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14_09. 5641250_01

INSTALLATION MANUAL

NRL free cooling 

280-750

CHILLER

•  EXTERNAL UNIT

•  HIGH EFFICENCY

•  POWER SUPPLY 60Hz

EN

60Hz

Summary of Contents for NRL F Series

Page 1: ...14_09 5641250_01 INSTALLATION MANUAL NRL free cooling 280 750 CHILLER EXTERNAL UNIT HIGH EFFICENCY POWER SUPPLY 60Hz EN 60Hz...

Page 2: ......

Page 3: ...lt 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 com...

Page 4: ...on of percentage weights on supportingpoints 17 11 Hydraulic circuit 19 11 1 Hydraulic circuit versions P3 P4 19 11 2 Hydraulic circuit versions 03 04 20 11 3 System load 21 11 4 Emptying the system 2...

Page 5: ...5 14_09 5641250_01 NRL free cooling 0280 0750 60Hz EN...

Page 6: ...y recovered from the external air is no longer sufficient for the power requi red by the system The higher the cooling capacity recovery with free cooling the lower the integration is COMPRESSORS ONLY...

Page 7: ...yes yes yes yes yes yes yes Hydraulic circuit Version 01 04 0280 0300 0330 0350 0500 0550 0600 0650 0700 0750 Water filter yes yes yes yes yes yes yes yes yes yes Flow switch yes yes yes yes yes yes...

Page 8: ...ion Operation 1 exchanger SYSTEM SIDE EVAPORATION Production cold water 2 exchanger SOURCE SIDE CONDENSATION Heat exchange with the air 3 exchanger SYSTEM SIDE EVAPORATION FREE COOLING Production cold...

Page 9: ...ed outside the operating limits ATTENTION When the unit is installed in particularly windy areas we recommend installing wind barriers if wind speed exceeds 2 5 m s REFRIGERANT SIDE High pressure side...

Page 10: ...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 5 SELECTION AND PLACE OF INSTALLATI...

Page 11: ...m 63 in 1750 mm 69 in 1100 mm 43 in 2950 mm 116 in 3010 mm 119 in 1160 mm 46 in 1606 mm 63 in 1100 mm 43 in 2950 mm 116 in 1750 mm 69 in 3010 mm 119 in 1160 mm 46 in 7 2 NRL 0330 0350 FE 7 3 NRL 0500...

Page 12: ...0 60Hz EN 7 4 NRL 0600 0650 0700 FA 7 5 NRL 0750 0750 FA 1990 mm 78 in 3950 mm 156 in 4010 mm 158 in 1100 mm 43 in 1160 mm 46 in 1875 mm 74 in 1955 mm 77 in 1500 mm 59 in 4350 mm 171 in ATTENTION NRL...

Page 13: ...OSITIONING 200 mm 8 in 200 mm 8 in 200 mm 8 in 200 mm 8 in 1275 mm 50 in 1275 mm 50 in 1275 mm 50 in 1275 mm 50 in 200 mm 8 in 1400 mm 55 in 1400 mm 55 in 200 mm 8 in 200 mm 8 in 1400 mm 55 in 1400 mm...

Page 14: ...0 0650 0700 FA 8 4 NRL 0750 FA 2100 mm 83 in 2100 mm 83 in 1450 mm 57 in 1450 mm 57 in 200 mm 8 in 200 mm 8 in 200 mm 8 in 200 mm 8 in 100 mm 4 in 100 mm 4 in 100 mm 4 in 100 mm 4 in 1500 mm 59 in 150...

Page 15: ...IC CONNECTION NRL 0500 0750 FA WARNING Clean the system carefully before connecting the unit Cleaning will eliminate any residues suck as drops of solder waste rust or other impurities from the piping...

Page 16: ...1 20 VT 10 NRL0550F 03 2839 538 212 1616 636 30 29 21 20 VT 10 NRL0550F P4 2638 537 211 1620 638 30 29 21 20 VT 13 NRL0550F P3 2552 537 211 1579 622 31 29 20 19 VT 13 WEIGHT OF RUNNING UNITS NRL TYPE...

Page 17: ...1 9 9 4 8 8 VT 22 NRL0650F 00 3196 550 217 1723 679 7 7 7 7 33 0 33 1 9 2 9 2 VT 22 NRL0650F 04 3703 476 187 1491 587 8 8 6 7 37 5 28 6 10 4 8 0 VT 22 NRL0650F 03 3593 490 193 1535 604 8 6 6 9 36 6 29...

Page 18: ...ydraulic pipes connecting to the machine must be properly si zed to the actual flow of water re quired by the system in operation The water flow to the exchanger must always be constant ATTENTION Care...

Page 19: ...han 50 ppm Sulphur ions none ammonia ions none Silicone ions less than 30 ppm ATTENTION The choice and the installation of components external to the NRL up to the installer who must ope rate accordin...

Page 20: ...oints 11 4 EMPTYING THE SYSTEM Before starting to drain the system turn off the unit Check that the water system load restore tap is closed Open the drain tap outside the machine and all the vent valv...

Page 21: ...G It is forbidden to use water pipes for the earthing of the machine 12 1 RECOMMENDED SECTION OF ELECTRIC CABLES The cable sections indicated in the table are advised for a maximum length of 50 m For...

Page 22: ...50 4 486 3 530 8 FE 239 6 287 6 297 7 376 7 MCA FA 142 0 153 6 174 2 214 6 250 4 260 5 FE 83 0 90 2 100 4 140 8 MOP FA 193 3 204 9 207 5 265 8 301 7 316 3 FE 110 6 123 6 133 7 192 1 Recom FUSE FA 175...

Page 23: ...all 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 Key fig 2 L1 Line 1 L2 Line...

Page 24: ...ng 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 14 3 SEASON CHANGEOVER For each seasonal change check that the oper...

Page 25: ...ssible 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 instal...

Page 26: ...nditions from the normal can result in different values Leak testing or leaking research must be carried out only by using refrigerant gas R410A by checking with a suitable leak detection It is prohib...

Page 27: ......

Page 28: ...rves 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 39 0442 93577 www aermec com info...

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