Viessmann Vitosol 300-T User manual

VIESMANN
Installation instructions
for contractors
Vitosol 300-T
Type SP3A
Vacuum tube collector based on the heat pipe principle
VITOSOL 300-T
5366 351 GB 8/2008 Dispose after installation.

Please follow these safety instructions closely to prevent accidents and
material 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
environmental pollution.
Note
Details identified by the word "Note"
contain additional information.
Target group
These instructions are exclusively
designed for qualified personnel.
&Work on gas appliances must only
be carried out by a qualified gas fit-
ter.
&Work on electrical equipment must
only be carried out by a qualified
electrician.
Regulations
Observe the following when working
on this system
&all legal instructions regarding the
prevention of accidents,
&all legal instructions regarding
environmental protection,
&theCodeofPracticeofrelevant
trade associations,
&all current safety regulations as
defined by DIN, EN, DVGW, TRGI,
TRF, VDE and all locally applicable
standards.
Workingonthesystem
&Isolate the system from the power
supply and check that it is no longer
'live', e.g. by removing a separate
fuse or by means of a mains isola-
tor.
&Safeguard the system against
unauthorised reconnection.
&When using gas as fuel, also close
the main gas shut‐off valve and
safeguard against unauthorised
reopening.
Safety instructions
2
5366 351 GB

Preparing for installation.......................................................................... 4
Installation sequence
Vertical rooftop installation.......................................................................... 5
&Component overview ............................................................................... 5
&Fitting roof hooks or mounting brackets .................................................... 7
&Fitting mounting rails................................................................................ 13
&Fitting the connecting chamber ................................................................ 16
Installation on flat roofs............................................................................... 17
&Component overview ............................................................................... 17
&Determining the collector row distance "z"................................................ 18
&Adjusting the angle of inclination α........................................................... 19
&Fitting the collector supports .................................................................... 20
&Fitting the mounting rails and connecting chamber ................................... 24
Hydraulic connections ................................................................................ 25
&Linking the connecting chamber............................................................... 25
&Fitting the connection set ......................................................................... 26
&Fitting the vacuum tubes and collector temperature sensor....................... 28
Installation.................................................................................................. 32
Commissioning and adjustment .................................................................. 34
Index
3
5366 351 GB

Earthing and lightning protection of the solar heating system
Install an electrical conductor on the
pipework system of the solar circuit in
the lower part of the building in com-
pliance with VDE [or local regula-
tions].
The connection of the collector sys-
tem to a new or existing lightning pro-
tection system or the provision of
local earthing must only be carried out
by authorised trained personnel, who
must take into account the site condi-
tions.
Preparing for installation
4
5366 351 GB

Component overview
Roof tile cover
1Timber
&38 x 58 x 2140 mm
&30 x 100 x 2140 mm
2Roof hooks
3Zinc-plated countersunk chip-
board screw (Spax-s) 6 x 80 mm
4Zinc-plated countersunk chip-
board screw (Spax-s) 5 x 30 mm
Slate cover
5Roof hooks
6Zinc-plated countersunk chip-
board screw (Spax-s) 6 x 30 mm
Corrugated sheet cover
7Roof hooks for corrugated roofing
sheet, profile 5 and 6
8Roof hooks for corrugated roofing
sheet, profile 8
Vertical rooftop installation
5
5366 351 GB

Plain tile cover
9Roof hooks
4Zinc-plated countersunk chip-
board screw (Spax-s) 5 x 30 mm
Fixing without roof hooks
qP Mounting bracket
For all forms of roofing
qQ Clamping bracket
qW T-slot bolt
qE Washer
qR Hexagon nut
qT Mounting rail
qZ Mounting rail with tube holders
qU Retaining plate
qI Connecting casing
qO Vacuum tube
wP Retaining rubber
Accessories for one collector array
wQ Connecting pipe
wW Thermal insulation
Connection set:
wE Connecting pipe (short)
wR Connecting pipe (long)
wT Locking ring fitting (elbow 90°),
722
wZ Support sleeve
wU U-pipe
wI Thermal insulation cap
wO Fixing screws
eP Strain relief fitting
eQ Sensor retainer
eW Installation pipe
Vertical rooftop installation (cont.)
6
5366 351 GB

Fitting roof hooks or mounting brackets
Overview –Installation with roof hooks
Dimension x according to the width of
thetilehead.
AVacuum tube
BClamping bracket
CMounting rail with tube holders
DMounting rail
ERoof hooks
FTimber, 38 x 58 mm
(only for roof tiles)
GTimber, 30 x 100 mm
(only for roof tiles)
HRetaining plate
KConnecting casing
Overview –Installation with mounting brackets
(e.g. on sheet steel roofs)
Vertical rooftop installation (cont.)
7
5366 351 GB

Use on-site fixing elements to secure
the brackets (for example standing
seams).
AVacuum tube
BClamping bracket
CMounting rail with tube holders
DMounting bracket
EMounting rail
FRetaining plate
GConnecting casing
Vertical rooftop installation (cont.)
8
5366 351 GB

For installations without roof hooks, mounting brackets are used in place of the
roof hooks.
Note
Centre the mounting rails; maintain dimension f = 81 mm.
Combination a mm b mm c mm d mm e mm
2m
2
850 ——— —
3m
2
1260 ——— —
2m
2
/2 m
2
850 1520 850 2370 670
2m
2
/3 m
2
850187512602930 820
3m
2
/3 m
2
1260 2230 1260 3490 970
Vertical rooftop installation (cont.)
9
5366 351 GB

Fitting the mounting brackets
Secure the mounting brackets to the
substructure on-site in accordance
with the dimensions given in the illus-
trations on page 7 and 9.
Fitting roof hooks for roof tile cover
1. Push up the roof tiles in accor-
dance with the dimensions shown
in the illustration on page 7.
2. Secure the timber to the joists at
the head of the exposed rows of
tilesinaccordancewiththedimen-
sions shown in the illustration on
page 7.
Vertical rooftop installation (cont.)
10
5366 351 GB