Viessmann VITOCROSSAL 200 Manuel utilisateur

Installation instructions

for contractors

VIESMANN

Vitocrossal 200

Type CM2C, 75 to 311 kW

Gas condensing boiler

For open flue and room sealed operation

VITOCROSSAL 200

5799212 GB/en 12/2017 Dispose after installation.

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 quali-

fied contractors.

■Work on gas installations may only be carried out by

a registered gas fitter.

■Work on electrical equipment may only be carried

out by a qualified electrician.

Regulations to be observed

■National installation regulations

■Statutory regulations for the prevention of accidents

■Statutory regulations for environmental 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 G K directives,

ÖVGW-TRF and ÖVE

cSEV, SUVA, SVGW, SVTI, SWKI, VKF and

EKAS guideline 1942: LPG, part 2

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.

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

shut-off valve and safeguard it against unintentional

reopening.

Safety instructions

5799212

1. Information Disposal of packaging ............................................................................ 4

Symbols ................................................................................................. 4

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

Product information ................................................................................ 5

Conversion for other countries ............................................................... 5

2. Preparing for installation Clearance dimensions ........................................................................... 6

3. Installation sequence Siting and levelling the boiler ................................................................. 7

■Removing the base frame for handling (if necessary) ........................ 8

Mounting the burner ............................................................................... 9

■Changing the burner fixture to open on the right (if necessary) ......... 9

■Mounting the burner ........................................................................... 10

Fitting the electronics unit ...................................................................... 11

Fitting the thermal insulation and casing ............................................... 12

■Thermal insulation mats ..................................................................... 12

■Pre-assembling the side panels ......................................................... 13

■Fixing rails and retaining brackets ...................................................... 14

■Front of top panel and programming unit ........................................... 15

■Fitting the connecting cables .............................................................. 18

■Back panels ........................................................................................ 23

Connections on the heating water side .................................................. 24

Making the safety connections .............................................................. 25

Connecting the control unit .................................................................... 25

■Connections to the electronics unit ..................................................... 25

Fitting the top panels and the top back panel ........................................ 26

Connections on the flue gas side ........................................................... 27

■Flue gas connection and trap ............................................................. 27

■Condensate drain pipe ....................................................................... 28

Gas connection ...................................................................................... 28

Commissioning and adjustment ............................................................. 30

Front panel ............................................................................................. 30

Index

5799212

Please dispose of packaging waste in line with statu-

tory regulations.

DE: Use the disposal system organised by

Viessmann.

AT: Use the ARA statutory disposal system (Altstoff

Recycling Austria AG, licence number 5766).

CH: Packaging waste is disposed of by the HVAC

contractor.

Symbols

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.

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 as well as the details in the datasheet.

It is only designed for the heating up of heating water.

Commercial or industrial usage for a purpose other

than the heating up of heating water shall be deemed

inappropriate.

Intended use presupposes that a fixed installation in

conjunction with permissible components designed for

this purpose has been carried out.

Disposal of packaging

5799212

Every other use will be deemed to be inappropriate.

Any resulting losses are excluded from the manufac-

turer's liability.

Any usage beyond this must be approved by the man-

ufacturer for the individual case.

Intended use also includes the adherence to mainte-

nance and inspection intervals.

Product information

Vitocrossal 200, type CM2C

■Gas condensing boiler:

–75 to 142 kW rated heating output with modulating

MatriX radiant burner for natural gas E and LL

–186 to 311 kW rated heating output with modulat-

ing MatriX cylinder burner for natural gas E, LL and

LPG P

■Permissible operating pressure 6 bar

■Delivery:

Boiler body on pallet

Thermal insulation, burner, electronics unit with cable

harnesses and programming unit packed separately

Conversion for other countries

The Vitocrossal 200 may only be delivered to the

countries specified on the type plate. For deliveries to

other countries, approved contractors must arrange

individual approval on their own initiative and in

accordance with the law of the country in question.

Intended use (cont.)

5799212

600

500 (50)

500 (250)

500

A B

400

Fig. 1

ABoiler

BBurner

CDimensions for installation as a two-boiler system

with Viessmann accessories:

Installation instructions for flue gas header and

hydraulic system connection

DClearance for adjusting the side panels

Dimensions in brackets are minimum clearances.

Clearance dimensions

5799212

!Please note

Damage to the flue gas connection can result in

leaks.

Never lift or move the boiler by the flue gas con-

nection.

Information on handling

Hook lifting gear for transport by crane into the holes in

the front and back panel of the boiler.

Note

A suitable condensate drain must be available in the

installation room. If the boiler is installed at ground

level, the condensate drain must be no more than

50 mm above floor level. Otherwise install a conden-

sate removal pump.

Fig. 2

1. Insert adjusting screws A into the base rails from

above.

The adjusting screws are supplied in the accessory

pack.

Recommendation:

Position the boiler on adjustable anti-vibration feet

(accessories). Insert adjustable feet into the base

rails from below.

2. Level the boiler horizontally. Special foundations

are not required.

Siting and levelling the boiler

5799212

Removing the base frame for handling (if necessary)

If necessary, the base frame can be removed for han-

dling.

Fig. 3

Danger

If the boiler is not secured, it can slide off the

base frame and cause injury.

Secure the boiler body. Wear safety boots.

1. Undo the 4 screws and remove.

2. Lift the boiler off the base frame.

!Please note

If the drain connector is left unprotected, it

can be damaged while the boiler is being

transported and set down without the base

frame.

Set the boiler down carefully; place timber

below if necessary.

3. Fit the base frame in reverse order.

Torque for fixing screws 40 Nm

Siting and levelling the boiler (cont.)

5799212

Changing the burner fixture to open on the right (if necessary)

18 Nm

Fig. 4

1. Remove the four M10 nuts with washers and the

hinge bracket.

2. Attach the hinge bracket to the threaded pins on

the right-hand side in reverse order. Adjust the gap

between the boiler front panel and the hinge

bracket to 16 ± 0.5 mm.

Torque: 18 Nm

Mounting the burner

5799212

Mounting the burner

18 Nm

Fig. 5

1. Hook the burner onto the hinge bracket and secure

with the split pin.

!Please note

Mechanical damage to delicate components

will impair the burner function.

Carefully insert the burner into the combus-

tion chamber. Do not damage the burner

gauze assembly, electrodes or insulation

block.

2. Close the burner. Tighten the screws diagonally.

Torque: 18 Nm

3. Check that the gap between the boiler front panel

and the hinge bracket is 16 mm ±0.5 mm, so that

the boiler door closes tightly. Correct if necessary

using the 4 nuts.

Torque: 18 Nm

Danger

Leaks from the boiler door can result in poi-

soning through escaping flue gas.

Check the boiler door for leaks. For exam-

ple, use a dew point indicator, thermal imag-

ing or flue gas sensor.

Mounting the burner (cont.)

5799212

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