Glow-worm Ultracom 2 24cxi - MAINTENANCE; 12 Commissioning; 15 Trouble-shooting; 18 Servicing

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12 Commissioning ...............................................................................................................................25
12.1 Switching on .........................................................................................................25
12.2 Filling the CH system (Central heating) ................................................................25
12.3 Filling DHW Circuit ...............................................................................................25
12.4 Filling the Condensate Trap .................................................................................25
12.5 Initial lighting .........................................................................................................26
12.6 Gas rates ..............................................................................................................26
12.7 Testing heating system .........................................................................................27
12.8 Testing domestic hot water system.......................................................................27
12.9 Completion ...........................................................................................................27
13 Specic adjustment .........................................................................................................................28
13.1 Heating circuit adjustment ....................................................................................28
13.2 Appliance technical settings and parameter list ...................................................28
13.3 CO2 measurement ...............................................................................................32
13.4 Re-check and restart ............................................................................................32
14 User information ...............................................................................................................................32
MAINTENANCE
15 Trouble-shooting ..............................................................................................................................33
15.1 Fault diagnosis .....................................................................................................33
15.2 Fault memory........................................................................................................34
15.3 Fault codes ...........................................................................................................34
15.4 Functional ow diagram........................................................................................36
16 Gas conversion adjustments ............................................................................................................37
16.1 Settings.................................................................................................................37
16.2 Restart - re-check commissioning ........................................................................38
17 Draining ...........................................................................................................................................38
17.1 Heating circuit ......................................................................................................38
17.2 Domestic Hot water circuit ...................................................................................38
18 Servicing ..........................................................................................................................................39
18.1 Annual Maintenance .............................................................................................39
18.2 Casing removing...................................................................................................40
18.3 Combustion check and setting the air/gas ratio valve ..........................................40
18.4 Servicing ...............................................................................................................41
18.5 Silencer ................................................................................................................42
18.6 Expansion vessel..................................................................................................42
18.7 Heating lter .........................................................................................................43
18.8 Condensate trap ...................................................................................................43
18.9 Combustion block .................................................................................................44
18.10 Service completion ...............................................................................................45
19 Replacement of Parts ......................................................................................................................46
19.1 General .................................................................................................................46
19.2 Boiler Access ........................................................................................................46
19.3 Viewing window ....................................................................................................46
19.4 Hydraulic block .....................................................................................................48
19.5 Combustion block .................................................................................................50
19.6 Condensate trap ...................................................................................................52
19.7 PCB ......................................................................................................................53
20 Spare parts ......................................................................................................................................54
20.1 Short List of Parts .................................................................................................54
20.2 Short List of Parts .................................................................................................55
21 Manual Handling ..............................................................................................................................56
22 Declaration of Conformity ................................................................................................................57
TABLE OF CONTENTS