3064812_201804 25
18 MaintenanceReport
No. Workstep ReportItem ReportItem ReportItem
Date
1 Switch off appliance, Emergency Stop switch off
2 Shut off gas supply,
3 Open cover and remove combustion chamber housing
4 Disconnect electrical connections to fan and ignition transformer
5 Release catches and remove combustion chamber cover
6 Clean burner as necessary. Check ignition and ionisation elec-
trodes
O O O
7 Clean hot water heat exchanger O O O
8 Clean condensate tray O O O
9 Clean mixing chamber as necessary O O O
10 Check combustion chamber insulation for damage O O O
11 Check seals. Replace as necessary and coat with silicon grease O O O
12 Check neutralisation if installed. Rell granulate as necessary O O O
13 In case of enamelled tank, check protective anode every 2 years O O O
14 Reassemble appliance
15 Clean trap ll, install and check for rm t O O O
16 Descale hot water heat exchanger as necessary O O O
17 Clean hot water sieve O O O
18 Check expansion vessel, safety valve O O O
19 Open gas supply, switch on appliance
20 Gas leak test O O O
21 Exhaust system leak test O O O
22 Check ignition O O O
23 Check bus connection to control accessories O O O
24 Exhaust gas temperature in exhaust gas inspection mode O O O
25 Gross exhaust gas temperature °C °C °C
26 Intake air temperature °C °C °C
27 Net exhaust gas temperature °C °C °C
28 Carbon dioxide content (CO2) % % %
29 or oxygen content (O2) % % %
30 Carbon monoxide content (CO) % % %
31 Exhaust gas losses % % %
32 Call up maintenance display and acknowledge error history O O O
Conrm maintenance (Company stamp, date, signature)