19
3.3.
Boiler layout
1.
Condensate trap
2.
Modulating gas valve
3.
Safety thermostat
4.
CH temperature probe
5.
Modulating fan
6.
CH temperature probe
7.
Main condensing heat exchanger
8.
Ignition electrode
9.
Air purging device
10. Combustion air intake system
11. Flue gas discharge system
12. Flue gas analysis ports
13. Flue gas thermostat on flue gas duct
14. Flue gas thermostat on heat exchanger
15. Flame sensing electrode
16. Expansion vessel
17. Fan management probe
18. Air purging device
19. Pump
20. 3-bar safety valve
21. Unloading tap
22. Minimum pressure switch
23. Flow limiting device
24. Filling loop
25. Cold water flow switch with filter
26. Secondary plate exchanger
27. DHW probe
28. Automatic by-pass
29. Motorised 3-way diverter valve
S
Condensate drain
G
Gas intake
f
CH system flow
DHW DHW outlet
CWI Water mains inlet
R
CH system return
11
M
S
C
F R
10
9
8
7
6
5
4
3
2
1
28 27 26 25
24
12
13
14
15
16
17
18
19
20
21
22
23
29
G
3.4.
Operating data
Burner pressures must be verified after a three minute boiler operation time
fig. 5
DHW
CWI R
G
f
S
KC 24
function
Max. CH
heat input
[kW]
CH
heat
output
(80-60°C)
[kW]
CH
heat output
(50-30°C)
[kW]
DHW output [kW] Gas mains pres-
sure [mbar]
Nozzle
[mm/100]
flue gas
CO
2
[%]
min
max
min
max
min
max
Natural gas G20
23.7
2.7
22.9
3.2
24.9
3.0
27.4
20
3.70
9.0 ÷ 9.3
Propane Gas G31
23.7
2.7
22.9
3.2
24.9
3.0
27.4
37
3.00
9.8 ÷ 10.1
Table 3 – KC 24 model adjustment rates
KC 28
function
Max. CH
heat input
[kW]
CH
heat
output
(80-60°C)
[kW]
CH
heat output
(50-30°C)
[kW]
DHW output [kW] Gas mains pres-
sure [mbar]
Nozzle
[mm/100]
flue gas
CO
2
[%]
min
max
min
max
min
max
Natural gas G20
26.4
3.0
25.4
3.45
27.8
3.0
29.2
20
4.00
9.0 ÷ 9.3
Propane Gas G31
26.4
3.0
25.4
3.45
27.8
3.0
29.2
37
3.30
10.0 ÷ 10.3
Table 4 - KC 28 model adjustment rates
Hot water supply ΔT 45°C = 9.0 l/min
Hot water supply ΔT 40°C = 10.1 l/min
Hot water supply ΔT 35°C = 11.6 l/min
Hot water supply ΔT 30°C = 13.5 l/min *
Hot water supply ΔT 25°C = 16.2 l/min *
*Note: water mixed at tap
Hot water supply ΔT 45°C = 10.0 l/min
Hot water supply ΔT 40°C = 11.2 l/min
Hot water supply ΔT 35°C = 12.9 l/min
Hot water supply ΔT 30°C = 15.0 l/min *
Hot water supply ΔT 25°C = 18.0 l/min *
*Note: water mixed at tap
Содержание Antea 24kW Range
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