Name: IDEAL LOGIC+ SYSTEM2 S15
Brand: IDEAL
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When replacing any part on this appliance, use only spare parts that you can be assured conform to the safety and performance

speciﬁcation that we require. Do not use reconditioned or copy parts that have not been clearly authorised by Ideal Heating.

For the very latest copy of literature for speciﬁcation and maintenance practices visit our website idealheating.com

where you can download the relevant information in PDF format.

July 2022

UIN 228294 A02

INSTALLATION

& SERVICING

LOGIC+ SYSTEM

S15 S18 S24 S30

Table of Contents5
Section 1 - General6
Introduction8
Operation8
Safe Handling8
Optional Accessories8
Safety8
Safe Handling of Substances9
Location of Boiler9
Air Supply10
Gas Supply10
Water Circulation System10
Boiler Controls10
Electrical Supply10
Condensate Drain10
Boiler Dimensions, Services & Clearances11
System Requirements - Central Heating12
System Balancing13
Water Treatment13
Section 2 - Installation14
Boiler Assembly - Exploded View14
Unpacking15
Wall Mounting Template16
Preparing the Wall16
Fitting the Wall Mounting Plate16
Mounting the Boiler16
Flues and Locations17
Flues and Locations - Continued18
Horizontal Flue Positions19
Vertical Flue Positions19
Flue System Dimensions20
Fitting the Turret20
Cutting the Flue21
Assembling the Vertical Flue22
Condensate Drain23
Condensate Drain - Continued24
Connections & Filling25
Electrical Connections25
Installer Wiring26
Installer Wiring Continued27
Replacing Pre-Fitted Mains Cable27
Electrical Controls27
Wiring Diagram28
Commissioning and Testing29
Initial Lighting30
User Interface Commissioning31
Changing Boiler Operating Mode31
Menu Operation32
Maximum and Minimum Rates32
General Checks33
Restart Procedure34
Handing over34
Section 3 - Servicing35
Servicing Schedule35
Removal / Replacement of Components36
Draining the Boiler36
Boiler Front Panel Removal / Replacement37
Flue Manifold Removal/Replacement37
Fan and Venturi Assembly Removal and Cleaning38
Burner Removal and Cleaning39
Cleaning the Heat Exchanger39
Ignition / Detection Electrode Replacement / Inspection40
Cleaning the Condensate Trap40
Burner Injector Replacement41
Burner Replacement41
Return Thermistor Replacement41
Spark Generator Replacement42
Gas Control Valve Replacement42
Condensate Trap Replacement / Cleaning42
Pressure Gauge Replacement43
PRV Replacement43
Primary PCB Replacement44
Pump Automatic Air Vent Replacement45
Pump Head Replacement45
Water Pressure Switch Replacement46
Flow Thermistor Replacement46
Expansion Vessel Recharging & Replacement47
Heat Engine Replacement48
Section 4 - Fault Finding49
Main Menu, Fault Help49
Overheat Lockout49
Ignition Lockout50
Flame on before Gas Valve on50
Low Water Pressure50
Flame Loss51
Fan Fault51
Flow Thermistor Fault52
Return Thermistor Fault52
Outside Sensor Fault53
No CH Operation53
No DHW Operation54
No Display54
Section 5 - Spare Parts55
Section 6 - Benchmark & Commissioning56

IDEAL LOGIC+ SYSTEM2 S15 User Manual

Table of Contents

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IDEAL LOGIC+ SYSTEM2 S15 Specifications

Related product manuals

Brand	IDEAL
Model	LOGIC+ SYSTEM2 S15
Category	Boiler
Language	English