Viessmann Vitodens 200-W System Guide rapide

Installation and service instructions

for contractors

VIESMANN

Vitodens 200-W

Type B2HA, 125 and 150 kW

Wall mounted gas condensing boiler

Natural gas and LPG version

For applicability, see the last page

VITODENS 200-W

5623 520 GB 1/2015 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 gas installations must only be carried out by

a registered gas fitter.

■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 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

Safety instructions for working on the system

Working on the system

■Where gas is used as the fuel, close the main gas

shut-off valve and safeguard it against unintentional

reopening.

■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.

Danger

Hot surfaces can cause burns.

■Before maintenance and service work, switch

OFF the appliance and let it cool down.

■Never touch hot surfaces on the boiler, burner,

flue system or pipework.

!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 only 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 for operating the system

If you smell gas

Danger

Escaping gas can lead to explosions 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.

■Evacuate any people from the danger zone.

■Notify your gas or electricity supply utility from

outside the building.

■Have the power supply to the building shut off

from a safe place (outside the building).

Safety instructions

5623 520 GB

If you smell flue gas

Danger

Flue gas can lead to life threatening poisoning.

■Shut down the heating system.

■Ventilate the installation site.

■Close doors to living spaces to prevent flue

gases from spreading.

Flue systems and combustion air

Ensure that flue systems are clear and cannot be

sealed, for instance due to accumulation of conden-

sate or other causes. Ensure an adequate supply of

combustion air.

Instruct system users that subsequent modifications to

the structural conditions are not permissible (e.g.

cable/pipework routing, cladding or partitions).

Danger

Leaking or blocked flue systems, or an inade-

quate supply of combustion air can cause life

threatening poisoning from carbon monoxide in

the flue gas.

Ensure the flue system is in good working order.

Apertures for supplying combustion air must be

non-closable.

Extractors

Operating appliances that route exhaust air outdoors

(cooker hoods, extractors, air conditioning units, etc.)

can create negative 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 route exhaust air outdoors can

result in life threatening poisoning due to

reverse flow of the flue gas.

Fit an interlock circuit or take suitable steps to

ensure an adequate supply of combustion air.

Safety instructions

Safety instructions (cont.)

5623 520 GB

1. Information Symbols ................................................................................................. 6

Intended use .......................................................................................... 6

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

■Vitodens 200-W, type B2HA ............................................................... 7

2. Preparing for installation .................................................................................................................. 8

3. Installation sequence Mounting the boiler and making the connections .................................. 10

■Removing boiler from packaging and levelling ................................... 10

■Fitting the wall mounting bracket ........................................................ 11

■Hooking the boiler onto the wall mounting bracket and levelling it ..... 13

Connection on the heating water side ................................................... 13

Flue gas connection ............................................................................... 14

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

Gas connection ...................................................................................... 15

Opening the control unit enclosure ........................................................ 15

Electrical connections ............................................................................ 17

■Circulation pump at plug sÖ ................................................................ 18

■Circulation pump at plug sA ................................................................ 20

■External demand via switching contact .............................................. 20

■External demand via 0 – 10 V input .................................................... 21

■External blocking via switching contact .............................................. 21

■Outside temperature sensor ! .......................................................... 22

■Power supply for accessories at plug lH ............................................ 22

■Power supply fÖ ................................................................................. 23

■Routing the connecting cables ........................................................... 24

Closing the control unit enclosure and inserting the programming unit . 25

4. Commissioning, inspec-

tion, maintenance

Steps - commissioning, inspection and maintenance ............................ 26

5. Code 1 Calling up coding level 1 ........................................................................ 51

General/group "1" .................................................................................. 51

Boiler/group "2" ...................................................................................... 53

DHW/group "3" ...................................................................................... 54

Solar/group "4" ....................................................................................... 54

Heating circuit 1, heating circuit 2, heating circuit 3/group "5" ............... 55

6. Code 2 Calling up coding level 2 ........................................................................ 60

General/group "1" .................................................................................. 60

Boiler/group "2" ...................................................................................... 65

DHW/group "3" ...................................................................................... 67

Solar/group "4" ....................................................................................... 68

Heating circuit 1, heating circuit 2, heating circuit 3/group "5" ............... 70

7. Diagnosis and service

scans

Service level .......................................................................................... 76

Diagnosis ............................................................................................... 77

■Operating data .................................................................................... 77

■Brief scan ............................................................................................ 77

Checking outputs (relay test) ................................................................. 80

■Weather-compensated control unit ..................................................... 80

■Constant temperature control unit ...................................................... 81

8. Troubleshooting Fault display ........................................................................................... 82

■Weather-compensated control unit ..................................................... 82

■Constant temperature control unit ...................................................... 82

Fault codes ............................................................................................ 83

Index

5623 520 GB

Maintenance .......................................................................................... 91

■Checking the outside temperature sensor (weather-compensated

control unit) ......................................................................................... 91

■Checking the boiler water temperature sensors, cylinder tempera-

ture sensor or flow temperature sensor for the low loss header ......... 92

■Replacing the flow sensor .................................................................. 93

■Checking the flue gas temperature sensor ......................................... 94

■Checking the fuse ............................................................................... 95

■Extension kit, mixer ............................................................................ 95

■Checking the Vitotronic 200-H (accessories) ...................................... 96

9. Parts lists Overview of assemblies ......................................................................... 98

Casing assembly ................................................................................... 102

Heat cell assembly .................................................................................104

Burner assembly ....................................................................................106

Hydraulic assembly ................................................................................108

Control unit assembly ............................................................................ 110

Miscellaneous assembly ........................................................................ 112

10. Function description Constant temperature control unit ......................................................... 114

■Heating mode ..................................................................................... 114

■DHW heating ...................................................................................... 114

Weather-compensated control unit ........................................................ 114

■Heating mode ..................................................................................... 115

■DHW heating ...................................................................................... 115

■Boosting DHW heating ....................................................................... 115

Internal extensions (accessories) .......................................................... 116

■Internal extension H1 .......................................................................... 116

■Internal extension H2 .......................................................................... 117

External extensions (accessories) ......................................................... 118

■Extension AM1 ................................................................................... 118

■EA1 extension .................................................................................... 119

Control functions ....................................................................................120

■External heating program changeover ............................................... 120

■External blocking ................................................................................ 121

■External demand ................................................................................ 121

■Venting program ................................................................................. 122

■Screed drying ..................................................................................... 122

■Raising the reduced room temperature .............................................. 124

■Reducing the heat-up time ................................................................. 124

Assigning heating circuits to the remote control .................................... 125

Electronic combustion control unit ......................................................... 126

11. Connection and wiring dia-

gram

Connection and wiring diagram – Internal connections ......................... 127

Connection and wiring diagram – External connections ........................128

12. Commissioning/service

reports

................................................................................................................129

13. Specification ..................................................................................................................130

14. Certificates Declaration of conformity ....................................................................... 131

■Declaration of Conformity for the Vitodens 200-W ............................. 131

Manufacturer's certificate according to the 1st BImSchV [Germany] .... 131

15. Keyword index ..................................................................................................................132

Index

Index (cont.)

5623 520 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

Symbol Meaning

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 heating systems that

comply with EN 12828, with due attention paid to the

associated installation, service and operating instruc-

tions. It is only designed for the heating of water that is

of potable water quality.

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.

Information

Symbols

5623 520 GB

Information

Any usage beyond this must be approved by the man-

ufacturer in each individual case.

Incorrect usage or operation of the appliance (e.g. the

appliance being opened by the system user) is prohibi-

ted and will result in an exclusion of liability. Incorrect

usage also occurs if the components in the heating

system are modified from their intended use (e.g. if the

flue gas and ventilation air paths are sealed).

Product information

Vitodens 200-W, type B2HA

Preset for operation with natural gas E and natural gas

LL.

For conversion to LPG P (without conversion kit), see

page 31.

In principle the Vitodens 200-W may only be delivered

to countries listed on the type plate. For deliveries to

alternative countries, approved contractors must

arrange individual approval on their own initiative and

in accordance with the law of the country in question.

Multi boiler system

For the installation of a multi boiler system, observe

the installation instructions for the multi boiler system

accessories.

Information

Intended use (cont.)

5623 520 GB

Information

Dimensions and connections

!Please note

To prevent appliance damage,

connect all pipework free of load and torque

stress.

165.5

923

1440

689

278

905

600

200

855

1975

1950

70 70

195

Fig.1

ASafety valve

BExpansion vessel connection G1

CBoiler flow 7 54 mm

DCylinder flow 7 42 mm

EGas connection R 1

FCylinder return 7 42 mm

GBoiler return 7 54 mm

HConnection sets (accessories, shown without the

thermal insulation supplied)

KCable entry area at the back

LWithout connection set (accessories)

MWith connection set (accessories)

NRecommended dimension (single boiler system

without mounting frame)

ORecommended dimension (multi boiler system and

single boiler system with mounting frame)

PCondensate drain

Preparing for installation

5623 520 GB

Installation

Preparing for boiler installation

Note

This boiler (IP rating IP X4 D) is approved for installa-

tion in wet rooms inside safety zone 1 in accordance

with DIN VDE 0100, providing the occurrence of hosed

water can be ruled out.

Observe DIN VDE 0100 [or local regulations].

1. Prepare the water connections. Thoroughly flush

the heating system.

2. Prepare gas connection to TRGI [or local regula-

tions].

3. Prepare the electrical connections.

■Power cable: NYM-J 3 x 1.5 mm2, max.

fuse 16 A, 230 V~.

■Accessory cables: NYM with the required number

of cores for external connections.

■Allow all cables in area "K" to protrude 1400 mm

from the wall.

Preparing for installation

Preparing for installation (cont.)

5623 520 GB

Installation

Removing boiler from packaging and levelling

2..

Fig.2

1. Remove packing cushions and keep them safe.

They are used as a support during levelling.

2. Undo two screws on the underside.

3. Remove the front panel.

4. Push packing cushions onto the underside of the

boiler.

Installation sequence

Mounting the boiler and making the connections

5623 520 GB

Installation

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