HIGH PUMP CP2 CP2A CP2B 41 7A 15 4 A 8x3 7A PC INRP260HZTY 1312 5806717 03 31 AERMEC S p A AERMEC AERM 37040 Bevilacqua VR Italy Via Roma 996 AW SE Tel 39 0442 633111 n Telefax 0442 93730 39 0442 93566 ei A www aermec com info aermec com A RR D ss air conditioning AN ICIM LAY 150 8001 2008 Cert n 0128 BA AERMECS p A reserves the right to make any modifications considered necessary to improve its products at any moment and is not obliged to A 9 Mo add these modifications to machines that have already been fabricated delivered or are under construction a COMPANY QUALITY SYSTEM AERNEC SPA
21. LY Having several compressors and circuits ensures total recovery NO ANTI LEGIONELLA CYCLE The multipurpose unit acts as a heat pump control of more steps of power yielded in both exploiting the heat of the outside air through the modes WINTER FUNCTIONING finned coil evaporator it raises the temperature of 3 Heat pump supplying the system the water to be sent to the system through a plate Built in hydronic kit 4 Service heat pump of DHW heat exchanger condenser The main difference Encloses the main hydraulic components available from traditional cycle reverse heat pumps is that in several configurations with high or low static the heated water is produced in different heat pressure single pump or reserve pump see exchanger from the one used to produce cold water configurator A CECK LIST COOLING CIRCUIT 2 pipe unit 4 pipe unit COOLING CIRCUIT 2 pipe unit 4 pipe unit Thermostatic valve cooling mode H High pressure switch manually reset H Thermostatic valve recovery mode H High pressure transducer H Cycle reverse valve Low pressure transducer H Recovery enable valve Liquid indicator Heat exchanger plate Evaporator Liquid tank Heat exchanger plate Evaporator Condenser One way valves Heat exchanger plate DHW Total Recovery Liquid separator Air side coil exchanger Solenoid valves Compressor Relief valves Dehydrator filter H As standard n a
22. MOP Recommended fuse SYSTEM DHW SYSTEM LOW HEAD PUMPS LRA MCA MOP Recommended fuse SYSTEM DHW SYSTEM HIGH HEAD PUMPS LRA MCA MOP Recommended fuse ELECTRICAL DATA 460V 3 60HZ POWER SUPP Input current cooling mode Input current total recovery mode Input current heating mode NO PUMP VERSION LRA MCA MOP Recommended fuse SYSTEM DHW SYSTEM LOW HEAD PUMPS LRA MCA MOP Recommended fuse SYSTEM DHW SYSTEM HIGH HEAD PUMPS LRA MCA MOP Recommended fuse ELECTRICAL DATA 575V 3 60HZ POWER SUPP Input current cooling mode Input current total recovery mode Input current heating mode NO PUMP VERSION LRA MCA MOP Recommended fuse SYSTEM DHW SYSTEM LOW HEAD PUMPS LRA MCA MOP Recommended fuse SYSTEM DHW SYSTEM HIGH HEAD PUMPS LRA MCA MOP Recommended fuse INRP260HZTY 1312 5806717 03 15 16 Model CHARGE 0800 0900 1000 1250 1400 1500 1650 1800 Refrigerant R410A circuit C1 Refrigerant R410A circuit C2 Oil circuit C1 Oil circuit C2 COMPRESSORS Quantity Circuits Capacity control EC INVERTER FANS Quantity 6 6 6 8 8 8 8 Air flow 134000 134000 1
23. P Input power Input current 230V Input current 460V Input current 575V HIGH STATIC HEAD PUMP Input power Input current 230V Input current 460V Input current 575V SOUND DATA COOLING MODE Sound power Sound pressure DIMENSIONS WEIGHT Height Width Lenght Weight empty unit SOUND POWER SOUND PRESSURE Aermec determines sound power values on the Sound pressure in free field at 10m 32 8ft distance basis of measurements made in accordance with from the external surface of the unit in accordance UNI EN ISO 9614 2 as required for Eurovent certi with UNI EN ISO 3744 fication INRP260HZTY 1312 5806717_03 10 OPERATIONAL LIMITS 10 1 COOLING MODE The units in standard configuration are not suitable for installation in salty environments For functioning limits please refer to the diagrams valid for At 5 C 10 F In summer mode the unit can be started with external air 46 C 114 8 F and inlet water 35 C 95 F In winter and RECOVERY mode the unit can be started with external air 15 C 5 F and inlet water 20 C 68 F In these conditions operation is only allowed for a short amount of time and to bring the system to the proper temperature To shorten this operation it is recommended to install a three way valve which makes it possible to bypass the water from the util
24. WATER PRODUCTION ONLY TO SYSTEM H O SYSTEM RETURN H 0 SYSTEM FLOW Description Operation 1 SYSTEM SIDE heat ex EVAPORATION Key IDL Liquid indicator changer Cold water production 1 System side heat exchanger HPT High pressure transducer 2 DHW SIDE heat exchanger not running 2 DHW side heat exchanger HPS High pressure switch 3 SOURCE SIDE heat ex CONDENSATION 3 Source side heat exchanger LPT Low pressure transducer changer Heat exchange with air AL Liquid storage tank LS Liquid separator CV One way valve TEV Thermostatic valves F Dehydrator filter VIC Cycle reversing valves INRP260HZTY 1312 5806717_03 HOT WATER PRODUCTION ONLY TO SYSTEM DHW SYSTEM SUPPLY H 0 Description Operation COOLING SIDE heat 1 Not running exchanger HEATING SIDE heat CONDENSATION 2 e exchanger hot water production SOURCE SIDE heat EVAPORATION 3 NE exchanger Heat exchange with air SIMULTANEOUS HOT AND COLD WATER PRODUCTION TO SYSTEM DHW SYSTEM DHW SYSTEM SUPPLY H O W L Description Operation Ke IDL Liquid indicator COOLING SIDE heat EVAPORATION 1 System side heat exchanger HPT High pressure transducer exchanger Cold water production 2 DHW side heat exchanger HPS High pressure switch HEATING SIDE heat CONDENSATION 3 Source side heat exchanger LPT Low pressure transducer exchanger hot wat
25. and the input electrical capacity in conditions other than rated conditions are obtained by multiplying the rated values Ph Pa by the respective correction coefficients Ch Ca The diagram allows you to obtain the correction coefficients corresponding to each curve the temperature of the hot processed water referred to is reported assuming a difference in water temperature between the input and output of the condenser equal to 5 C 10 F KEY Ph Heating capacity Pa Input power Ch Heating capacity correction coefficient Ca Input power correction coefficient 11 5 FOR AT DIFFERENT FROM THE RA TED VALUE For At different from 5K refer to Tab At DIFFERENT FROM NOMINAL At 5 for the cooling capacity and input power correction factors At DIFFERENT FROM NOMINAL At 5 3 5 8 10 Heating capacity 0 99 1 1 01 1 02 Input power 1 01 1 0 98 0 96 11 6 FOULING FACTORS The performance levels indicated in table FOUL ING FACTOR K M W refer to conditions with clean tubes with a fouling factor 1 For values different from the fouling factor multiply the values in the performance table by the reported coefficients Ph HEATING CAPACITY FOULING FACTOR K M2 KW correction factors 0 018 0 05 0 1 Cooling capacity 1 0 987 0 967 Input power 1 0 987 0 9
26. between the input and output of the condenser equal to 5 C 10 F KEY Ph Heating capacity Pa Input power Ch Heating capacity correction coefficient Ca Input power correction coefficient 11 8 FOR AT DIFFERENT FROM THE RA TED VALUE For At different from 5K refer to Tab At DIFFERENT FROM NOMINAL At 5 for the cooling capacity and input power correction factors FOULING FACTOR K M2 KW correction factors 0 018 0 05 0 1 Cooling capacity 1 0 987 0 967 Input power 1 0 987 0 967 11 9 FOULING FACTORS The performance levels indicated in table FOUL ING FACTOR K M W refer to conditions with clean tubes with a fouling factor 1 For values different from the fouling factor multiply the values in the performance table by the reported coefficients FOULING FACTOR K M2 KW correction factors 0 018 0 05 0 1 Cooling capacity 1 0 987 0 967 Input power 1 0 987 0 967 INRP260HZTY 1312 5806717_03 Ph HEATING CAPACITY LU 1 4 a A ais 4 B 2 Z 1 3 z wo D SE 1 2 E O 3 ER 1 1 gt z 5 S 5 1 0 Oo amp 0 9 O Zo S 0 8 5 6 7 8 9 10 11 12 13 14 15 16 17 18 C O 41 42 44 46 48 50 52 54 56 58 60 62 L 644 F TEMPERATURE OF THE WATER PRODUCED AT THE EVAPORATOR A B c D E Condenser utput C 35 40 45 50 55 water teme
27. bly trained technician in compli ance with the national legislation in force in the country of destination Ministerial Decree 329 2004 AERMEC will not assume any re sponsibility for damage due to fail ure to follow these instructions Before beginning any operation READ THESE INSTRUCTIONS CAREFULLY AND CARRY OUT THE SAFETY CHECKS TO AVOID ALL RISKS All the staff involved must have thorough knowledge of the operations and any dangers that may arise at the moment in which the installation operations are carried out The units can be identified through WARNING PACKING LABEL which shows the Can not be excluded product identification data 1 The only system side COLD NRP 4 PIPES 2 The only SYSTEM SIDE NRP 2 PIPES e TECHNICAL PLATE ATTENTION Tampering removal lack of the identification plate or other does not allow the safe identification of the product and will make any installation or maintenance operation to be performed difficult 4 INRP260HZTY 1312 5806717_03 3 PRESENTATION 3 2 FOR4 PIPE SYSTEMS This separates the two hot cold sections required for 4 pipe systems Multipurpose OUTDOOR units for 2 or 4 pipe The multipurpose 4 pipe units have been made for systems especially designed for simultaneous applications with 4 pipe terminals e g shopping COMBINED PRODUCTION production of cold and hot water and fully centres offices or facilities with large windows If the utility require
28. ensttibiisnnitstenieitensestss 22 Useful static pressures 2 4 pipe system s s s Low static pressure pumps in cooling mode system side High static pressure pumps in cooling mode system side S Low static pressure pumps in cooling mode recovery mode 25 High static pressure pumps in cooling mode recovery mode 25 Expansion vessel calibration Expansion vessel calibration Minimum water Comment zsrorsoko sniva enr 26 Eth le ne gly ol zwa Z A O A NY W A A A AAA 27 Prop lenie glycol asza A Wa AA RR 27 elle 28 Control and safety parameters calibration 29 Palla DEER 30 THERMOMABNETC wwa O CZ A ln la 31 Standards and directives to be followed in the design and manufacture of the unit STANDARD 1 UL 1995 Heating and cooling equipment 2 ANSI NFPA Standard 70 National Electrical code N E C 3 CSA C 22 1 C 22 2 Safety Standard Electrical Installation SAFETY LEVEL 1 IP24 ACOUSTIC PART 1 ISO DIS 9614 2 sound intensity method REFRIGERANT GAS R410A This unit contains fluorinated greenhou se gases covered by the Kyoto Protocol Maintenance and disposal operations must be only carried out by qualified staff in compliance with existing laws 1 GENERAL WARNINGS The NRP AERMEC units are constructed according to the recognised technical standards and safety regulations Multipurpose OUTDOOR units for 2 or 4 pipe systems especially designed for simultaneous production of
29. er production AL Liguid storage tank LS Liquid separator SOURCE SIDE heat Not running CV One way valve TEV Thermostatic valves exchanger F Dehydrator filter VIC Cycle reversing valves 10 INRP260HZTY 1312 5806717_03 7 DESCRIPTION OF COMPONENTS 7 1 STRUCTURE BASEAND SUPPORT STRUCTURE Made up from hot galvanised sheet steel elements with suitable thickness All parts painted with polyester powder paints RAL 9002 resistant to atmospheric agents Realised in a way to allow total accessibility to the components internal components All panels are covered with sound absorbent material with suitable thickness 7 2 COOLING CIRCUIT COMPRESSOR Hermetic scroll rotary compressors All compressors come with casing resistance electronic thermal protection with centralised manual resetting and two pole electric motor COOLING HEATING EXCHANGER SYSTEM SIDE Braze welded AISI 316 steel plate heat exchanger insulated externally with closed cell neoprene anti condensation material When the unit is not running it is protected against formation of ice inside by an electric resistance 7 3 WATER FEATURES PH 6 8 Electric conductivity Less than 200 mV cm 25 C Chloride ions Less than 50 ppm Sulphuric acid ions Less than 50 ppm Total iron Less than 0 3 ppm Alkalinity M Less than 50 ppm Total hardness Less than 50 ppm Sulphur ions None Ammonia ions None Silicone ions Less
30. erve pump 15 16 DHW side idronic kit 00 Without hydronic kit R1 Single low head pump R2 Single low head pump and reserve pump R3 Single high head pump R4 Single high head pump and reserve pump O DHW SIDE SYSTEM SIDE DHW side production of domestic hot water in 2 pipe systems System side production of hot water in 4 pipe systems INRP260HZTY 1312 5806717_03 5 BASIC OPERATING LAYOUT FOR 2 PIPE SYSTEM COLD WATER PRODUCTION ONLY TO SYSTEM Description Operation 1 SYSTEM SIDE heat EVAPORATION exchanger Cold water production DHW SIDE heat 2 not running exchanger SOURCE SIDE heat CONDENSATION 3 aa exchanger Heat exchange with air HOT WATER PRODUCTION ONLY TO SYSTEM H O SYSTEM RETURN H O SYSTEM FLOW H O SYSTEM RETURN Description Operation SYSTEM SIDE heat CONDENSATION 1 exchanger Hot water production DHW SIDE heat not running exchanger SOURCE SIDE heat EVAPORATION exchanger Heat exchange with air INRP260HZTY 1312 5806717 03 1 Ke IDL Liquid indicator 1 System side heat exchanger HPT High pressure transducer 2 DHW side heat exchanger HPS High pressure switch 3 Source side heat exchanger LPT Low pressure transducer AL Liquid storage tank LS Liquid separator CV One way valve TEV Thermostatic valves F Dehydrator filter VIC Cycle reversing valves 2 CIRCUITS TO PRODUCE HOT WATER ONLY
31. f the cooling circuit it signals the work pressure to the control board generating a pre warning in the case of anomalous pressures HIGH PRESSURE TRANSDUCER Placed on the high pressure side of the cooling circuit it signals the work pressure to the control board generating a pre warning in the case of anomalous pressures RELIEF VALVES They intervene by discharging the overpressure in the case of anomalous pressures Calibrated at 45 bar on HP branch Calibrated at 30 bar on LP branch CONDENSATION PRESSURE CONTROLLER This device allows correct functioning with external temperatures lower than 10 C and as low as 10 C It consists of an adjustment circuit board that varies the number of fan revs according to the condensation pressure read by the high pressure transducer in order to keep it sufficiently high for correct unit functioning It also allows correct functioning in heating mode with external temperatures exceeding 30 C and up to 42 C 7 6 ELECTRIC CONTROL AND POWER BOARD Electric board in compliance with standards UL1995 EN 60204 1 IEC 204 1 complete with transformer for the control circuit door lock main isolating switch fuses and contactors for compressors and fans terminals for REMOTE PANEL spring type control circuit terminal board outdoor electric board with double door and gaskets electronic controller evaporator pump and recovery pump control consent relay on
32. ities to the plant until achieving conditions which allow the unit to work within the allowed operating limits ATTENTION In windy areas for correct operation of condensing control it is recommended to install a windbreak barrier It should be installed if wind velocity is beyond 2 5 m s 10 2 HEATING MODE In summer mode the unit can be started with external air 46 C 114 8 F and inlet water 35 C 95 F In winter and RECOVERY mode the unit can be started with external air 15 C 5 F and inlet water 20 C 68 F In these conditions operation is only allowed for a short amount of time and to bring the system to the proper temperature To shorten this operation it is recommended to install a three way valve which makes it possible to bypass the water from the utilities to the plant until achieving conditions which allow the unit to work within the allowed operating limits COOLING MODE 122 to 120 50 110 45 100 40 90 35 Z 8 30 To w 70 a 5 20 60 15 et 50 a gt Hi 10 F 5 a 30 lt 0 z 20 5 10 uu 10 po 0 m r 15 S 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 C LR D 35 6 lt 40 45 50 55 60 65 662 F PRODUCED WATER TEMPERATURE EVAPORATOR CHILLER TOTAL RECOVERY 140 Z we 130 LU Ss 120 5 110 8 amp SP 100 ag Q 90 w 80 ami 77 N c F PRODUCED WATER TEMPERATURE EVAPORATOR PRODUCED WATER TEMPERATURE CONDENSER 8830888060
33. ling capacity Ph Corrective factor of heating capacity Pa Corrective factor of imput power Dp Corrective factor of pressure drop 17 PROPYLENIC GLYCOL 1 599 COOLING MODE CORRECTION FACTOR WITH PROPYLENIC GLYCOL Freezing Point 37 34 6 44 47 2 Percent propylenic glycol 50 55 1 099 1 110 0 924 0 916 0 980 0 978 2 055 Freezing Point 37 34 6 2 279 44 47 2 Percent propylenic glycol 50 55 1 136 1 162 1 023 1 029 1 501 Qw Corrective factor of flow rates middle water temperatur 9 5 C 49 1 F Pc Corrective factor of cooling capacity Ph Corrective factor of heating capacity Pa Corrective factor of imput power Dp Corrective factor of pressure drop INRP260HZTY 1312 5806717_03 1 599 27 28 18 SOUND DATA SOUND POWER Aermec determines sound power values on the basis of measurements made in accordance with UNI EN ISO 9614 2 as required for Eurovent certi fication SOUND PRESSURE Sound pressure in free field at 10 m 393 7in distance from the external surface of the unit in accordance with UNI EN ISO 3744 Total sound levels Octave band Hz vi Pressure 125 250 500 1000 2000 4000 8000 NRP S Pot dB A dB A dB A 10m 1m Sound power by central band frequency dB A
34. ly for versions without pump units all numbered cables DOOR LOCK ISOLATING SWITCH The electric control board can be accessed by removing the voltage Act on the opening lever of the control board itself This lever can be locked using one or more padlocks during maintenance interventions to prevent the machine being powered up accidentally CONTROL BOARD 1 Allows the complete control of the appliance For a more in depth description please refer to the user manual valve and ON OFF pumps 2 Production of DHW through a 3 way diverter valve or the total recovery version Additional functions Control of an external integration resource dedicated to DHW ATTENTION For questions of space in configurations with storage tank and built in pump s on the system side no pumps can be available on the recovery side 11 12 8 ACCESSORIES 8 1 MECHANICAL ACCESSORIES AVX ANTI VIBRATION MOUNTS Group of anti vibration mounts GP PROTECTION GRIDS Protect the external coil from blows and prevent access to the underlying area where the compressors and the chiller circuit are housed Every kit includes two grids TRX1 The storage tanks with holes and integrative resistances are delivered from the factory with plastic protective caps Before the system is loaded the plastic caps must be replaced with the specific TRX1 if installation of one or all the resistances is not foreseen 8 2 ELECTRIC ACCESSORIES AER4
35. n the heat load in order to ensure a correct heating level of the intake gas SOLENOID VALVES The valve closes when the compressor switches off blocking the flow of refrigerant gas to the evaporator recovery and the coil INDICATOR FOR LIQUID Used to check presence of humidity in cooling circuit 7 4 STANDARD HYDRAULIC CIRCUIT WATER FILTERS Equipped with steel filtering mesh prevents the heat exchangers both of the system side and the DHW heating system side from clogging FLOW SWITCHES They have the task of controlling that there is water circulation inside the heat exchangers if this is not the case they block the unit AIR VENT VALVE Mounted on the top of the hydraulic system they discharge possible air pockets 7 4 1 COMPONENTS OF HYDRAULIC CIRCUIT IN CONFIGURABLE VERSIONS PUMPS High or low static pressure EXPANSION VESSEL With nitrogen pre load membrane SAFETY VALVE Equipped with a piped discharger intervenes by discharging the over pressure in case of anomalous pressures SYSTEM STORAGE TANK Made of steel to reduce heat loss and to eliminate the formation of condensation insulated by thick polyurethane DRAIN TAP 7 5 SAFETY AND CONTROL COMPONENTS MANUALLY RESET HIGH PRESSURE SWITCH With fixed calibration placed on high pressure side of cooling circuit inhibits functioning of compressor if abnormal work pressure occurs LOW PRESSURE TRANSDUCER Placed on the low pressure side o
36. prature F 95 104 113 122 131 Pa TOTAL INPUT POWER 13 E a D z co w 11 c z5 RO B EY 1 0 52 A SG aiw 0 9 wi O a 9 0 8 7 8 9 10 11 12 13 14 15 16 17 18 go 41 42 44 46 48 50 52 54 56 58 60 62 LL 644 F A B c D E Condenser utput C 35 40 45 50 55 water temeprature F 95 104 113 122 131 TEMPERATURE OF THE WATER PRODUCED TEMPERATURE OF THE WATER PRODUCED 21 AT RECOVERY AT RECOVERY 12 PRESSURE DROP SYSTEM SIDE EV PRESSURE DROP COOLING MODE FUNCTIONING 2 4 PIPES The diagram pressure drop are related to an average water temperature of 10 C 50 F PSI kPa 13 1 12 Key U NRP 18 0800 3 0900 8 1000 7 1250 6 1400 5 1500 4 1650 3 1800 2 1 0 0 20000 40000 60000 80000 100000 120000 Uh CEE Pe REECE DED eee Pern TEE Er LI 0 100 200 300 400 500 528 gpm Evaporator inlet water temperature 7 C 44 6 F Water flow rate MIN e MAX Evaporator outlet water temperature 12 C 53 6 F NRP External air temperature 35 C 95 F Model u m MIN MAX Average water temperature 10 C 50 F NRP 0800 A gpm 59 02 196 73 NRP 0900 A gpm 66 08 220 28 For temperatures other than 10 C 50 F use the corrective factors table NRP 1000 A gpm 74 50 243 84 NRP 1250 A gpm 92 65 308 83 NRP 1400 A gpm 105 02 350 05 CORRECTIVE FACTORS TABLE EVAPORATOR NRP 1500 A gpm 117 25 390 84 Average water tempera
37. s different from the fouling factor multiply the values in the performance table by the reported coefficients FOULING FACTOR K M2 KW correction factors 0 018 0 05 0 1 Cooling capacity 1 0 987 0 967 Input power 1 0 987 0 967 INRP260HZTY 1312 5806717_03 1 6 Pc COOLING CAPACITY 1 5 1 4 1 3 1 2 1 1 1 0 0 9 0 8 Cf COOLING CAPACITY CORRECTION COEFFICIENT 0 7 0 6 0 5 0 4 39 2 lt 1 40 42 44 46 48 50 52 54 56 58 60 62 5 6 7 8 9 10 11 12 13 14 15 16 17 18 L gt 64 4 PRODUCED WATER TEMPERATURE EVAPORATOR EXTERNAL AIR TEMPERATURE d b SS F Condenser utput water temeprature 20 25 30 35 40 45 46 68 77 86 95 104 113 114 8 1 6 Pa TOTAL INPUT POWER 1 5 1 4 1 3 1 2 1 1 1 0 0 9 Ca INPUT POWER 0 8 0 7 CORRECTION COEFFICIENT 0 6 0 5 0 4 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 39 2 lt 140 42 44 46 48 50 52 54 56 58 60 62 PRODUCED WAT ER TEMPERATURE EVAPORATOR L gt 64 4 EXTERNAL AIR TEMPERATURE d b Condenser utput water temeprature 20 25 30 35 40 45 46 68 77 86 95 104 113 114 8 19 11 4 HEATING CAPACITY AND INPUT POWER The heating capacity yielded
38. s simultaneous hot and independent where there can be the simultaneous demand for cold water the unit acts as a water heat pump hot and cold water with a system which does not controlling condensation and evaporation on AVAILABLE VERSIONS require season changeover and therefore is a valid two distinct plate heat exchangers associated to alternative to traditional systems based on the circulation of cold and hot water in the system 3 1 FOR2 PIPE SYSTEMS chiller boiler combination It automatically changes from one configuration to The microprocessor control logic ensures perfectly another managed by on board microprocessor The multipurpose 2 pipe units have been made satisfying heat and cooling loads to optimise the spent energy depending on the for applications with 2 pipe terminals e g hotels The operating modes are demand by the utility where there is a cold hot water and DHW demand throughout the year PRODUCTION OF COOLED WATER ONLY Maximum reliability The operating modes are The multipurpose unit acts as a classical refrigerator Multi circuit unit designed to provide the maximum cool water to the system and condensation heat efficiency both with full load and partial loads SUMMER FUNCTIONING disposal outside through finned coils guaranteeing operating continuity should one of the 1 Cold water production to system circuits stop to facilitate maintenance 2 Production of domestic hot water with use of PRODUCTION OF HOT WATER ON
39. ture C F 5 41 10 50 15 59 20 68 30 86 40 104 50 122 NRP 1650A gpm 124 25 414 17 Multiplicative coefficients 1 02 1 00 0 98 0 97 0 95 0 93 0 91 NRP 1800 A gpm 131 12 437 07 INRP260HZTY 1312 5806717_03 RECOVERY MODE WITH DHW SIDE 2 PIPES HOT WATER PRODUCTION SYSTEM SIDE 4 PIPES The diagram pressure drop are related to an average water temperature of 43 C 109 4 F PSI kPa 17 4 U 120 165 110 e 100 13 90 A Key 2 01 m 10 70 0800 0900 9 60 1000 1250 8 zo 1400 g s 1500 5 4 1650 4 30 1800 3 20 A WE 0 0 0 20000 40000 60000 80000 100000 120000 I h NE O OSA R 0 100 200 300 400 500 528 gpm Water flow rate MIN e MAX Recovery inlet water temperature 40 C 104 F NRP Recovery outlet water temperature 45 C 113 F Model u m MIN MAX Average water temperature 43 C 109 4 F RP 0800 A gpm 83 02 245 68 RP 0900 A gpm 94 51 245 68 For temperatures other than 43 C 109 4 F use the corrective factors table RP 1000 A gpm 106 80 356 00 RP 1250A gpm 133 84 446 13 CORRECTIVE FACTORS TABLE EVAPORATOR RELUA gpm 15450 515 01 E F 23 73 4 28 82 4 33 91 4 38 100 4 43 109 4 48 118 4 53 127 4 58 136 4 a N P 7 a Multiplicative coefficients 1 04 1 03 1 02 1 01 1 00 0 99 0 98 0 97 RP 1800 A gpm 200 76 528 34

NRP 800-1800 60Hz Technical Manual

Contents

Download Pdf Manuals

Related Search

Related Contents