Viessmann VITORONDENS 200-T Istruzioni operative
Service instructions
for contractors
VIESMANN
Vitorondens 200-T
Type J2RA, 67.6 to 107.3 kW
Oil Unit condensing boiler
For applicability, see the last page
VITORONDENS 200-T
5614 313 UAE 2/2013 Please keep safe.
2
Please follow these safety instructions closely to prevent accidents and mate-
rial losses.
Safety instructions explained
!Please note
This symbol warns against the
risk of material losses and envi-
ronmental pollution.
Note
Details identified by the word "Note" con-
tain additional information.
Target group
These instructions are exclusively inten-
ded for qualified contractors.
■ Work on electrical equipment must
only be carried out by a qualified elec-
trician.
■ The system must be commissioned by
the system installer or a qualified per-
son authorised by the installer.
Regulations
Observe the following when working on
this system:
■ National installation requirements
■ Legal instructions regarding the pre-
vention of accidents
■ Legal instructions regarding environ-
mental protection
■ The Code of Practice of relevant trade
associations
■ All current safety regulations as
defined by DIN, EN, DVGW, VDE and
all locally applicable standards
aÖNORM, EN and ÖVE
cSEV, SUVA, SVTI and SWKI
Working on the system
■ Isolate the system from the power sup-
ply (e.g. by removing the separate fuse
or by means of a mains isolator) and
check that it is no longer 'live'.
■ Safeguard the system against unau-
thorised reconnection.
!Please note
Electronic assemblies can be
damaged by electrostatic dis-
charge.
Before beginning work, touch
earthed objects, such as heating
or water pipes, to discharge static
loads.
Repair work
!Please note
Repairing components that fulfil a
safety function can compromise
the safe operation of your sys-
tem.
Replace faulty components only
with original Viessmann spare
parts.
Safety instructions
Safety instructions
5614 313 UAE
3
Auxiliary components, spare and
wearing parts
!Please note
Spare and wearing parts that
have not been tested together
with the system can compromise
its function. Installing non-author-
ised components and making
non-approved modifications or
conversions can compromise
safety and may invalidate our
warranty.
For replacements, use only orig-
inal spare parts supplied or
approved by Viessmann.
Safety instructions
Safety instructions (cont.)
5614 313 UAE
4
Product information
Intended use......................................................................................................... 5
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance.......................................... 6
Further details regarding the individual steps....................................................... 7
Parts lists
Parts lists.............................................................................................................. 20
Overview of the assemblies................................................................................. 21
Heat exchanger assembly.................................................................................... 22
Boiler body assembly........................................................................................... 23
Thermal insulation assembly................................................................................ 24
Commissioning/service reports........................................................................ 26
Specification....................................................................................................... 27
Certificates
Declaration of conformity...................................................................................... 28
Manufacturer's certificate according to the 1st BImSchV [Germany]................... 29
Keyword index.................................................................................................... 30
Index
Index
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The appliance is only intended to be
installed and operated in sealed unven-
ted heating systems that comply with
EN 12828, with due attention paid to the
associated installation, service and
operating instructions. It is only designed
for the heating of water that is of potable
water quality.
Intended use presupposes that a fixed
installation in conjunction with permissi-
ble, system-specific components has
been carried out.
Commercial or industrial usage for a pur-
pose other than heating the building or
DHW shall be deemed inappropriate.
Any usage beyond this must be
approved by the manufacturer for the
individual case.
Incorrect usage or operation of the appli-
ance (e.g. the appliance being opened
by the system user) is prohibited and
results in an exclusion of liability. Incor-
rect usage also occurs if the components
in the heating system are modified from
their intended use (e.g. if the flue gas and
ventilation air paths are sealed).
Product information
Intended use
5614 313 UAE
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For further information regarding the individual steps, see the page indicated
Commissioning steps
Inspection steps
Maintenance steps Page
••• 1. Commissioning the system........................................... 7
•2. Filling the heating system.............................................. 8
•3. Venting the heating system
• • 4. Shutting down the system
• • 5. Draining the heating system (if required)..................... 9
• • 6. Opening the boiler door................................................. 10
• • 7. Cleaning the heating surfaces....................................... 11
• • 8. Checking gaskets and thermal insulation sections.... 13
•9. Fitting the boiler door..................................................... 14
• • 10. Separating the neutralising system (if installed) from
the boiler and connecting the drain hose.................... 15
• • 11. Checking the neutralising system (if installed)........... 15
• • 12. Checking the connection on the flue gas side for leaks 16
• • 13. Cleaning the condensate drain pipe and siphon and
reconnecting to the drainage system........................... 17
•14. Filling the siphon and neutralising system
(accessories) with water................................................ 17
••• 15. Checking connections and sensor well on the heating
water side for tightness
••• 16. Checking the function of the safety equipment
• • 17. Checking the expansion vessel and system pressure 18
••• 18. Checking the thermal insulation for firm seating
• • 19. Checking the mixer for ease of operation and leaks... 18
••• 20. Adjusting the burner...................................................... 18
•21. Instructing the system user........................................... 19
•22. Operating and service documents................................ 19
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
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Commissioning the system
Operating instructions, service
instructions – control unit and
burner
1. Check that the installation room vent
is open.
2. Check the pre-charge pressure of the
expansion vessel.
If the pre-charge pressure of the
expansion vessel is lower than the
static system pressure, top up with
sufficient nitrogen to raise the pre-
charge pressure higher (0.1 to
0.2 bar/10 to 20 kPa) than the static
system pressure.
The static pressure corresponds to
the static head.
3. Open the check valves.
4. Fill the heating system with water and
vent it until the charge pressure is
higher (0.1 to 0.2 bar/10 to 20 kPa)
than the pre-charge pressure of the
expansion vessel (see page 18).
Permiss. operating pressure: 3 bar
(0.3 MPa)
5.
A
Mark the charge pressure at pressure
gauge A.
6. Return the check valves to their oper-
ating position.
7. Open the oil shut-off valves.
Commissioning, inspection, maintenance
Further details regarding the individual steps
5614 313 UAE
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Filling the heating system
Fill water
!Please note
Unsuitable fill water increases
the level of deposits and corro-
sion and may lead to boiler dam-
age.
■ Flush the heating system thor-
oughly before filling.
■ Only use fill water of potable
quality.
■ An antifreeze additive suitable
for heating systems can be
added to the fill water. The anti-
freeze manufacturer must ver-
ify its suitability.
■ Fill and top-up water with a
water hardness in excess of
the following values must be
softened, e.g. with a small soft-
ening system for heating water.
Total permissible hardness of the fill and top-up water
Total heating
output
Specific system volume
kW < 20 l/kW ≥ 20 l/kW to
< 50 l/kW
≥ 50 l/kW
≤ 50 ≤ 3.0 mol/m3
(16.8 °dH)
≤ 2.0 mol/m3
(11.2 °dH)
< 0.02 mol/m3
(0.11 °dH)
> 50 to ≤ 200 ≤ 2.0 mol/m3
(11.2 °dH)
≤ 1.5 mol/m3
(8.4 °dH)
< 0.02 mol/m3
(0.11 °dH)
> 200 to ≤ 600 ≤ 1.5 mol/m3
(8.4 °dH)
≤ 0.02 mol/m3
(0.11 °dH)
< 0.02 mol/m3
(0.11 °dH)
> 600 < 0.02 mol/m3
(0.11 °dH)
< 0.02 mol/m3
(0.11 °dH)
< 0.02 mol/m3
(0.11 °dH)
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5614 313 UAE
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A
AFilling/draining
Note
Let the heating circuit pump run whilst
filling in order to vent the indirect coils.
Draining the heating system (if required)
Drain at filling/draining connector A.
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5614 313 UAE
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Opening the boiler door
lÖ
fA
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5614 313 UAE
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5
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