Table Of Contents - Vaillant thermocompact vu 142/1 e Instructions For Installation And Servicing

Table of Contents

Table Of Contents2
Specifications4
Dimensions5
Boiler Connections5
Function Diagram6
General Requirements7
Boiler Location7
Gas Supply8
Flue System8
Flue Termination9
Air Supply10
Electricity Supply10
Guide To System Requirements10
Water Circulation System10
Filling And Make Up11
Pressure Relief Valve11
Pressure And Temperature Gauge11
Expansion Vessel12
Circulation Pump12
System By-Pass/Venting12
Sizing Of Additional Expansion Vessel12
Boiler Installation Sequence13
Boiler Delivery13
Preparation Of Boiler Location14
Installation Accessories14
Select Position Of Boiler14
Using The Boiler Template15
Fitting The Boiler Hanging Bracket15
Installing The Flue System16
Mounting The Boiler16
Fitting The Boiler16
Pipework Connections16
Connecting The Flue Assembly To The Boiler17
Horizontal Flue17
Vertical Flue18
Electrical Installation19
General Electrical Requirements19
Connecting To Mains Supply19
External Electrical Controls20
Connection Of External Electrical Controls20
Thermostatic Radiator Valves21
Circulating Pump21
Anti-Cycling 'Economiser' Control21
Frost Protection21
Commissioning23
Preliminary Electrical Checks23
Filling The Heating System24
Initial System Flush ('Cold')24
Initial Lighting25
Gas Inlet Working Pressure26
Main Burner Pressure26
Adjusting The Central Heating Output (Range Rating)27
Functional Checks28
Checking Flame Supervision Device29
Final System Flush ('Hot')29
Fitting Case29
Door Hinged At Left Hand Side/Fit Bottom Cover29
Servicing30
Hand Over To User30
Initial Inspection30
Routine Maintenance31
Remove Front Case31
Turn Off The Boiler31
Inspect Main Heat Exchanger31
Re-Commissioning The Boiler32
Inspect Burner32
Check Expansion Vessel32
Parts Replacement33
Initial Preparation33
Turning Off The Boiler33
Releasing System Water Pressure And Draining The Boiler33
Removal Of Front Casing34
Removal Of Side Casings34
Removal Of Combustion Chamber Cover34
Removal Of Heat Exchanger34
Replacement Of Fan35
Replacement Of Air Pressure Switch35
Replacement Of Burner36
Replacement Of Electrodes36
Replacement Of Ntc Temperature Sensor37
Replacement Of Gas Valve37
Replacement Of Main Heat Exchanger38
Replacement Of Modulating Regulator38
Replacement Of Expansion Vessel39
Replacemet Of Transformer40
Replacement Of Overheat Thermostat40
Replacement Of Pump40
Replacement Of Automatic Air Release41
Replacement Of Automatic Bypass41
Replacement Of Pressure And Temperature Gauge42
Replacement Of Differential Pressure Switch42
Removal Of Printed Circuit Boards (Pcbs)43
Replacement Of Switch And Control Boards43
Fault Finding44
Colored Indicators44
Prelimitary Checks44
Check Electrical Supply And Appliance Fuses45
Check Main On/Off Control, Overheat Thermostat And Anti-Surge Fuse46
Check Central Heating Control And External Controls47
Check Operation Of Pump48
Check Fan/Flue Gas System49
Check Operation Of Differential Pressure Switch50
Check Ignition System And Gas Section51
Check Operation Of Burner And Modulation52
Electrical Diagrams54
Functional Flow Diagram54
Wiring Diagram55
Schematic Appliance Circuit Diagram56
Short Parts List57
Technical Data59
Spare Parts Catalogue61
View Of Appliances62
General View Sheets64
General View Sheets Vc 110 T, Xt65
General View Sheets Vc 112,142 E66
General View Sheets Vc 180,240 T, Vcw 240,280 T, Xt67
General View Sheets Vc-Vcw 221 T68
General View Sheets Vc 182,242,282 E, Vcw 242,282 E69
Main Component 0170
Flow Switch70
Main Component 01 Water Valve, Servo Control Valve (To 04/95)71
Main Component 01 Water Valve, Servo Control Valve (From 05/95)75
Main Component 01 Hydraulically Controlled Diverter Valve77
Main Component 01 Flow Switch79
Main Component 0481
Burner, Pilotburner81
Main Component 04 Burner, Pilotburner82
Vc 110 T H,B82
Main Component 04 Burner84
Vc 112 E H,B84
Main Component85
Vc 142 E H,B86
Main Component 04 Burner, Pilotburner Diagram88
Vc 180,240 T, Vcw 240,280 T H,B88
Vc-Vcw 221 T H,B90
Main Component 04 Burner Diagram92
Vc 182,242,282 E, Vcw 242,282 E H,B92
Main Component 0594
Main Component 05 Gas Section95
Main Component 0699
Main Component 06 Heat Exchanger100
Vc 110,180,240 T, Vcw 240,280 T100
Vc 112,182,242,282 E, Vcw 242,282 E102
Heat Exchanger103
Vc-Vcw 221106
Main Component 06 Heat Exchanger (Dhw)108
Main Component 07110
Casing Parts110
Wallcase110
Main Component 07 Casing Parts111
Vc 142 E113
Vc 180,240 T, Vcw 240,280 T115
Vc 182,242,282 E, Vcw 242,282 E118
Vc-Vcw 221 T119
Main Component 07 Air/Flue Duct Assembly121
Vc 112,142,182,242,282 E, Vcw 242,282 E121
Main Component 07 Wallcase123
Main Component 07 Vertical Air/Flue Duct Assembly125
(Acc.-No. 9293,9020,9056,9076,9077)125
Main Component 08127
Main Component 08 Connection Parts128
Vc 110 T, 112,142 E128
Vc 180-242,282, Vcw130
Main Component 08 Connection Piping134
Vc 110,180,221,240 T134
Vc 112,142,182,242,282 E136
Vcw 221,240,280 T138
Vcw 242,282 E140
Main Component 08 Acc.-Connection Parts142
Vc 110-282, Vcw142
Main Component 13144
Main Component 13 Control Box145
Main Component 13 Flue Sensor153
Main Component 16155
Main Component 16 Pump156
Main Component 18158
Main Component 18 Expansion Vessel159