Page 3
CONTENTS
1 USER INSTRUCTIONS ......................................................................................................... 8
1.1 Dual Thermostat – Non-Combination Boilers .............................................................................. 8
1.2 Burner Lockout ........................................................................................................................... 8
1.3 System Pressure – System & Combination Boilers .................................................................... 9
1.4 Filling Loop ............................................................................................................................... 10
1.5 Corrosion Inhibitor .................................................................................................................... 11
1.6 Control Panel – Combination Boilers ........................................................................................ 12
1.7 LCD Icon Descriptions .............................................................................................................. 13
1.8 Home Screen ........................................................................................................................... 14
1.9 Setting the date and time .......................................................................................................... 15
1.10 Setting CH flow temperature .................................................................................................... 16
1.11 Setting DHW flow temperature ................................................................................................. 17
1.11.1 Multiple DHW Setpoints ...................................................................................................................... 17
1.12 Eco Mode ................................................................................................................................. 18
1.13 Frost Protection (Ice Protection function) .................................................................................. 19
1.14 Circulating Pump and Diverter Valve Exercise Functions ......................................................... 19
1.15 Speed adjustment of the circulating pump ................................................................................ 19
1.15.1 Combination Boilers ............................................................................................................................ 19
1.15.2 Pumped and System Boilers .............................................................................................................. 19
1.16 Information Menu ..................................................................................................................... 20
1.17 User Parameters ...................................................................................................................... 21
1.18 Weather Compensation Operation ........................................................................................... 22
2 CONDENSING BOILER INSTALLATION REQUIREMENTS ............................................. 23
3 BEFORE FITTING A COMBINATION BOILER THE INSTALLER MUST CHECK: ........... 24
4 GENERAL INFORMATION ................................................................................................. 25
4.1 Introduction .............................................................................................................................. 25
4.2 General Requirements ............................................................................................................. 25
4.3 Combination Boiler General Requirements............................................................................... 26
4.3.1 Pump Overrun ................................................................................................................................... 26
4.3.2 Diverting Valve Operation ................................................................................................................ 27
4.4 Baffle Positioning...................................................................................................................... 28
4.5 Components ............................................................................................................................. 29
4.5.1 B-Series Boilerhouse – Casing & Key Components ..................................................................... 29
4.5.2 I-Series (Internal) Casing ................................................................................................................. 30
4.5.3 I-Series (Internal) Key Components ................................................................................................ 31
4.5.4 I-Series (Internal) Pump Group ........................................................................................................ 32
4.5.5 I-Series (Internal) System Components (SK3) ............................................................................... 33
4.5.6 I-Series (Internal) Combination Boiler - Key Components ........................................................... 33
4.5.7 E-Series (External) Casing ............................................................................................................... 34
4.5.8 E-Series (External) Key Components ............................................................................................. 35
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