Viessmann Vitosol-T Betriebsanleitung
Service instructions
for contractors
VIESMANN
Vitosol-T
For applicability, see the last page
VITOSOL-T
5458 009 GB 3/2010 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
designed for qualified personnel.
■ 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
■ all legal instructions regarding the pre-
vention of accidents,
■ all legal instructions regarding envi-
ronmental 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
Working on the system
■ Isolate the system from the power sup-
ply and check that it is no longer 'live',
e.g. by removing a separate fuse or by
means of a main isolator.
■ Safeguard the system against unau-
thorised reconnection.
!Please note
Electronic modules can be dam-
aged by electrostatic dis-
charges.
Touch earthed objects, such as
heating or water pipes, to dis-
charge static loads.
Repair work
!Please note
Repairing components that fulfil a
safety function can compromise
the safe operation of your heating
system.
Replace faulty components only
with original Viessmann spare
parts.
Safety instructions
Safety instructions
5458 009 GB
3
Ancillary components, spare and
wearing parts
!Please note
Spare and wearing parts that
have not been tested together
with the heating system can com-
promise its function. Installing
non-authorised components and
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.)
5458 009 GB
4
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance.......................................... 5
Further details regarding the individual steps....................................................... 6
Scope of inspection........................................................................................... 14
Parts lists
Parts list Vitosol 200-T, type SP2......................................................................... 15
Parts list Vitosol 300-T, type SP3A...................................................................... 17
Specification
Vitosol 200-T, type SP2........................................................................................ 19
Vitosol 300-T, type SP3A..................................................................................... 19
Certificates
Declaration of conformity...................................................................................... 20
Index
Index
5458 009 GB
5
For further information regarding the individual steps, see the page indicated
Commissioning steps
Inspection steps
Maintenance steps Page
•1. Checking pressure conditions and pre-charge
pressure............................................................................. 6
••• 2. Checking the function of the safety equipment............. 7
••• 3. Check electrical connections.......................................... 7
•4. Flushing, testing for leaks and filling the solar thermal
system............................................................................... 8
••• 5. Determining the flow rate and adjusting if required...... 11
• • 6. Starting the system.......................................................... 12
••• 7. Checking the switching function of the solar control
unit..................................................................................... 12
• • 8. Checking heat transfer medium and replacing if
required............................................................................. 12
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
5458 009 GB
6
Checking pressure conditions and pre-charge pressure
Cover the collectors.
Note
The glass cover of Viessmann flat-plate
collectors is coated with a protective
foil.
For vacuum tube collectors, use the tar-
paulins available as accessories.
Before the solar thermal system is
flushed or filled, check the pre-charge
pressure of the expansion vessel. This is
no longer possible once the solar ther-
mal system is operational.
Note
A manual pressure gauge can be found
in the solar service case available as an
accessory.
Enter values into the following table.
These can be retained for later inspec-
tion and maintenance work on the solar
thermal system.
P
5
1
3
2
4
Commissioning, inspection, maintenance
Further details regarding the individual steps
5458 009 GB
7
Documentation of pressure
1System pressure of the solar thermal system 1 bar
2Supplement per metre static ceiling + 0.1 bar/m
3System operating pressure (pressure gauge)
................ bar
Pressure reserve for venting + 0.1 bar
Filling pressure
................ bar
4Supplement per metre of height difference between pres-
sure gauge — expansion vessel 5
+ 0.1 bar/m
Deduction for hydraulic seal – 0.3 bar
Pre-charge pressure, expansion vessel 5
................ bar
Note
Note the pre-charge pressure level on
the expansion vessel. In doing so, spe-
cifically use the term "pre-charge pres-
sure" to prevent misunderstandings.
Example:
At 10 m static ceiling, the result is:
■ System operating pressure = 2 bar
■ Fill pressure = 2.1 bar
■ Pre-charge pressure = 1.7 bar
Checking the function of the safety equipment
Check the safety valve:
■ Response pressure
■ Correct installation, with blow-off line
Check electrical connections
Check the tightness of the electrical
plug-in connectors and cable grommets;
check cables for damage.
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5458 009 GB
8
Flushing, testing for leaks and filling the solar thermal system
■
!Please note
Filling and commissioning the
solar thermal system without
first safeguarding heat transfer
results in thermal loads.
If commissioning is carried out
prior to this, cover the collec-
tors and keep covered until
heat transfer has been regula-
ted.
Note
The glass cover of Viessmann flat-
plate collectors is coated with a pro-
tective foil.
For vacuum tube collectors, use the
tarpaulins available as accessories.
■ Flushing the solar thermal system
– Soldered copper pipes
Flush particularly thoroughly as any
residual scale may damage the
operation of the solar thermal sys-
tem.
– Flush solar thermal system with heat
transfer medium. Otherwise there is
a risk that residual water from flush-
ing may become mixed with the heat
transfer medium and thus alter its
properties.
Note
To flush and fill the solar thermal
system, use the filling container or
filling station available as acces-
sories. These contain high speed
pumps with high pump rates and fil-
ters.
■Never drain the system with a suction
pump.
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5458 009 GB
9
Solar-Divicon (accessory)
0
20
40
60
80
100
120 0
20
40
60
80
100
120
2
4
6
8
10
12
L/Min
BA
D
C
AThermometer/non-return valve,
flow
BThermometer/non-return valve,
return
CSafety assembly, with 6 bar safety
valve
DFlow indicator
Fill valve (accessory)
E
F
EShut-off tap
FDrain & fill taps
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5458 009 GB
10
P
A
B
C
D
APressure gauge
BDrain & fill taps
CContainer for heat transfer medium
DShut-off valve
1. Open shut-off taps or valves. With the
Solar-Divicon, open the non-return
valves by turning the thermometers
clockwise through 45° (see diagram
on page 9).
2. Close shut-off tap E; open drain &
fill taps F on the fill valve (see dia-
gram on page 9).
Connect hoses from the flushing and
filling facility. Fill the container with
heat transfer medium.
Note
Flush the system via the return con-
nection (flow direction to the collec-
tor).
Commissioning, inspection, maintenance
Further details regarding the individual steps (cont.)
5458 009 GB
Dieses Handbuch passt für folgende Modelle
2
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