Viessmann Vitodens 111-W Guida rapida

Installation and service

instructions

for contractors

VIESMANN

Vitodens 111-W

Type B1LA, 6.5 to 35.0 kW

Gas condensing storage combi boiler

Natural gas and LPG version

For applicability, see the last page

VITODENS 111-W

5618 689 UAE 3/2012 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

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.

If you smell gas

Danger

Escaping gas can lead to explo-

sions which may lead to serious

injury.

■ Do not 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).

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 in the living

space.

Safety instructions

5618 689 UAE

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 electrostatic dis-

charges.

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 heating

system.

Replace faulty components only

with original Viessmann spare

parts.

Ancillary components, spare and

wearing parts

!Please note

Spare and wearing parts that

have not been tested together

with the heating system can com-

promise its function. Installing

non-authorised components and

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.)

5618 689 UAE

Service instructions

Installation information

Product information.............................................................................................. 6

Preparing for the boiler installation....................................................................... 7

Installation instructions

Installation sequence

Fitting the wall mounting bracket.......................................................................... 9

Fitting the boiler and making connections............................................................ 10

Opening the control unit casing............................................................................ 15

Electrical connections........................................................................................... 15

Service instructions

Commissioning, inspection, maintenance

Steps - commissioning, inspection and maintenance.......................................... 19

Further details regarding the individual steps....................................................... 20

Troubleshooting

Function sequence and possible faults................................................................ 38

Fault messages on the display............................................................................. 39

Repairs................................................................................................................. 43

Gas type conversion

Converting from LPG to natural gas .................................................................... 52

Control unit

Functions and operating conditions in weather-compensated mode................... 54

Designs

Connection and wiring diagram............................................................................ 56

Parts lists

Ordering parts...................................................................................................... 58

Overview of the assemblies................................................................................. 59

Casing assembly.................................................................................................. 60

Heat cell assembly............................................................................................... 61

Burner assembly.................................................................................................. 63

Hydraulic assembly.............................................................................................. 65

Aqua plate assembly............................................................................................ 67

Control unit assembly........................................................................................... 68

Cylinder assembly................................................................................................ 70

Miscellaneous assembly...................................................................................... 71

Index

5618 689 UAE

Specification....................................................................................................... 73

Certificates

Declaration of conformity...................................................................................... 74

Keyword index.................................................................................................... 75

Index

Index (cont.)

5618 689 UAE

Vitodens 111-W, type B1LA

Preset for operation with natural gas. Conversion to LPG P requires a gas con-

version kit.

Conversion for other countries

The Vitodens 111-W should generally

only be delivered to those countries

specified 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.

Installation information

Product information

5618 689 UAE

Dimensions and connections

480

945

1003

497

740

900

F GH K

166

AArea for electrical connections

BHeating flow

CCondensate drain

DHeating return

EFilling/draining

FGas connection

GSafety valve (on the DHW side)

HCold water

KDHW

Installation information

Preparing for the boiler installation

5618 689 UAE

Service

Preparing the connections

Note

This boiler (IP rating: IP X4D) is

approved for installation in wet rooms

inside safety zone 1 in accordance with

DIN VDE 0100, providing the occurrence

of hosed water can be ruled out.

Observe the requirements of DIN VDE

0100.

1. Prepare the water connections. Flush

the heating system.

2. Prepare the gas connection.

3. Prepare the electrical connections.

■Power cable NYM-J 3 x 1.5 mm2.

■ Accessory cables:

NYM-O two-core min. 0.5 mm2.

Installation information

Preparing for the boiler installation (cont.)

5618 689 UAE

250

Ø10

Installation sequence

Fitting the wall mounting bracket

5618 689 UAE

Installation

Removing the front panel and mounting the boiler

1. Undo screws at the bottom of the

boiler; do not remove completely.

2. Remove front panel.

3. Hook the boiler into the wall mounting

bracket.

Making the connections on the water side

For fittings on the heating water

side and DHW side, see separate

installation instructions. !Please note

To prevent equipment damage,

install all pipework free of load

and torque stresses.

Installation sequence

Fitting the boiler and making connections

5618 689 UAE

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