3
4000123942-2
Important Information 4
Draining and Filling 5
Appliance Introduction 5
Appliance Safety Devices 6
Maintenance and Servicing 6
User Controls and Lighting 7
Analogue Programmer 24ci only 8
Digital Programmer Kit 24ci only 8
Technical Data 1 11
General Information 2 12
Heating System Design 3 13
Domestic Hot Water System Design 24ci only 415
Boiler Schematic 24ci 516
Boiler Schematic 18si 5a 16
Boiler Location, flue and ventilation 6 17
Fixing Jig 7 18
Piping System Installation 8 19
Boiler installation 9 20
Horizontal Telescopic Top Flue Installation 10 21
Horizontal Top Flue Installation 10a 23
Electrical Connection 11 25
Commissioning 12 27
Changing Gas Type 13 29
Bypass Settings 14 29
Routine Cleaning and Inspection 15 30
Fault Finding 16 34
Wiring Diagram 24ci 17 40
Wiring Diagram 18si 17 41
Replacement of Parts 18 42
Spare Parts 19 52
CONTENTS DESCRIPTION SECTION PAGE No.
SERVICING
INSTRUCTIONS
INSTALLATION
INSTRUCTIONS
INSTRUCTION
FOR USE
Contents