31
ENGLISH
Installation Instructions
Check the burner pressure levels especially at low flow rates.
The values in the table refer to a closed combustion chamber.
CoR R 24 - CoR C 24
Type of
Gas
Power
output
[kW]
Power
input
[kW]
Supply
Pressure
[mbar]
Ø
Nozzles
[mm]
Nozzles
no.
Ø Col-
lector
[mm]
Pressure
minimum
[mbar]
Pressure
operating
[mbar]
Consumption
min.
Consumption
max.
Gas nat. (G20) 7,0 ÷ 23,8 7,5 ÷ 25,0
20
0,86
24
-
1,7
14,1
0,79 m³/h 2,64 m³/h
Propano (G31)
7,9 ÷ 23,8 8,5 ÷ 25,0
37
0,55
24
-
4,1
30,3
0,66 kg/h 1,94 kg/h
(*) ± 0,2 mbar range accettabile per G 20
(*) ± 0,2 mbar range accettabile per G31
ATTENTION!
Function reserved for Authorised
Assistance Centres only.
The user is NOT authorised to activate
the function described below.
3.12.1 - ADAPTATION OF THE POwER TO THE HEATING SYSTEM
Ex:
CoR 24
to depower the boiler 20 kW,
modify parameter HP (about
70)
.
kW
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
10 20 30 40 50 60 70 80 90 99
HP %
CoR 24
0
It is possible to adjust the maximum thermal capacity
in heating mode, by decreasing the burner pressure
value
Use the
HP
parameter (paragraph 4.2
SE
parameter
list) to obtain the value corresponding to the desired
power.
NOZZLES - PRESSURE - COLLECTOR TABLE
