19
3.5
Operating data
Burner pressures must be verified after a three minute boiler operation time.
KC 24
Function
Max. CH input
[kW]
CH output
(80-60 °C)
[kW]
CH output
(50-30 °C)
[kW]
DHW output
[kW]
Gas mains
pressure
[mbar]
Diaphragm
Ø
[mm]
Flue gas CO2
[%]
min
max
min
max
min
max
Methane gas G0
3.7
6.5
3.1
7.3
4.8
7.3
8.0
0
7.
8.8 ÷ 9.1
Propane gas G31
3.7
6.5
3.1
7.3
4.8
7.3
8.0
37
5.3
9.8 ÷ 10.1
Table 3 - KC 4 model adjustment rates
Hot water supply ΔT 45°C = 8.9 l/min
Hot water supply ΔT 40°C = 10 l/min
Hot water supply ΔT 35°C = 11.5 l/min
Hot water supply ΔT 30°C = 13.4 l/min *
Hot water supply ΔT 5°C = 16.1 l/min *
*Note: mixed water to the tap
KC 28
Function
Max. CH input
[kW]
CH output
(80-60 °C)
[kW]
CH output
(50-30 °C)
[kW]
DHW output
[kW]
Gas mains
pressure
[mbar]
Diaphragm
Ø
[mm]
Flue gas CO2
[%]
min
max
min
max
min
max
Methane gas G0
6.
5.4
5.55
6.1
7.4
6.1
31.0
0
7.
8.8 ÷ 9.1
Propane gas G31
6.
5.4
5.55
6.1
7.4
6.1
31.0
37
5.3
9.8 ÷ 10.1
Table 4 - KC 8 model adjustment rates
Hot water supply ΔT 45°C = 9.9 l/min
Hot water supply ΔT 40°C = 11.1 l/min
Hot water supply ΔT 35°C = 1.7 l/min
Hot water supply ΔT 30°C = 14.8 l/min *
Hot water supply ΔT 5°C = 17.8 l/min *
*Note: mixed water to the tap
KC 32
Function
Max. CH input
[kW]
CH output
(80-60 °C)
[kW]
CH output
(50-30 °C)
[kW]
DHW output
[kW]
Gas mains
pressure
[mbar]
Diaphragm
Ø
[mm]
Flue gas CO2
[%]
min
max
min
max
min
max
Methane gas G0
31.4
8.7
30.63
9.6
33.
9.6
35.4
0
8.4
8.8 ÷ 9.1
Propane gas G31
31.4
8.7
30.63
9.6
33.
9.6
35.4
37
6.0
9.8 ÷ 10.1
Table 5 - KC 3 model adjustment rates
Hot water supply ΔT 45°C = 11.3 l/min
Hot water supply ΔT 40°C = 1.7 l/min
Hot water supply ΔT 35°C = 14.5 l/min*
Hot water supply ΔT 30°C = 16.9 l/min *
Hot water supply ΔT 5°C = 0.3 l/min *
*Note: mixed water to the tap
KR 24
Function
Max. CH
input [kW]
CH output
(80-60 °C)
[kW]
CH output
(50-30 °C)
[kW]
Gas mains
pressure
[mbar]
Diaphragm
Ø
[mm]
Flue gas CO2
[%]
min
max
min
max
Methane gas G20
3.7
6.5
3.1
7.3
4.8
0
7.
8.8 ÷ 9.1
Propane gas G31
3.7
6.5
3.1
7.3
4.8
37
5.3
9.8 ÷ 10.1
Table 6 - KR 4 model adjustment rates
KR 28
Function
Max. CH
input [kW]
CH output
(80-60 °C)
[kW]
CH output
(50-30 °C)
[kW]
Gas mains
pressure
[mbar]
Diaphragm
Ø
[mm]
Flue gas CO2
[%]
min
max
min
max
Methane gas G20
6.
5.4
5.55
6.1
7.4
0
7.
8.8 ÷ 9.1
Propane gas G31
6.
5.4
5.55
6.1
7.4
37
5.3
9.8 ÷ 10.1
Table 7 - KR 8 model adjustment rates
KR 32
Function
Max. CH
input [kW]
CH output
(80-60 °C)
[kW]
CH output
(50-30 °C)
[kW]
Gas mains
pressure
[mbar]
Diaphragm
Ø
[mm]
Flue gas CO2
[%]
min
max
min
max
Methane gas G20
31.4
8.7
30.63
9.6
33.
0
8.4
8.8 ÷ 9.1
Propane gas G31
31.4
8.7
30.63
9.6
33.
37
6.0
9.8 ÷ 10.1
Table 8 - KR 3 model adjustment rates
Summary of Contents for Tahiti Condensing 24 kW Combi (KC)
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