27
Installation and Servicing
SECTION 2 - INSTALLATION
Boiler
with 75mm
sealed
condensate
trap
Min Ø 19mm
Internal pipe
Min Ø 30mm
Internal pipe
Water/Weather
proof insulation
Max 3m external
pipework
Limestone
chippings
≥ 500
≥ 300
≥ 25
75
2 rows of three Ø12mm holes
25mm centres, 50mm from
the bottom of the tube, facing
away from the house
Connection of a Condensate Drainage Pipe to an External
Purpose Made Soak Away.
2.18 CONDENSATE DRAIN
This appliance is tted with a siphonic 75mm condensate trap
system that requires lling before operating the appliance for the
1st time or after maintenance.
All condensate pipework should conform to the following:
a. Where a new or replacement boiler is being installed, access
to a suitable discharge point should be one of the main factors
considered in determining boiler location.
b. Plastic with push t or solvent connections.
c. Internal plastic pipe work a minimum of 19mm ID (typically
22mm OD)
d. External plastic pipe must be a minimum of 30mm ID (typically
32 OD) before it passes through the sleeved wall.
e. All horizontal pipe runs, must fall a minimum of 45mm per metre
away from the Boiler.
f. External & unheated pipe work should be kept to a minimum
and insulated with waterproof pipe insulation in areas where
freezing temperatures may occur.
g. All installations must be carried out in accordance with local
laws and regulations - ie condesate must not drain to storm
water.
h. Pipe work must be installed so that it does not allow spillage
into the dwelling in the event of a blockage (through freezing)
i. All internal burrs should be removed from the pipe work and any
ttings.
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