Viessmann VITOVENT 300 Manuale utente
VIESMANN
Installation instructions
for contractors
Vitovent 300
Domestic ventilation system with heat recovery
Air flow rate up to 180, 300 and 400 m
3
/h
VITOVENT 300
5354 895 GB 3/2008 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,
&the Code of Practice of relevant
trade associations,
&all current safety regulations as
defined by DIN, EN, DVGW, TRGI,
TRF, VDE and all locally applicable
standards.
Working on the system
&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
5354 895 GB
Preparing for installation
System diagram.......................................................................................... 4
Air distribution ............................................................................................ 8
Run cables ................................................................................................. 9
Thermal insulation ...................................................................................... 10
Preventing flow noise and pressure drop..................................................... 10
&Silencer ................................................................................................... 11
Installation versions of the air outlets .......................................................... 12
&Floor-level outlet...................................................................................... 12
&Slotted outlet (for wall or ceiling mounting) ............................................... 13
Positioning the domestic ventilation appliance ............................................ 14
&Installation conditions .............................................................................. 14
&Location .................................................................................................. 15
&Clearance dimensions ............................................................................. 15
&Common operation with open flue fireplace .............................................. 15
&Operation with cooker hoods and expelled air dryers ................................ 16
Installation sequence
Installing the ventilation air and extract air device........................................ 17
&Hanging the appliance on the wall ............................................................ 17
&Installing the appliance ............................................................................ 18
Connecting the ductwork ............................................................................ 19
Connecting the condensate drain................................................................ 21
&Condensate drain via water drain plug...................................................... 21
&Condensate drain via siphon.................................................................... 22
Electrical connections................................................................................. 22
&Connecting the remote control ................................................................. 23
&Connecting to the power supply ............................................................... 24
External wall terminal.................................................................................. 25
Expelled air roof outlet ................................................................................ 26
Extract air valve.......................................................................................... 26
Kitchen extract air valve.............................................................................. 27
Ventilation aperture for ceiling mounting...................................................... 27
Ventilation aperture for wall mounting.......................................................... 28
Slotted outlet for wall and ceiling mounting.................................................. 29
Floor-level outlet......................................................................................... 30
Commissioning and adjustment .................................................................. 31
Index
3
5354 895 GB
Note: Legend see from page 5
System diagram
4
5354 895 GB
ACeiling
BWall
CFloor
Duct system System
(DN)
Part no.
1Flexible pipe thermally insulated
(round), 2.5 m long
125 7249 101
160 9521 450
180 7373 023
swaged (round), 5 m
long
125 7249 102
160 9521 455
180 7373 024
2Connecting piece (round) for joining two
flex pipes
125 7249 103
160 9521 437
180 7373 025
qT Bend (90°) 125 7249 106
160 9521 431
180 7373 028
(45°) 125 7249 107
160 9521 725
180 7373 029
System diagram (cont.)
5
5354 895 GB
Duct system System
(DN)
Part no.
1Folded spiral-seam tube 3 m long 125 7249 104
160 9521 428
180 7373 026
3Outside air inlet grille 160 9562 053
4Silencer 125 7249 105
160 9541 461
180 7373 027
5Expelled air roof outlet (round) with pro-
tective grille
160 9562 054
6Air distribution
box (flat)
6 connections 100/150 9542 586
3 connections 100/150 9562 050
7Silencer flexible (flat) 100 9542 573
150 9542 574
crush-resistant 100 9562 049
8Flat duct - flexible Length 3 m 100 9542 570
150 9542 571
Length 15 m 100 9559 070
9Flat duct - rigid 3 m long 150 9542 572
qP Connecting piece (flat) 100 9542 575
150 9542 576
qQ Tee (flat) Branch, broad side 150/100 9542 577
150/150 9542 578
Branch, narrow side 150/100 9542 579
150/150 9542 580
qW Reducer (flat) 150/100 9542 581
qE Adaptor duct system round to flat DN 125 to
system 150
7249 111
DN 160 to
system 150
9542 582
DN 180 to
system 150
7373 032
qR Reversing piece (flat) with round connec-
tion
System 100
to DN 100
9542 583
qT Elbow 90º narrow side 100 9562 057
150 9562 056
qZ Slotted outlet for wall and ceiling mounting 100 9542 566
qU Floor level outlet, stainless steel grate 100 9559 914
System diagram (cont.)
6
5354 895 GB
Duct system System
(DN)
Part no.
qI Tee DN 125 to
DN 125
7249 110
DN 125 to
system 150
7249 112
DN 160 to
DN 160
7190 179
DN 160 to
system 150
9562 051
DN 180 to
DN 180
7373 031
DN 180 to
system 150
7373 033
Not shown System
(DN)
Part no.
Reducer
for the connection of pipework and for adapting
pipes DN 125 to the outside air filter box
DN 160 to
DN 125
7249 108
DN 125 to
DN 100
7249 109
DN 180 to
DN 160
7373 030
Elbow 90º broad side made of 2 sections 100 9542 584
150 9542 585
made of 3 sections 150 9562 055
Outside air apertures System
(DN)
Part no.
qZ Slotted outlet with connecting box, 128 × 51
(system 100)
100 9542 566
qU Floor-level outlet (system 100), anodised
aluminium grate
100 9559 914
qO Outside air aperture for ceiling mounting at
the centre of a room, DN 100
100 9523 956
wQ Outside air aperture for wall mounting, DN
100
100 9521 425
System diagram (cont.)
7
5354 895 GB
Extract air apertures System
(DN)
Part no.
wW Extract air valve, DN 100 100 9521 448
wE Kitchen extract air valve, DN 100 100 9542 601
wR Pre-/post-heater bank 125 7160 135
160 7373 034
180 7373 035
Air distribution
Air is distributed through air distribu-
tion boxes with flat ducts (system 100)
in conjunction with suitable branches,
silencers, clean-out covers and air
wall outlets/inlets.
Routing the air supply ductwork takes
priority over the heating, DHW and
drainage networks to avoid compli-
cated pipe runs.
System diagram (cont.)
8
5354 895 GB
ABedroom
BLiving room
CKitchen
DWC
EBathroom
FExtract air
GVentilation air
HOutside air
KExpelled air
LAir distribution box
MFlat duct
NVitovent 300
Run cables
&Secure the air distribution system
with clips or perforated straps.
&Prevent the accumulation of con-
densate by using straight (non-sag-
ging) lines.
&Push individual elements together
with joints or female connections.
&Secure joints with self-tapping
screws or blind rivets and seal air-
tight with shrink tape.
&Use reducers in accordance with
the required flow rate and the pre-
vailing building conditions.
Air distribution (cont.)
9
5354 895 GB
&Never let drilling swarf drop into the
appliance connectors.
&Secure the flexible pipe with a hose
clip to the outside air connector on
the appliance.
Thermal insulation
Thermally insulate those parts of the
air distribution system that are routed
through unheated areas using vapour
diffusion-proof material.
Provide outside air and expelled air
lines with a vapour diffusion-proof
insulation layer.
Provide ventilation air and extract
air lines with a insulation layer of at
least 50 mm thickness.
Preventing flow noise and pressure drop
&Install the air distribution box near
the central device.
&Maintain a maximum distance of
5 m between the ventilation air and
extract air lines from the appliance
and the air distribution box.
&Install silencers on the ventilation
air and extract air side immediately
above the appliance (behind the
adaptor from round to flat).
&Symmetrical ductwork design.
&Short runs, few bends.
Run cables (cont.)
10
5354 895 GB
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