Table Of Contents - Vaillant aquaPLUS VUI 362-7 Instructions For Installation And Servicing

Table of Contents

Table Of Contents2
List Of Contents3
General Information4
General Notes4
Showers4
Boiler Specifications5
Technical Data5
Boiler Connections6
Functional Diagram6
Connection Diameters6
General Requirements8
Boiler Location8
Gas Supply8
Flue System9
Flue Termination10
Air Supply11
Cupboard Or Compartment Ventilation11
Electrical Supply11
Water Circulation System11
Expansion Vessel12
Pump Specifications12
Circulating Pump12
Venting12
Boiler Installation Sequence13
Preparation Of Boiler Location13
Selecting Position Of Boiler13
Clearances Required13
Using Boiler Template14
Top Outlet Rear Exit14
Other Flue Options14
Fitting The Boiler Hanging Bracket15
Fitting The Boiler15
Removing Boiler Casing15
Cold Water Mains Inlet And Hot Water Outlet16
Central Heating Flow And Return Pipework17
Connect The Flue System To The Holder17
Pressure Relief Valves17
Electrical Installation18
Connection To The Main Supply18
Exposed Rear View Of Switchgear Cabinet19
Wiring System19
Electronic Board Layout20
Connection Wiring20
Controls21
External Electrical Controls21
Connection Of External Controls21
Thermostatic Radiator Valves22
Front Protection22
Anti-Cycling Economiser Control22
Automatic Pump Spin Control (Aps)22
Commissioning23
Preliminary Electrical Checks23
Filling The Heating System23
Gas Supply Adjustments24
Gas Inlet Working Pressure24
Main Burner Pressure25
Adjusting To The Maximum Heat Load26
Adjusting The Ignition Rate27
Adjusting The Central Heating Output (Range Rating)28
Checking The Gas Valve Mid Setting Point30
Burner Pressure And Gas Rate30
Fit Boiler Casing31
Functional Checks32
Hot-Water Supply32
Power Store Filling Mode32
Heating Mode33
Adjusting Pump Speed33
Final System Flush33
Servicing34
Handling Over To The User34
Initial Inspection34
Functional Check Of Boilder Operation34
Cleaning The Burner And Primary Heat Exchanger35
Draining The Domestic Hot Water System35
Fault Finding36
Normal Mode36
Status Mode36
Diagnostic Mode36
Check Electrical Supply, Appliance Fuses And On/Off Control42
Check Operation Of Pump And Fan43
Check Central Heating And Controls44
Check Flue And Ignition System45
Check Gas Valve And Central Heating System Pressure46
Check Operation Of Burner And Modulation47
Check D.h.w Operation48
Diagrams49
Functional Flow Diagram49
Main Transformer49
Wiring Diagram50
Short Parts List51