Bosch ZBR28-3A - Technical Data Heating Boiler ZBR35-3 A

24 | Information about the appliance
Copyright (optional information)6 720 643 068 (2011/06)
3.13 Technical data heating boiler ZBR35-3A...
Unit NG LPG (propane)
Output
Maximum nominal output (P
max
) 104/86 °F (40/30 °C) BTU/hr (kW) 122,800 (36.0) 122,800 (36.0)
Maximum nominal output (P
max
) 122/86 °F (50/30 °C) BTU/hr (kW) 121,800 (35.7) 121,800 (35.7)
Maximum nominal output (P
max
) 176/140 °F (80/60 °C) BTU/hr (kW) 116,700 (34.2) 116,700 (34.2)
Max. nominal thermal load (Q
max
) heating (H
i
) 180/79 °F (82/26 °C) BTU/hr (kW) 118,700 (34.8) 118,700 (34.8)
Max. nominal thermal load (Q
max
) heating (H
s
) 180/79 °F (82/26 °C) BTU/hr (kW) 131,900 (38.6) 129,100 (37.8)
Min. nominal output (P
min
) 104/86 °F (40/30 °C) BTU/hr (kW) 35,100 (10.3) 46,100 (13.5)
Min. nominal output (P
min
) 122/86 °F (50/30 °C) BTU/hr (kW) 34,800 (10.2) 45,700 (13.4)
Min. nominal output (P
min
) 176/140 °F (80/60 °C) BTU/hr (kW) 31,700 (9.3) 42,000 (12.3)
Min. nominal thermal load (Q
min
) heating (H
i
) 180/79 °F (82/26 °C) BTU/hr (kW) 32,400 (9.5) 42,700 (12.5)
Min. nominal thermal load (Q
min
) heating (H
s
) 180/79 °F (82/26 °C) BTU/hr (kW) 36,000 (10.5) 46,400 (13.6)
Max. nominal thermal load (Q
max
) tank (H
i
) BTU/hr (kW) 118,700 (34.8) 118,700 (34.8)
Max. nominal thermal load (Q
max
) tank (H
s
)BTU/hr (kW)131,900 (38.6) 129,100 (37.8)
Min. nominal thermal load (Q
min
) tank (H
i
)BTU/hr (kW)32,400 (9.5) 42,700 (12.5)
Min. nominal thermal load (Q
min
) tank (H
s
)BTU/hr (kW)36,000 (10.5) 46,400 (13.6)
Gas connection value
Natural Gas – H
s
= 1,010 BTU/ft
3
(37.3MJ/m
3
)ft
3
/hr (m
3
/h) 130 (3.7) –
Liquid Propane Gas – H
D-S
= 2,500 BTU/ft
3
(93.1MJ/m
3
)ft
3
/hr (m
3
/h) – 52 (1.5)
Permissible inlet gas pressure
NG in. W.C. (mbar) 3.5-10.5" (8.7-26.1) –
LPG (propane) in. W.C. (mbar) – 8-13" (19.9-32.3)
Calculation values for calculating cross-section to EN 13384
Flue gas mass flow at maximum/minimum nominal output gps 15.7/4.5 15.2/5.6
Flue gas temperature 176/140 °F (80/60 °C) at maximum/minimum
nominal heat input
°F ( °C)
162/135 (72/57) 162/135 (72/57)
Flue gas temperature 104/86 °F (40/30 °C) at maximum/minimum
nominal heat input
°F ( °C)
127/91 (53/33) 127/91 (53/33)
CO
2
at max. nominal output % 9.4 11.0
CO
2
at minimum nominal output % 8.6 10.4
Condensate
Max. condensate quantity (t
R
= 86 °F (30 °C)) gph (l/h) 0.8 (3.1) 0.8 (3.1)
pH level, approx. 4.8 4.8
Tab. 6 Technical data heating boiler ZBR35-3A...