Bosch Greenstar ZBR 16-3 A Series - Page 20

Product Description
Greenstar – 6721822579 (2020/03)
20
Table 5 Technical data ZBR 42-3 A...
ZBR 42-3 A...
Input/Output at elevation 0 - 2000 feet (0 - 610 m) Unit NG LPG (propane)
Max. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 151,600 (44.4) 148,300 (43.5)
Max. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 137,500 (40.3) 137,500 (40.3)
Max. output rate 122/86 °F (50/30 °C) BTU/hr (kW) 137,500 (40.3) 137,500 (40.3)
Max. output rate 176/140 °F (80/60 °C) BTU/hr (kW) 134,400 (39.4) 134,400 (39.4)
Min. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 36,000 (10.5) 46,400 (13.6)
Min. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 35,500 (10.4) 46,400 (13.6)
Min. output rate 122/86 °F (50/30 °C) BTU/hr (kW) 35,100 (10.3) 46,100 (13.5)
Min. output rate 176/140 °F (80/60 °C) BTU/hr (kW) 31,700 (9.3) 42,000 (12.3)
Input/Output at elevation 2000 - 4500 feet (611 - 1372 m) above sea level
Max. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 136,440 (40.0) 139,402 (40.9)
Max. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 123,750 (36.3) 129,250 (37.9)
Max. output rate 122/86 °F (50/30 °C) BTU/hr (kW) 123,750 (36.3) 129,250 (37.9)
Max. output rate 176/140 °F (80/60 °C) BTU/hr (kW) 120,960 (35.5) 126,336 (37.0)
Input/Output at elevation 4500 - 7000 feet (1373 - 2134 m) above sea level
Max. input rate 180/79 °F (82/26 °C) BTU/hr (kW) 125,828 (36.9) 129,021 (37.8)
Max. output rate 104/86 °F (40/30 °C) BTU/hr (kW) 114,125 (33.5) 119,625 (35.1)
Max. output rate 122/86 °F (50/30 °C) BTU/hr (kW) 114,125 (33.5) 119,625 (35.1)
Max. output rate 176/140 °F (80/60 °C) BTU/hr (kW) 111,552 (32.7) 116,928 (34.3)
Gas connection value
Natural Gas – H
s
= 1,010 BTU/ft
3
(37.3MJ/m
3
) ft
3
/hr (m
3
/h) 149 (4.2) –
Liquid Propane Gas – H
D-S
= 2,500 BTU/ft
3
(93.1MJ/m
3
)ft
3
/hr (m
3
/h) – 59 (1.7)
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 18.0/4.5 17.5/5.6
Flue gas temperature 176/140 °F (80/60 °C) at maximum/minimum nominal heat input °F ( °C) 171/135 (77/57) 171/135 (77/57)
Flue gas temperature 104/86 °F (40/30 °C) at maximum/minimum nominal heat input °F ( °C) 133/91 (56/33) 133/91 (56/33)
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) 0.9 (3.5) 0.9 (3.5)
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) ≤ 45 ≤ 45
Max. supply temperature °F ( °C) 187 (86) 187 (86)
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)