5
icos - Installation & Servicing
GENERAL
CONTENTS
Air Supply....................................................................... 9
Benchmark Commissioning Checklist ..................... 54
Boiler Clearances .........................................................6
Boiler Exploded Diagram............................................ 14
Electrical Connections ............................................... 27
Electrical Supply ........................................................... 9
Electrical Systems Diagrams ....................................30
Extension Ducts - Fitting............................................. 19
Fault Finding................................................................. 45
Flow Wiring Diagram .................................................. 29
Flue Fitting.............................................................. 16-19
Flue Installation Requirements.................................... 8
Gas Safety Regulations ................................................ 7
Gas Supply..................................................................... 8
Initial Lighting .............................................................. 31
Installation ............................................................. 14-32
Mandatory Requirements............................................. 7
Safe Handling ................................................................ 8
Servicing................................................................ 33-44
Short List of Parts....................................................... 49
Terminal Guards............................................................ 8
Thermostatic Radiator valves .................................... 9
Water and Systems................................................ 9-13
Water Connections................................................. 6, 27
Water Treatment......................................................... 13
Wiring Diagrams .........................................................29
icosDestination Countries: GB, IE
Boiler Page
Make and model .......................................................5
Appliance serial no. on data badge...................... 14
SEDBUK No. %.........................................................4
Controls
Time and temperature control to heating............. 30
Time and temperature control to hot water .......... 30
Heating zone valves ..............................................n/a
TRV's .........................................................................9
Auto bypass ..............................................................9
Boiler interlock ..........................................................9
Forall boilers
Flushing to BS.7593.............................................. 13
Inhibitor .................................................................. 13
Central heating mode
Heat input ................................................to be calculated
For assistance see Technical Helpline on the back page
Page
Burner operating pressure....................................n/ a
Central heating flow temp. ...... measure and record
Central heating return temp.... measure and record
For combination boilers only
Scale reducer.........................................................n/ a
Hot water mode
Heat input...............................................................n /a
Max. operating burner pressure.............................. n/a
Max. operating water pressure .............................n/a
Cold water inlet temp ............................................n/a
Hot water outlet temp. ...........................................n/a
Water flow rate at max. setting.............................. n/a
For condensing boilers only
Condensate drain.................................................. 20
For all boilers: complete, sign & hand over to customer
For GB, to comply with Building Regulations Part L1 (Part 6 in Scotland) the boiler should be fitted in accordance with the
manufacturer's instructions. Self-certification that the boiler has been installed to comply with Building Regulations can be
demonstrated by completing and signing the Benchmark Commissioning Checklist.