Tabla De Contenido - AERMEC NRA 2000 Manual Tecnico

INSTRUCTIONS FOR THE SELECTION
Compliance declaration .........................................................................................................................................................................................................
1 General standards .......................................................................................................................................................................................... page
2 Description and choice of unit ................................................................................................................................................................... page
2. 1 Models available ....................................................................................................................................................................... page
2.2 Versions available .................................................................................................................................................................... page
2.2. 1 Standard equipment ............................................................................................................................................................... page
2.3 Configurator ............................................................................................................................................................................... page
3 Description of components ......................................................................................................................................................................... page
3. 1 Refrigerating circuit ................................................................................................................................................................ page
3.2 Frame and fans ......................................................................................................................................................................... page
3.3 Hydraulic components ........................................................................................................................................................... page
3.4 Safety and control components ........................................................................................................................................ page
3.5 Electrical components ........................................................................................................................................................... page
4 Accessories and table of possible combinations .............................................................................................................................. page
5 Technical data
5.2 Standard versions ................................................................................................................................................................... page
5.3 High efficiency versions ......................................................................................................................................................... page
5.4 Silenced versions ..................................................................................................................................................................... page
5.5 Heat pump versions ................................................................................................................................................................ page
5.6 Silenced heat pump versions .............................................................................................................................................. page
6 Selection criteria
6. 1 Operating limits ......................................................................................................................................................................... page
6.2 Project data ................................................................................................................................................................................ page
7 Correction coefficients
7. 1 Cooling input capacities, standard versions - high efficiency (cold mode)
High efficiency .......................................................................................................................................................................... page
7.2 Cooling capacity, silenced versions .................................................................................................................................. page
7.3 Heating and input capacities, heat pump versions ................................................................................................... page
7.4 Correction factors for ∆T other than nominal ........................................................................................................... page
7.5 Fouling factors .......................................................................................................................................................................... page
8 Ethylene glycol solution ................................................................................................................................................................................. page
9 Pressure drops ................................................................................................................................................................................................ page
10 Accumulation ..................................................................................................................................................................................................... page
11 Effective pressures for the system ......................................................................................................................................................... page
12 Sound data ......................................................................................................................................................................................................... page
13 Capacity control ............................................................................................................................................................................................... page
14 Calibration of check and safety parameters ....................................................................................................................................... page
15 Dimensions ......................................................................................................................................................................................................... page
16 Weights and centres of mass ................................................................................................................................................................... page
16. 1 Distribution weights percentage on rests for models WITHOUT WATER ...................................................... page
16.2 Distribution weights percentage on rests for models WITH WATER ............................................................. page
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.
1
2
3
3
3
3
4
5
6
6
6
6
7
7
9
10
11
12
13
14
14
15
16
17
17
17
18
20
23
24
25
26
27
28
29
30
35
Thank you again.
AERMEC S.p.A