Viessmann VITOSOL 100-F Istruzioni operative
Service instructions
for contractors
VIESMANN
Vitosol-F
For applicability, see the last page
VITOSOL-F
5675 801 GB 2/2015 Please keep safe.
2
Please follow these safety instructions closely to
prevent accidents and material losses.
Safety instructions explained
!Please note
This symbol warns against the risk of material
losses and environmental pollution.
Note
Details identified by the word "Note" contain additional
information.
Target group
These instructions are exclusively intended for author-
ised contractors.
■Work on electrical equipment must only be carried
out by a qualified electrician.
■The system must be commissioned by the system
installer or a qualified person authorised by the
installer.
Regulations to be observed
■National installation regulations
■Statutory regulations for the prevention of accidents
■Statutory regulations for the protection of the envi-
ronment
■Codes of Practice of the relevant trade associations
■All relevant safety regulations as defined by DIN, EN,
DVGW, VDE and locally applicable standards
aÖNORM, EN and ÖVE
cSEV, SUVA, SVTI, SWKI and SVGW
Working on the system
■Isolate the system from the power supply (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 reconnection.
!Please note
Electronic assemblies can be damaged by elec-
trostatic discharge.
Prior to commencing 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 func-
tion can compromise the safe operation of your
system.
Replace faulty components with genuine
Viessmann spare parts.
Auxiliary components, spare and wearing parts
!Please note
Spare and wearing parts that have not been tes-
ted together with the system can compromise its
function. Installing non-authorised components
and making non-approved modifications or con-
versions can compromise safety and may inva-
lidate our warranty.
For replacements, use only original spare parts
supplied or approved by Viessmann.
Safety instructions
Safety instructions
5675 801 GB
3
1. Information Symbols ................................................................................................. 4
Intended use .......................................................................................... 4
Product information ................................................................................ 5
2. Commissioning, inspec-
tion, maintenance
Steps - commissioning, inspection and maintenance ............................ 6
3. Parts lists Ordering parts ........................................................................................ 13
Parts list ................................................................................................. 14
4. Scope of inspection .................................................................................................................. 18
5. Specification Vitosol 100-F .......................................................................................... 19
Vitosol 200-F .......................................................................................... 19
Vitosol 200-F .......................................................................................... 19
Vitosol 300-F .......................................................................................... 19
6. Certificates Declaration of conformity ....................................................................... 20
Index
Index
5675 801 GB
4
Symbol Meaning
Reference to other document containing
further information
1.
Step in a diagram:
The numbers correspond to the order in
which the steps are carried out.
Warning of material losses and environ-
mental pollution
Live electrical area
Pay particular attention.
■Component must audibly click into place.
or
■Acoustic signal
■Fit new component.
or
■In conjunction with a tool: Clean the sur-
face.
Dispose of component correctly.
Dispose of component at a suitable collec-
tion point. Do not dispose of component in
domestic waste.
The work sequences for commissioning, inspection
and maintenance are summarised in the chapter
"Commissioning, inspection and maintenance "and are
marked as follows:
Symbol Meaning
Work sequences required during commis-
sioning
Not required during commissioning
Work sequences required during inspec-
tion
Not required during inspection
Work sequences required during mainte-
nance
Not required during maintenance
Intended use
The collectors provide central heating backup and
solar backup for DHW heating. They are only intended
to be installed and operated in sealed systems that
comply with EN 12976 and EN 12977, with due atten-
tion paid to the associated installation, service and
operating instructions. Only operate the collectors with
heat transfer medium approved by the manufacturer.
Intended use presupposes that a fixed installation in
conjunction with permissible, system-specific compo-
nents has been carried out.
Commercial or industrial usage for a purpose other
than heating a building or DHW shall be deemed inap-
propriate.
Any usage beyond this must be approved by the man-
ufacturer in each individual case.
Incorrect usage of the collectors or the installation sys-
tem or incorrect operation is prohibited (e.g. the collec-
tors being opened by the system user, failure to
observe the installation instructions). Failure to
observe these instructions can change functions,
endanger life and limb of the user or third parties and
will result in an exclusion of liability.
Incorrect usage also applies if components in the sys-
tem are modified from their intended use (e.g. through
direct DHW heating in the collector).
Adhere to statutory regulations, especially concerning
the hygiene of potable water.
Information
Symbols
5675 801 GB
Information
5
Vitosol 100-F, 200-F and 300-F, types SV and SH, are
high performance flat-plate collectors.
Can be used universally, freestanding or on flat or
pitched roofs.
For heating DHW, swimming pool water and heating
water via a heat exchanger.
Information
Product information
5675 801 GB
Information
6
Commissioning steps
Inspection steps
Maintenance steps Page
•1. Checking pressure conditions and adjusting the pre-charge pressure of the
expansion vessel if necessary............................................................................................ 7
••• 2. Checking the safety equipment function........................................................................... 8
••• 3. Checking the electrical connections.................................................................................. 8
•4. Filling and flushing the solar thermal system and checking for leaks........................... 8
••• 5. Determining the flow rate and adjusting if required......................................................... 9
• • 6. Performing a test flush........................................................................................................ 10
• • 7. System start-up.................................................................................................................... 11
••• 8. Checking the switching function of the solar control unit............................................... 11
• • 9. Checking and replacing the heat transfer medium if required........................................ 11
Commissioning, inspection, maintenance
Steps - commissioning, inspection and maintenance
5675 801 GB
7
This process may not be carried out while the solar
thermal system is in operation.
1. Cover the collectors with tarpaulins.
2. Determine the charge pressure:
■Solar thermal system pressure 1 bar + 0.1 bar/m
= system pressure
■System pressure + 0.1 bar pressure reserve for
ventilation
3. Determine the pre-charge pressure of the expan-
sion vessel:
Value for system pressure minus 0.3 bar for
hydraulic seal.
4. Check pre-charge pressure and adjust if required.
A pressure gauge can be found in the solar serv-
ice case available as an accessory.
5. Enter the values in the following table (for subse-
quent inspection and maintenance work).
Example:
At 10 m static head, the result is:
■System pressure = 2 bar
■Charge pressure = 2.1 bar
■Pre-charge pressure = 1.7 bar
P
2
4
1
3
5
5
Fig.1
1System pressure of the solar thermal system 1.0 bar
2Supplement, static head 0.1 bar/m ................ bar
3System pressure (pressure gauge) ................ bar
Pressure reserve for ventilation + 0.1 bar
Charge pressure ................ bar
Pre-charge pressure of expansion vessel 5
Note
Record the "pre-charge pressure" level on the expansion vessel.
................ bar
4Supplement 0.1 bar/m ................ bar
Commissioning, inspection, maintenance
Checking pressure conditions and adjusting the pre-charge pressure of the
expansion vessel if necessary
5675 801 GB
8
Check the safety valve:
■Response pressure
■Correct installation, with discharge pipe
Checking the electrical connections
Check the tightness of the electrical plug-in connectors
and cable grommets; check cables for damage.
Filling and flushing the solar thermal system and checking for leaks
!Please note
Filling and commissioning the solar thermal sys-
tem without first safeguarding the heat transfer
results in thermal stress.
Cover the collectors and keep them covered
until the heat transfer has been regulated.
■Accessories for flushing and filling the solar thermal
system:
–Flushing and filling facility (filling trolley and
charging station)
These contain a high speed pump with a high
pump rate, a filter and a container for heat transfer
medium.
–Fill valve set, consisting of shut-off valve, drain
valve and fill valve.
■Flush the solar thermal system with heat transfer
medium. Otherwise there is a risk that residual water
from flushing may become mixed with the heat trans-
fer medium. This would alter the properties of the
heat transfer medium.
■Flush brazed copper pipes very thoroughly. Any
residual scale may compromise the operation of the
solar thermal system.
The following description is in conjunction with Solar-Divicon (see separate installation and service instructions)
P
K
N
M
G
B
C
A
H
L
L
M
EF
D
C
O
Fig.2
ASolar-Divicon
BShut-off valve (flow)
CNon-return valves
DSolar circuit pump
EAir separator
FShut-off valve (adjusting screw above flow indica-
tor H)
GDrain valve
Commissioning, inspection, maintenance
Checking the safety equipment function
5675 801 GB
9
HFlow indicator
KFill valve
LStagnation heat sink
MExpansion vessel
NFlushing and filling facility
OShut-off valve (return)
01. Open shut-off valve (flow) B: Turn the ball valve
(thermometer) clockwise through 45°.
02. Close shut-off valve (return) O: Turn the ball
valve (thermometer) clockwise through 90°.
03. Close shut-off valve F: Using a screwdriver, turn
the slot on the adjusting screw to position "S".
Fig.3
04. Connect hoses of flushing and filling facility N to
drain valve G and fill valve K.
05. Fill the container of flushing and filling facility N
with heat transfer medium.
06. Open drain valve G and fill valve K.
07. Start the fill pump of flushing and filling facility N.
08. Observe the fluid level in the container and top up
with heat transfer medium if necessary to prevent
any air entering the solar circuit. Leave the fill
pump of flushing and filling facility N running until
no more air bubbles rise to the top of the container
(at least 20 to 30 min).
Note
Briefly open shut-off valve F towards the end of
the flushing process: Using a screwdriver, turn the
slot on the adjusting screw above the flow indica-
tor to the vertical position. Any air that remains in
the return is eliminated.
09. Close drain valve G. Leave the fill pump of flush-
ing and filling facility N running until the required
charge pressure is reached.
Notes on residual ventilation
Even after thorough ventilation, some dissolved air
will still remain in the heat transfer medium. This
will be released as the temperature rises, and will
be discharged via air separator E.
10. Close fill valve K; stop the fill pump of flushing
and filling facility N.
The pressure must not drop for at least 30
minutes.
11. Open shut-off valve F: Using a screwdriver, turn
the slot on the adjusting screw above the flow indi-
cator to the vertical position.
12. Turn shut-off valves B and O to their operating
positions (0°).
13. Set the circulation pump to manual mode.
Open the air vent valve on air separator E.
Leave the circulation pump running until the float
in the flow indicator holds a constant position
while the pump is running.
Note
If there is air in the system, the float will oscillate.
Determining the flow rate and adjusting if required
Check the flow rate at the top edge of the float.
Commissioning, inspection, maintenance
Filling and flushing the solar thermal system… (cont.)
5675 801 GB
10
If no flow rate is indicated, the non-return valve in the
return does not open automatically; the flow path is
blocked.
Open shut-off valve (return) O (see diagram on
page 8): Turn the ball valve (thermometer) clockwise
through 45°. This opens a bypass around the non-
return valve. If a flow rate is now indicated, the flow
path is blocked. Perform a test flush to cause the non-
return valve to open (see page 11).
20
5
15
25
10
35
30
l/min
Fig.4
In conjunction with multi stage circulation pumps, set
the required flow rate via the output stage (see the fol-
lowing tables for approximate set values).
Note
With a Solar-Divicon, make the adjustment via shut-off
valve F (adjusting screw above the flow indicator).
Fig.5
High-flow operation, specific flow rate 40 l/(h·m2)
Number of collec-
tors
Flow rate in l/min
2 3
3 4.5
4 6
5 7.5
6 9.5
7 10.5
8 12.5
9 14
10 15.5
11 17
12 18.5
13 20
14 21.5
15 23.5
Low-flow operation, specific flow rate 15 l/(h·m2)
Number of collec-
tors
Flow rate in l/min
6 3.5
7 4
8 4.5
9 5
10 5.5
11 6.5
12 7
13 7.5
14 8
15 8.5
16 9
18 10.5
20 11.5
Performing a test flush
For components, see diagram on page 8.
Commissioning, inspection, maintenance
Determining the flow rate and adjusting if… (cont.)
5675 801 GB
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3
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13
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