Buderus Logano plus SB315 Bedienungsanleitung

6301 9201 – 04/2006 GB For the user

Please read thoroughly before use.

Operating instructions

Logano plus SB315 and

Gas-fired condensing boiler

Preamble

2Operating instructions Logano plus SB315 and Logano plus SB315 VM • Issue 04/2006

We reserve the right to make any changes due to technical modifications.

Dear Customer,

Buderus Logano plus SB315 and Logano plus

SB315 VM gas condensing boilers have been

developed and built employing the latest technologies

and safety regulations. Ease of operation was given a

particularly high priority.

Please observe the safety instructions and the operation

instructions to ensure optimum safe, economical and

environmentally-friendly use of your system.

Important – General Application Notes

Use this boiler only for its intended purpose and

according to these operating instructions. Maintenance

and repairs must only be carried out by authorised and

qualified personnel.

Use this boiler only in those combinations, together with

accessories and spare parts indicated in the operating

instructions. Any other combination, wearing parts and

accessories may only be used, if these are specifically

designed for the intended application and impair neither

the performance characteristics nor the stipulated safety

requirements.

Subject to technical modifications.

Constant development may lead to minor deviations of

illustrations, functional steps and specifications from

those described/shown.

Index

We reserve the right to make any changes due to technical modifications.

Operating instructions Logano plus SB315 and Logano plus SB315 VM • Issue 04/2006

1 Notes on hazards and safety instructions . . . . . . . . . . . . . . . . . . . . . . . . .4

1.1 Boiler Room . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

2 Working on the heating system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

2.1 Instruction in function and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

2.2 Checking the condition of the heating system . . . . . . . . . . . . . . . . . . . . . . . . . .5

2.3 Burner adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

2.4 Initial start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

2.5 Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

2.6 Shutting down the heating system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

2.7 Filling the heating system and checking for leaks . . . . . . . . . . . . . . . . . . . . . . . 10

2.8 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4Operating instructions Logano plus SB315 and Logano plus SB315 VM • Issue 04/2006

We reserve the right to make any changes due to technical modifications.

Notes on hazards and safety instructions1

1 Notes on hazards and safety instructions

zKeep naked flames away. Do not smoke.

zAvoid sparks!

Do not use electrical switches,

not even telephones, plugs or door-bells.

zClose the main gas shut-off valve.

zOpen windows and doors.

zWarn all residents and leave the building.

zCall your gas supplier or your local heating contractor

from outside the building.

1.1 Boiler Room

zThe boiler room must be kept free from frost and

must be adequately ventilated.

zNever close or obstruct air ducts and vent apertures

or reduce their size.

zPrevent contamination of the combustion air by

halogenated hydrocarbons (for example found in

spray cans, solvents or cleaning fluids, paints and

adhesives) or by extremely dusty conditions.

zAlways observe all relevant regulations and

requirements as may apply in your country.

zNever store or use combustible material or liquids

near the boiler.

aDANGER!

If you notice a smell of gas:

aDANGER!

In other dangerous circumstances, when

you cannot smell gas:

Immediately close the main gas shut-off

valve and isolate the heating system from

the power supply, e.g. by operating the

heating system emergency stop switch

outside the boiler room.

ATTENTION

Ensure the following safety measures are

taken:

Working on the heating system 2

We reserve the right to make any changes due to technical modifications.

Operating instructions Logano plus SB315 and Logano plus SB315 VM • Issue 04/2006

2 Working on the heating system

2.1 Instruction in function and operation

The installation engineer should instruct the user in all

functions covering the safe operation of the heating

system and must hand over the relevant technical

documentation for safe keeping.

2.2 Checking the condition of the heating

system

zOpen all radiator valves, shut-off valves and damper

valves in the heating system.

zVent the whole system at the air vent valves

provided.

zCheck, whether the cleanout covers and doors have

been closed.

zCheck the water level in the system and top up, if

necessary.

zCheck the system inlet pressure, on your expansion

vessell. If necessary notify your installer, who may

adjust your heating system to the correct operating

pressure.

ATTENTION

Only qualified personnel must carry out the

installation, the main fuel and flue gas

connections, the initial start-up, the

electrical connection as well as

maintenance or repair work. Only

registered Corgi and ACS may carry out

work on gas components.

NOTE FOR USERS

Please regularly check the water level in

your boiler. Arrange for water to be

replenished, if the water level is too low.

Never use boiler water for domestic use.

6Operating instructions Logano plus SB315 and Logano plus SB315 VM • Issue 04/2006

We reserve the right to make any changes due to technical modifications.

Working on the heating system2

2.3 Burner adjustment

Fuel

–LPG and natural gas (observe the details supplied by

the burner manufacturer).

NOTE FOR USERS (corrently not

available in the UK)

The Logatop VM pre-mix gas burner is

matched to the Unit boiler. For other

burners observe the applicable

commissioning instructions.

NOTE FOR USERS

Let a specialist adjust the burner to the

required heat demand for central heating

and DHW (Domestic Hot Water)

production. The correct setting of the

burner must be verified on handover.

Never exceed the rated output stated on

the boiler typeplate.

ATTENTION

Carry out the commissioning in

accordance with the installation,

commissioning and maintenance

instructions.

Working on the heating system 2

We reserve the right to make any changes due to technical modifications.

Operating instructions Logano plus SB315 and Logano plus SB315 VM • Issue 04/2006

2.4 Initial start-up

zOpen the gas shut-off valve.

zSwitch on the heating system emergency stop

switch.

zPlace the system On/Off switch (Fig. 1, item 1) and

(Fig. 2, item 1) and (Fig. 5, item 1) into position "I"

(ON).

zPlace the switch for the emergency operation of

central heating and DHW (Fig. 1, item 2) and (Fig. 2,

item 2) and (Fig. 5, item 2) to "AUT" (Automatic).

zCommission the control in accordance with the

respective operating instructions.

zPlace the system On/Off (Fig. 3, item 1) into position

"ON".

zCommission the control in accordance with the

respective operating instructions.

Fig. 1 Logamatic 2107 control unit (not available in UK)

Fig. 2 Logamatic 4211 control unit

123

NOTE FOR USERS

The system must be commissioned by the

system installer (and should be witnessed

by the system user).

ATTENTION

Carry out the commissioning in

accordance with the installation,

commissioning and maintenance

instructions of the respective components.

Particularly observe the installation,

commissioning and maintenance

instructions for Logano plus SB315.

NOTE FOR USERS

For Logamatic control unit, the boiler water

thermostat (Fig. 1, item 3) and (Fig. 2,

item 3) and (Fig. 5, item 3) is preset to

"AUT" at the factory.

Fig. 3 Logamatic 4212 control unit

8Operating instructions Logano plus SB315 and Logano plus SB315 VM • Issue 04/2006

We reserve the right to make any changes due to technical modifications.

Working on the heating system2

2.5 Faults

Resetting the burner

zPress the reset button (Fig. 4, item 1) on the gas pre-

mix burner.

Logano plus SB315

–If the burner on Logano plus SB315 goes into a fault

state, the fault lamp on the control illuminates and the

fault will be displayed in the control display.

Resetting the burner

zObserve the operating instruction of the respective

burner.

–The burner will not fire up and the fault lamp on the

burner also does not illuminate.

zCheck whether the electrical supply is switched on,

or whether the control equipment is correctly set up.

zTest the high limit safety cut-out (STB).

Fig. 4 Reset button with integrated fault lamp

NOTE FOR USERS

Should the burner not fire after you have

pushed the reset button several times, call

your installer to remove the fault.

NOTE FOR USERS

Notify your installer if the burner will not fire

after the reset button has been pressed

several times.

Working on the heating system 2

We reserve the right to make any changes due to technical modifications.

Operating instructions Logano plus SB315 and Logano plus SB315 VM • Issue 04/2006

2.6 Shutting down the heating system

zPut the system On/Off switch (Fig. 1, item 1) and

(Fig. 2, item 1) and (Fig. 5, item 1) into position "0"

(OFF).

zClose the gas shut-off valve.

Fig. 5 Logamatic 4311 control unit

13 2

ATTENTION

Protect the heating system against frost

damage if it has been shut down, e.g.

through a fault shutdown, and there is a

risk of frost.

10 Operating instructions Logano plus SB315 and Logano plus SB315 VM • Issue 04/2006

We reserve the right to make any changes due to technical modifications.

Working on the heating system2

2.7 Filling the heating system and

checking for leaks

Before commissioning the heating system, check for

leaks to prevent problems during operation. Pressurise

the heating system to 1.3x bar permissible operating

pressure (observe the safety pressure of the safety

valve).

On sealed systems the pressure gauge needle (Fig. 6,

item 2) must be within the green range (Fig. 6, item 3).

Set the red needle (Fig. 6, item 1) on the pressure

gauge to the required system pressure.

zCheck the system water pressure

zShut off the pressure expansion vessel from the

system by closing the cap valve.

zCheck the connections and pipework for leaks.

zOpen the mixing and shut-off valves on the hot water

(primary) side.

zFill the system via an approved filling link.

Filling the heating system

Filling and refilling of the heating circuit must been

carried out by a method that has been approved by the

Water Regulation Advisory Scheme (WRAS), for the

type of heating appliances, i.e. Domestic (in-house)

Fluid Category 3. Non-Domestic (other than in-house)

Fluid Category 4. Depending on the Fluid Category the

approved method should comprise of the following:

1. Requirements Fluid Category 3 systems (fig see

right)

zControl valve (stop valve) including a double check

valve on the mains cold water supply pipe

zTemporary connection to e removed after filling

(filling loop)

zControl valve (stop valve) on the heating system

pipework

Fig. 6 Pressure gauge for sealed systems

Item 1: Red needle

Item 2: Pressure gauge needle

Item 3: Green marking

CAUTION!

SYSTEM DAMAGE

through over pressure during leak testing.

Pressure, control and safety equipment

may be damaged through excessive

pressure.

zWhen you carry out a leak test, make

sure that no pressure, control or safety

equipment is fitted which cannot be

isolated from the boiler water chamber.

Fig. 7 Requirements Fluid Category 3 systems

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