Viessmann Vitolig 300 Istruzioni operative

VIESMANN

Service instructions

for contractors

Vitolig 300

Type VL3A

Pellet boiler

VITOLIG 300

5692 618 GB 8/2005 Please keep safe.

Please follow these safety instructions closely to prevent accidents and

material losses.

Safety instructions explained

Danger

This symbol warns against the

risk of injury.

!Please note

This symbol warns against the

risk of material losses and

environmental pollution.

Note

Details identified by the word "Note"

contain additional information.

Target group

These instructions are exclusively

designed for qualified personnel.

&Work on gas equipment must only

be carried out by a qualified gas

engineer.

&Work on electrical equipment must

only be carried out by a qualified

electrician.

&The system must be commissioned

by the system installer or a qualified

person authorised by the installer.

Regulations

Observe the following when working

on this system

&all legal instructions regarding the

prevention of accidents,

&all legal instructions regarding

environmental protection,

&the Code of Practice of relevant

trade associations,

&all current safety regulations as

defined by DIN, EN, DVGW, TRGI,

TRF, VDE and all locally applicable

standards.

If you smell gas

Danger

Escaping gas can lead to

explosions which may lead to

serious injury.

&Never smoke. Prevent naked

flames and sparks. Never

switch lights or electrical

appliances ON or OFF.

&Close the gas shut‐off valve.

&Open windows and doors.

&Remove all people from the

danger zone.

&Notify your gas or electricity

supplier from outside the

building.

&Shut off the electricity supply

to the building from a safe

place (outside the building).

If you smell flue gas

Danger

Flue gas can lead to life‐threa-

tening poisoning.

&Shut down the heating sys-

tem.

&Ventilate the boiler room.

&Close all doors leading to the

living space.

Safety instructions

5692 618 GB

Working on the system

&Isolate the system from the power

supply and check that it is no longer

'live', e.g. by removing a separate

fuse or by means of a mains isola-

tor.

&Safeguard the system against

unauthorised reconnection.

&When using gas as fuel, also close

the main gas shut‐off valve and

safeguard against unauthorised

reopening.

Repair work

!Please note

Repairing components which

fulfil a safety function can com-

promise the safe operation of

your heating system.

Replace faulty components

only with original Viessmann

spare parts.

Ancillary components, spare and

wearing parts

!Please note

Spare and wearing parts which

have not been tested together

with the heating system can

compromise its function. Instal-

ling non‐authorised compo-

nents and non‐approved

modifications or conversions

can compromise safety and

may invalidate our warranty.

For replacements, use only ori-

ginal spare parts from

Viessmann or those which are

approved by Viessmann.

Safety instructions (cont.)

Safety instructions

5692 618 GB

Commissioning and adjustment

Calling up the service level ......................................................................... 5

Changing parameters and calling up operating information.......................... 6

Commissioning........................................................................................... 8

Actuator test ............................................................................................... 8

Operating and service documents ............................................................... 9

Instructing the system user ......................................................................... 9

Inspection and maintenance

1. Shutting down the heating system ........................................................... 10

2. Combustion chamber .............................................................................. 10

3. Burner .................................................................................................... 12

4. Induced draught fan and secondary heating surface ............................... 13

5. Ash chamber, secondary heating surface ................................................ 14

6. Ash removal............................................................................................ 15

7. Pellet hopper .......................................................................................... 16

8. Boiler control .......................................................................................... 17

9. Water container of the back burning protection ........................................ 18

10. Changeover unit of the automatic charging system ................................ 19

11. Checking the diaphragm expansion vessel and system pressure ........... 19

12. Checking the function of the thermally activated safety valve ................. 20

13. Checking the mixer for obstructions and leaks ....................................... 20

14. Heating test .......................................................................................... 21

15. Checking the draught ............................................................................ 21

Troubleshooting

Fault messages .......................................................................................... 22

Repairs ...................................................................................................... 26

Connection and wiring diagrams ............................................................. 27

Parts lists

Parts list ..................................................................................................... 33

Commissioning/service reports ............................................................... 44

Specification............................................................................................. 45

Certificates

Declaration of conformity ............................................................................ 46

Keyword index .......................................................................................... 47

Index

5692 618 GB

See also the operating instruc-

tions.

Calling up the service level

At the service level of the control unit, system parameters can be changed and

commissioning steps or actuator tests can be carried out.

For information regarding the menu controls, see the operating instructions.

1. Press "Menu". The display shows

"user level" and "service level".

2. With "V" or "v" select menu

option "service level" and confirm

with "select".

3. Hold down key "5 s" longer than

5 s. The display shows the sub-

options "Parameter", "Commis-

sioning" and "Actuator test".

4. With "V" or "v" select menu

option and confirm with "select".

5. Exit the menu with "back".

This will also occur automatically

after 45 s.

Index (cont.)

Commissioning and adjustment

5692 618 GB

1. In menu option "Parameter" high-

light the required sub-option with

"V" or "v" and confirm with

"select".

2. Change the required parameter

with "+" or "–".

3. Save the selected value with "yes".

The display briefly shows "Para-

meter value is being saved".

Under menu option "Parameter" you can adjust the following

parameters or call up information:

Number of burner starts

The present number of burner starts is

shown

Amount of fuel through the supply auger

The amount of fuel captured by the

combustion controller is displayed in

kg/h.

Hysteresis burner ON

Switching hysteresis for burner con-

trol.

Delivered condition: 5 K

Setting range: 0 to 20 K

Maximum value of the set temperature

Maximum set boiler water tempera-

ture in heating mode

Delivered condition: 75 °C

Setting range: 60 to 75 °C

Set temperature ext. heat demand

Set boiler water temperature in case

of external heat demand

Delivered condition: 75 °C

Setting range: 35 to 75 °C

Pellet supply

A pellet supply system must be

adjusted subject to the type of pellet

extraction from the storage room.

Delivered condition: without supply

system

Optional changes:

Changing parameters and calling up operating information

Commissioning and adjustment

5692 618 GB

&Suction turbine with 3 wands

&Suction turbine with 2 wands

&Suction turbine agitator

Runtime of the suction turbine

Set the runtime of the suction turbine

subject to the length of the supply line

and the head.

Delivered condition: 50 s

Setting range: 20 to 70 s

Required runtime of the suction turbine

Length of the

supply line in m

Suction head in m

0–2.8 2.8 –4.5 >4.5

5–10 40 s 50 s 60 s

10 –15 50 s 60 s —

15 –20 60 s — —

20 –25 70 s — —

Number of grate shakings

To remove the ash, the grate in the

burner pot is shaken by a motor in

specified intervals. The number of

shakes per event can be adjusted.

Rated output kW 9.9 and 15.0 21.0 and 25.9

Opera-

tion

Burnout Opera-

tion

Burnout

Delivered condition 20 40 20 30

Setting range 10 –30 15 –60 10 –30 15 –60

Ventilation air/extract air damper

The runtime of a connected ventila-

tion air or extract air damper can be

adjusted at the control unit.

Delivered condition: Control OFF, run-

time in seconds 300

Setting range: 0 to 600 s

Note

The selected runtime should be twice

as long as the actual damper runtime.

Changing parameters and calling up operating . . . (cont.)

Commissioning and adjustment

5692 618 GB

In menu option "Commissioning" high-

light the required sub-option with "V"

or "v" and confirm with "select".

The following functions can be adjusted under menu option

"Commissioning":

Supply auger

The supply auger is started for 6 min.

Supply

The supply and every wand is started

with a purging program subject to the

selected supply system.

Actuator test

In menu option "Actuator test" high-

light the required sub-option with "V"

or "v" and confirm with "select".

Note

The functions are respectively started

for 1 min. The control unit carries out

a self-test following the termination of

the actuator test.

The following functions can be con-

trolled:

&Induced draught fan

&Supply auger

&Grate shaking

&Ignition element

&Ash removal

&Heating surface cleaner

&Suction turbine

&Wand changeover

&Ventilation/extract air damper

Commissioning

Commissioning and adjustment

5692 618 GB

File all parts lists, operating and ser-

vice instructions in the folder and

hand this over to the system user.

Instructing the system user

The system installer must hand the

operating instructions to the system

user and instruct him/her in the opera-

tion of the system.

Operating and service documents

Commissioning and adjustment

5692 618 GB

!Please note

Hot gases can escape from the

combustion chamber.

Only open the combustion

chamber door when the system

ON/OFF switch has been

switched off.

Operating instructions

2. Combustion chamber

Note

Clean the boiler with a vacuum clea-

ner and the cleaning implements sup-

plied.

1. Shutting down the heating system

Inspection and maintenance

5692 618 GB

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