Bosch ZWB35-3A Series - Technical Data

18 | Information about the appliance
Greenstar6 720 806 992 (2015/03)
3.11 Technical data heating boiler ZBR16-3A...
Input/Output Unit NG LPG (propane)
Max. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 57,200 (16.8) 56,400 (16.5)
Max. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 54,900 (16.1) 55,300 (16.2)
Max. output rate 122/86 °F (50/30 °C) BTU/hr (kW) 54,300 (15.9) 54,600 (16.0)
Max. output rate 176/140 °F (80/60 °C) BTU/hr (kW) 50,800 (14.9) 51,200 (15.0)
Min. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 12,900 (3.8) 21,500 (6.3)
Min. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 12,600 (3.7) 21,500 (6.3)
Min. output rate 122/86 °F (50/30 °C) BTU/hr (kW) 12,600 (3.7) 21,500 (6.3)
Min. output rate 176/140 °F (80/60 °C) BTU/hr (kW) 11,300 (3.3) 19,400 (5.7)
Gas connection value
Natural Gas – H
s
= 1,010 BTU/ft
3
(37.3 MJ/m
3
)ft
3
/hr (m
3
/h) 56 (1.6) –
Liquid Propane Gas – HD-S = 2,500 BTU/ft3 (93.1 MJ/m3) ft
3
/hr (m
3
/h) – 22 (0.6)
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)
Flue gas
Flue gas mass flow at maximum/minimum nominal output gps 6.8/1.7 6.7/2.6
Flue gas temperature 176/140 °F (80/60 °C) at maximum/minimum nominal
heat input
°F ( °C) 136/133 (58/56) 136/133 (58/56)
Flue gas temperature 104/86 °F (40/30 °C) at maximum/minimum nominal
heat input
°F ( °C) 99/88 (37/31) 99/88 (37/31)
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) 0.32 (1.2) 0.32 (1.2)
pH level, approx. 4.8 4.8
General
Voltage VAC 120 120
Frequency Hz 60 60
Max. power consumption (central heating mode) W 205 205
Max. power consumption (Stand-by) W < 6 < 6
Sound pressure level
dB(A)
33 33
Max. supply temperature °F ( °C) 190 (88) 190 (88)
Max. permissible operating pressure (P
MS
) heating psi (bar) 30 (2.07) 30 (2.07)
Permissible ambient temperature °F ( °C) 32 - 122 (0 - 50) 32 - 122 (0 - 50)
Nominal water capacity (heating) Gal (L) 0.925 (3.5) 0.925 (3.5)
Weight (without packaging) lbs. (kg) 103.6 (47) 103.6 (47)
Dimensions, W x H x D inch
(mm)
17-21/64" × 33-15/32" × 13-57/64"
(440 × 850 × 353)
Table 3 Technical data heating boiler ZBR16-3A...