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
2
!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.
3.
5.
2.
4.
7.
1.
2x
6.
4x
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
3
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.
A
X21 X7
X20
4 3 2 1
B
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.
r
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
rr
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.
A
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
5
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
6
1. Switch on the ON/OFF switch.
r
2. Turn both rotary selectors "tw" and
"tr" simultaneously into their
respective central positions.
"SERV" appears on the display.
rr
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
or
■"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
7
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
8
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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