Viessmann VITOCELL 300V Manuale utente
VITOCELL 300V
VITOCELL 300W
Installation instructions
for contractors
Vitocell300V and Vitocell300W
TypeEVA
DHW cylinders with peripheral indirect coils
130 to 200litre capacity
5592783GB3/2007
2
Safety instructions
Please follow these safety instructions closely to prevent accidents and
material losses.
Safety regulations
Installation, commissioning,
inspection, maintenance and repairs
must only be carried out by a
competent person (heating
engineer/installation contractor).
Observe all current safety
regulations as defined by DIN,
EN, DVGW, TRGI, TRF and VDE or
locally applicable standards.
See also the "Safety instructions" in
the "Vitotec technical
documentation" folder.
Before working on the equipment/
heating system, isolate the power
supply (e.g. by removing a separate
mains fuse or by means of a main
isolator) and safeguard against
unauthorised reconnection.
¨Safety instructions
In this instruction manual, this
heading denotes information that
must be observed to prevent
accidents and material losses.
¨This symbol denotes important
information that must be
observed to prevent material
losses.
5592783GB
3
Product information
DHW cylinders with peripheral indirect coils for DHW heating in conjunction
with freestanding and wall mounted boilers.
130, 160 and 200litre capacity.
Suitable for systems conforming to DIN1988, EN12828 and DIN4753.
DIN registration number 0166/9910MC.
HR Heating water return
HV Heating water flow
KW Cold water
TH Sensor well for cylinder
temperature sensor or
control thermostat
WW DHW
Z DHW circulation
5592783GB
TH
Z
WW
HR
HV
KW
4
DHW cylinder installation and levelling
¨Install the DHW cylinder in a
room that is free from the risk of
frost and draughts. Otherwise it
must be drained when not in use
and there is a risk of frost.
Level the DHW cylinder with its
adjustable feet.
!Please note
The thermal insulation must
not be able to come into
contact with naked flames.
Exercise caution when welding
and soldering.
Note
Never extend the adjustable feet
further than 35mm of their total
length.
Connecting the earth bonding
Connect the earth bonding in
accordance with the requirements
stipulated by your local power supply
utility and current local regulations.
Fitting the cylinder temperature sensor
Insert the cylinder temperature
sensor until it bottoms out inside the
sensor well and secure with the
strain relief sleeve.
Affix the type plate on the back of the
DHW cylinder.
5592783GB
4.
1. 5.
2.
3.
5
Connection on the heating water side
HConnect all pipes with detachable fittings.
HAdjust the control thermostat and high limit safety cut−out to ensure that
the DHW temperature inside the DHW cylinder never exceeds 95ºC.
Permiss. temperatures
Hon the heating water side 110ºC
. . . .
Hon the DHW side 95ºC. . . . . . . . . . . . . . . . . . . . . .
Permiss. operating pressure
Hon the heating water side 3bar
. . . .
Hon the DHW side 10bar. . . . . . . . . . . . . . . . . . . . . .
Test pressure
Hon the heating water side
(primary) 4bar
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hon the DHW side
(secondary) 13bar
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1. For heating water flow
temperatures above 95ºC:
Remove the cover bezels from the
heating water side pipe outlets
(bezels have l.h. threads).
2. Install the return line with an
incline and fit an air vent valve at
its highest point.
AVitocell
BSpring−loaded
check valve
CWall mounted boiler
ELV Air vent valve
HR Heating water return
HV Heating water flow
K Boiler
UP Circulation pump
5592783GB
HR
B
KA
ELV
HV
UP
C
BA
HR
HV
ELV
6
Connecting the domestic hot water side
HFor the connection on the DHW side, observe DIN1988 and DIN4753
[or local regulations].
HEquip the DHW circulation line with a circulation pump, check valve and a
time switch. Only a limited gravity operation is possible.
HConnect all pipes with detachable fittings.
HUse red brass caps to seal connections that are not required.
HPermiss. operating pressure 10bar
. . .
Test pressure 13bar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ACheck valve, spring−loaded
BVisible blow−off pipe outlet
AV Shut−off valve
DFR Flow regulating valve
DMV Pressure reducer
EV Drain valve
KW Cold water
MA Pressure gauge connection
MAGW Diaphragm expansion
vessel, suitable for
drinking water
RV1 Non−return valve
RV2 Non−return valve/pipe
separator
SIV Safety valve
TF Drinking water filter
WW DHW
Z DHW circulation pipe
ZP DHW circulation pump
5592783GB
DMV
B
EV
SIV
AV DFR MA RV1
EV
AV
KW
AV
EV
TF AV RV2 KW
MAG−W
WW Z
ZP
A
7
Connecting the domestic hot water side (cont.)
Safety valve
Equip the system with a type−tested
diaphragm safety valve as protection
against overpressure.
Permiss. operating pressure: 10bar.
The connection diameter of the
safety valve should be R½" (DN15).
Consequently, the max. permissible
heating load would be 75kW. If the
heating load of the DHW cylinder is
above 75kW, select a larger safety
valve that is large enough for the
actual heating load (see DIN47531,
issue3/88, section6.3.1).
Install the safety valve in the cold
water pipe. It must not be able to be
isolated from the DHW cylinder.
The pipework between the safety
valve and the DHW cylinder must not
be restricted in any way. The safety
valve blow−off line must not be able
to be closed. Expelled water should
be safely and visibly drained into a
waste water facility. It is advisable to
place a sign close to the safety valve
blow−off line or on the safety valve
itself with the following inscription:
"For safety reasons, water may be
discharged from the blow−off line
during heating. Never seal off."
Install the safety valve above the top
edge of the DHW cylinder.
5592783GB
Viessmann Werke GmbH&Co KG
D35107 Allendorf
Tel: +49 6452 700
Fax: +49 6452 702780
www.viessmann.de
Viessmann Limited
Hortonwood 30, Telford
Shropshire, TF1 7YP, GB
Tel: +44 1952 675000
Fax: +44 1952 675040
E−mail: info−[email protected]
8
Commissioning
For commissioning, see the
service instructions
Printed on environmentally friendly,
chlorine−free bleached paper
5592783GBSubject to technical modifications.
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