Technical Description; Equipment Level Of The Gas Condensing Boilers; Equipment Overview Logamax Plus Gb162-15, Gb162-25, Gb162-35 And Gb162-45 - Buderus Logamax plus GB162 Technical Manual

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Technical description

2.1

Equipment level of the gas condensing boilers

2.1.1

Equipment overview Logamax plus GB162-15, GB162-25, GB162-35 and GB162-45

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20
19
18
17
16
15
14
13
12
11
GAS AKO VS RS
Fig. 3 Selected components and assemblies of the
Logamax plus GB162-15/25/35/45
(connections not visible
page 13)
AKO Condensate outlet (not visible)
GAS Gas connection (not visible)
RK Boiler return (not visible)
VK Boiler flow (not visible)
RS DHW cylinder return (not visible)
VS DHW cylinder flow (not visible)
1 Boiler flue connection (flue outlet)
2 Ceramic linear radiant burner
3 Boiler ID module
4 ALUplus heat exchanger
5 Safety temperature sensor
6 Fan
7 Return temperature sensor
8 Pressure sensor
9 Modulating high efficiency pump,efficiency category A
(available as an accessory for the GB162-45)
10 Slot B, for example for RC35 programming unit
11 Siphon (not visible)
12 3-way diverter valve (not visible) up to 35 kW
13 Condensate pan
14 Flow temperature sensor
15 Gas line
16 Gas valve
17 Air intake pipe
18 Venturi nozzle
19 Ionisation electrode
20 Incandescent ignition electrode
21 Automatic air vent valve
6 720 645 821 (2010/09) – Logamax plus GB162
1
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3
4
5
6
7
8
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10
VK RK
6 720 642 463-03.1il
fig. 6 and fig. 7,
The wall mounted Logamax plus GB162-15/25/35/45
gas condensing boilers have been tested in compliance
with the Gas Appliances Directive 90/396/EEC. The
requirements of standards EN 483 and EN 677 were
taken into consideration. The Logamax plus
GB162-15/25/35/45 gas condensing boilers can be
operated with natural gas and LPG in accordance with
appliance category II
2ELL3P
Boiler block, burner and heat exchanger
• Internal sealed combustion chamber
• Ceramic premix gas burner
• ALUplus heat exchanger with high quality condensing
heating surface with plasma polymerisation for:
– Compact dimensions, yet high output
– Long service life through improved resistance
– Permanently high efficiency, as contamination is
prevented
– Low maintenance operation with quick and simple
maintenance
– Optimised flow technology within the heat
exchanger pipes through new internal pattern
• KombiVENT gas:air unit comprising a fan, gas valve,
gas nozzle and venturi nozzle
• Flame monitoring system
• 120 V incandescent ignition
Hydraulic components GB162-15/25/35
• Heating circuit pump, efficiency category A
– Bosch OEM high efficiency pump with Q
differential pressure and output-dependent control
• Digital pressure gauge on the Logamatic BC10 base
controller
• Automatic air vent valve
• Safety valve (response pressure 3 bar)
- 4 bar option available
• Integral 3-way diverter valve
• Siphon
• Connection fittings for flow and return, as well as
cylinder flow and return
Technical description
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label,
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