Viessmann Vitocrossal 100 Manuel utilisateur
Operating instructions
for the system user
VIESMANN
Vitocrossal 100, type CI1 with Vitotronic 100 control unit, type GC7B for constant
temperature operation
VITOCROSSAL 100
5792 952 GB 2/2017 Please keep safe.
2
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 operating instructions are intended for heating
system users.
This appliance can also be operated by children 8
years and older, as well as by individuals with reduced
physical, sensory or mental faculties or those lacking
in experience and knowledge, provided such individu-
als are being supervised or have been instructed in the
safe use of this appliance and any risks arising from it.
!Please note
Supervise children in the proximity of the appli-
ance.
■Never permit children to play with the appli-
ance.
■Cleaning and maintenance must not be car-
ried out by unsupervised children.
Appliance connection
■The appliance may only be connected and commis-
sioned by authorised contractors.
■Only operate the appliance with suitable fuels.
■Observe the specified electrical connection require-
ments.
■Modifications to the existing installation may only be
carried out by authorised contractors.
Danger
Incorrectly executed work on the heating system
can lead to life threatening accidents.
■Work on gas installations must only be carried
out by a registered gas fitter.
■Work on electrical equipment must only be
carried out by a qualified electrician.
Work on the appliance
■All settings and work on the appliance must be car-
ried out as specified in these operating instructions.
Further work on the appliance may only be carried
out by authorised contractors.
■Never open the appliance.
■Never remove casings.
■Never change or remove attachments or fitted
accessories.
■Never open or retighten pipe connections.
Danger
Hot surfaces can cause burns.
■Never open the appliance.
■Never touch the hot surfaces of uninsulated
pipes, fittings or flue pipes.
Damage to the appliance
Danger
Damaged equipment poses a safety hazard.
Check the appliance for external damage. Never
start up a damaged appliance.
Safety instructions
For your safety
5792 952 GB
3
If you smell gas
Danger
Escaping gas can lead to explosions which may
result in serious injury.
■Never smoke. Prevent naked flames and
sparks. Never switch lights or electrical appli-
ances on or off.
■Close the gas shut-off valve.
■Open windows and doors.
■Evacuate any people from the danger zone.
■Notify your gas and power supply utility and
your local heating contractor from outside the
building.
■Have the power supply to the building shut off
from a safe place (outside the building).
If you smell flue gas
Danger
Flue gas can lead to life threatening poisoning.
■Shut down the heating system.
■Ventilate the installation site.
■Close all doors in the living space.
In case of fire
Danger
Fire presents a risk of burns and explosion.
■Shut down the heating system.
■Close the shut-off valves in the fuel supply
lines.
■Use a tested fire extinguisher, class ABC.
In case of water leaking from the appliance
Danger
Water leaking from the appliance poses an elec-
trocution hazard.
■Switch off the heating system at the external
isolation point (e.g. fuse box, domestic power
distribution unit).
■Notify your local heating contractor.
What to do if the heating system develops a fault
Danger
Fault messages point to faults in the heating
system. If faults are not rectified, they can have
life threatening consequences.
Never acknowledge fault messages several
times in quick succession. Inform your heating
contractor so the cause can be analysed and
the fault rectified.
Safety instructions
For your safety (cont.)
5792 952 GB
4
Installation room requirements
Danger
Sealed vents result in a lack of combustion air.
This leads to incomplete combustion and the
formation of life threatening carbon monoxide.
Never cover or close existing vents.
Never make any subsequent modifications to
the building characteristics that could affect safe
operation (e.g. cable/pipework routing, cladding
or partitions).
Danger
Easily flammable liquids and materials (e.g.
naphtha, solvents, cleaning agents, paints or
paper) can cause deflagration and fire.
Never store or use such materials in the installa-
tion room or in direct proximity to the heating
system.
!Please note
Incorrect ambient conditions can lead to heating
system damage and can put safe operation at
risk.
■Ensure ambient temperatures are above 0 °C
and below 35 °C.
■Prevent air contamination by halogenated
hydrocarbons (e.g. as contained in paints, sol-
vents or cleaning fluids) and excessive dust
(e.g. through grinding/polishing work).
■Avoid continuously high humidity levels (e.g.
through continuous drying of washing).
Extractors
The operation of appliances that extract air to the out-
side (cooker hoods, extractors, air conditioning units,
etc.) can create negative pressure. If the boiler is oper-
ated at the same time, this can lead to a reverse flow
of the flue gas.
Danger
The simultaneous operation of the boiler and
appliances that extract air to the outside can
result in life threatening poisoning due to
reverse flow of the flue gas.
Take suitable steps to ensure an adequate sup-
ply of combustion air. If necessary, contact your
heating contractor.
Auxiliary components, spare and wearing parts
!Please note
Components not tested with the heating system
may damage the system or affect its function.
Have all installation or replacement work carried
out exclusively by qualified contractors.
Safety instructions
For your safety (cont.)
5792 952 GB
5
1. Introductory information Intended use .......................................................................................... 6
Commissioning ...................................................................................... 6
Your system is preset at the factory ....................................................... 6
Terminology ........................................................................................... 6
Tips on saving energy ............................................................................ 7
2. Operation Controls ................................................................................................. 8
How to use the controls ......................................................................... 8
Symbols ................................................................................................. 8
3. Start-up/shutdown Switching on the heating system ........................................................... 10
Shutting down the heating system ......................................................... 10
■With frost protection monitoring .......................................................... 10
■Without frost protection monitoring (shutdown) .................................. 11
4. Central heating Required settings for central heating ..................................................... 12
Setting the heating flow temperature ..................................................... 12
Setting the operating program (central heating) .................................... 12
Switching off central heating .................................................................. 12
5. DHW heating Required settings (DHW heating) .......................................................... 13
Setting the DHW temperature ................................................................ 13
Setting the operating program (DHW heating) ...................................... 13
Switching off DHW heating .................................................................... 13
6. Further adjustments Setting the temperature unit (°C/°F) ...................................................... 14
Restoring factory settings ...................................................................... 14
7. Calling up information Scanning information and resetting values ............................................ 15
Scanning service messages .................................................................. 16
Scanning fault messages ....................................................................... 17
8. Multi boiler systems Special considerations for multi boiler systems ..................................... 18
9. Emissions test mode Starting emissions test mode ................................................................. 19
■Switching on emissions test mode ..................................................... 19
■Stopping emissions test mode ............................................................ 19
10. What to do if... Rooms are too cold ................................................................................ 20
Rooms are too hot ................................................................................. 20
There is no hot water ............................................................................. 20
The DHW is too hot ............................................................................... 21
"ã" flashes on the display ..................................................................... 21
"E" flashes on the display ..................................................................... 21
"ë" flashes on the display ..................................................................... 21
"- - EP - -" flashes on the display ........................................................... 21
11. Maintenance ................................................................................................................ 22
12. Keyword index ................................................................................................................ 24
Index
Index
5792 952 GB
6
The appliance is intended solely for installation and
operation in sealed unvented heating systems that
comply with EN 12828, with due attention paid to the
associated installation, service and operating instruc-
tions. It is only designed for heating up heating water
that is of potable water quality.
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 the building or DHW shall be deemed
inappropriate.
Any usage beyond this must be approved by the man-
ufacturer in each individual case.
Incorrect usage or operation of the appliance (e.g. the
appliance being opened by the system user) is prohibi-
ted and will result in an exclusion of liability. Incorrect
usage also occurs if the components in the heating
system are modified from their intended use (e.g. if the
flue gas and ventilation air paths are sealed).
Commissioning
Commissioning and matching the control unit to local
conditions and building characteristics, as well as
instructing the user in the operation of the system,
must be carried out by your heating contractor.
As the user of new combustion equipment, you may be
obliged to notify your local flue gas inspector of the
installation [check local regulations]. Your local flue gas
inspector will also inform you [where appropriate]
about work that may have to be carried out on your
combustion equipment (e.g. regular checks, cleaning).
Your system is preset at the factory
The control unit is preset at the factory to " " for
central heating and DHW heating.
Your heating system is therefore ready for operation:
Central heating
■The rooms are heated in accordance with the set-
tings on your control unit and room temperature con-
trol unit.
■Your heating contractor can make further settings for
you during commissioning.
You can change all settings individually at any time
to suit your requirements (see chapter "Central heat-
ing").
DHW heating
■DHW is heated to 50 °C.
■Your heating contractor can make further settings for
you during commissioning.
You can change all settings individually at any time
to suit your requirements (see chapter "DHW heat-
ing").
Frost protection
■Your boiler and DHW cylinder are protected against
frost.
Power failure
■All data is retained if there is a power failure.
Terminology
To provide you with a better understanding of the func-
tions of your control unit, the appendix contains chap-
ter "Terminology" (see page 23).
Introductory information
Intended use
5792 952 GB
7
Use the adjustment options on the control unit and the
room temperature control unit:
■Do not overheat your rooms; you can save up to 6 %
on your heating bills for every degree you reduce
your room temperature.
Set your room temperature no higher than 20 °C
(see page 12).
■Do not set your DHW temperature too high (see
page 13).
■Select the operating program that meets your current
requirements:
–In the summer, if you do not want to heat any
rooms but do need DHW, select the " " operating
program (see page 13).
–If you do not want to heat any rooms and require
no DHW for a prolonged period of time, select the
" " operating program (see page 10).
Further recommendations:
■Correct ventilation/airing.
Fully open windows for a short time and close the
thermostatic valves while airing.
■Close roller shutters (if installed) at dusk.
■Set thermostatic valves correctly.
■Never cover radiators or thermostatic valves.
■Controlled use of DHW: A shower generally uses
less energy than a full bath.
Introductory information
Tips on saving energy
5792 952 GB
8
You can change the settings for your heating system
centrally at the programming unit.
If you have a room temperature control unit installed in
your rooms, you can also change the settings on the
room temperature control unit.
Room temperature controller operating instruc-
tions
4 8°C
s A
Fig. 1
To take one step back in the menu.
Cursor keys
To scroll through the menu or adjust values
OK To confirm your selection or setting.
No function
Enables you to call up the menu for settings and
scanning.
How to use the controls
Default display
4 8°C
Fig. 2
Press . This takes you to the menu for settings and
scanning.
Symbols
These symbols are not always displayed, but appear
subject to the system version and the operating condi-
tion. Flashing displays indicate that modifications can
be made.
Menu
Central heating
DHW heating
Information
Emissions test mode
Additional settings
Operating program
Frost protection monitoring (standby mode)
DHW heating
Central heating and DHW heating
Messages
Service message
ýThe service interval has expired
Fault message
Burner fault message
Displays
Temperature
Frost protection monitoring
Operation
Controls
5792 952 GB
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Central heating
Boiler circuit pump running
Cylinder loading pump running
In conjunction with a solar thermal system:
Solar circuit pump running
Burner running
Standard factory setting
Operation
Symbols (cont.)
5792 952 GB
10
C D
B
A
4 8°C
s A
Fig. 3
AFault indicator (red)
BON indicator (green)
CReset button
DON/OFF switch
1. Check the heating system pressure at the
pressure gauge. The system pressure is too low if
the indicator points to the area below the red field.
In this case, top up with water or notify your heat-
ing contractor.
Ask your heating contractor about the follow-
ing:
■Level of the required system pressure
■Position of the following components:
–Pressure gauge
–Shut-off valve
–Gas shut-off valve
–Vents
2. For open flue operation:
Check that the vents in the installation room are
open and unrestricted.
Note
With open flue operation, the combustion air is
drawn from the installation room.
3. Open the gas shut-off valve.
Note
Ask your heating contractor to explain the position-
ing and handling of these components.
4. Switch ON the power supply, e.g. at a separate
MCB/fuse or a mains isolator.
5. Turn on the ON/OFF switch " ".
After a short while, the standard display appears
and the green ON indicator illuminates. Your heat-
ing system and room temperature control unit are
now ready for operation.
Shutting down the heating system
With frost protection monitoring
Select operating program " " for frost protection moni-
toring (standby mode).
Press the following keys:
1. for settings; " " flashes.
2. OK to confirm; " " flashes.
3. OK to confirm; " " flashes.
4. until " " flashes.
5. OK to confirm; frost protection is activated.
■No central heating.
■No DHW heating.
■Frost protection for the boiler and the DHW cylinder
is enabled.
Note
The circulation pumps are briefly started every 24
hours to prevent them from seizing up.
Ending operating program " "
Select another operating program.
Start-up/shutdown
Switching on the heating system
5792 952 GB
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