Viessmann Vitosol 222-T Operating instructions
Installation and service
instructions
for contractors
VIESMANN
Vitosol 222-T
Type BS2A
Vacuum tube collector and DHW cylinder
For applicability, see the last page
VITOSOL 222-T
5516 344 GB 2/2014 Please keep safe.
2
Please follow these safety instructions closely to prevent accidents and mate-
rial 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 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 regulations
■ Statutory regulations regarding the
prevention of accidents
■ Statutory regulations regarding envi-
ronmental protection
■ Codes of practice of the 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, SWKI and
SVGW
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 recon-
nection.
!Please note
Electronic assemblies can be
damaged by electrostatic dis-
charge.
Prior to commencing any work,
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 sys-
tem.
Defective components must be
replaced with genuine
Viessmann spare parts.
Safety instructions
Safety instructions
5516 344 GB
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.)
5516 344 GB
4
Installation instructions
Preparing for installation
Observe prior to installation.................................................................................. 5
Installation sequence
Installing the collector (positioning at 90°)............................................................ 7
Installing the collector (positioning at 75 °)........................................................... 14
Angle of inclination of the absorbers.................................................................... 22
Installing the DHW cylinder.................................................................................. 22
Connecting the solar lines.................................................................................... 28
Installing the control unit....................................................................................... 30
Electrical connection............................................................................................ 31
Service instructions
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance.......................................... 33
Further details regarding the individual steps....................................................... 34
Fault
Fault messages.................................................................................................... 37
Specification
Vacuum tube collector.......................................................................................... 38
DHW cylinder....................................................................................................... 38
Index
Index
5516 344 GB
5
Vacuum tube collector
■ Do not install the collectors when there
is strong sunlight.
■ When installing in regions where low
temperatures are to be expected, fill
the solar thermal system with anti-
freeze.
Viessmann recommends the following
(see table):
Quantity of antifreeze in % 10 15 20 24 28 30 35
Frost protection temperature in °C –5 –10 –15 –20 25 –30 –40
The following jobs must only be carried
out by qualified contractors, taking into
account the conditions applicable on site
(see also GB 50057-2010):
■ Connection of collector system to an
existing or new lightning protection
system
■ Provision of local earthing
Danger
Falling objects and tools can lead
to life-threatening accidents.
■ The installation area must be
able to support four times the
weight of the filled vacuum tube
collector (for weight, see
page 38).
■ Secure the vacuum tube col-
lector with ropes.
■ Secure tools and equipment
with safety devices.
DHW cylinder
■ The installation area must be able to
support four times the weight of the fil-
led DHW cylinder (for weight, see
page 38).
■ A cold water connection and a 220 V
power socket must be available at the
installation site.
■
Danger
Hot steam and water can
escape from the safety valves.
This may cause scalding.
Install a drainage system near
the DHW cylinder. Ensure that
the connection between the
drain lines and the drainage
system does not become
detached.
Preparing for installation
Observe prior to installation
5516 344 GB
Installation
6
■ Ensure that the floors below are not
damaged in the event of a leak in the
DHW cylinder or pipe connections.
Preparing for installation
Observe prior to installation (cont.)
5516 344 GB
7
!Please note
Do not damage the vacuum
tubes.
Do not position the cardboard
packaging vertically, do not sub-
ject it to impacts and do not walk
on it.
Install the collector with a fall (min. 2°),
i.e. the header casing must be in a higher
position.
Note
On balconies with a protruding floor
plate, observe the following clearances
between the floor plate and the lower
holes:
■ 8 vacuum tubes: min. 200 mm
■ 12 vacuum tubes: min. 360 mm
A
600
600
B C
x
1790
170
ABalcony outside wall
BSupplied template
CSupplied template moved to the
side
Vacuum tubes x in mm
8260
12 420
Installation sequence
Installing the collector (positioning at 90°)
5516 344 GB
Installation
8
2.
3.
1.
Installation sequence
Installing the collector (positioning at 90°) (cont.)
5516 344 GB
9
8x4.
Ø 14
8x
Adjusting the angle of inclination of
the absorbers
Adjust the angle of inclination with the
collector still in its packaging.
Installation sequence
Installing the collector (positioning at 90°) (cont.)
5516 344 GB
Installation
10
Perform the adjustment by rotating the
vacuum tubes (use the adjustment tem-
plate provided).
Note
The coated (blue) side of the absorber
must be aligned with the sun.
For the absorber angles of inclination,
see the table on page 22.
5.
D
0
5
10
15
Installation sequence
Installing the collector (positioning at 90°) (cont.)
5516 344 GB
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