Viessmann Vitorond 200 VD2 320 Instrucciones de funcionamiento

VITOROND 200

Service instructions

for heating engineers

VitorondĂ200

typeĂVD2, 320 to 1080ĂkW

Oil/Gas fired boilers

5692Ă51 ĂGBăăă2/2003 Please keep safe

General information

Safety instructions

Please follow these safety instructions closely to prevent accidents and

material losses.

Work on the equipment

Installation, initial start-up, inspection,

maintenance and repairs must only

be carried out by a competent person

(heating engineer/installation

contractor).

Before working on the equipment/

heating system, isolate the mains

electrical supply (e.g. by removing a

separate mains fuse or by means of

a mains electrical isolator) and

safeguard against unauthorised

reconnection.

When using gas as fuel, also close

the main shut-off valve and safeguard

against unauthorised reopening.

Work on gas equipment

This must only be carried out by an

approved contractor.

Please observe all commissioning

work for gas installations specified

acc. to TRGI or TRF, or local

regulations.

Repair ork

It is not permitted to carry out repairs

on parts that fulfil a safety function.

Use only original Viessmann spare

parts, or equivalent parts that have

been approved by Viessmann.

Initial start-up

The initial start-up must be carried

out by the system installer or a

designated commissioning engineer;

all actual values should be recorded

in a commissioning/service report.

Instructing the system user

The system installer must hand the

operating instructions to the system

user and instruct him/her in the

operation of the system.

¨ĂSafety instruction

In this instruction manual, this

heading denotes information which

must be observed to prevent

accidents and material losses.

Operating and service documents

1. Complete and detach the customer

registration card:

HGive the system user this part

for safe-keeping.

HRetain the heating engineer

portion.

2. File all parts lists, operating and

service instructions in the folder

and hand this over to the system

user.

5692Ă51 ĂGB

Contents

Index

Page

General information

Safety instructionsĂ 2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating and service documentsĂ 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Initial start-up, inspection and maintenance

StepsĂ 4

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Further details regarding the individual stepsĂ 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Parts listĂ14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Appendix

Water quality requirementsĂ26

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SpecificationĂ 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Commissioning/service reportĂ 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Declaration of conformityĂ 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Manufacturer's certificateĂ 33. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5692Ă51 ĂGB

Initial start-up, inspection and maintenance

StepsĂćĂinitial start-up, inspection and maintenance

For further instructions concerning the individual steps, see pages indicated.

Commissioning steps

Inspection steps

Maintenance steps Page

C M 1. System start-upĂ 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

M2. System shutdo n

M3. Opening boiler door and clean-out coverĂ 6. . . . . . . . . . . . . . . . . . . . . . . .

M4. Removing and cleaning turbulatorsĂ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

M5. Cleaning heating surface, flue outlet and flue pipeĂ 8. . . .

I M 6. Checking all seals/gaskets and packing cords

on flue gas side

M7. Checking thermal insulation of boiler door

M8. Pushing turbulators into boiler and securing

boiler door and clean-out cover ith scre sĂ 9

. . . . . . . . . . . . . . . .

I M 9. Checking connections and sensor ell for leaks on

primary side

I M 10. Checking function of all safety equipment

I M 11. Checking diaphragm expansion vessel and

system pressureĂ 10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

M12. Checking tightness of electrical connections

and cable grommetsĂ

M13. Checking thermal insulation

M14. Checking ater qualityĂ 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

I M 15. Cleaning sight glass in boiler doorĂ 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

M16. Checking mixer for easy operation and leaksĂ 12. . . . . . . . . . . . . . .

M17. Checking function of return temperature

raising facility (if installed)

I M 18. Checking boiler room ventilation

I M 19. Checking flue pipe for leaks

I M 20. Checking draught stabiliser (if installed)Ă 12. . . . . . . . . . . . . . . . . . . . . . . . .

M21. Burner adjustmentĂ 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5692Ă51 ĂGB

Initial start-up, inspection and maintenance

Further details regarding the individual steps

System start-up

Operating instructions, service instructions ć control unit and burner

1. Check that the turbulators are fully

pushed into the hot gas flues

(against their end stop) (open the

boiler door).

2. Check that the ventilation aperture

of the boiler room is open.

3. Fill the heating system with water

and ventilate the system.

Max. operating pressureĂ Ă6Ăbar

. . . . . . . .

Please note:

Enter the filling volume and the

calcium hydrogen carbonate

concentration on pageĂ ; see also

"Standard values for water

quality" on pageĂ26.

4. Check the system pressure.

5. Check the fuel oil level or the gas

supply pressure.

6. Open the flue gas damper (if

installed).

7. Check that the cleaning apertures

on the flue outlet are closed.

8. Open the shut-off valves in the oil

or gas supply pipe.

ă9. Switch ON the mains isolator, the

switch for the heating circuit

pump and the burner ON/OFF

switch in the order listed here

(observe the burner manufacturer's

instructions).

10. When heating the system from

cold (also after maintenance and

cleaning work) prevent the heat

transfer to heat consumers, in

order to quickly clear the dew

point range.

11. After the flow temperature has

been reached, sequentially switch

on the heat consumers and

change the burner to automatic

mode.

12. Check all gaskets/seals and plugs

for leaks and re-tighten, if

necessary.

13. Check the boiler door and

clean-out cover after approx.

50Ăhours' operation and re-tighten

all screws.

5692Ă51 ĂGB

Initial start-up, inspection and maintenance

Further details regarding the individual steps (cont.)

¨ĂSafety instruction

Only open the heating water connections after the boiler has been

depressurised.

Drain the boiler with a vacuum pump only when the air-vent valve has been

cracked open.

Opening boiler door and clean-out cover

Please note:

Remove the gas supply pipe on gas burners.

5692Ă51 ĂGB

Initial start-up, inspection and maintenance

Further details regarding the individual steps (cont.)

Removing and cleaning turbulators

Aonly for 320 to 860ĂkW

5692Ă51 ĂGB

Initial start-up, inspection and maintenance

Further details regarding the individual steps (cont.)

Cleaning heating surface, flue outlet and flue pipe

1. Clean fluesĂA and combustion

chamberĂB with brushes.

Clean the spaces in between and

the fins with the narrow side of

the smallest brush.

Remove combustion residues with

a vacuum cleaner.

2. Remove combustion residues

from the flue pipe and the flue

outlet through the cleaning

apertures in flue outletĂC using a

vacuum cleaner.

5692Ă51 ĂGB

A B C

Initial start-up, inspection and maintenance

Further details regarding the individual steps (cont.)

Pushing turbulators into boiler and securing boiler door and

clean-out cover ith scre s

Please note:

Refit the gas supply pipe on gas burners.

¨ĂSafety instruction

Carry out a leak test on all gas supply connections.

AOnly for 320 to 860ĂkW:

Insert the respective number of turbulators into each hot gas channel of

the third flue (see page 15); in doing so, push the first turbulator element

approx. h into the hot gas channel, hook in the second and third element

and push in.

BTighten the screws on the boiler door evenly and diagonally.

5692Ă51 ĂGB

B A

Initial start-up, inspection and maintenance

Further details regarding the individual steps (cont.)

Checking diaphragm expansion vessel and system pressure

Observe the diaphragm expansion vessel manufacturer's instructions.

Carry out this test on a cold system.

1. Drain the system or close the

cap valve on the diaphragm

expansion vessel and reduce

the pressure until the pressure

gauge indicatesĂ"0".

2. If the inlet pressure of the

diaphragm expansion vessel is

lower than the static system

pressure, top up with enough

nitrogen to raise the inlet pressure

higher than the static system

pressure (0.1 to 0.2Ăbar).

The static pressure corresponds to

the static height.

3. Top up with water, until the filling

pressure of a cool system is

higher than the inlet pressure of

the diaphragm expansion vessel

(0.1 to 0.2Ăbar).

Max. operating pressureĂ Ă6Ăbar

. . . . . . . .

5692Ă51 ĂGB

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