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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 add these modification to machines of previous manufacture that have already been delivered or are being built.
NRL FC 800-1800 60Hz KEY: DESCRIPTION AND CHOCE OF UNIT ....................4 CHECK LIST ............................5 PRINCIPLE OF OPERATION SCHEMES ....................6 3.1. PRODUCTION OF COLD WATER ONLY THE SYSTEM ................. 6 3.2. COLD WATER PRODUCTION AND THE SYSTEM RECOVERY (DESUPERHEATER) ......7 OPERATING LIMITS..........................8 4.1.
NRL FC 800-1800 60Hz DESCRIPTION AND CHOCE OF UNIT Standards and Directives respected on The NRL Free-cooling series appliances are water Models: designing and constructing the unit: NRL "F" free-cooling chillers equipped with an external air cooling capacity recovery system called "free-cooling".
NRL FC 800-1800 60Hz CHECK LIST Ciruit Components Cooling circuit Model with D Resistance carter compressor High pressure switch Low pressure switch High pressure trasducer Low pressure trasducer Solenoid valve of hot gas injecton By-pass valve of hot gas Exchanger (EV- EV/CN)
NRL FC 800-1800 60Hz PRINCIPLE OF OPERATION SCHEMES 3.1. PRODUCTION OF COLD WATER ONLY THE SYSTEM Description Operation exchanger (EVAPORATION) SYSTEM SIDE Production cold water exchanger (CONDENSATION) SOURCE SIDE Heat exchange with the air exchanger (EVAPORATION FREE-COOLING) SYSTEM SIDE Production cold water...
NRL FC 800-1800 60Hz COLD WATER PRODUCTION AND THE SYSTEM RECOVERY (DESUPERHEATER) 3.2. Description Operation exchanger (EVAPORATION) O SUPPLY SYSTEM SIDE Production of cold water exchanger (CONDENSATION) SOURCE SIDE Heat exchange with the air O DISCHARGE exchanger (EVAPORATION FREE-COOLING) SYSTEM SIDE...
(Ministerial Decree 329/2004). The support surface must be capable of supporting the AERMEC will not assume any responsibility for damage due to failure to follow these instructions. unit weight; The safety differences between the unit and ther applian- ces or structures must be scrupulously respected so that the inlet and outlet AIR from the fans is free to circulate;...
NRL FC 800-1800 60Hz DIMENSIONS 5.2. NRL 1250 - 1400 - 1500 F 5.1. NRL 800 - 900 - 1000 F 2450 mm 2450 mm 96 in 96 in 3400 mm 134 in 4250 mm 2200 mm 167 in 87 in...
NRL FC 800-1800 60Hz ANTIVIBRATION POSITIONING 7.1. NRL 800 - 900 - 1000 F 100 mm 100 mm 2800 mm 4 in 4 in 110 in 7.2. NRL 1250 - 1400 - 1500 F 100 mm 1825 mm 100 mm...
NRL FC 800-1800 60Hz NRL 1650 - 1800 F 7.3. 1915mm 1915mm 400 mm 400 mm 720 mm 75 in 75 in 16 in 16 in 28 in HYDRAULIC CONNECTION 8.1. NRL 800 - 900 - 1000 F 3” 3”...
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NRL FC 800-1800 60Hz 8.2. NRL 1250 - 1400 - 1500 F 341mm 13 in 1925 mm 1925 in 400 mm 3850 mm 151 in 15 in 4” 4” 8.3. NRL 1650 - 1800 F 265 mm 400 mm 10 in...
NRL FC 800-1800 60Hz TOP VIEW NRL FREECOOLING 800 - 1800 EMPTY RUNNING KIT AVX WEIGHT CENTRE OF GRAVITY TOTAL WEIGHT CENTRE OF GRAVITY MODEL WATER XG mm XG in YG mm YG in XG mm XG in YG mm...
NRL FC 800-1800 60Hz HYDRAULIC CIRCUIT (VERSIONS P3-P4) 8.4. hydraulic components NRL P3-P4 hydraulic components NOT SUPPLIED STANDARD COMPONENT ATTENTION Exchanger plate The choice and the installation of Free-cooling coil components external to the NRL up to the installer, who must ope-...
NRL FC 800-1800 60Hz HYDRAULIC CIRCUIT (VERSIONS 03-04) 8.5. hydraulic components NRL 03-04 hydraulic components NOT SUPPLIED STANDARD COMPONENT ATTENTION Exchanger plate The choice and the installation of Free-cooling coil components external to the NRL up to the installer, who must ope-...
NRL FC 800-1800 60Hz 8.6. SYSTEM LOAD 8.7. EMPTYING THE SYSTEM ATTENTION − − Before starting the load, check that the system Before starting to drain the system, turn "off" the In case of version with pumping drain tap is closed.
NRL FC 800-1800 60Hz ELECTRICAL WIRINGS damage caused by the failure and ineffective earthing of the machine. ATTENTION • For units with Three-phase power check the correct The default NRL chillers are completely wired and only All electrical operations must be connection of the phases.
NRL FC 800-1800 60Hz PUMP CONTACTOR (CP01 - CP02) 9.2. CONNECTION TO THE POWER SUPPLY 9.5. AUXILIARY CONNECTIONS AT THE 9.7. USER/INSTALLER EXPENSE Check there is no voltage on the electric line you want To prepare the pump contactor, connect the device to use.
Bear in mind that a free start-up service is offered by only at last test vary the values of is less than the maximum indicated in the technical the Aermec Technical Service for the unit of this series, the operation Set Point. data table;...
NRL FC 800-1800 60Hz FUNCTIONING CHARACTERISTICS 11.4. ANTI-FREEZE ALARM 11.1. COOLING SET POINT The anti-freeze alarm is active as if the machine is tur- For the restoration of the normal functions of the (Default defined) = 44.6°F/7°C, ∆t = 10.01°F/5°C. ned-off or if the machine is in standby mode. In order temperature of the water output have to come back to prevent breakage of the plate-type exchanger due over 39.2°F/4°C, the reset is manual.
NRL FC 800-1800 60Hz EXTRAORDINARY MAINTENANCE to the grip on the low-pressure line. ATTENTION The NRL are loaded with R410A gas and tested in the • Charge the amount of refrigerant gas indicated on A machine logbook should ideally factory. In normal conditions, no Technical Assistance the characteristics plate of the machine.
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NRL FC 800-1800 60Hz Aermec cod. INRLFTY.1409.4086994_01...
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NRL FC 800-1800 60Hz Aermec cod. INRLFTY.1409.4086994_01...
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37040 Bevilacqua (VR) Italy–Via Roma, 996 Tel. (+39) 0442 633111 Telefax 0442 93730–(+39) 0442 93566 www.aermec.com - info@aermec.com The technical data on the following documents are not binding. Aermec reserves the right to make any changes at any time deemed necessary for product improvement.