Viessmann VITOCELL 300B Manuel utilisateur

Installation instructions

for contractors

VIESMANN

Vitocell 300-B

Type EVB

Dual mode DHW cylinder, 300 to 500 l

VITOCELL 300-B

5607 084 GB 9/2013 Dispose after installation.

Please follow these safety instructions closely to

prevent accidents and material losses.

Safety instructions explained

!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 quali-

fied contractors.

■Work on electrical equipment must only be carried

out by qualified electricians.

Regulations

Observe the following when working on this system:

■National installation regulations

■Statutory regulations regarding the prevention of

accidents

■Statutory regulations regarding environmental pro-

tection

■The Code of Practice of relevant trade associations

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

DVGW, VDE and all 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.

Safety instructions

5607 084 GB

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

2. Installation information Product information ................................................................................ 5

■Connections ........................................................................................ 5

■Siting information ................................................................................ 5

3. Installation sequence DHW cylinder 300 l ................................................................................ 7

■Installing the DHW cylinder ................................................................ 7

■Fitting the flange cover and cover ...................................................... 8

DHW cylinder 500 l ................................................................................ 9

■Installing the DHW cylinder and fitting the thermal insulation mat at

the bottom ........................................................................................... 9

■Fitting the thermal insulation jacket .................................................... 9

■Fitting thermometer with thermometer sensor and cover strips ......... 11

■Fitting the cover .................................................................................. 12

Installing the thermometer and the cylinder temperature sensor .......... 12

Fitting the cylinder temperature sensor for solar operation ................... 13

■300 l capacity ...................................................................................... 14

■500 l capacity ...................................................................................... 14

Connections on the heating water side .................................................. 14

■Heating DHW by solar collectors ........................................................ 15

■Heating DHW by a heat pump ............................................................ 16

Connections on the DHW side ............................................................... 16

■Safety valve ........................................................................................ 17

Connecting the equipotential bonding ................................................... 17

Commissioning ...................................................................................... 17

Index

5607 084 GB

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.

Intended use

5607 084 GB

Stainless steel DHW cylinder with internal indirect coils

for DHW heating in conjunction with solar thermal sys-

tems, floorstanding and wall mounted boilers and/or

heat pumps for dual mode operation

■An immersion heater can be used

■Capacity: 300 and 500 l

■Suitable for systems conforming to DIN 1988,

EN 12828 and DIN 4753

Connections

Fig. 1

ADHW

BCylinder temperature sensor or temperature con-

troller (upper indirect coil)

CHeating water flow*1 (upper indirect coil)

DDHW circulation

EHeating water return*1 (upper indirect coil)

FCylinder temperature sensor or temperature con-

troller and thermometer sensor (lower indirect

coil)*2

GHeating water flow*3 (lower indirect coil)

HHeating water return and cylinder temperature

sensor for solar operation*2*3

KCold water

Maximum connectable heat pump input (upper and

lower indirect coils linked in series):

For 300 l: 12 kW

For 500 l: 15 kW

Siting information

!Please note

The thermal insulation must not come into con-

tact with naked flames.

Exercise caution when welding and soldering.

!Please note

To prevent material losses, install the cylinder in

a room free from the risk of frost and draughts.

Otherwise the cylinder will have to be drained

when it is not in use and there is a risk of frost.

■Provide adequate clearance from the wall so that the

temperature controller can be operated (if installed).

■Level the DHW cylinder with the adjustable feet.

Note

Never extend the adjustable feet beyond a total

length of 35 mm.

*1 The upper indirect coil is designed for connection to a boiler.

*2 Recommended positioning of the cylinder temperature sensor for solar operation:

With threaded elbow (accessories) in the heating water return.

*3 The lower indirect coil is designed for connection to solar collectors.

Product information

5607 084 GB

Siting the cylinder with an immersion heater

Fig. 2

Installation instructions, immersion heater

Maintain the minimum clearance.

Cylinder capacity Dim. a

300 l 730 mm

500 l 670 mm

Note

The unheated length of any threaded immersion

heater installed on site must be at least 100 mm.

Product information (cont.)

5607 084 GB

Installing the DHW cylinder

Fig. 3

1. Remove the cover and the flange insulation.

2. Affix the cable trunking.

3. Route the sensor lead of the lower thermometer

through the opening and the cable trunking.

4. Affix the type plate.

DHW cylinder 300 l

5607 084 GB

Fitting the flange cover and cover

Fig. 4

DHW cylinder 300 l (cont.)

5607 084 GB

Installing the DHW cylinder and fitting the thermal insulation mat at the bottom

Fig. 5

AType plate pack

Fitting the thermal insulation jacket

Note

■2 people are required for the following work.

■Ensure that no fleece remnants enter the cylinder

through the cylinder connections.

DHW cylinder 500 l

5607 084 GB

1. 6x

4. 6x

6x 3.

Fig. 6

1. At the back of the cylinder: Attach 6 clip fastenings

to the edges of the r.h. and l.h. sections of the insu-

lation jacket and lay the thermal insulation jacket

around the cylinder body.

Note

Leave the clip fastenings in the first notch.

2. At the front of the cylinder: Attach 6 clip fastenings

to the edges of the r.h. and l.h. sections of the insu-

lation jacket.

3. Push the clip fastenings at the back of the cylinder

as close together as they will go.

4. Push the clip fastenings at the front of the cylinder

as close together as they will go.

DHW cylinder 500 l (cont.)

5607 084 GB

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