Ariston NIMBUS PLUS M NET Manual page 61

WH M 2 ZONE ONLY HEAT
12
13
14
15
16
17
18
1
2
3
Restrictions of cooling operation
A
25
(10 ; 23)
20
UF
15
10
FC
5
(10 ; 5)
0
0 5 10 15 20
A - Flow water temperature (°C)
B - External air temperature (°C)
AVAILABLE PRESSURE AT EXTERNAL UNIT
Available pressure at external unit outlet towards the internal unit
4 - 5 kW
Available pressure for models: 40M - 50M- 70M - 70MT EXT
11
4 5 6 7
(43 ; 23)
(43 ; 5)
25 30 35 40 45
7 kW
1. Discharge valve
2. Safety vlve 3 bar
3. Manometer
4. Temperature sensor to the ZONE 1
5. Temperature sensor from the ZONE 1
10
6. Temperature sensor to the ZONE 2
7. Temperature sensor from the ZONE 2
8. Modulating pump ZONE 1 (only heating)
9. Modulating pump ZONE 2 (only heating)
10. Mixing valve ZONE 2
9
11. Automatic air purge
12. Expansion vessel
13. Automatic air purge
14. Safety thermostat (manual switch)
15. Safety thermostat (automatic switch)
8
16. Heating back-up resistance (2kW + 2kW)
17. Pressure switch
Restrictions of heating operation
A
-10,60
-20,45
-20,20
B
-30 -20 -10
50
Example 1: B = 35 and A = 33
Available pressure for models: 90M - 90MT - 110M - 110MT EXT
70
60
50
40
30
20
15,20
10
0
0 10 20 30
61 / GB
35,60
35,33
B
40