Buderus Logano GB125, Logatop BE Operating Instructions Manual
Operating Instructions
Oil condensing boilers
Logano GB125 with
Logatop
BE burner
6 720 646 464 (03/2007)
SY/JO/LB/IL/PS/SA/AE/OM/QA/BH/YE/IR/AF/IQ/GE/AZ/AM/KW
For contractors
Read carefully before
installation and
maintenance.
Contents
Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice.
2
1 For your safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 About these instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 Correct use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3 Symbol key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.4 Observe this information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.4.1 Tips regarding the installation room . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Operating the heating system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 Switching on the heating system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1.1 Starting the heating system via the control unit and programming unit . . . . . . . . . . . . . . 6
3.2 Shutting down the heating system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.3 In an emergency. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.4 Checking the operating pressure and possibly topping-up
the heating water and venting the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.4.1 When should you check the operating pressure? . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.4.2 Checking the operating pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.4.3 Topping up with heating water and venting the system . . . . . . . . . . . . . . . . . . . . . . 8
3.5 Operating information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.6 Why is regular maintenance important? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.1 Identifying and clearing faults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
For your safety
1
Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice.
3
1 For your safety
1.1 About these instructions
These instructions contain important information regarding the safe and correct operation of this boiler.
In the following, the oil-fired special boiler Logano
GB125 with Logatop
BE burner will generally be referred
to as the boiler.
1.2 Correct use
The boiler must only be used to heat heating water and
for DHW heating, e.g. for detached houses or apartment
buildings.
1.3 Symbol key
In these instructions, the following symbols are used:
Æ Cross references
Cross references to a specific point in the document or
to other documents are marked with an arrow
Æ .
1.4 Observe this information
You will learn how to use your heating system by
• letting your heating contractor instruct you when the
system is handed over and
• reading these operating instructions carefully.
Never carry out any work on the boiler that is not described in these operating instructions.
RISK OF FATAL INJURY
Identifies possible risks that may result in
serious injury or death if appropriate care is
not taken.
RISK OF INJURY/
SYSTEM DAMAGE
Identifies potentially dangerous situations,
which might lead to medium or slight inju
-
ries or to material losses.
USER INFORMATION
User tips for the optimum utilisation and
adjustment of the appliance plus other
useful information.
RISK OF FATAL INJURY
by unqualified personnel.
B Installation, commissioning and main-
tenance must only be carried out by a
specialist heating contractor. Appropri
ate qualifications are particularly necessary for work on electrical and fuelcarrying parts.
RISK OF FATAL INJURY
due to neglecting your own safety in emergencies, such as in case of a fire.
B Never risk your own life. Your own safe-
ty is paramount.
For your safety
1
Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice.
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1.4.1 Tips regarding the installation room
RISK OF FATAL INJURY
through poisoning.
An insufficient supply of air can result in the
escape of dangerous flue gas.
B Ensure that ventilation or extract air
apertures are not reduced or closed.
B Keep the boiler room doors closed.
B Protect the boiler room and particularly
the combustion air inlet against ingress
of small animals, e.g. through grilles.
B The boiler must not be operated until
the obstruction has been removed.
RISK OF FIRE
through flammable materials or liquids.
B Ensure that there are no flammable ma-
terials or liquids in the immediate vicinity of the boiler.
Product description
2
Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice.
5
2 Product description
This boiler is a condensing boiler for oil combustion with
modulating boiler water temperature control.
The boiler comprises:
• Control unit
• Boiler casing
• Boiler block with thermal insulation
• Burner
• Heat exchanger system
The control unit monitors and controls all electrical boiler
components.
The boiler shell prevents energy losses and acts as a silencer.
The boiler block transfers the heat generated by the burner to the heating water. The thermal insulation prevents
heat losses.
Fig. 1 Front view Logano GB125
1 Control unit
2 Boiler casing
3 Burner door
4 Oil burner
5 Burner hood
6 Heat exchanger system
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2
3
4
5
6
The design and operation of this product
conforms to European Directives and the
supplementary national requirements. Its
conformity is confirmed by the CE marking.
You can view the Declaration of Conformity
on the internet at www.buderus.de/konfo or
request a copy from your local Buderus office.
Fig. 2 Back view Logano GB125
(shown excluding thermal insulation)
1 Heat exchanger system
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