Viessmann Vitodens 222-F B2TA series Guía rápida

Installation and service

instructions

for contractors

VIESMANN

Vitodens 222-F

Type B2TA, 3.2 to 35 kW

Gas condensing storage combi boiler

g: Gas council no.

41-819-15; 41-819-16; 41-819-17

Natural gas and LPG version

For applicability, see the last page

VITODENS 222-F

5773 216 GB 12/2012 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 inten-

ded for qualified contractors.

■ Work on gas installations must only be

carried out by a registered 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:

■ Statutory regulations regarding the

prevention of accidents

■ Statutory regulations regarding envi-

ronmental protection

■ Codes of practice of the relevant trade

associations

■ All current safety regulations as

defined by DIN, EN, DVGW, TRGI,

TRF, VDE and all locally applicable

standards

aÖNORM, EN, ÖVGW-TR Gas,

ÖVGW-TRF and ÖVE

cSEV, SUVA, SVGW, SVTI,

SWKI, VKF and EKAS guideline

1942: LPG, part 2

If you smell gas

Danger

Escaping gas can lead to explo-

sions which may result in serious

injury.

■ Do not smoke. Prevent naked

flames and sparks. Do not

switch lights or electrical appli-

ances on or off.

■ Close the gas shut-off valve.

■ Open windows and doors.

■ Evacuate any people from the

danger zone.

■ Notify your gas or electricity

supply utility from outside the

building.

■ Shut off the electricity supply to

the building from a safe place

(outside the building).

Safety instructions

5773 216 GB

If you smell flue gas

Danger

Flue gas can lead to life-threat-

ening poisoning.

■ Shut down the heating system.

■ Ventilate the installation site.

■ Close all doors in the living

space.

Flue systems and combustion air

Ensure that flue systems are clear and

cannot be sealed, for instance due to

accumulation of condensate or other

causes. Ensure a sufficient supply of

combustion air.

Instruct system users that subsequent

modifications to the building characteris-

tics are not permissible (e.g. cable/pipe-

work routing, cladding or partitions).

Danger

Life-threatening poisoning

caused by carbon monoxide in

the flue gas occurs as a result of

leaking or blocked flue systems

or an insufficient supply of com-

bustion air.

Ensure the flue system is in

proper working order. It must not

be possible to close apertures for

interconnected combustion air

supply.

Extractors

Operating appliances that extract air to

the outside (cooker hoods, extractors, air

conditioning units, etc.) can create neg-

ative pressure. If the boiler is operated at

the same time, this can lead to reverse

flow of the flue gas.

Danger

The simultaneous operation of

the boiler and appliances that

extract air to the outside can

result in life threatening poison-

ing due to reverse flow of the flue

gas.

Fit an interlock circuit or take suit-

able steps to ensure a sufficient

supply of combustion air.

Working on the system

■ Where gas is used as the fuel, close

the main gas shut-off valve and safe-

guard it against unintentional reopen-

ing.

■ 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

damaged by electrostatic dis-

charge.

Prior to commencing any 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 function can compromise

the safe operation of your sys-

tem.

Defective components must be

replaced with genuine

Viessmann spare parts.

Safety instructions

Safety instructions (cont.)

5773 216 GB

Auxiliary components, spare and

wearing parts

!Please note

Spare and wearing parts that

have not been tested together

with the system can compromise

its function. Installing non-author-

ised components and making

non-approved modifications or

conversions can compromise

safety and may invalidate our

warranty.

For replacements, use only orig-

inal spare parts supplied or

approved by Viessmann.

Safety instructions

Safety instructions (cont.)

5773 216 GB

Installation instructions

Preparing for installation

Intended use......................................................................................................... 7

Product information.............................................................................................. 7

Preparing for boiler installation............................................................................. 8

Installing the boiler

Removing the front panels................................................................................... 12

Siting and levelling the boiler................................................................................ 13

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

Condensate connection........................................................................................ 15

Flue gas connection............................................................................................. 16

Gas connection.................................................................................................... 17

Opening the control unit casing............................................................................ 19

Electrical connections........................................................................................... 20

Closing the control unit casing............................................................................. 29

Fitting the front panels.......................................................................................... 31

Service instructions

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance.......................................... 32

Further details regarding the individual steps....................................................... 35

Code 1

Calling up coding level 1...................................................................................... 77

"General"/group 1................................................................................................. 78

"Boiler"/group 2.................................................................................................... 80

"DHW"/group 3..................................................................................................... 81

"Heating circuit ..."/group 5................................................................................... 81

Code 2

Calling up coding level 2...................................................................................... 89

"General"/group 1................................................................................................. 90

"Boiler"/group 2.................................................................................................... 97

"DHW"/group 3..................................................................................................... 99

"Heating circuit ..."/group 5................................................................................... 101

Diagnosis and service scans

Service menu....................................................................................................... 111

Diagnosis.............................................................................................................. 112

Checking outputs (actuator test).......................................................................... 118

Index

5773 216 GB

Troubleshooting

Fault display......................................................................................................... 120

Fault codes........................................................................................................... 122

Repair................................................................................................................... 137

Function description

Constant temperature control unit........................................................................ 149

Weather-compensated control unit...................................................................... 150

Internal extensions............................................................................................... 152

External extensions (accessories)........................................................................ 154

Control functions.................................................................................................. 158

Allocating heating circuits to the remote control................................................... 166

Electronic combustion control unit........................................................................ 166

Designs

Internal connection diagram................................................................................. 168

External connection diagram................................................................................ 169

Parts lists

Ordering individual parts...................................................................................... 171

Overview of the assemblies................................................................................. 172

Casing.................................................................................................................. 173

Hydraulics............................................................................................................. 175

Primary store........................................................................................................ 178

Heat cell............................................................................................................... 180

Control unit........................................................................................................... 183

Miscellaneous....................................................................................................... 185

Commissioning/service reports........................................................................ 187

Specification....................................................................................................... 188

Certificates

Declaration of conformity...................................................................................... 190

Manufacturer's certificate according to the 1st BImSchV [Germany]................... 191

Keyword index.................................................................................................... 192

Index

Index (cont.)

5773 216 GB

The appliance is only intended to be

installed and operated in sealed unven-

ted heating systems that comply with

EN 12828, with due attention paid to the

associated installation, service and

operating instructions. It is only designed

for the heating of water that is of potable

water quality.

Intended usage presupposes that a fixed

installation in conjunction with permissi-

ble, system-specific components has

been carried out.

Commercial or industrial usage for a pur-

pose other than heating the building or

DHW does not comply with regulations.

Any usage beyond this must be

approved by the manufacturer for the

individual case.

Incorrect usage or operation of the appli-

ance (e.g. the appliance being opened

by the system user) is prohibited and

results in an exclusion of liability. Incor-

rect usage also occurs if the components

in the heating system are modified from

their intended function (e.g. if the flue

gas and ventilation air paths are

sealed).

Product information

Vitodens 222-F, type B2TA

Preset for operation with natural gas E

and natural gas LL.

For conversion to LPG P (without con-

version kit), see page 44.

In principle the Vitodens 222-F may only

be delivered to countries listed on the

type plate. For deliveries to alternative

countries, an approved contractor must

arrange individual approval on his own

initiative and in accordance with the law

of the country in question.

Preparing for installation

Intended use

5773 216 GB

Installation

Use a connection set or connection kit,

available as an accessory, to make the

connection on the gas and water sides.

Fitting accessories

Fit all accessories that are installed from

the back of the boiler (e.g. connection

sets).

Preparing the connections on

site:

Connection set installation

instructions.

Assembly kit installation instruc-

tions.

!Please note

Avoid device damage.

Connect all pipework free of load

and torque stress.

The following diagram shows sample

connection sets for installation on fin-

ished walls to the top or side.

100

569

140

320

361

398

410

Preparing for installation

Preparing for boiler installation

5773 216 GB

595

600

220

330

AHeating flow R ¾

BDHW R ½

CGas connection R ¾

DCold water R ½

EHeating return R ¾

FDHW circulation R ½ (separate

accessory)

GCondensate drain to the back into

the wall

HSide condensate drain

KWiring area

Rated heating

output range

3.2 to

26 kW

5.2 to

35 kW

a (mm) 745 945

b (mm) 750 950

c (mm) 972 1172

d (mm) 1027 1227

e (mm) 1082 1302

f (mm) 1137 1337

g (mm) 1191 1391

h (mm) 1247 1447

k (mm) 1302 1562

l (mm) 1437 1637

m (mm) 1466 1666

n (mm) 1465 1665

p (mm) 1526 1726

q (mm) 201 224

Note

All height dimensions have a tolerance

of +15 mm due to the adjustable feet.

1. Prepare the heating water connec-

tions.

Thoroughly flush the heating sys-

tem.

Note

Should an additional expansion ves-

sel be required on site, connect this

vessel in the heating return.

Preparing for installation

Preparing for boiler installation (cont.)

5773 216 GB

Installation

>200

2. Prepare the connections on the DHW

side. Install the safety assembly

(accessory or on-site provision) in

accordance with DIN 1988 and

EN 806 in the cold water line (see

page 11).

Recommendation:

Install the safety valve above the

DHW cylinder to protect it against

contamination, scaling and high tem-

peratures.

3. Prepare the condensate connection

to the on-site drain line or siphon:

■ Drain towards the back:

See dimensions for condensate

hose M and position G in dia-

gram on page 8.

■ Drain towards the side aperture:

See position H in diagram on

page 8.

4. Prepare the gas connection accord-

ing to TRGI or TRF [or local regula-

tions].

5. Prepare the electrical connections.

■Power cable: NYM-J 3 x 1.5 mm2,

max. fuse rating 16 A,

230 V/50 Hz.

■ Accessory cables: NYM with the

required number of conductors for

the external connections.

■Allow all cables in area K in the

diagram on page 8 to protrude

approx. 2000 mm from the wall.

Preparing for installation

Preparing for boiler installation (cont.)

5773 216 GB

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