Viessmann Vitocell 100-L Betriebsanleitung

Service instructions

for contractors

VIESMANN

Vitocell 100-L

Type CVL, CVLA

Cylinder for DHW heating systems with cylinder loading system

500 to 950 l capacity

VITOCELL 100-L

5677344 GB 9/2019 Please keep safe.

Please follow these safety instruc-

tions 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 environmen-

tal pollution.

Note

Details identified by the word "Note"

contain additional information.

Target group

These instructions are exclusively inten-

ded for qualified contractors.

■Work on electrical equipment may only

be carried out by a qualified electrician.

■The system must be commissioned by

the system installer or a qualified per-

son authorised by the installer.

Regulations to be observed

■National installation regulations

■Statutory regulations for the prevention

of accidents

■Statutory regulations for environmental

protection

■Codes of practice of the relevant trade

associations

■Relevant country-specific safety regu-

lations

Working on the system

■Isolate the system from the power sup-

ply (e.g. by removing the separate fuse

or by means of a mains isolator) and

check that it is no longer live.

■Safeguard the system against recon-

nection.

!Please note

Electronic assemblies can be dam-

aged by electrostatic discharge.

Prior to commencing any work,

touch earthed objects such as heat-

ing or water pipes to discharge

static loads.

Danger

Hot surfaces can cause burns.

■Before maintenance and service

work, switch OFF the appliance

and let it cool down.

■Never touch the hot surfaces of

uninsulated pipes and fittings.

Safety instructions

5677344

Danger

Floors that are wet or damp with

water or glycol based liquids can

cause injury due to slipping and fall-

ing.

■Keep the floor clean and dry dur-

ing installation and maintenance

work.

■Wear non-slip shoes.

Danger

Broken-off fragments of insulation

material can cause death by suffo-

cation if inhaled or swallowed.

■Do not let children play in the

installation room.

■Keep the installation room clean

after installation and maintenance

work.

Repair work

!Please note

Repairing components that fulfil a

safety function can compromise the

safe operation of the system.

Replace faulty components only

with genuine Viessmann spare

parts.

Auxiliary components, spare and wearing parts

!Please note

Spare and wearing parts that have

not been tested together with the

system can compromise its func-

tion. Installing non-authorised com-

ponents and making non-approved

modifications or conversions can

compromise safety and may invalid-

ate our warranty.

For replacements, use only original

spare parts supplied or approved by

Viessmann.

Safety instructions

Safety instructions (cont.)

5677344

1. Information Symbols ................................................................................................. 5

Intended use .......................................................................................... 5

Product information ................................................................................ 6

Inspection and maintenance .................................................................. 6

System examples .................................................................................. 6

Spare parts lists ..................................................................................... 6

2. Commissioning, inspec-

tion, maintenance

Steps - commissioning, inspection and maintenance ............................ 7

3. Commissioning/service

reports

................................................................................................................ 14

4. Specification ................................................................................................................ 15

5. Appendix Final decommissioning and disposal ..................................................... 16

6. Certificates Declaration of conformity ....................................................................... 17

Index

5677344

Symbol Meaning

Reference to other document containing

further information

Step in a diagram:

The numbers correspond to the order in

which the steps are carried out.

Warning of material losses and environ-

mental pollution

Live electrical area

Pay particular attention.

■Component must audibly click into place.

■Acoustic signal

■Fit new component.

■In conjunction with a tool: Clean the sur-

face.

Dispose of component correctly.

Dispose of component at a suitable collec-

tion point. Do not dispose of component in

domestic waste.

The steps in connection with commissioning, inspec-

tion and maintenance are found in the "Commission-

ing, inspection and maintenance" section and identified

as follows:

Symbol Meaning

Steps required during commissioning

Not required during commissioning

Steps required during inspection

Not required during inspection

Steps required during maintenance

Not required during maintenance

Intended use

The appliance is only intended to be installed and

operated in sealed unvented systems that comply with

EN 12828 / DIN 1988, or solar thermal systems that

comply with EN 12977, with due attention paid to the

associated installation, service and operating instruc-

tions. DHW cylinders are only designed to store and

heat water of potable water quality. Heating water buf-

fer cylinders are only designed to hold fill water of pot-

able water quality. Only operate solar collectors with

the heat transfer medium approved by the manufac-

turer.

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 for the individual case.

Incorrect usage or operation of the appliance (e.g. the

appliance being opened by the system user) is prohibi-

ted and results in an exclusion of liability.

Incorrect usage also occurs if the components in the

system are modified from their intended use (e.g.

through direct DHW heating in the collector).

Adhere to statutory regulations, especially concerning

the hygiene of potable water.

Information

Symbols

5677344

Information

Enamelled cylinder for DHW heating in combination

with a Vitotrans 222 heat exchanger set (or other cylin-

der loading systems) or a heating lance for DHW heat-

ing in combination with a heat pump.

Additionally, the use of an immersion heater is possi-

ble.

Capacity: 500, 750 and 950 l

Suitable for systems to DIN 1988, EN 12828 and

DIN 4753

Inspection and maintenance

DIN 1988 requires a visual inspection and (if neces-

sary) cleaning no later than 2 years after the cylinder

has been commissioned, and thereafter according to

requirements.

Note

We additionally recommend checking the function of

the protective magnesium anode annually. This func-

tion check can be made without interrupting operation

by measuring the earth current with an anode tester

(see page 8).

System examples

Available system examples: See www.viessmann-

schemes.com.

Spare parts lists

Information about spare parts can be found on the

Viessmann spare parts app.

Information

Product information

5677344

Information

Commissioning steps

Inspection steps

Maintenance steps Page

•1. Filling the cylinder................................................................................................................ 8

• • 2. Shutting down the system

••• 3. Checking the safety valve function

• • 4. Checking the anode earth current with an anode tester.................................................. 8

• • 5. Cleaning the inside of the cylinder..................................................................................... 10

• • 6. Checking and replacing the protective magnesium anode (if required)......................... 11

• • 7. Returning the cylinder to use.............................................................................................. 12

• • 8. Checking connections on the water side for tightness

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance

5677344

1. Fill the cylinder from the DHW side.

Note

If the cylinder is pressurised, retighten the flange

cover with a torque of 25 Nm.

2. Check the fittings on the DHW side for tightness

and retighten if required.

3. Check the function of the safety valves according

to the manufacturer's instructions.

Shutting down the system

Checking the safety valve function

Checking the anode earth current with an anode tester

500 l

Fig. 1

1. Remove cover A, thermal insulation mat B and

thermometer sensor (if installed).

2. Pull earth cable C off tab D.

3. Connect tester in series across earth cable C and

tab D.

■Current > 0.3 mA: Protective magnesium anode

is OK

■Current < 0.3 mA or no current at all: Inspect the

protective magnesium anode visually (see

page 11).

Commissioning, inspection, maintenance

Filling the cylinder

5677344

750 and 950 l

Fig. 2

1. Remove cover A and cap B with thermal insula-

tion C.

2. Remove cover strips D, open clip fasteners E

and pull apart.

3. Pull earth cable F from tab G.

4. Connect tester in series across earth cable F and

tab G.

■Current > 0.3 mA: Protective magnesium anode

is OK

■Current < 0.3 mA or no current at all: Inspect the

protective magnesium anode visually (see

page 11).

Commissioning, inspection, maintenance

Checking the anode earth current with an anode… (cont.)

5677344

500 l

Fig. 3

1. Drain the cylinder from the DHW side.

2. Remove cap A and flange cover B.

3. To prevent cleaning agents and contaminants

entering the pipework, separate the cylinder from

the pipework.

4. Remove loose deposits with a high pressure

cleaner.

!Please note

Pointed or sharp cleaning tools will damage

the cylinder interior.

Only use plastic tools to clean the inside.

5. Use a chemical cleaning agent to remove hard

deposits that cannot be removed with a high pres-

sure cleaner.

!Please note

To prevent material losses, never use clean-

ing agents containing hydrochloric acid.

Danger

Cleaning agent residues can result in poi-

soning.

Always observe the information provided by

the cleaning agent manufacturer.

6. Fully drain all cleaning agent.

7. Thoroughly flush the cylinder after cleaning.

Commissioning, inspection, maintenance

Cleaning the inside of the cylinder

5677344

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