Viessmann Vitorond 200 VD2 320 Istruzioni operative
VITOROND 200
Service instructions
for heating engineers
VitorondĂ200
typeĂVD2, 320 to 1080ĂkW
Oil/Gas fired boilers
5692Ă51 ĂGBăăă2/2003 Please keep safe
2
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
3
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
4
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
5
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
6
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
7
Initial start-up, inspection and maintenance
Further details regarding the individual steps (cont.)
Removing and cleaning turbulators
Aonly for 320 to 860ĂkW
5692Ă51 ĂGB
A
8
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
9
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
10
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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10
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