Viessmann VITOCELL 300B Betriebsanleitung

Service instructions

for contractors

VIESMANN

Vitocell 300-B

Type EVB

DHW cylinders, 300 and 500 litres

Vitocell 300-V

Type EVI

DHW cylinders, 200 to 500 litres

VITOCELL 300-B

VITOCELL 300-V

5692 709 GB 7/2009 Please keep safe.

Please follow these safety instructions closely to prevent accidents and mate-

rial 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 envi-

ronmental pollution.

Note

Details identified by the word "Note" con-

tain additional information.

Target group

These instructions are exclusively

designed for qualified personnel.

■ Work on gas equipment must only be

carried out by a qualified gas fitter.

■ Work on electrical equipment must

only be carried out by a qualified elec-

trician.

■ The system must be commissioned by

the system installer or a qualified per-

son authorised by the installer.

Regulations

Observe the following when working on

this system

■ all legal instructions regarding the pre-

vention of accidents,

■ all legal instructions regarding envi-

ronmental protection,

■ the Code of Practice of relevant trade

associations,

■ all current safety regulations as

defined by DIN, EN, DVGW, TRGI,

TRF, VDE and all locally applicable

standards,

■ Gas Safety (Installation & Use) Regu-

lations

– the appropriate Building Regulation

either the Building regulations, the

Building Regulation (Scotland),

Building Regulations (Northern Ire-

land),

– the Water Fittings Regulation or

Water Bylaws in Scotland,

– the current I.E.E. Wiring Regula-

tions.

If you smell gas

Danger

Escaping gas can lead to explo-

sions 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.

■ Remove all people from the

danger zone.

■ Notify your gas or electricity

supplier from outside the build-

ing.

■ Shut off the electricity supply to

the building from a safe place

(outside the building).

Safety instructions

5692 709 GB

If you smell flue gas

Danger

Flue gas can lead to life-threat-

ening poisoning.

■ Shut down the heating system.

■ Ventilate the boiler room.

■ Close all doors leading to the

living space.

Working on the system

■ When using gas as fuel, also close the

main gas shut-off valve and safeguard

against unauthorised reopening.

■ Isolate the system from the power sup-

ply and check that it is no longer 'live',

e.g. by removing a separate fuse or by

means of a main isolator.

■ Safeguard the system against unau-

thorised reconnection.

!Please note

Electronic modules can be dam-

aged by electro-static dis-

charges.

Touch earthed objects, such as

heating or water pipes, to dis-

charge static loads.

Repair work

!Please note

Repairing components which ful-

fil a safety function can compro-

mise the safe operation of your

heating system.

Replace faulty components only

with original Viessmann spare

parts.

Ancillary components, spare and

wearing parts

!Please note

Spare and wearing parts which

have not been tested together

with the heating system can com-

promise its function. Installing

non-authorised components and

non-approved modifications/con-

version can compromise safety

and may invalidate our warranty.

For replacements, use only orig-

inal spare parts from Viessmann

or those which are approved by

Viessmann.

Safety instructions

Safety instructions (cont.)

5692 709 GB

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance.......................................... 5

Further details regarding the individual steps....................................................... 6

Parts lists

Parts list Vitocell 300-B (300 litres)...................................................................... 10

Parts list Vitocell 300-B (500 litres)...................................................................... 12

Parts list Vitocell 300-V (200 and 300 litres)........................................................ 14

Parts list Vitocell 300-V (500 litres)...................................................................... 16

Commissioning/service reports........................................................................ 18

Product parameters........................................................................................... 19

Accessories

Accessory specification........................................................................................ 20

Certificates

Declaration of conformity...................................................................................... 22

Index

5692 709 GB

For further information regarding the individual steps, see the page indicated

Commissioning steps

Inspection steps

Maintenance steps Page

•1. Filling the DHW cylinder.................................................. 6

• • 2. Inspection and maintenance........................................... 6

• • 3. Shutting down the system

• • 4. Checking the sensor wells for leaks

• • 5. Checking the function of safety valves

• • 6. Cleaning the inside of the DHW cylinder........................ 7

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

• • 8. Checking connections and sensor wells for leaks on

the heating water side

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance

5692 709 GB

Filling the DHW cylinder

1. Fill the DHW cylinder from the DHW

side.

Note

If the DHW cylinder is pressurised,

re-torque the flange cover with a tor-

que of 40 Nm.

The cylinder cap does not need to be

tightened.

2. Check the fittings on the heating

water and DHW side for leaks and

tighten if required.

3. Check sensor wells for leaks and

retighten, if required.

4. Check the function of the safety

valves according to manufacturer's

instructions.

Inspection and maintenance

DIN 1988 requires a visual inspection

and (if required) cleaning no later than

two years after the cylinder has been

taken into use and thereafter according

to requirements.

Commissioning, inspection, maintenance

Further details regarding the individual steps

5692 709 GB

Cleaning the inside of the DHW cylinder

1. Drain the DHW cylinder from the

DHW side.

2. Remove top panel A or hood B,

thermal insulation mats C and ther-

mometer sensor D.

3. Remove flange lid E or cylinder cap

F with stainless steel circular blank

G and gaskets H.

4. Disconnect the DHW cylinder from

the pipework to prevent cleaning

agents and contaminants entering

the pipework.

5. Remove loose deposits with a high

pressure cleaner.

!Please note

Pointed or sharp cleaning

objects will damage the inter-

nal cylinder wall.

Only use plastic tools to clean

the inside.

Commissioning, inspection, maintenance

Further details regarding the individual steps (cont.)

5692 709 GB

6. Use a chemical cleaning agent to

remove hard deposits that cannot be

removed by a high pressure

cleaner.

!Please note

Cleaning agents containing

hydrochloric acid attack the

material of the DHW cylinder.

Never use such cleaning

agents.

Danger

Cleaning agent residues can

cause poisoning.

Always observe the details

provided by the manufacturer

of the cleaning agent.

7. Fully drain any cleaning agent.

8. Thoroughly flush the DHW cylinder

after cleaning.

Commissioning, inspection, maintenance

Further details regarding the individual steps (cont.)

5692 709 GB

Returning the DHW cylinder into use

1. Reconnect the DHW cylinder to the

pipework.

2. Insert new gaskets H underneath

flange lid E or cylinder cap F.

3. Refit flange lid E or cylinder cap

F with stainless steel circular blank

G and tighten with the required tor-

que.

■ Cylinder cap: 160 Nm

■ Flange lid: 40 Nm

4. Fill the DHW cylinder from the DHW

side.

5. If the DHW cylinder is pressurised,

re-tighten the screws on flange lid

E with a torque of 40 Nm.

6. Fit thermometer sensor D, thermal

insulation mats C and hood B or

top panel A.

Commissioning, inspection, maintenance

Further details regarding the individual steps (cont.)

5692 709 GB

When ordering spare parts:

Quote the type and serial no. (see type

plate) and the pos. no. of the required

part (as per this parts list).

Obtain standard parts from your local

supplier.

001 Top cover

002 Upper thermal insulation mat

003 Cover

004 Cover with thermal insulation

005 Sensor retaining clip

006 Cylinder cap (with pos. 007 and

008)

007 Stainless steel circular blank (with

pos. 008)

008 Gasket

009 Sensor retainer

010 Sensor well (with pos. 009)

011 Sensor well thermal insulation

012 Reducer

013 Adjustable foot

014 Gasket

015 Dummy flange (with pos. 014)

016 Thermometer

018 Vitocell 300 logo

019 Cable trunking

Parts not shown

020 Installation instructions

022 Service instructions

023 Touch-up spray, Vitosilver

024 Touch-up paint stick, Vitosilver

AType plate

Parts lists

Parts list Vitocell 300-B (300 litres)

5692 709 GB

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