Example NSB 2401 P2
DESCRIPTION OF COMPONENTS
3
KEY
1 Pumps
2 Hydraulic collector
3 Stand-by pumps
Unidirectional valve
4
5 Shut-off valve
6 Expansion vessels (2x25 litres), inter-
cepted
7 Loading unit intercepted
8 Shell&tube
9 Rubinetto del liquido
10 Compressor bi-screw
11 Compressor area for soundproofing
12 Air exchange coils
13 Fans
14 Electric box closing panels
15 Suction safety valve (1 per circuit)
16 Filter drier (1 for circuit)
17 Thermostatic valve (1 for circuit)
5