Read carefully before installation
Gas conversion kit instructions
Floor standing RSF gas
fired condensing boiler
Logano plus GB102/GB102S
6720812906-00.1Wo
Regular 16, 30, 42
System 16, 30
6 720 812 906 (2014/09)
Contents
Logano plus GB102GB102S– 6 720 812 906 (2014/09)2
Contents
1 Key to symbols and safety instructions . . . . . . . . . . . . 3
1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 General safety instructions . . . . . . . . . . . . . . . . . . . 3
2 Gas Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Gas Conversion kits . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Gas pipe conversion kit . . . . . . . . . . . . . . . . . . . . . . 4
2.2.1 Gas pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3 Heat control module (HCM) . . . . . . . . . . . . . . . . . . 5
2.3.1 HCM change . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.4 LPG conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4.1 Gas pipe removal . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4.2 LPG pipe fitting . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.5 Update boiler data label . . . . . . . . . . . . . . . . . . . . . 7
2.6 Update boiler identification label . . . . . . . . . . . . . . 7
2.7 Finishing conversion . . . . . . . . . . . . . . . . . . . . . . . . 7
Logano plus GB102/GB102S – 6 720 812 906 (2014/09) 3
Key to symbols and safety instructions
1
1 Key to symbols and safety instructions
1.1 Key to symbols
Warnings
The following keywords are defined and can be used in this
document:
• NOTICE indicates a situation that could result in damage to
property or equipment.
• CAUTION indicates a situation that could result in minor to
medium injury.
• WARNING indicates a situation that could result in severe
injury or death.
• DANGER indicates a situation that will result in severe
injury or death.
Important information
Additional symbols
1.2 General safety instructions
These installation instructions are intended for gas fitters,
plumbers, heating engineers and electricians.
▶ Read any installation instructions (boiler, heating controls,
etc.) carefully before starting the installation.
▶ Observe the safety instructions and warnings.
▶ Observe national and regional regulations, technical rules
and guidelines.
▶ Record all work carried out.
If you smell gas
A gas leak could potentially cause an explosion. If you smell gas,
observe the following rules.
▶ Prevent flames or sparks:
– Do not smoke, use a lighter or strike matches.
– Do not operate any electrical switches or unplug any
equipment.
– Do not use the telephone or ring doorbells.
▶ Turn off the gas at the meter or regular
▶ Open windows and doors
▶ Warn your neighbours and leave the building
▶ Prevent anyone from entering the building.
▶ Stay well away from the building: call Emergency Services
▶ LPG boilers: Call the supplier’s number on the side of the
gas tank
Intended use
This boiler must only be used as a heating appliance in a sealed
hot water heating system for domestic purposes.
Any other use is considered inappropriate. Any damage that
results from such use is excluded from liability.
Installation, commissioning and servicing
Installation, commissioning and servicing must only be carried
out by a competent, Gas Safe registered engineer.
▶ Carry out a gas tightness test after completing work on gas-
carrying components.
▶ Only use original spares.
Electrical work
Electrical work must only be carried out by a qualified
electrician.
▶ Before starting electrical work:
– Isolate the mains electrical supply and secure against
unintentional re-connection.
– Check for zero potential.
▶ Also see connection diagrams of other system
components.
Warnings in this document are identified by
a warning triangle printed against a grey
background.
Keywords at the start of a warning indicate
the type and seriousness of the ensuing risk
if measures to prevent the risk are not taken.
This symbol indicates important information
where there is no risk to people or property.
Symbol Explanation
▶ Step in an action sequence
Cross-reference to another part of the document
•List entry
– List entry (second level)
Gas Conversion
Logano plus GB102GB102S– 6 720 812 906 (2014/09)4
2
2Gas Conversion
2.1 Gas Conversion kits
To convert to LPG, a Gas Conversion kit is required.
The kit comprises:
• Gas pipe assembly
–Gas pipe
–O ring
– Dust shield
–Securing nut
• Heat Control Module (HCM)
• HCM tether
• Labels to confirm the new gas type
Table 1, page 5, lists the Gas Conversion kit part numbers.
2.2 Gas pipe conversion kit
Refer to the Installation, Commissioning and Servicing
instructions and remove the boiler front panel and combustion
chamber cover and put the control panel in the service
position.
2.2.1 Gas pipe
The gas pipe is supplied already assembled for ease of
installation.
Fig. 1 Gas pipe assembly
[1] Gas pipe
[2] Dust shield
[3] O ring
[4] Securing nut
[4] Heat Control Module (HCM)
NOTICE: COMBUSTION TESTING
▶ Combustion testing must be carried out by
a competent person. Testing must not be
attempted unless the person carrying out
the combustion check is equipped with a
calibrated Combustion Analyser and is
competent in its use
NOTICE: CO/CO
2
CHECKS
▶ If the joint between the Air/Gas manifold
and heat exchanger is disturbed the
sealing gasket must be replaced
▶ After completing the service of the
appliance, the CO/CO
2
mu st b e c hec ked to
the limits shown in the relevant
Installation, Commissioning and Servicing
instructions
CAUTION: Appliance siting
▶ This appliance must not be installed into a
room or internal space below ground level
when it is intended for use with LPG
(Propane - G31). This does not preclude
the installation into a room or space that is
in a basement on one side of the building
but is open to ground level on the opposite
side
CAUTION: Mains supplies
▶ Turn off the gas supply and isolate the
electrical mains supply before starting any
work on the appliance and observe all
relevant safety precautions
1
2
3
4
5
6720812906-01.1Wo
Logano plus GB102/GB102S – 6 720 812 906 (2014/09) 5
Gas Conversion
2
2.3 Heat control module (HCM)
Remove the front panel, refer to the Installation,
Commissioning and Servicing instructions.
Fig. 2 HCM detail
[1] HCM identification number
[2] Date stamp
[3] Software version
2.3.1 HCM change
1. Lower the control panel into the service position, refer to
the Installation, Commissioning and Servicing instructions
2. Cut the HCM tether.
3. Press in the catch on the HCM and pull out
▶ Refer to the table below and check the number against the
number on the HCM to ensure you have the correct part is
fitted.
▶ Attach the new HCM and tether, (the tether passes through
a hole in the chassis),
▶ Fit the HCM into the back of the control panel, and press
fully home until the clip engages
▶ Return the control panel to the closed position and secure
Fig. 3 HCM location
32
6720647469-22.2Wo
1
Boiler details Gas conversion kit details
Gas
type
Boiler part numbers Gas conversion kit type
Gas conversion kit
numbers
HCM software number HCM ident
NG 7 731 600 006 Logano Plus GB102 16kW NG > LPG 7 731 600 076 8 716 117 216 7216
NG 7 731 600 007 Logano Plus GB102 30kW NG > LPG 7 731 600 077 8 716 117 218 7218
NG 7 731 600 008 Logano Plus GB102 42kW NG > LPG 7 731 600 078 8 716 117 220 7220
NG 7 731 600 009 Logano Plus GB102S 16kW NG > LPG 7 731 600 079 8 716 117 223 7223
NG 7 731 600 010 Logano Plus GB102S 30kW NG > LPG 7 731 600 080 8 716 117 227 7227
Table 1 Boiler range
6720812906-03.1Wo
Gas Conversion
Logano plus GB102GB102S– 6 720 812 906 (2014/09)6
2
2.4 LPG conversion
Remove the four bolts securing the combustion chamber cover
and remove the cover to access the gas pipe.
2.4.1 Gas pipe removal
1. Remove the air intake pipes, if fitted, by pulling down and
away from the pre-mix chamber
2. Unscrew the gas pipe securing nut
3. Push the gas pipe assembly up into the pre-mix chamber, to
clear the gas valve
4. Move the assembly to the left into the space next to the gas
valve and pull the assembly down to remove
Fig. 4 Removing gas pipe
2.4.2 LPG pipe fitting
▶ Ensure that the O ring is fitted to the bottom end of the
pipe, refer to figure 1, a new O ring is provided in case the
original is lost or damaged
▶ Introduce the new gas pipe assembly into the space to the
left of the gas valve and insert the top of the pipe into the
pre-mix chamber
▶ Push the assembly up until it clears the top of the gas valve
▶ Pull the assembly down on top of the gas valve and secure
with the nut
▶ Re-fit the air intake pipes securely into the pre-mix
chamber
▶ Check the gas pressure at the gas valve, nominally 37mbar,
refer to the installation, Commissioning and Servicing
manual for the correct procedure. If the gas pressure is
satisfactory continue on to the CO
2
checks
▶Check the CO/CO
2
settings, refer to the table below, if the
CO/CO
2
settings require adjustment refer to the
Installation, Commissioning and Servicing manual for the
correct procedure.
▶ If all the checks are within tolerance, then fit the dust cap to
the throttle adjuster
▶ Re-fit the combustion chamber cover.
2.
6720812906-02.1Wo
3.
4.
1.
System & Regular boilers 16kW 30kW 42kW
% CO
2
at max. output 0.5 10.8 10.8 10.8
% CO
2
at min. output 0.5 10.4 10.4 10.4
Logano plus GB102/GB102S – 6 720 812 906 (2014/09) 7
Gas Conversion
2
2.5 Update boiler data label
From the LPG Conversion kit:
1. Up-date the data label [A] to show the gas conversion
variant data, peel off the larger portion of the new label [B].
2. Apply the new label [B] over the original data label [A] on
the inside of the boiler, to cover the original data.
2.6 Update boiler identification label
3. To identify the boiler gas conversion variant for the end
user, peel off the smaller portion of the label [D].
4. Apply the new label [D] under the original label [C] on the
top front corner of the right hand side panel as shown in
figure 5, The other portion of the label can be discarded.
Fig. 5 Label overlay positions
[A] Original Natural Gas data label
[B] New LPG data label
[C] Original appliance identification label
[D] LPG identification label
2.7 Finishing conversion
When the Gas Conversion kit has been fitted, refer to the
Installation, Commissioning and Service instruction for the
relevant boiler and perform the following checks:
• Flue integrity
• Gas inlet pressure
•Fan pressure
• Flue gas analysis
C
A
Bosch Thermotechnik GmbH
D-35576 Wetzlar/Germany
BUDERUS
Condensatieketel/Chaudiere a Condensation/
Brennwertkessel KBR 16
Buderus Logano plus GB102 16 LPG
Best.-Nr./Num. de Com.: 7 731 600 006
BE-I2E(S)B - C13 C33(S)C43 C53 C83 B23
Aardgas/gaz nat. 2E - G20/G25 - 20/25mbar
Erdgas G20/20mbar G25/25mbar
Qn(kW) **-** **-**
Pn(kW) 50/30 C **-** **-**
Pn(kW) 80/60 C **-** **-**
Qnw(kW) (san.) **-** **-**
Pnw(kW) (san.) **-** **-**
PMS (c.c./CC.) max. * bar
D ( T=30K, EN 625) ** l/min
NOx-Klasse/ Classe NOx *
230V 50Hz 123W
IPX4D
CE-0085BS0166
Bosch Thermotechnik GmbH
D-35576 Wetzlar/Germany
BUDERUS
Condensatieketel/Chaudiere a Condensation/
Brennwertkessel KBR 16
Buderus Logano plus GB102 16 LPG
Best.-Nr./Num. de Com.: 7 731 600 006
BE-I2E(S)B - C13 C33(S)C43 C53 C83 B23
Aardgas/gaz nat. 2E - G20/G25 - 20/25mbar
Erdgas G20/20mbar G25/25mbar
Qn(kW) **-** **-**
Pn(kW) 50/30 C **-** **-**
Pn(kW) 80/60 C **-** **-**
Qnw(kW) (san.) **-** **-**
Pnw(kW) (san.) **-** **-**
PMS (c.c./CC.) max. * bar
D ( T=30K, EN 625) ** l/min
NOx-Klasse/ Classe NOx *
230V 50Hz 123W
IPX4D
CE-0085BS0166
D
Bosch Thermotechnik GmbH
D-35576 Wetzlar/Germany
Condensatieketel/Chaudiere a Condensation/
Brennwertkessel KBR 16
Buderus Logano plus GB102 16 LPG
Best.-Nr./Num. de Com.: 7 731 600 006
BE-I2E(S)B - C13 C33(S)C43 C53 C83 B23
Aardgas/gaz nat. 2E - G20/G25 - 20/25mbar
Erdgas G20/20mbar G25/25mbar
Qn(kW) **-** **-**
Pn(kW) 50/30 C **-** **-**
Pn(kW) 80/60 C **-** **-**
Qnw(kW) (san.) **-** **-**
Pnw(kW) (san.) **-** **-**
PMS (c.c./CC.) max. * bar
D ( T=30K, EN 625) ** l/min
NOx-Klasse/ Classe NOx *
230V 50Hz 123W
IPX4D
CE-0085BS0166
Buderus Logano Plus GB102 16 LPG
5572 - XXX - XXX - 7731600006
1.
3.
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6720812906-04.1Wo
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A
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Junkers Logano plus GB102 Owner's manual
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