Keston C36 Installation Manual download pdf (Page 12)

For Timber Framed Buildings, British Gas Publications DM2. Also British Gas

Publications 'Guidance Notes For The Installation Of Domestic Gas Condensing

Boilers' and 'Specification For Domestic Wet Central Heating Systems'.

In IE, the installation must be carried out by a competent person and installed in

accordance with the current edition of IS813 “Domestic Gas Installations”, the current

Building Regulation and reference should be made to the current ETC1 rules for electrical

installations.

No alterations should be made to the boiler without written permission from KESTON

Heating. Any unauthorised modification will invalidate the warranty and may affect the

safe and efficient operation of the boiler.

2.4 PHYSICAL DATA - C36 COMBI & C36P COMBI

Cabinet Height mm 840

Cabinet Width mm 450

Cabinet Depth mm 300

Top Clearance mm 150

Side Clearance mm 5

Base Clearance mm 100

Front Clearance (for servicing) mm 300

Weight - Full kg / (lbs) 50/(110)

Weight - Empty kg / (lbs) 45/(99)

Flow and Return Connection (using pre-installation jig) 22mm Compression

DHW and CWS Connection (using pre-installation jig) 15mm Compression

Gas Connection 15mm Compression

Condensate Connection overflow 22mm plastic

Safety Valve Connection discharge 15mm copper

IP Rating IP20 (IPX0)

Flue and Air Intake Material

50mm muPVC (BS5255 and/or BSEN1566-1 and BSEN1329)

Flue Pipe Size (nominal bore) mm / (in) 50 / (2)

Air Intake Pipe Size (nominal bore) mm / (in) 50 / (2)

Max. Air Intake Length m 39

Max. Flue Outlet Length m 20*

Max. Total Flue Outlet and Air Intake Length m 40

* Flue lengths between 16 and 20m will create a 1% reduction in DHW output.

Flue and Air Intake Material

75mm Keston Composite

Flue Pipe Size (nominal bore) mm / (in) 75 / (3)

Air Intake Pipe Size (nominal bore) mm / (in) 75 / (3)

Max. Air Intake Length m 117

Max. Flue Outlet Length m 60**

Max. Total Flue Outlet and Air Intake Length m 120

** Flue lengths between 48 and 60m will create a 1% reduction in DHW output

2.5 OPTIONAL ACCESSORIES

A range of accessories are available from KESTON Heating to compliment an

installation. Terminal wall sealing collars are available to make good the external all face

whilst working from the inside of the building using 50mm muPVC (BS5255 and/or

BSEN1566-1 and BSEN1329) pipe. Stand-off frames are available to leave a 50mm gap

behind the boiler to allow routing of pipes behind the boiler.

WD388/0/2004 Chapter 2 : General Instruction The Keston C36 Combi & C36P Combi Boilers

Installation & Servicing Instructions Page : 7

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Keston C36 Installation Manual Page 12

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