Ariston NIMBUS COMPACT M NET 40 M EXT Technical Instructions For Installation And Maintenance page 52

INTERNAL UNIT FSP 2 ZONES
Weights and dimensions (mm)
144
Overall view
14
15
16
17
18
19
20
1
2
3
52 / GB
598
465
445
417
342
267
A
E
C
B
D
G
F
H
F
13 12
4 5
A. Hot/cold water delivery from external unit
G 1" M.
B. B. Cold/hot water return to external unit G
606
1" M.
C. C. Hot/cold water delivery to system Zone 1
G 1" M.
D. D. Cold/hot water return from system Zone
1 - G 1" M.
E. E. Hot/cold water delivery to system Zone 2
G 1" M.
F. F. Cold/hot water return from system Zone
2 G 1" M.
G. G. Hot domestic water outlet G 3/4" M.
H. H. Cold domestic water inlet G 3/4" M.
1. Temperature sensor (return to the heat pump)
2. Discharge valve
3. Expansion vessel
11
4. Temperature sensor (return from the installation) ZONE 1
5. Manometer
6. Temperature sensor (fl ow to the installation) ZONE 2
10
7. Temperature sensor (fl ow to the installation) ZONE 1
8. Modulanting pump ZONE 2
9
9. Temperature sensor (return from the installation) ZONE 2
10. Mixing valve
11. Automatic air purge
12. Modulanting pump ZONE 1
8
13. Safety valve 3 bar
14. Pressure switch
7
15. Automatic air purge
6
16. Heating back-up resistance (2 kW + 2 kW)
17. Three-way valve (diverter valve)
18. Safety thermostat (automatic switch)
19. Safety thermostat (manual switch)
20. Temperature sensor (fl ow to the installation)
heating/cooling
ARIANEXT
FSP
Weight
2 ZONES 127