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3.12
Technical data heating boiler KBR 21 -3
Input/Output
Max. input rate 180/79 °F (82/26 °C)
Max. output rate 104/86 °F (40/30 °C)
Max. output rate 122/86 °F (50/30 °C)
Max. output rate 176/140 °F (80/60 °C)
Min. input rate 180/79 (82/26 °C)
Min. output rate 104/86 °F (40/30 °C)
Min. output rate 122/86 °F (50/30 °C)
Min. output rate 176/140 °F (80/60 °C)
Gas connection value
Natural gas - H
= 1,010 BTU/ft
s
Liquid Propane Gas - HD-S = 2,500 BTU/ft
Permissible gas inlet pressure
NG
LPG (Propane)
Flue gas
Flue gas mass flow at maximum/minimum nominal output
Flue gas temperature 176/140 °F (80/60 °C) at maximum/minimum nominal
heat input
Flue gas temperature 104/86 °F (40/30 °C) at maximum/minimum nominal
heat input
CO
at maximum nominal output
2
CO
at minimum nominal output
2
Condensate
Maximum condensate quantity (t
pH level approx.
General
Voltage
Frequency
Max. power consumption (central heating mode)
Max. power consumption (standby mode)
Sound pressure level
Max. supply temperature
Max. permissible operating pressure (P
Permissible ambient temperature
Nominal water capacity (heating)
Weight (without packaging)
Maximum overall dimensions W x H x D
Greenstar FS
3
3
(37.3 MJ/m
)
3
3
(93.1 MJ/m
)
= 86 °F (30 °C))
R
) heating
MS
Information about the appliance | 17
Unit
NG
BTU/hr (kW)
79,200 (23.2)
BTU/hr (kW)
74,700 (21.9)
BTU/hr (kW)
74,000 (21.7)
BTU/hr (kW)
70,300 (20.6)
BTU/hr (kW)
24,600 (7.2)
BTU/hr (kW)
23,900 (7.0)
BTU/hr (kW)
23,900 (7.0)
BTU/hr (kW)
21,800 (8.4)
3
3
ft
/hr (m
/h)
78 (2.2)
3
3
ft
/hr (m
/h)
-
in. W.C. (mbar)
3.5-10.5" (8.7-26.1)
in. W.C. (mbar)
-
gps
9.4/3.2
°F ( °C)
145/133 (63/56)
°F ( °C)
115/90 (46/32)
%
9.4
%
8.6
gph (i/h)
0.32 (1.2)
4.8
Vac
120
Hz
60
W
205
W
<6
≤ 39
dB (A)
°F ( °C)
190 (88)
psi (bar)
30 (2.07)
°F ( °C)
32 - 122 (0 - 50)
Gal (L)
0.925 (3.5)
lbs (kg)
132(60)
15/
inch
21
x 41
16
(mm)
557 x 1048 x 555
LPG (Propane)
77,500 (22.7)
74,700 (21.9)
74,000 (21.7)
70,300 (20.6)
40,100 (11.7)
39,900 (11.7)
39,600 (11.6)
36,200 (10.6)
-
31 (0.9)
-
8-13" (19.9-32.3)
9.2/4.8
145/133 (63/56)
115/90 (46/32)
11.0
10.4
0.32 (1.2)
4.8
120
60
205
<6
≤ 39
190 (88)
30 (2.07)
32 - 122 (0 - 50)
0.925 (3.5)
132(60)
1/
7/
15/
1/
x 21
21
x 41
x 21
4
8
16
4
557 x 1048 x 555
6 720 810 590 (2015/05)
7/
8
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