Viessmann Vitodens 100-W Manuale utente

5602 997 GB 4/2012 Dispose after installation.

Installation instructions

for contractors

VIESMANN

Replacing the control unit

for the Vitodens 100-W

Safety instructions

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 envi-

ronmental pollution.

Note

Details identified by the word "Note" con-

tain additional information.

Installation, initial start-up, inspection,

maintenance and repairs must only be

carried out by a competent person (heat-

ing engineer/installation contractor).

Before working on the equipment/heat-

ing system, isolate the power supply

(e.g. by removing a separate mains fuse

or by means of a mains isolator) and

safeguard against unauthorised recon-

nection.

When using gas as fuel, also close the

main gas shut-off valve and safeguard

against unauthorised reopening.

Repairing components which fulfil a

safety function can compromise the safe

operation of your heating system.

For replacements, use only original

spare parts supplied or approved by

Viessmann.

Opening the Vitodens

Installation and service instruc-

tions

!Please note

Electronic assemblies can be

damaged by electrostatic dis-

charge.

Before beginning work, touch

earthed objects, such as heating

or water pipes, to discharge static

loads.

1. Push in the side locking tabs.

2. Pivot control unit forward.

3. Remove the cover.

4. Pull all plugs from the control unit.

5. Push in the side locking tabs and

remove the pressure gauge from the

control unit casing.

6. Undo both screws on the hinges and

remove the control unit.

Replacing the control unit

5602 997 GB

7. Remove the control unit from the floor

of the air box.

8. Secure the new control unit with two

screws on the floor of the air box.

9. Fit the pressure gauge into the con-

trol unit casing.

10. Connect all plugs to the control

unit.

Matching the control unit to the boiler

Match the new control unit to the boiler

by selecting a parameter set.

X21 X7

X20

4 3 2 1

1. At terminal block A remove jumper

B from terminals 1 and 2 and insert

across terminals 3 and 4.

2. Switch on the ON/OFF switch.

3. Turn both rotary selectors "tw" and

"tr" simultaneously into their

respective central positions.

"SERV" appears on the display.

Replacing the control unit (cont.)

5602 997 GB

4. Turn rotary selector "rt" fully anti-

clockwise within 2 s.

In the display the value for the selec-

ted parameter set (1 - 12) flashes.

5. Select the parameter set that suits

the boiler in accordance with the fol-

lowing table and the serial number

(see type plate).

6. Select the correct parameter set by

turning rotary selector "tw".

7. The set operating mode is saved

when the value stops flashing, and

the control unit returns to standard

mode.

8. Enable parameter setting:

Switch the control unit ON/OFF

switch first OFF and then ON again.

X21 X7

X20

4 3 2 1

9. Remove new lead A from "X 21"

again (is no longer required).

Matching the control unit to the boiler (cont.)

5602 997 GB

10. If a lead was previously connected

to "X 21" at the control unit (remote

control unit or outside temperature

sensor):

Reconnect this lead to "X 21".

Serial no.

(Type plate)

Parameter set

No.

7441 736 4

7441 737 5

7441 739 6

7441 745 2

7441 748 1

7441 749 3

Serial no.

(Type plate)

Parameter set

No.

7499 418 7

7499 419 8

7499 420 14

7499 421 12

7499 422 13

7499 423 7

7499 424 8

7499 425 9

7499 426 10

7499 427 11

7499 428 12

7499 429 13

Serial no.

(Type plate)

Parameter set

No.

7499 430 14

7499 431 13

7499 432 7

7499 433 8

7499 434 14

7499 435 12

7499 436 13

7499 438 15

7499 440 16

7499 441 7

7499 442 8

7499 443 14

7499 444 12

7499 445 13

Serial no.

(Type plate)

Parameter set

No.

7501 297 1

7501 298 2

7501 823 2

7501 824 2

Changing the gas type at the control unit

Note

The gas type must only be converted

when operating with LPG. In the deliv-

ered condition, the control unit is set to

operate with natural gas.

Matching the control unit to the boiler (cont.)

5602 997 GB

1. Switch on the ON/OFF switch.

2. Turn both rotary selectors "tw" and

"tr" simultaneously into their

respective central positions.

"SERV" appears on the display.

3. Turn rotary selector "tr" fully anti-

clockwise within 2 s .

"A" and the new selected value

flash on the display.

4. Change the control unit to natural gas

or LPG by turning rotary selector

"tw".

The display shows:

■"0" for operation with natural gas

■"1" for operation with LPG.

5. The set gas type is saved when the

value stops flashing, and the control

unit returns to standard mode.

Matching the burner output to the flue system

Installation and service instruc-

tions

Changing the gas type at the control unit (cont.)

5602 997 GB

1. Close the control unit casing and flip

up the control unit.

2. Fit the front panel.

3. Start up the boiler and check for cor-

rect function.

Closing the control unit and starting the boiler

5602 997 GB

Viessmann Limited

Hortonwood 30, Telford

Shropshire, TF1 7YP, GB

Telephone: +44 1952 675000

Fax: +44 1952 675040

E-mail: [email protected]

Viessmann Werke GmbH&Co KG

D-35107 Allendorf

Telephone: +49 6452 70-0

Fax: +49 6452 70-2780

www.viessmann.com

5602 997 GB Subject to technical modifications.

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