Table Of Contents - IDEAL LOGIC+ SYSTEM2 S15 Installation & Servicing

Section 1 - General ..................................................................................... 6
1.1 Introduction ................................................................................... 8
1.2 Operation ...................................................................................... 8
1.3 Safe Handling ............................................................................... 8
1.4 Optional Accessories .................................................................... 8
1.5 Safety............................................................................................ 8
1.6 Safe Handling of Substances ....................................................... 9
1.7 Location of Boiler ......................................................................... 9
1.8 Air Supply. ................................................................................... 10
1.9 Gas Supply ................................................................................. 10
1.10 Water Circulation System ........................................................... 10
1.11 Boiler Controls ............................................................................ 10
1.12 Electrical Supply ......................................................................... 10
1.13 Condensate Drain ....................................................................... 10
1.14 Boiler Dimensions, Services & Clearances .................................11
1.15 System Requirements - Central Heating .................................... 12
1.16 System Balancing ....................................................................... 13
1.17 Water Treatment ......................................................................... 13
Section 2 - Installation .............................................................................. 14
2.1 Boiler Assembly - Exploded View ............................................... 14
2.2 Unpacking ................................................................................... 15
2.3 Wall Mounting Template.............................................................. 16
2.4 Preparing the Wall ...................................................................... 16
2.5 Fitting the Wall Mounting Plate ................................................... 16
2.6 Mounting the Boiler ..................................................................... 16
2.7 Flues and Locations.................................................................... 17
2.8 Flues and Locations - Continued ................................................ 18
2.9 Horizontal Flue Positions ........................................................... 19
2.10 Vertical Flue Positions ............................................................... 19
2.11 Flue System Dimensions ........................................................... 20
2.12 Fitting the Turret.......................................................................... 20
2.13 Cutting the Flue .......................................................................... 21
2.14 Assembling the Vertical Flue ...................................................... 22
2.15 Condensate Drain ....................................................................... 23
2.16 Condensate Drain - Continued ................................................... 24
2.17 Connections & Filling .................................................................. 25
2.18 Electrical Connections ................................................................ 25
2.19 Installer Wiring ............................................................................ 26
2.20 Installer Wiring Continued ........................................................... 27
2.21 Replacing Pre-fitted Mains Cable ............................................... 27
2.22 Electrical Controls ....................................................................... 27
2.23 Wiring Diagram ........................................................................... 28
2.24 Commissioning and Testing ........................................................ 29
2.25 Initial Lighting .............................................................................. 30
2.26 User Interface Commissioning .................................................... 31
2.27 Changing Boiler Operating Mode .............................................. 31
2.28 Menu Operation .......................................................................... 32
2.29 Maximum and Minimum Rates ................................................... 32
2.30 General Checks .......................................................................... 33
2.31 Restart Procedure ....................................................................... 34
2.32 Handing Over.............................................................................. 34
Installation and Servicing
CONTENTS
Section 3 - Servicing ................................................................................. 35
3.1 Servicing Schedule ..................................................................... 35
3.2 Removal / Replacement of Components .................................... 36
3.3 Draining the Boiler ...................................................................... 36
3.4 Boiler Front Panel Removal / Replacement ................................ 37
3.5 Flue Manifold Removal/Replacement ......................................... 37
3.6 Fan and Venturi Assembly Removal and Cleaning ..................... 38
3.7 Burner Removal and Cleaning .................................................... 39
3.8 Cleaning the Heat Exchanger ..................................................... 39
3.9 Ignition / Detection Electrode Replacement / Inspection ............ 40
3.10 Cleaning the Condensate Trap ................................................... 40
3.11 Burner Injector Replacement ...................................................... 41
3.12 Burner Replacement ................................................................... 41
3.13 Return Thermistor Replacement ................................................. 41
3.14 Spark Generator Replacement ................................................... 42
3.15 Gas Control Valve Replacement ................................................. 42
3.16 Condensate Trap Replacement / Cleaning ................................. 42
3.17 Pressure Gauge Replacement ................................................... 43
3.18 PRV Replacement ...................................................................... 43
3.19 Primary PCB Replacement ......................................................... 44
3.20 Pump Automatic Air Vent Replacement ..................................... 45
3.21 Pump Head Replacement ........................................................... 45
3.22 CH Water Pressure Switch Replacement ................................... 46
3.23 Flow Thermistor Replacement .................................................... 46
3.24 Expansion Vessel Recharging & Replacement .......................... 47
3.25 Heat Engine Replacement .......................................................... 48
Section 4 - Fault Finding ........................................................................... 49
4.1 Main Menu, Fault Help ................................................................ 49
4.2 Overheat Lockout ....................................................................... 49
4.3 Ignition Lockout........................................................................... 50
4.4 Flame On Before Gas Valve On ................................................. 50
4.5 Low Water Pressure ................................................................... 50
4.6 Flame Loss ................................................................................. 51
4.7 Fan Fault..................................................................................... 51
4.8 Flow Thermistor Fault ................................................................ 52
4.9 Return Thermistor Fault ............................................................. 52
4.10 Outside Sensor Fault .................................................................. 53
4.11 No CH Operation ........................................................................ 53
4.12 No DHW Operation ..................................................................... 54
4.13 No Display .................................................................................. 54
Section 5 - Spare Parts ............................................................................ 55
Section 6 - Benchmark & Commissioning ................................................ 56
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