Buderus Logano GB125 Manual de usuario

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.

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 regar-

ding 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:

ÆCross 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 descri-

bed 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.

BInstallation, commissioning and main-

tenance must only be carried out by a

specialist heating contractor. Appropri-

ate qualifications are particularly ne-

cessary for work on electrical and fuel-

carrying parts.

RISK OF FATAL INJURY

due to neglecting your own safety in emer-

gencies, such as in case of a fire.

BNever risk your own life. Your own safe-

ty is paramount.

For your safety

Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice.

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.

BEnsure that ventilation or extract air

apertures are not reduced or closed.

BKeep the boiler room doors closed.

BProtect the boiler room and particularly

the combustion air inlet against ingress

of small animals, e.g. through grilles.

BThe boiler must not be operated until

the obstruction has been removed.

RISK OF FIRE

through flammable materials or liquids.

BEnsure that there are no flammable ma-

terials or liquids in the immediate vicini-

ty 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 si-

lencer.

The boiler block transfers the heat generated by the bur-

ner to the heating water. The thermal insulation prevents

heat losses.

Fig. 1 Front view Logano GB125

1Control unit

2Boiler casing

3Burner door

4Oil burner

5Burner hood

6Heat exchanger system

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 of-

fice.

Fig. 2 Back view Logano GB125

(shown excluding thermal insulation)

1Heat exchanger system

Operating the heating system

Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice.

3 Operating the heating system

3.1 Switching on the heating system

Before switching the system on, check that

• the operating pressure is high enough,

• the fuel supply is open at the main shut-off valve and

• the heating system emergency stop switch is swit-

ched on.

3.1.1 Starting the heating system via the control

unit and programming unit

BSet both rotary selectors on the control unit to "AUT"

(automatic mode). The programming unit takes con-

trol of the panel in this setting.

BSwitch the ON/OFF switch ON (position "I"). The con-

trol unit checks the current system status, and the

burner starts, if appropriate.

If the boiler recognises a heat demand, the start pro-

gram commences and approx. 30 seconds later the bur-

ner fires up. A heat demand is triggered if the heating or

the DHW temperatures fall below their respective set va-

lues. The LED below the relevant rotary selector illumi-

nates.

Fig. 3 Setting the control unit

Fig. 4 Switching on the heating system

Operating the heating system 3

Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice. 7

BCheck and make sure that the following settings on

programming unit RC30/RC35 are set:

• Automatic operating mode

• Required room temperature

• Required DHW temperature

• Required heating program

3.2 Shutting down the heating system

BSwitch the ON/OFF switch on the control unit OFF

(position "0"). This switches off the boiler and all its

components (such as the burner).

BClose the main fuel shut-off valve.

3.3 In an emergency

In the event of an emergency, e.g. a fire, proceed as fol-

lows:

BNever risk your own life. Your own safety is para-

mount.

BClose the main fuel shut-off valve.

BIsolate the heating system from the mains power

supply via the heating system emergency stop switch

or the corresponding domestic fuse.

Fig. 5 Programming unit (e.g. RC35, with flap open)

7 747 011 453-17.1RS

USER INFORMATION

BFor information regarding the operati-

on, e.g. selecting of temperatures, see

the Ædocuments for the programming

unit.

Fig. 6 Shutting down the heating system

SYSTEM DAMAGE

from frost.

When the heating system is switched off, it

can freeze up if there is a frost.

BLeave the heating system constantly

switched ON if possible.

BProtect your heating system against

frost by draining the pipework for cen-

tral heating and DHW at the lowest pos-

sible point.

BDrain the heat exchanger.

Operating the heating system

Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice.

3.4 Checking the operating pressure and possibly topping-up

the heating water and venting the system

3.4.1 When should you check the operating

pressure?

Recently topped-up heating water loses much of its vo-

lume in the first few days because it releases gases.

This creates air locks and the heating water starts to

gurgle.

BAfter installing a new heating system, check the ope-

rating pressure daily for the first few days. If neces-

sary top up with heating water and bleed the

radiators.

BAfter a while the operating pressure will only need to

be checked monthly. If necessary top up with heating

water and bleed the radiators.

3.4.2 Checking the operating pressure

Your heating contractor has set the red needle of the

pressure gauge to the required operating pressure (at

least 1 bar).

BCheck that the pressure gauge needle is within the

green band.

BTop up with heating water if the pressure gauge

needle is below the green range.

3.4.3 Topping up with heating water and venting

the system

Let your local heating contractor show you where the

boiler fill and drain cock for topping up the heating water

is located on your heating system.

Fig. 7 Pressure gauge for sealed unvented systems

1Red needle

2Pressure gauge needle

3Green band

RISK TO HEALTH

from contamination of drinking water.

BLet your heating contractor show you

how to top up your heating system with

water.

Operating the heating system 3

Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice. 9

BSlowly fill the heating system via the on-site fill valve.

During filling, observe the pressure gauge.

BOnce the desired operating pressure is reached, stop

the procedure.

BWith the aid of a bleed key, bleed the heat exchanger

via the bleed valve.

BVent the heating system via the radiator bleed val-

ves.

BTop up with water again if the operating pressure

drops as a result of bleeding the system.

SYSTEM DAMAGE

through temperature stresses.

Temperature stresses can cause cracks if

you fill your heating system when it is hot.

The boiler will then leak.

BOnly fill the heating system when cold

(the flow temperature must not exceed

40 °C).

Fig. 8 Venting the heat exchanger

1Bleed valve (5 mm quadrant) on the heat exchanger

USER INFORMATION

Vent the boiler and heat exchanger sepa-

rately.

SYSTEM DAMAGE

through frequent topping up.

The heating system may be damaged, de-

pending on water quality, by corrosion or

scaling if you frequently need to top-up the

heating water.

BAsk your heating contractor whether

you can use your tap water untreated or

whether you need to treat it before fil-

ling your system.

BNotify your heating contractor if you

need to regularly add top-up water to

your system.

Operating the heating system

Logano GB125 oil condensing boiler - Technical specifications are subject to change without prior notice.

3.5 Operating information

Correct fuel

This heating system requires fuel of the correct type and

grade to ensure its correct operation.

Follow the advice of your heating contractor if you want

to convert your heating system to another type of fuel or

use fuel with a different specification.

Installation location

Use the following fuel only:

Stamp/date/signature

SYSTEM DAMAGE

through incorrect fuel.

BUse only the fuel specified.

BOILER DAMAGE

through contaminated combustion air.

BNever use chlorinated cleaning agents

or halogenated hydrocarbons (such as

those contained in spray cans, solvents

or cleaning agents, paints and adhesi-

ves).

BAvoid very dusty atmospheres.

SYSTEM DAMAGE

through water.

BIf there is a serious risk of flooding, dis-

connect the boiler from its power supply

and shut off the fuel supply before wa-

ter enters the boiler room

(ÆChapter 3.2, page 7).

BIf water entered your heating system,

ask your heating contractor to check

the system prior to returning it to use.

BAsk your heating contractor to replace

any valves and control/regulating

equipment which have come into con-

tact with water.

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