Viessmann Vitocell 100-H Betriebsanleitung

Service instructions

for contractors

VIESMANN

Vitocell 100-H

Type CHA

DHW cylinder

130 to 200 l

VITOCELL 100-H

5677319 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

5677319

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.)

5677319

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

................................................................................................................ 11

4. Specification ................................................................................................................ 12

5. Appendix Final decommissioning and disposal ..................................................... 13

6. Declaration of Conformity ................................................................................................................ 14

Index

5677319

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

5677319

Information

Enamelled DHW cylinder with internal indirect coil for

DHW heating in conjunction with boilers

■Capacity: 130, 160 and 200 l

■Suitable for systems conforming 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

5677319

Information

Commissioning steps

Inspection steps

Maintenance steps Page

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

• • 6. Checking and replacing the protective magnesium anode.............................................. 9

• • 7. Returning the DHW cylinder to use.................................................................................... 10

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

•9. Instructing the system user................................................................................................ 10

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance

5677319

1. Fill the DHW cylinder on the DHW side.

Note

If the DHW cylinder is pressurised, tighten the

flange cover with a torque of 25 Nm.

2. Check the fittings on the heating water and DHW

sides for leaks and tighten 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

Fig. 1

1. Remove front panel A and flange insulation B.

2. Remove thermometer sensor C (if available).

3. Remove earth cable D from tab E.

4. Connect tester in series between earth cable D

and tab E.

■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 9).

Cleaning the inside of the DHW cylinder

Danger

Unchecked leakage of DHW or heating water

can result in scalding and structural damage.

Only open the DHW and heating water connec-

tions after the DHW cylinder has been depres-

surised.

Commissioning, inspection, maintenance

Filling the DHW cylinder

5677319

CB A

Fig. 2

1. Drain the DHW cylinder on the DHW side.

2. Remove flange cover A, earth cable B and gas-

ket C.

3. Disconnect the DHW cylinder from the pipework to

prevent cleaning agents and contaminants from

entering the pipework.

4. Remove loose deposits with a pressure cleaner.

!Please note

Pointed or sharp cleaning tools will damage

the cylinder interior.

Only use plastic cleaning equipment to clean

the inside.

5. Use a chemical cleaning agent to remove hard

deposits that cannot be removed with a pressure

cleaner.

!Please note

Cleaning agents containing hydrochloric acid

will attack the DHW cylinder material.

Never use such cleaning agents.

Danger

Cleaning agent residues can cause poison-

ing.

Always observe the information provided by

the cleaning agent manufacturer.

6. Fully drain all cleaning agent.

7. Flush the DHW cylinder thoroughly after cleaning.

Checking and replacing the protective magnesium anode

Check the protective magnesium anode. We recommend replacing the protective magnesium

anode if it has eroded to a diameter of ≤ 10 to 15 mm.

Commissioning, inspection, maintenance

Cleaning the inside of the DHW cylinder (cont.)

5677319

BC AF

Fig. 3

1. Reconnect the DHW cylinder to the pipework.

2. Insert new gaskets A underneath flange

cover B.

3. Fit flange cover B with earth cable C and tighten

the screws with a maximum torque of 25 Nm.

4. Push earth cable C onto tab D.

5. Fill the DHW cylinder from the DHW side, then

tighten the flange cover with a torque of 25 Nm.

6. Fit thermometer sensor E (if available).

7. Fit flange insulation F and front panel G.

Note

Route the thermometer lead through the groove in

the flange insulation.

Checking the connections on the water side for tightness

Instructing the system user

The installer should instruct the user in the operation of

the system.

Commissioning, inspection, maintenance

Returning the DHW cylinder to use

5677319

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