INSTALLATION

23 CONDENSATE DRAIN

INSTALLATION

Refer also to the British Gas document: 'Guidance Notes for the Installation of Domestic Gas Condensing Boilers' (1989).

Front View

Side View

nm8734

Condensate

155mmdrain

The condensate drain provided on the boiler must be connected to a drainage point, preferably within the building.

Ensure that the condensate trap is full of water before commissioning the boiler. Refer to Frame 27.

The routing of the drain must be made to allow a minimum fall of 1 in 20 away from the boiler, throughout its length.

The drainage pipework must be arranged so that obstruction (e.g. through freezing) of external drainage pipe does not give rise to spillage within the dwelling.

IMPORTANT. If excessive external pipework cannot be avoided an additional siphon kit and insulation are recommended, in order to prevent possible freezing.

All pipework and fittings in the condensate drain system must be made of plastic. No other materials may be used.

The drain outlet on the boiler is standard 21.5mm overflow pipe. This size must not be reduced in any part of its length.

A plastic cap is fitted to the end of the condensate drain adapter this must be removed before connection is made.

24 CONDENSATE PIPE TERMINATION CONFIGURATIONS

Note. ALL EXTERNAL PIPE RUNS MUST BE INSULATED - MAXIMUM LENGTH 3M EXTERNAL

1. INTERNAL TO SINK WASTE UPSTREAM OF SINK WASTE

TRAPSink constitutes air break

BOILER

cla7771

75mm trap

2. INTERNAL TO SINK WASTE

BOILER

DOWNSTREAM OF SINK

 

 

 

WASTE TRAP (PREFERRED

 

 

 

 

 

 

METHOD)

 

 

 

Sink

Air Break

cla9252

75mm trap

 

DRAIN

DRAIN

Open end of pipe direct into gulley below grating but above water level

Ground Level

Open end of pipe direct into gulley below grating but above water level

Ground Level

continued . . . .

20

icos - Installation & Servicing

Page 20
Image 20
IDEAL INDUSTRIES HE24, HE18, HE12 Installation Condensate Drain, Condensate Pipe Termination Configurations, Front View

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