Table Of Contents - Baxi Combi Instant 80 HE Installation & Servicing Instructions Manual

Table of Contents

Natural Gas2
Table Of Contents3
Legislation4
Description5
Instant Domestic Hot Water (Expansion Vessel & Pre-Heat Store)5
Optional Extras5
Product View5
Introduction5
General Layout6
Appliance Operation7
Central Heating Mode7
Domestic Hot Water - Preheat Mode7
Domestic Hot Water Mode8
Frost Protection Mode8
Pump Protection8
Technical Data9
Dimensions And Fixings11
System Details12
Central Heating Circuit12
System Control12
System Filling And Pressurising13
Expansion Vessel (Central Heating Only)13
Pressure Relief Valve13
Domestic Hot Water Circuit14
Showers14
Hard Water Areas14
Site Requirements15
Location15
Clearances15
Ventilation Of Compartments16
Gas Supply16
Electrical Supply16
Condensate Drain17
Flue18
Terminal Position With Minimum Distance18
Flue Dimensions19
Flue Trim19
Terminal Guard19
Flue Options20
Installation21
Flushing21
Preparing The Boiler21
Fitting The Boiler22
Fitting The Pressure Relief Discharge Pipe22
Fitting The Flue23
Making The Electrical Connections25
Preliminary Electrical Checks25
Commissioning The Boiler26
Checking The Burner Pressure27
Completion28
Servicing The Boiler29
Annual Servicing29
Changing Components31
Fan31
Pressure Switch31
Heat Exchanger32
Burner32
Injectors33
Electrodes33
Insulation33
Gas Valve34
Central Heating Temperature Sensor34
Safety Thermostat34
Dhw Temperature Sensor34
Pump - Head Only35
Pump - Complete35
Automatic Air Vent35
Pressure Gauge36
Expansion Vessel & Pre-Heat Store36
Condensate Trap36
P.c.b.37
Selector Switch37
Plate Heat Exchanger38
Diverter Valve Assembly38
Flow Regulator39
Secondary Heat Exchanger40
Flue Overheat Thermostat40
Illustrated Wiring Diagram41
Fault Finding42
Fault Finding Solutions46
Short Parts List49
Gas Fired Wall Mounted Condensing Combination Boiler53
Warnings56
In An Emergency56
In Case Of Gas Leaks56
Electricity Supply56
Instant Domestic Hot Water57
Facia Panel57
Operating The Boiler58
Temperature Control59
Flame Failure Reset59
Safety Thermostats60
Air Flow Monitor60
Pump Fault Or Low Pressure60
Sensor Fault / Pump Protection60
Central Heating System Pressure61
To Shut Off The Boiler61
Clearances And Check List62
Cleaning The Outercase63