Technical Specifications - Buderus logamax plus gb142-24 Installation Manual

15 Appendix

15.3 Technical specifications

General specifications
Gas category
Rated thermal load for Natural gas
Rated heating capacity for heating curve 176/140 °F
(80 – 60 °C)
Rated heating capacity for heating curve 122/86 °F
(50 – 30 °C)
Boiler efficiency rating max. capacity for heating curve
176/140 °F (80 – 60 °C)
Boiler efficiency rating max. capacity for heating curve
122/86 °F (50 – 30 °C)
CSA output
Heating
Max. flow temperature
Heater water temperature
Max. operating overpressure of boiler
Heat exchanger heating circuit volume
Pipe connections
Gas connection
Heating system water connection
Condensate water connection
Flue gas values
Condensate water quantity for natural gas G20, 104/86 °F
(40/30 °C)
pH value condensate water
Flue gas mass flow rate at full load
Flue gas temperature 176/140 °F (80/60 °C), full load
Flue gas temperature 176/140 °F (80/60 °C), partial load
Flue gas temperature 122/86 °F (50/30 °C), full load
Flue gas temperature 122/86 °F (50/30 °C), partial load
CO content, full load, natural gas G20
2
CO content, full load, LPG G31, propane
2
Standard emission factor CO
Standard emissions factor NO
Free fan unit feed pressure
Flue gas connection
Ø Flue system, dependent on the air in the room
Ø Flue system, independent of the air in the room
Electric data
main voltage
Fuses
Electrical protection rating
Electrical power consumption, at full load
Electrical power consumption, at partial load
Table 14 Technical specifications
1
If the heating capacity is limited to max. 80% (L80).
Buderus • http://www.buderus.net
56
x
Unit boiler cap.
24 kW
Natural gas
btu/hr 25,700 – 84,800 31,800 – 106,000 46,000 – 149,000 66,000 – 214,800
btu/hr 22,700 – 75,200
btu/hr 25,300 – 83,300 30,700 – 102,400 45,100 – 146,300 64.800 – 211,600
% 88
% 97
btu/hr 76,300
°F (°C) 194 (90)
°F (°C) 86 – 190 (30 –
90), can be set on
90), can be set on
BC10 basic
controller
psi (bar) 43.5 (3)
gallons (l) 0.7 (2.5)
inch ¾" NPT
inch (mm) 1.0" NPT (25.4)
inch (mm) Ø 1.3" (Ø 32)
gallons 2.6
per hour
pH approx. 4.1
g/s 10.0
°F (°C) 150 (66)
°F (°C) 135 (57)
°F (°C) 113 (45)
°F (°C) 91 (33)
% 9.2
% 10.0
≤ 15
mg/kWh
≤ 20
mg/kWh
inch W.C. up to 0.023
(Pa) (up to 60)
inch (mm) 3 (80)
inch (mm) 3/3 (80/80)
parallel
V, Hz 120, 60
amps 5 amps 120V
slow blow
IP X4D
W 96
W 22
We reserve the right to make any changes due to technical modifications!
Installation instructions Logamax plus GB142-24/30/45/60 • version 10/2007
boiler cap. boiler cap.
30 kW 45 kW
Natural gas Natural gas
28,100 – 91,500 40,600 – 131,500 58,200 – 189,800
88 88
97 97
95,400 144,800
194 (90) 194 (90)
86 – 190 (30 –
86 – 190 (30 –
90), can be set on
BC10 basic
BC10 basic con-
controller
troller
43.5 (3) 58 (4)
0.7 (2.5) 1.0 (3.6)
¾" NPT ¾" NPT
1.0" NPT (25.4) 1.0" NPT (25.4)
Ø 1.3" (Ø 32) Ø 1.3" (Ø 32)
3.3 4.7
approx. 4.1 approx. 4.1
12.6 19.4
167 (75) 150 (66)
137 (58) 135 (57)
118 (48) 96 (36)
91 (33) 91 (33)
9.2 9.3
10.0 10.0
≤ 15 1 ≤ 15
≤ 20 ≤ 20
1
up to 0.039 up to 0.054
(up to 100) (up to 140)
3 (80) 3 (80)
3/3 (80/80) 3/3 (80/80)
parallel parallel
120, 60 120, 60
5 amps 120V 5 amps 120V
slow blow slow blow
IP X4D IP X4D
117 64
22 20
boiler cap.
60 kW
Natural gas
88
97
178,900
194 (90)
86 – 190 (30 –
90), can be set on
BC10 basic
controller
58 (4)
1.3 (4.7)
¾" NPT
1.0" NPT (25.4)
Ø 1.3" (Ø 32)
7.1
approx. 4.1
25.9
150 (66)
135 (57)
96 (36)
91 (33)
9.3
10.0
≤ 15
≤ 20
up to 0.054
(up to 140)
3 (80)
3/3 (80/80)
parallel
120, 60
5 amps 120V
slow blow
IP X4D
82
22