Technical Data Combi Boiler Kwb 28-3; Technical Data Combi Boiler Kwb 35 - 3 - Bosch KBR16-3 Installation And Service Instructions Manual

3.16

Technical data combi boiler KWB 28-3

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)
Output rate domestic hot water (DHW) 113 °F (45 °C)
Output rate domestic hot water (DHW) 140 °F (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)
Expansion vessel
Pre-charge pressure
Total contents
DHW
Max. DHW flow rate
Nominal DHW flow rate (at 140 °F (60 °C) outlet temperature)
Outlet temperature
Max. cold water inlet temperature
Max. approved DHW pressure
Minimum water pressure
Flue gas
Flue gas mass flow at maximum/minimum nominal output
Flue gas temperature 176/140 °F (80/60 °C) at max./min. nominal heat input
Flue gas temperature 104/86 °F (40/30 °C) at max./min. 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 | 21
Unit NG
BTU/hr (kW) 100,800 (29.5)
BTU/hr (kW) 93,800 (27.5)
BTU/hr (kW) 93,100 (27.3)
BTU/hr (kW) 89,400 (26.2)
BTU/hr (kW) 93,600 (27.4)
BTU/hr (kW) 91,400 (26.8)
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 (6.4)
3 3
ft /hr (m /h) 99 (2.8)
3 3
ft /hr (m /h) -
in. W.C. (mbar) 3.5-10.5" (8.7-26.1)
in. W.C. (mbar)
psi (bar) 10.9 (0.75)
Gal (L) 3.17 (12)
gpm (l/min) 2.64 (10)
gpm (l/min) 2.03 (7.7)
°F ( °C) 104 - 140 (40 - 60)
°F ( °C) 140 (60)
psi (bar) 150 (10.3)
psi (bar) 4.35 (0.3)
gps 12.0/3.2
°F ( °C) 147/133 (64/56)
°F ( °C) 117/90 (47/32)
% 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) 136.5(62)
11/ 1/
inch 23 x 41
16
(mm)
602 x 1048 x 555
LPG (Propane)
98,600 (28.9)
93,800 (27.5)
93,100 (27.3)
89,400 (26.2)
93,600 (27.4)
91,400 (26.8)
40,100 (11.7)
39,900 (11.7)
39,600 (11.6)
36,200 (10.6)
-
39 (1.1)
8-13" (19.9-32.3)
10.9 (0.75)
3.17 (12)
2.64 (10)
2.03 (7.7)
104 - 140 (40 - 60)
140 (60)
150 (10.3)
4.35 (0.3)
11.7/4.9
147/133 (64/56)
117/90 (47/32)
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)
136.5(62)
7/ 11/ 1/
x 21 23 x 41 x 21
4 8 16 4
602 x 1048 x 555
6 720 810 590 (2015/05)
7/
8