Viessmann VITOCELL 300B Betriebsanleitung

Service instructions

for contractors

VIESMANN

Vitocell 300-B

Type EVB

DHW cylinder, 300 and 500 l

Vitocell 300-V

Type EVI

DHW cylinder, 200 to 500 l

For applicability, see the last page

VITOCELL 300-B

VITOCELL 300-V

5677 372 GB 3/2015 Please keep safe.

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 instructions are exclusively intended for author-

ised contractors.

■Work on electrical equipment must only be carried

out by a qualified electrician.

■The system must be commissioned by the system

installer or a qualified person authorised by the

installer.

Regulations to be observed

■National installation regulations

■Statutory regulations for the prevention of accidents

■Statutory regulations for the protection of the envi-

ronment

■Codes of Practice of the relevant trade associations

■All relevant safety regulations as defined by DIN, EN,

DVGW, VDE and locally applicable standards

aÖNORM, EN and ÖVE

cSEV, SUVA, SVTI, SWKI and SVGW

Working on the system

■Isolate the system from the power supply (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 reconnection.

!Please note

Electronic assemblies can be damaged by elec-

trostatic discharge.

Prior to commencing work, touch earthed

objects such as heating or water pipes to dis-

charge static loads.

Repair work

!Please note

Repairing components that fulfil a safety func-

tion can compromise the safe operation of your

system.

Replace faulty components with genuine

Viessmann spare parts.

Auxiliary components, spare and wearing parts

!Please note

Spare and wearing parts that have not been tes-

ted together with the system can compromise its

function. Installing non-authorised components

and making non-approved modifications or con-

versions can compromise safety and may inva-

lidate our warranty.

For replacements, use only original spare parts

supplied or approved by Viessmann.

Safety instructions

5677 372 GB

1. Information Symbols ................................................................................................. 4

Intended use .......................................................................................... 4

Product information ................................................................................ 5

2. Commissioning, inspec-

tion, maintenance

Steps - commissioning, inspection and maintenance ............................ 6

3. Parts lists Vitocell 300-V,

200 l and 300 l

Overview of assemblies ......................................................................... 11

DHW cylinder assembly ......................................................................... 12

Flanged immersion heater assembly ..................................................... 14

4. Parts lists Vitocell 300-V,

500 l

Overview of assemblies ......................................................................... 17

Cylinder body assembly ......................................................................... 18

Thermal insulation assembly ................................................................. 20

Flanged immersion heater assembly ..................................................... 22

5. Parts lists Vitocell 300-B,

300 l

Overview of assemblies ......................................................................... 25

DHW cylinder assembly ......................................................................... 26

Flanged immersion heater assembly ..................................................... 28

6. Parts lists Vitocell 300-B,

500 l

Overview of assemblies ......................................................................... 31

Cylinder body assembly ......................................................................... 32

Thermal insulation assembly ................................................................. 34

Flanged immersion heater assembly ..................................................... 36

7. Commissioning/service

reports

.................................................................................................................. 38

8. Specification .................................................................................................................. 39

9. Appendix Final decommissioning and disposal ..................................................... 41

10. Certificates Declaration of conformity ....................................................................... 42

Index

5677 372 GB

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 work sequences for commissioning, inspection

and maintenance are summarised in the chapter

"Commissioning, inspection and maintenance "and are

marked as follows:

Symbol Meaning

Work sequences required during commis-

sioning

Not required during commissioning

Work sequences required during inspec-

tion

Not required during inspection

Work sequences required during mainte-

nance

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

5677 372 GB

Information

Vitocell 300-B, type EVB

Stainless steel DHW cylinder with internal indirect coil

for DHW heating in conjunction with solar thermal sys-

tems, floorstanding and wall mounted boilers and/or

heat pumps for dual mode operation.

Capacity: 300 and 500 l

Vitocell 300-V, type EVI

Stainless steel DHW cylinder with internal indirect coil

for DHW heating in conjunction with floorstanding and

wall mounted boilers.

Capacity: 200, 300 and 500 l

Vitocell 300-B and Vitocell 300-V

■An immersion heater can be used

■Suitable for systems to DIN 1988, EN 12 828 and

DIN 4753

Information

Product information

5677 372 GB

Information

Commissioning steps

Inspection steps

Maintenance steps Page

•1. Filling the DHW cylinder...................................................................................................... 7

• • 2. Inspection and maintenance............................................................................................... 7

• • 3. Shutting down the system

• • 4. Checking the sensor wells for leaks

• • 5. Checking the function of the safety valves

• • 6. Cleaning the inside of the DHW cylinder........................................................................... 8

• • 7. Returning the DHW cylinder to use.................................................................................... 9

• • 8. Checking connections and sensor wells for tightness on the water side

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance

5677 372 GB

1. Fill the DHW cylinder from the DHW side.

Note

Once the DHW cylinder is pressurised, retighten

the flange cover with a torque of 40 Nm.

The cylinder cap does not need to be retightened.

2. Check the fittings on the heating water and DHW

sides for leaks and retighten if required.

3. Check sensor wells for leaks and retighten if

required.

4. Check the function of the safety valves according to

the manufacturer's instructions.

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.

Shutting down the system

Checking the sensor wells for leaks

Checking the function of the safety valves

Commissioning, inspection, maintenance

Filling the DHW cylinder

5677 372 GB

Fig.1

1. Drain the DHW cylinder from the DHW side.

2. Remove top panel A, hood B, thermal insulation

mats C and thermometer sensor D.

3. Remove flange cover E and cylinder cap F with

stainless steel circular blank G and gaskets H.

4. To prevent cleaning agents and contaminants

entering the pipework, separate the DHW cylinder

from the pipework.

5. 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.

6. Use a chemical cleaning agent to remove hard

deposits that cannot be removed with a high pres-

sure cleaner.

!Please note

Cleaning agents containing hydrochloric acid

attack the DHW cylinder material.

Never use such cleaning agents.

Danger

Cleaning agent residues can result in poi-

soning.

Always observe the information provided by

the cleaning agent manufacturer.

7. Fully drain all cleaning agent.

8. Flush the DHW cylinder thoroughly after cleaning.

Commissioning, inspection, maintenance

Cleaning the inside of the DHW cylinder

5677 372 GB

Fig.2

1. Reconnect the DHW cylinder to the pipework.

2. Insert new gaskets H underneath flange cover E

and cylinder cap F.

3. Refit flange cover E and cylinder cap F with

stainless steel circular blank G and tighten with the

required torque.

■Cylinder cap: 160 Nm

■Flange cover: 40 Nm

4. Fill the DHW cylinder from the DHW side.

5. When the DHW cylinder is pressurised, retighten

the screws on flange cover E with a torque of

40 Nm.

6. Fit thermometer sensor D, thermal insulation mats

C, hood B and top panel A.

Checking connections and sensor wells for tightness on the water side

Commissioning, inspection, maintenance

Returning the DHW cylinder to use

5677 372 GB

Commissioning, inspection, maintenance

Checking connections and sensor wells for tightness on the water side

5677 372 GB

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