Viessmann VITOCELL 100-U Manuel utilisateur
VIESMANN
Installation instructions
for contractors
Vitocell 100-U
Type CVU
Dual-mode DHW cylinder with Solar-Set
Vitocell 100-W
Type CVU
Dual-mode DHW cylinder with Solar-Set
VITOCELL 100-U
VITOCELL 100-W
5592 936 GB 8/2007 Dispose after installation.
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
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
5592 936 GB
Installation information
Product information .................................................................................... 4
&Vitocell 100-U and 100-W, type CVU ........................................................ 4
&Connections ............................................................................................ 4
&Installation notes ..................................................................................... 5
Installation sequence
Installing the Solar-Set................................................................................ 6
&Immersion heater..................................................................................... 6
&Solar-Set fixings ...................................................................................... 7
&Fitting the Solar-Set ................................................................................. 8
Hydraulic connection (on the solar side)...................................................... 8
&Lower heating water connections (solar) .................................................. 9
&Upper heating water connections (solar) .................................................. 10
Fitting the safety assembly.......................................................................... 11
Fitting the thermometer sensor and the cylinder temperature sensor ........... 12
&Fitting the thermometer sensor................................................................. 12
&Fitting the Vitosolic 100 cylinder temperature sensor at the front............... 13
&Installing the cylinder temperature sensor of the boiler control unit at the
back ........................................................................................................... 14
Connect control unit.................................................................................... 15
Closing and removing the Solar-Set ............................................................ 16
Checking the anode connection and fitting the lid ........................................ 17
Connections on the heating water and solar sides ....................................... 18
&System design with solar collectors, immersion heater EHE and boiler ..... 18
Connecting the domestic hot water side ...................................................... 20
Connecting the earth bonding ..................................................................... 22
Commissioning........................................................................................... 22
Index
3
5592 936 GB
Vitocell 100-U and 100-W, type CVU
Enamelled DHW cylinder with internal
indirect coils for DHW heating in con-
junction with solar heating systems,
freestanding and wall mounted boilers
and/or EHE immersion heater for
dual-mode operation.
&DHW cylinder, fully equipped with
Solar-Set, comprising:
–Solar-Divicon
–Vitosolic 100
–Pre-assembled pipework
&Content: 300 litres
&Suitable for systems conforming to
DIN 1988, DIN EN 12828, DIN 4753
&DIN registration number: Applied for
&Vitocell 100-W: in white, otherwise
identical
Connections
AConnection for thermometer sen-
sor
BMagnesium anode with earth
cable
CHeating water return, solar (lower
indirect coil)
DHot water to the pipework
EHeating water flow, solar (lower
indirect coil)
FSensor well for cylinder tempera-
ture control
GHeating water flow, boiler (upper
indirect coil)
HDHW circulation
KHeating water return, boiler
(upper indirect coil)
LCold water/drain
MHeating water return, solar (lower
indirect coil)/sensor well for cylin-
der temperature sensor, solar
NSensor well for lower thermometer
OHeating water flow, solar (lower
indirect coil)
PFemale connection for immersion
heater
Product information
4
5592 936 GB
Installation notes
!Please note
The thermal insulation must
notbeabletocomeintocon-
tact with naked flames.
Exercise caution when welding
and soldering.
!Please note
To prevent material losses,
install the DHW cylinder in a
room free from the risk of frost
and draughts.
Drain the DHW cylinder when
not in use and there is a risk of
frost.
&Allow an adequate distance to the
wall to enable the thermostat (if
installed) to be operated.
&Level the DHW cylinder with its
adjustable feet.
Note
Never extend the adjustable feet
beyond a total length of 35 mm.
Installing the DHW cylinder with an EHE immersion heater
Installation instructions,
immersion heater EHE
Maintain the minimum clearance.
!Please note
The unheated length of any
threaded immersion heater
installedonsitemustbeat
least 100 mm.
The threaded immersion hea-
ter must be suitable for installa-
tion in enamel-coated DHW
cylinders.
Product information (cont.)
5
5592 936 GB
Immersion heater
If an EHE immersion heater is
installed (accessory), we would
recommend to do this prior to fitting
the base support for the Solar-Sets,
but to leave the electrical connection
until later.
Installation instructions,
immersion heater EHE
!Please note
To prevent equipment damage,
cables must not come into con-
tact with hot parts.
Ensure sufficient thermal insu-
lation between the cables and
hot pipework.
&Route the supply cable of the EHE
immersion heater on the right side
of the base support and secure with
the cable ties supplied.
&Remove the cover from the facia of
the Solar-Set, enabling the facia to
be pulled over the fitted EHE immer-
sion heater.
If no EHE immersion heater is
installed: Seal in the plug (R 1½")
supplied into the free female connec-
tion above the sensor well (Psee
page 4). The cover remains fitted to
the solar-Set facia.
Installing the Solar-Set
6
5592 936 GB
Solar-Set fixings
Insert the screws supplied approx.
half way into the cylinder.
Installing the Solar-Set (cont.)
7
5592 936 GB
Fitting the Solar-Set
&Lead the base support for the Solar-
Set with corresponding openings
through both screws and hook in.
&Insert the third screw at the top of
the cylinder through a suitable slot.
&Tighten all 3 screws.
&Remove the cardboard transport
packing for securing the pump and
pipes from within the Solar-Set.
Hydraulic connection (on the solar side)
Note
To join and fit the heating water con-
nections (solar), release the fixing
clamps from the pipework, if required.
Installing the Solar-Set (cont.)
8
5592 936 GB
Lower heating water connections (solar)
AHeating water return of the solar
heating system
BHeating water flow of the solar
heating system
Secure both pipelines (heating water
return, solar Aand heating water
flow, solar B) with the flat packing-
ings and union nuts supplied. Tighten
the fixing clamps.
Hydraulic connection (on the solar side) (cont.)
9
5592 936 GB
Upper heating water connections (solar)
AHeating water return of the solar
heating system
BHeating water flow of the solar
heating system
&Lead the upper 2 connection pipes
(heating water return/flow, solar)
through the appropriate 4 openings
in the base support of the Solar-Set
and the DHW cylinder.
&Secure the thermally insulated
upper connection pipes (heating
water return/flow, solar) with the flat
packings and union nuts supplied.
Note
Apply the thermal insulation of the
pipes after the installation over the
entire pipe length up to the edge of
the DHW cylinder.
Hydraulic connection (on the solar side) (cont.)
10
5592 936 GB
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