Buderus Logano G125 BE Bedienungsanleitung

Users Manual Low Emissions and

High Efficiency Oil

Boiler

Logano G125 BE US/CA

7 747 010 551 05/2007 US/CA

For the Owner

Please read carefully before

operating equipment.

Table of Contents

Logano G125 BE - Specifications subject to change without notice.

1 For your Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1 Regarding this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.2 Proper Application Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.3 Description of Symbols. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.4 Observe the following Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.4.1 Directions regarding Boiler Room . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Product Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.1 Proper Application Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Operation of the Heating System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.1 Prior to System Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2 Testing of System Pressure, Filling and Venting of System . . . . . . . . . . . . . . . . . 5

3.2.1 When should you check the system pressure? . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2.2 Testing system pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2.3 Filling the System and Air Bleeding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.3 Start-up using the Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.4 Shutting down the System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.5 Emergency Situations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.6 Important Operational Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

3.7 Importance of regular maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4 Trouble Shooting of your Heating System. . . . . . . . . . . . . . . . . . . . . . . . 10

Operating Pressure

Only use this fuel type:

#2 Fuel oil ASTM D396-05 Type 2

Maximum Operating Pressure

(Standard = 30 psi) ______________ psi

Maximum Operating Pressure

(Standard = 30 psi) ______________ psi

Stamp/Date/Signature

Manufacturer’s address: Never use gasoline, kerosine, crank case oil, or

other fuels unless specified above!

BBT North America Corporation

50 Wentworth Avenue

Londonderry, New Hampshire 03053, USA

Phone: (603) 552-1100

Internet: www.buderus.net

For your Safety 1

Logano G125 BE - Specifications subject to change without notice. 3

1 For your Safety

1.1 Regarding this Manual

This manual contains important information regarding

safe and proper operation of your boiler.

The high tech G125BE oil boiler is designed as a hot wa-

ter heating boiler.

1.2 Proper Application Description

The boiler is certified as a hot water heating boiler for

use in space heating and domestic hot water heating us-

ing an indirect fired hot water tank for single and multiple

family homes.

1.3 Description of Symbols

The following symbols are displayed in this manual:

ÎCross reference

Cross references a particular point or another document

with an arrow Î.

1.4 Observe the following Guidelines

You will learn to properly operate your heating system

when:

–Follow the instructions of your heating contractor dur-

ing the start-up of the system.

–Read these operating instructions carefully.

Perform only those operations to your heating system

that are described in this manual.

1.4.1 Directions regarding Boiler Room

WARNING!

DANGER TO LIFE

Denotes a potential danger that can lead

to bodily injury or death.

CAUTION!

PERSONAL INJURY/

SYSTEM DAMAGE

Denotes a potentially dangerous situation

that can lead to bodily injury or property

damage.

NOTICE

Denotes a suggestion for optimum use

and other useful information.

WARNING!

DANGER TO LIFE

from unqualified personnel.

zPlease make sure that the installation,

start-up and annual maintenance are

performed only by a heating contractor

or service company. Any electrical or

fuel carrying parts require work by a

certified individual with the proper

qualifications.

WARNING!

DANGER TO LIFE

from flue gas poisoning.

Insufficient combustion and ventilation air

during room air operation of the equip-

ment can lead to dangerous flue gases.

zMake sure that the ventilation and air

supply and exhaust openings are al-

ways fully open and never plugged.

zKeep door(s) to the boiler room always

closed.

zProtect the boiler room and specifically

the ventilation and intake air openings

from animals by means of louvers

and/or screens.

zIf the above issues are not resolved,

the boiler must not be operated.

WARNING!

FIRE DANGER

from flammable or combustible materials.

zMake sure that no flammable or com-

bustible materials are stored near the

boiler.

Product Description

Logano G125 BE - Änderungen aufgrund technischer Verbesserungen vorbehalten.

2 Product Description

2.1 Proper Application Description

The boiler can only be used as a hot water heating boiler

for space heating, and domestic hot water heating using

an indirect fired hot water tank for single and multiple

family homes.

2.2 Product Description

The boiler is a low temperature oil fired model designed

for maximum efficiency.

The boiler consists of the following components:

–Control System (Logamatic control or Honeywell

aquastat)

–Boiler jacket panels

–Cast Iron Boiler block with Insulation

–Burner cover

The Logamatic control system monitors and controls the

burner operation as well as several main components of

the heating system.

As an alternative, the boiler can also be equipped with a

Honeywell aquastat.

The boiler jacket serves as protection, insulation and

noise control.

The cast iron boiler block transfers the heat produced by

the burner to the boiler water. The insulation minimizes

heat loss.

Fig. 1 G125 BE US/CA High Tech Oil Boiler

1Control system (optional)

2Boiler jacket panels

3Cast Iron Boiler block with insulation

4Burner cover

5Burner

7 747 010 678-01.1RS

Operation of the Heating System 3

Logano G125 BE - Specifications subject to change without notice. 5

3 Operation of the Heating System

3.1 Prior to System Start-up

Check the following before engaging the system:

–That the system pressure is sufficient.

–That the main fuel supply valve is opened.

–That the boiler emergency switch is ON.

3.2 Testing of System Pressure, Filling and Venting of System

3.2.1 When should you check the system

pressure?

It is recommended to check the system pressure on

newly installed systems frequently during the first week

of operation, as the volume might be slightly reduced

due to air pockets being eliminated from the system.

zCheck the system pressure of a new system daily,

and add boiler water when needed. Possibly vent the

system at radiators if applicable.

zLater check the system pressure monthly, add boiler

water when needed. Vent the system at radiators if

applicable.

3.2.2 Testing system pressure

The system pressure should be a minimum of 12 to 15

psi.

The target value for the system can be read on

ÎPage 2 (To be filled out by the installing contractor).

zThe actual pressure and temperature can be read at

the pressure/temperature gauge.

zWhen the system pressure drops below 12 to 15 psi,

adding water to the boiler system is recommended.

3.2.3 Filling the System and Air Bleeding

Please ask your heating contractor or service company

to demonstrate to you how to add boiler water to the sys-

tem and how to vent the system.

Fig. 2 Pressure/temperature gauge (located at the rear of

the boiler).

CAUTION!

HEALTH DANGER

from contamination of drinking water with

boiler water.

zPlease request that your heating con-

tractor or service company shows you

how to properly add water to the boiler

system.

Operation of the Heating System

Logano G125 BE - Specifications subject to change without notice.

zFill the heating system slowly via the automatic feed

valve. Pay close attention to the pressure gauge.

zStop adding fill water, when the desired pressure is

reached.

zVent the system via radiator air bleeding valves

where available.

zWhen the system pressure drops following the air

venting, add additional water.

CAUTION!

SYSTEM DAMAGE

due to temperature swings.

When the water is added to a hot boiler,

thermal stresses can occur.

zAdd fill water to the boiler when the

boiler is cold (The boiler temperature

must not exceed 100 °F).

CAUTION!

SYSTEM DAMAGE

due to frequent filling.

When you have to add water on a regular

basis, the system might get damaged due

to lime stone build-up and corrosion.

zCheck with your heating contractor if

the boiler water requires treatment.

zPlease inform your heating contractor

if you frequently need to add water to

the boiler.

Operation of the Heating System 3

Logano G125 BE - Specifications subject to change without notice. 7

3.3 Start-up using the Control System

Turn the system on using your control panel. The burner

will automatically activate when you turn on the control

panel. The burner can also be started up from the con-

trol panel. Further information can be obtained from the

operating manual of the control panel or burner.

zSet the adjustable boiler aquastat to position “AUT”

(ON).

zTurn the main switch to “I” (ON).

Heating System Operation with Aquastat

zTurn boiler switch to “ON” position. This turns the

system on.

3.4 Shutting down the System

With Buderus control (Fig. 3)

zTurn main control switch to “OFF” (Position “O”).

This shuts off the boiler and all operating compo-

nents.

With Aquastat (Fig. 4)

zShut off boiler switch (Position “OFF”). This shuts off

the entire heating system.

zShut off oil supply by closing the main fuel valve.

Fig. 3 Turning on the control panel (Logamatic 2000)

1Adjustable Boiler Aquastat

2Main Switch

NOTICE

zYou will find information regarding op-

eration, e.g. setting of temperatures, in

the Îdocumentation of the respec-

tive controls.

Fig. 4 Heating system operation with aquastat using main

service switch (No Buderus control panel).

CAUTION!

SYSTEM DAMAGE

from freezing.

When the heating system is not in opera-

tion, the system can freeze up.

zKeep your heating system in good op-

erating order.

zIf the system is not operational and

temperatures in the building can get

close to freezing, protect the system

from freezing by draining the heating

and DHW pipes at their lowest point.

Operation of the Heating System

Logano G125 BE - Specifications subject to change without notice.

3.5 Emergency Situations

In case of an emergency, such as a fire, proceed as fol-

lows:

zShut off oil supply using main shut-off valve.

zShut off the system electrically with the main service

switch or by disengaging the heating system circuit

breaker.

3.6 Important Operational Information

The proper fuel

For trouble free operation, the heating system requires

the correct fuel and fuel quality.

Use of unlisted fuel can lead to service calls, can cause

damage to burner, boiler and the venting system and

may void Buderus’ warranty.

Boiler Room

Use only the following fuel

#2 Fuel oil ASTM D396-05 Type 2

Stamp/Date/Signature

CAUTION!

SYSTEM DAMAGE

from incorrect fuel.

zUse only listed fuel.

CAUTION!

BOILER DAMAGE

due to contaminated combustion air.

zNever use or store cleaning agents

containing chlorine or hydro-carbons

(eg. Spray cans, solvents, paints,

cleaning agents) in the boiler room.

zAvoid dust generation and build-up.

CAUTION!

BOILER DAMAGE

from flooding.

zIn case of flood conditions, disconnect

the boiler electrically and fuel wise

(ÎChapter 3.4, page 7).

zHave your contractor check your sys-

tem, following flood conditions.

zComponents, such as valves, control

and electrical parts that have been in

contact with water must be replaced

by a heating contractor.

Operation of the Heating System 3

Logano G125 BE - Specifications subject to change without notice. 9

3.7 Importance of regular maintenance

Heating systems require annual maintenance for the fol-

lowing reasons:

–To maintain high efficiency level and ensure efficient

system operation (low energy use).

–To ensure high reliability of the system.

–To maintain low emissions.

CAUTION!

SYSTEM DAMAGE

due to incomplete cleaning or unqualified

maintenance.

zMake sure to have your heating sys-

tem serviced, cleaned and maintained

annually by a certified contractor or

heating company.

zBuderus recommends signing up for a

service agreement for annual mainte-

nance.

Trouble Shooting of your Heating System

Logano G125 BE - Specifications subject to change without notice.

4 Trouble Shooting of your Heating System

Two types of failures can be identified:

–Burner failures and

–Failures of the control system and heating system.

The reset light will be lit on the burner to indicate a burn-

er failure (Îrefer to Burner Manual). The failure can

typically be resolved by pressing the reset button on the

burner.

Failures of the control system or heating system are typ-

ically shown on the control’s display, provided the boiler

is equipped with a digital control panel. Further informa-

tion can be found in the ÎOperating Manual of the con-

trol.

Resolving burner failures

zPress the burner reset button. Fig. 5 Resetting the burner.

1Reset button

CAUTION!

SYSTEM DAMAGE

Frequent pressing of the reset button can

lead to damage to the ignition system.

zDo not press the reset more than three

times. If the burner does not function

properly after three trials, review the

burner manual for details. Contact

your heating contractor or service

company.

CAUTION!

SYSTEM DAMAGE

from freezing.

When the heating system is not in opera-

tion due to a failure, the system can

freeze up.

zHave the failure corrected immediately

and start up the system again.

zProtect the system from freezing by

draining the heating and DHW pipes at

their lowest point.

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