Submittal Sheet

Bosch Thermotechnology Corp. reserves the right to make changes without notice due
to continuing engineering and technological advances | BTC 436008102 A | 07.2011
Bosch Thermotechnology Corporation
Londonderry, NH • Ft. Lauderdale, FL • Irvine, CA
Tel: [phone] Fax: [phone] www.bosch-climate.us
Engineering Submittal Sheet
Bosch Greenstar
57, 100, 131, 151 Heating Boiler
Technical data Greenstar 57 Heating Boiler
Output Unit NG LPG (propane)
Maximum nominal output (Pmax) 104/86 °F (40/30 °C) BTU/hr (kW) 54,900 (16.1)
55,300 (16.2)
Maximum nominal output (Pmax) 122/86 °F (50/30 °C) BTU/hr (kW) 54,300 (15.9) 54,600 (16.0)
Maximum nominal output (Pmax) 176/140 °F (80/60 °C) BTU/hr (kW) 50,800 (14.9) 51,200 (15.0)
Max. nominal thermal load (Qmax) heating (Hi) 180/79 °F (82/26 °C) BTU/hr (kW) 51,500 (15.1) 51,900 (15.2)
Max. nominal thermal load (Qmax) heating (Hs) 180/79 °F (82/26 °C) BTU/hr (kW) 57,200 (16.8) 56,400 (16.5)
Min. nominal output (Pmin) 104/86 °F (40/30 °C) BTU/hr (kW) 12,600 (3.7) 21,500 (6.3)
Min. nominal output (Pmin) 122/86 °F (50/30 °C) BTU/hr (kW) 12,600 (3.7) 21,500 (6.3)
Min. nominal output (Pmin) 176/140 °F (80/60 °C) BTU/hr (kW) 11,300 (3.3) 19,400 (5.7)
Min. nominal thermal load (Qmin) heating (Hi) 180/79 °F (82/26 °C) BTU/hr (kW) 11,600 (3.4) 19,800 (5.8)
Min. nominal thermal load (Qmin) heating (Hs) 180/79 °F (82/26 °C)
BTU/hr (kW) 12,900 (3.8)
21,500 (6.3)
Technical data Greenstar 57 Heating Boiler
Gas supply requirements Unit NG LPG (propane)
Natural Gas – Hs = 1,010 BTU/ft³ (37.3MJ/m³) ft³/hr (m³/h) 56 (1.6)
–
Liquid Propane Gas – HD-S = 2,500 BTU/ft³ (93.1MJ/m³) ft³/hr (m³/h) – 22 (0.6)
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)
Technical data Greenstar 57 Heating Boiler
Condensate Unit NG LPG (propane)
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
2 of 7
Technical data Greenstar 57 Heating Boiler
General Unit NG LPG (propane)
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
Noise level dB(A) ≤ 33 ≤ 33
Maximum supply temperature °F ( °C) 194 (90) 194 (90)
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)