Equipment Overview Logamax Plus Gb162-25 T40S - Buderus Logamax plus GB162 Technical Manual

2 Technical description
Hydraulic components GB162-45
• Gas condensing boiler supplied without integral
heating circuit pump; with sleeve socket
• Optional heating circuit pumps are as follows:
– Pump in efficiency category A (optional integration
into the appliance):
Grundfos high efficiency pump UPM 15-70 2W,
differential pressure and output-dependent control
– External pump: only Δp-controlled
Wilo Stratos 25/1-8 or Grundfos Magna 25-60
• Safety valve (response pressure 4 bar)
2.1.2

Equipment overview Logamax plus GB162-25 T40S

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Fig. 4 Selected components and assemblies of the Logamax plus GB162-25 T40S (connections not visible
fig. 8, page 13)
AKO Condensate outlet (not visible)
AW DHW outlet (not visible)
EK Cold water inlet (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 Stratification cylinder
5 Safety temperature sensor
6 Fan
7 Pressure sensor
8 Return temperature sensor
9 Plate heat exchanger
10 Cold water inlet sensor
11 Drain tap
12 Siphon (not visible)
13 3-way diverter valve (not visible)
14 Modulating high efficiency pump, efficiency category A
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GAS AKO VS RS VK RK
Control components
• Universal burner control unit UBA3.5
• Logamatic BC10 base controller
AW EK
15 Condensate pan
16 Safety valve
17 Flow temperature sensor
18 Gas line
19 Gas valve
20 Air intake pipe
21 Venturi nozzle
22 ALUplus heat exchanger
23 Ionisation electrode
24 Incandescent ignition electrode
25 Automatic air vent valve
The wall mounted Logamax plus GB162-25 T40S gas
condensing boiler has 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
GB162-25 T40S is operated with natural gas and LPG in
accordance with appliance category II
6 720 645 821 (2010/09) – Logamax plus GB162
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6 720 642 463-04.1il
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