Worcester GB162-80

CONTENTS
6 720 648 726 (2011/07)
5
11 Shutting down the heating system . . . . . . . . . 60
11.1 Shutting down the heating system
using the basic controller . . . . . . . . . . . . 60
11.2 Shutting down the heating system if
there is a risk of freezing (interruption
of use) . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
12 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
12.1 Preparing the heating system
for inspection . . . . . . . . . . . . . . . . . . . . . . 61
12.2 Opening the boiler door . . . . . . . . . . . . . 61
12.3 Carry out a visual check for general
signs of corrosion . . . . . . . . . . . . . . . . . . 61
12.4 Gas valve leakage test . . . . . . . . . . . . . . . 62
12.5 Measuring the ionisation current . . . . . . 62
12.6 Measuring the gas inlet pressure
(working pressure) . . . . . . . . . . . . . . . . . 62
12.7 Checking and adjusting the gas/air-ratio . 62
12.8 Carrying out a leakage test in
operating conditions . . . . . . . . . . . . . . . . 62
12.9 Measuring the flue gases CO
2
emissions. 62
12.10 Filling the heating system . . . . . . . . . . . . 62
12.11 Checking the flue gas connection . . . . . . 62
12.12 Inspection log book . . . . . . . . . . . . . . . . 63
13 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
13.1 Removing the boiler door . . . . . . . . . . . . 64
13.2 Cleaning the heat exchanger, burner
and condensate trap . . . . . . . . . . . . . . . . 64
13.2.1 Removing the gas valve . . . . . . . . . . . . . . 64
13.2.2 Removing the burner cover with
the fan and the gas valve . . . . . . . . . . . . . 65
13.2.3 Removing the burner and the
burner seal . . . . . . . . . . . . . . . . . . . . . . . . 66
13.2.4 Checking ignition unit . . . . . . . . . . . . . . . 66
13.2.5 Disconnecting the condensate trap . . . . 66
13.2.6 Removing the condensate collector . . . . 67
13.2.7 Cleaning the heat exchanger . . . . . . . . . . 68
13.3 Checking and adjusting the gas/air-ratio . 68
13.4 Function check in operating conditions . 68
13.5 Service record log book . . . . . . . . . . . . . 69
14 Display information . . . . . . . . . . . . . . . . . . . . . 70
14.1 Removing the control panel from
the boiler . . . . . . . . . . . . . . . . . . . . . . . . . 70
14.2 Display readings . . . . . . . . . . . . . . . . . . . 70
14.3 BC10 Display settings . . . . . . . . . . . . . . . 71
14.4 BC10 Display codes . . . . . . . . . . . . . . . . 71
14.5 Re-fit the control panel in the boiler . . . . 82
15 Technical specifications . . . . . . . . . . . . . . . . . . 83
15.1 Spare parts list GB162-80/100 . . . . . . . . 85
15.2 Spare parts list GB162-65 . . . . . . . . . . . . 89
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93