Viessmann VITOWELL comfort User manual

0
Installation And Operation Manual
STORAGE ELECTRIC WATER HEATER
Contents

1
Contents
Safety-------------------------------------------------------------------------------2
General warnings-------------------------------------------------------------------------------------2
Key to symbols----------------------------------------------------------------------------------------4
General safety norms--------------------------------------------------------------------------------5
Specific safety norms for this appliance---------------------------------------------------------7
Appliance description---------------------------------------------------------8
Appliance profile--------------------------------------------------------------------------------------8
Appliance norms-------------------------------------------------------------------------------------12
Appliance installation--------------------------------------------------------13
Packing list--------------------------------------------------------------------------------------------13
Installation norms (for the installer) ------------------------------------------------------------14
Installing the appliance----------------------------------------------------------------------------15
Installation steps------------------------------------------------------------------------------------16
User instructions--------------------------------------------------------------20
Advice for user---------------------------------------------------------------------------------------20
Control and operating instructions--------------------------------------------------------------21
Wiring diagram and technical parameters----------------------------27
Wiring diagram---------------------------------------------------------------------------------------27
Technical parameters------------------------------------------------------------------------------28
Maintenance instructions---------------------------------------------------30
Maintenance regulations--------------------------------------------------------------------------30
Cleaning the outer parts---------------------------------------------------------------------------30
Safety valves-----------------------------------------------------------------------------------------30
Periodic maintenance------------------------------------------------------------------------------31
Troubleshooting---------------------------------------------------------------32
Fault analysis-----------------------------------------------------------------------------------------33

2
Safety
Safety
General warnings
1. This manual is an integral and essential part of the appliance. It should be
preserved with care and transferred alongside the appliance if the latter is
transferred to another owner or user and/or moved to another location.
2. Carefully read the instructions and warnings contained in this manual. They
provide important information for the safe installation, use and maintenance of your
new appliance.
3. The installation should be performed by a competent person in accordance with
the instructions contained herein.
4. The use of this appliance for purposes other than those specified is strictly
forbidden. The manufacturer is not to be held responsible for any damage due to
improper, incorrect and unreasonable use or due to failure to comply with the
instructions set forth herein.
5. Installation, maintenance and all other interventions must be carried out by a
competent person in full conformity with the applicable legal regulations and the
directions provided by the manufacturer.
6. Incorrect installation can cause personal injury, property damage and damage to
animals. The manufacturer will not be held responsible for such damage.
7. Keep all packing material (clips, plastic bags, polystyrene foam, etc.) out of
children's reach as they are hazardous.

3
Safety
Safety
8. This appliance is not intended for use by persons (including children) with reduced
physical, sensory or mental capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction concerning use of the appliance by a
person responsible for their safety. Children should be supervised to ensure that they
do not play with the appliance.
9. It is strictly forbidden to touch the appliance barefoot or with wet hands or feet.
10. All repairs should be carried out by a competent person only, using only original
spare parts. Failure to comply with the above instructions could compromise safety
and invalidate all liability on the part of the manufacturer.
11. The appliance electrical connection should be made in accordance with the
related provisions herein.
12. If the device that safeguards against excess pressure is supplied with the
appliance, it must not be tampered with and must be promptly replaced with
appropriate devices if it is not in accordance regulations and legislation.
13. No inflammable items should be left in the vicinity of the appliance.

4
Safety
Safety
Key to symbols
Symbol
Meaning
Failure to comply with this warning implies the risk of personal injury and even
death in some circumstances.
Failure to comply with this warning implies the risk of damage and even serious
damages to property, plants or animals in some circumstances.
It is obliged to keep to the general safety norms and appliance specifications.

5
Safety
Safety
General safety norms
Ref.
Warning
Risk
Symbol
1
The heater must be fitted with
reliable grounding. Do not use the
heater without any reliable
grounding. Do not connect the
grounding wire to the zero line or
water pipe.
Electrocution
2
Do not open or remove the
appliance.
Electrocution from live components;
personal injury from burns due to
overheated components or wounds
caused by sharp edges or
protrusions.
3
DO not use a 13A socket which may
cause your wires to overheat, melt
and fuse together, leading to a short
circuit. It should be wired directly to a
heater switch which is able to
support higher current. The
installation and set-up of the water
heater must be carried out by a
competent person in conformity with
the applicable norms in force and
with any provisions set forth by local
authorities and public health bodies.
Electrocution from a damaged cable
or plug, or socket.

6
Safety
Safety
Ref.
Warning
Risk
Symbol
4
Do not damage the power supply
cable.
Electrocution from live unsheathed
wires.
5
Do not leave anything on top of the
appliance.
Personal injury from an object falling
off the appliance following vibrations
Damage to the appliance or any
objects underneath it due to the
object falling off following vibrations.
6
Do not climb onto the appliance.
Personal injury due to the appliance
falling.
Damage to the appliance or any
objects underneath it due to the
appliance falling off from its place of
installation.
7
Do not attempt to clean the
appliance without first turning it off
and unplugging it or switching the
dedicated switch off.
Electrocution from live components.
8
Install the appliance on a solid wall
that is not subjected to any
vibrations.
Appliance falling due to the wall
giving way, or excessive noise
during operation.
9
Make all electrical connections using
conductors with a suitable section.
Fire due to overheating from
electrical current passing through
undersized cables.

7
Safety
Safety
Ref.
Warning
Risk
Symbol
10
Reset all the safety and control
functions affected by any intervention
performed on the appliance and
make sure they operate correctly
before re-using the appliance.
Damage or shutdown of the
appliance due to out-of-control
operation.
Specific safety norms for this appliance
Ref.
Warning
Risk
Symbol
11
Before handling, empty all
components that may contain hot
water.
Personal injury from burns.
12
Descale the components, in
accordance with the instructions
provided on the “safety data sheet"
of the product used, air the room,
wear protective clothing, avoid
mixing different products, and protect
the appliance and surrounding
objects.
Personal injury due to contact of the
skin or eyes with acidic substances,
inhalation or swallowing of harmful
chemical agents.
Damage to the appliance or
surrounding objects due to corrosion
caused by acidic substances.
13
Do not use any insecticides, solvents
or aggressive detergents to clean the
appliance.
Damage to the plastic and painted
parts.

8
Appliance description
Appliance description
Appliance profile
Cube Series
Cube type C1 (Comfort)：
1 Upper panel 5 Hot water outlet
2 LED 6 Cold water inlet
3 Bottom panel 7 Housing-rear
4 Temperature knob
Model
A
B
C
D
E
15L Cube
C1
390mm
360mm
340mm
100mm
84mm
30L Cube
C1
471mm
439mm
395mm
100mm
100mm

9
Appliance description
Appliance description
Cube type P1 (Premium)：
1 Upper panel 5 Hot water outlet
2 LED 6 Cold water inlet
3 Bottom panel 7 Housing-rear
4 Temperature knob
Model
A
B
C
D
E
15L Cube P1
390mm
360mm
340mm
100mm
84mm
30L Cube P1
471mm
439mm
395mm
100mm
100mm