12 Decommissioning; Temporarily Decommissioning The Product; Decommissioning The Product; 13 Customer Service - Vaillant atmoTEC exclusive Installation And Maintenance Instructions Manual

12 Decommissioning

11.4.5 Replacing the PCB and the display
1. Replace the PCB and display according to the
assembly and installation instructions supplied.
2. Set the Device Specific Number for the product type
under d.93.
Diagnostics level 2 diagnostics codes (→ Page 30)
Display number
VC DE 104/4-7 A-P
VC DE 104/4-7 A-L
VC DE 104/4-7 A-H
VCC 194/4-5 120 (E-DE), surface-mounted
VCC 194/4-5 120 (E-DE), concealed
VCC 194/4-5 120 (LL-DE), surface-mounted
VCC 194/4-5 120 (LL-DE), concealed
VCW DE 254/4-7 A-P
VCW DE 254/4-7 A-L
VCW DE 254/4-7 A-H
VCW DE 204/4-7 A-P
VCW DE 204/4-7 A-L
VCW DE 204/4-7 A-H
VCW DE 194/4-5 A-L
VCW DE 194/4-5 A-H
VCW DE 244/4-5 A-L
VCW DE 244/4-5 A-H
◁
The electronics are now set to the product type and
the parameters of all diagnostics codes are set to
default settings.
3. Make the system-specific settings.
11.4.6 Checking the product for leak-tightness
▶
Check that the product is leak-tight. (→ Page 22)
11.4.7 Completing repair work
1. Install the front casing. (→ Page 12)
2. Establish the power supply if this has not yet been done
(→ Replacing the PCB and display).
3. Switch the product (→ Page 18) on again if you have not
already done so (→ Replacing the PCB and display).
4. Open all service valves and the gas isolator cock.
12 Decommissioning
12.1

Temporarily decommissioning the product

▶
Switch the main switch to 0.
◁
The display goes out.
▶
Close the gas stopcock.
▶
On combination products and products with a connec-
ted domestic hot water cylinder, you must also close the
cold-water isolation valve.
28
12.2
▶
Switch the main switch to 0.
◁
▶
Disconnect the product from the power grid.
▶
Close the gas stopcock.
▶
On combination products and products with a connec-
ted domestic hot water cylinder, you must also close the
cold-water isolation valve.
9
▶
Drain the product. (→ Page 26)
8
7
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13 Customer service

61
Auftragsannahme Vaillant Kundendienst: 021 91 5767901
62
62
17

14 Recycling and disposal

15
Disposing of the packaging
14
▶
Dispose of the packaging correctly.
13
▶
Observe all relevant regulations.
11
10
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Installation and maintenance instructions atmoTEC exclusive, atmoTEC plus 0020214272_04

Decommissioning the product

The display goes out.