19
2.6. Dati di funzionamento
Burner pressures must be verified after a three minute boiler operation time.
KR 55
Function
Max. CH
input
(kW)
CH
output
(80-60°C)
[kW]
CH
output
(50-30°C)
[kW]
Gas mains
pressure
[mbar]
Diaphragm dia-
meter
[mm]
Flue gas
CO2
[%]
min
max
min
max
Methane Gas G20
55,0
14,1
53,5
15,7
58,8
20
8,2
8,8 ÷ 9,1
Propane Gas G31
55,0
14,1
53,5
15,7
58,8
37
5,9
9,8 ÷ 10,1
Table 3 – Calibration data for KR 55
KR 85
Function
Max. CH
input
(kW)
CH
output
(80-60°C)
[kW]
CH
output
(50-30°C)
[kW]
Gas mains
pressure
[mbar]
Diaphragm dia-
meter
[mm]
Flue gas
CO2
[%]
min
max
min
max
Methane Gas G20
85,0
20,3
82,7
22,6
90,4
20
10,3
8,8 ÷ 9,1
Propane Gas G31
85,0
20,3
82,7
22,6
90,4
37
7,9
9,8 ÷ 10,1
Table 4 – Calibration data for KR 85
2.7. General characteristics
KR 55
KR 85
Category
-
II2H3P
II2H3P
CH minimum pressure
bar
0,5
0,5
CH maximum pressure
bar
5
5
CH maximum working temperature
°C
83
83
DHW maximum working temperature (*)
°C
65
65
Methane gas consumption at max. flow (**)
m
3
/h
5,82
9,00
Propane gas consumption at max. flow
kg/h
4,26
6,59
Power supply (voltage ~ frequency)
V ~ Hz
230 ~ 50
230 ~ 50
Maximum input power
W
245
245
Index of protection
IP
X4D
X4D
Table 5 – General Data
(*) If connected to a water heater with NTC probe 10 kΩ @ ß=3435
(**) Value referred to 15 °C - 1013 mbar
KR 55
Pmax
Pmin
30% heat output
Casing heat loss with burner on
%
0,46
0,83
-
Casing heat loss with burner off
%
0,36
Chimney heat loss with burner on
%
2,04
1,89
-
Flue gas system mass flow rate
g/s
25,1
6,6
-
Flue gas/air temperature
°C
44
39
-
Prevalenza residua disponibile
Pa
290
23
-
Maximum heat output efficiency rating (60/80°C)
%
97,3
-
-
Maximum heat output efficiency rating (30/50°C)
%
107,0
-
-
Minimum heat output efficiency rating (60/80°C)
%
-
97,0
-
Minimum heat output efficiency rating (30/50°C)
%
-
108,1
-
Efficiency rating (according to 92/42/CEE)
%
-
-
108,9
NOx emission class
-
Casing heat loss with burner on
-
5
Table 6 – Combustion data for KR 55
KR 85
Pmax
Pmin
30% heat output
Casing heat loss with burner on
%
0,30
0,93
-
Casing heat loss with burner off
%
0,48
Chimney heat loss with burner on
%
2,20
1,79
-
Flue gas system mass flow rate
g/s
38,7
9,6
-
Flue gas/air temperature
°C
47
36
-
Prevalenza residua disponibile
Pa
240
19
-
Maximum heat output efficiency rating (60/80°C)
%
97,3
-
-
Maximum heat output efficiency rating (30/50°C)
%
106,4
-
-
Minimum heat output efficiency rating (60/80°C)
%
-
97,3
-
Minimum heat output efficiency rating (30/50°C)
%
-
107,7
-
30% heat output efficiency rating
%
-
-
108,5
Efficiency rating (according to 92/42/CEE)
-
Casing heat loss with burner on
-
5
Table 7 – Combustion data for KR 85
Содержание KR 55
Страница 1: ...IST 03 C 000 01 INSTALLATION USE AND MAINTENANCE TAHITI CONDENSING KR 55 KR 85 GB...
Страница 22: ...22 KR KR KR KR KR KR 0DIMACAR12 fig 12 Coupling Coupling M Flow 1 G Gas 3 4 F Cold water 1 2 R Return 1...
Страница 34: ...34 fig 21 A 3 5 Wiring diagram 55 KW...
Страница 35: ...35 fig 21 B 85 KW...
Страница 42: ...42...
Страница 43: ...43...