Technical Data Heating Boiler Zbr42-3A - Bosch ZBR16-3A Installation And Service Instructions Manual
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26 | Information about the appliance
3.14 Technical data heating boiler ZBR42-3A...
Output at elevation 0 - 2000 feet (0 - 610 m)
Maximum nominal output (P
max
Maximum nominal output (P
max
Maximum nominal output (P
max
Max. nominal thermal load (Q
Max. nominal thermal load (Q
Min. nominal output (P
) 104/86 °F (40/30 °C)
min
Min. nominal output (P
) 122/86 °F (50/30 °C)
min
Min. nominal output (P
) 176/140 °F (80/60 °C)
min
Min. nominal thermal load (Q
Min. nominal thermal load (Q
Max. nominal thermal load (Q
Max. nominal thermal load (Q
Min. nominal thermal load (Q
Min. nominal thermal load (Q
Output at elevation 2000 - 4500 feet (611 - 1372 m) above sea level
Maximum nominal output (P
max
Maximum nominal output (P
max
Maximum nominal output (P
max
Max. nominal thermal load (Q
Max. nominal thermal load (Q
Max. nominal thermal load (Q
Max. nominal thermal load (Q
Output at elevation 4500 - 7000 feet (1373 - 2134 m) above sea level
Maximum nominal output (P
max
Maximum nominal output (P
max
Maximum nominal output (P
max
Max. nominal thermal load (Q
Max. nominal thermal load (Q
Max. nominal thermal load (Q
Max. nominal thermal load (Q
Gas connection value
Natural Gas – H
= 1,010 BTU/ft
s
Liquid Propane Gas – H
= 2,500 BTU/ft
D-S
Permissible inlet gas pressure
NG
LPG (propane)
Tab. 7
Technical data heating boiler ZBR42-3A...
6 720 643 068 (2011/06)
) 104/86 °F (40/30 °C)
) 122/86 °F (50/30 °C)
) 176/140 °F (80/60 °C)
) heating (H
) 180/79 °F (82/26 °C)
max
i
) heating (H
) 180/79 °F (82/26 °C)
max
s
) heating (H
) 180/79 °F (82/26 °C)
min
i
) heating (H
) 180/79 °F (82/26 °C)
min
s
) tank (H
)
max
i
) tank (H
)
max
s
) tank (H
)
min
i
) tank (H
)
min
s
) 104/86 °F (40/30 °C)
) 122/86 °F (50/30 °C)
) 176/140 °F (80/60 °C)
) heating (H
) 180/79 °F (82/26 °C)
max
i
) heating (H
) 180/79 °F (82/26 °C)
max
s
) tank (H
)
max
i
) tank (H
)
max
s
) 104/86 °F (40/30 °C)
) 122/86 °F (50/30 °C)
) 176/140 °F (80/60 °C)
) heating (H
) 180/79 °F (82/26 °C)
max
i
) heating (H
) 180/79 °F (82/26 °C)
max
s
) tank (H
)
max
i
) tank (H
)
max
s
3
3
(37.3MJ/m
)
3
3
(93.1MJ/m
)
Unit
NG
BTU/hr (kW)
137,500 (40.3)
BTU/hr (kW)
137,500 (40.3)
BTU/hr (kW)
134,400 (39.4)
BTU/hr (kW)
136,500 (40.0)
BTU/hr (kW)
151,600 (44.4)
BTU/hr (kW)
35,500 (10.4)
BTU/hr (kW)
35,100 (10.3)
BTU/hr (kW)
31,700 (9.3)
BTU/hr (kW)
32,400 (9.5)
BTU/hr (kW)
36,000 (10.5)
BTU/hr (kW)
136,500 (40.0)
BTU/hr (kW)
151,600 (44.4)
BTU/hr (kW)
32,400 (9.5)
BTU/hr (kW)
36,000 (10.5)
BTU/hr (kW)
123,750 (36.3)
BTU/hr (kW)
123,750 (36.3)
BTU/hr (kW)
120,960 (35.5)
BTU/hr (kW)
122,850 (36.0)
BTU/hr (kW)
136,440 (40.0)
BTU/hr (kW)
122,850 (36.0)
BTU/hr (kW)
136,440 (40.0)
BTU/hr (kW)
114,125 (33.5)
BTU/hr (kW)
114,125 (33.5)
BTU/hr (kW)
111,552 (32.7)
BTU/hr (kW)
113,295 (33.2)
BTU/hr (kW)
125,828 (36.9)
BTU/hr (kW)
113,295 (33.2)
BTU/hr (kW)
125,828 (36.9)
3
3
ft
/hr (m
/h)
149 (4.2)
3
3
ft
/hr (m
/h)
in. W.C. (mbar)
3.5-10.5" (8.7-26.1)
in. W.C. (mbar)
LPG (propane)
137,500 (40.3)
137,500 (40.3)
134,400 (39.4)
136,500 (40.0)
148,300 (43.5)
46,400 (13.6)
46,100 (13.5)
42,000 (12.3)
42,700 (12.5)
46,400 (13.6)
136,500 (40.0)
148,300 (43.5)
42,700 (12.5)
46,400 (13.6)
129,250 (37.9)
129,250 (37.9)
126,336 (37.0)
128,310 (37.6)
139,402 (40.9)
128,310 (37.6)
139,402 (40.9)
119,625 (35.1)
119,625 (35.1)
116,928 (34.3)
118,755 (34.8)
129,021 (37.8)
118,755 (34.8)
129,021 (37.8)
–
–
59 (1.7)
–
–
8-13" (19.9-32.3)
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