Pipe Connections
15
5 Pipe Connections
5.1 Water Connections
The pipework can exit the boiler
enclosure through the pre-cut openings
provided in either side panel to pass
through the wall when installed against
the building. The side flue exit openings
may also be used to route the pipework
and cables through the casing sides
and into the building. See Section 2.5.
A spare blanking plate with a 112mm
diameter hole is supplied with the Vortex
Pro Combi e boilers.
This is intended to provide an opening
into the boiler if a 110mm soil pipe is
used as a pipe duct through the wall.
Alternatively for free standing
installations, pipework can be routed
down and through the pre-cut openings
provided in the base of the enclosure,
to be run underground to the building.
See Section 2.5.
Flow and return connections -
All models are supplied with a push-fit
elbow connection for the heating flow
and return - 22mm (Vortex Pro Combi
21e and 26e) or 28mm (Vortex Pro
Combi 36e).
Hot water connections - All models
are supplied with push-fit elbow
connections for the cold water mains
inlet pipe and hot water outlet pipe.
These are 15mm for the Vortex Pro
Combi 21e and 26e, and 22mm for the
Vortex Pro Combi 36e.
All pipes to be fitted into the push-fit
connectors provided should be cut
using a pipe slicer or pipe cutter - to
leave the pipe ends with a slight
radius and free from any burrs or
sharp edges.
Pipes to be used with these fittings
should not be cut square using a
hacksaw.
!
CAUTION
A drain tap is provided at the bottom on
the front of the boiler (and also on the
hot water store on the Vortex Pro
Combi).
5.2. Making the Water
Connections
Flow and return pipework can be routed
to either side of the boiler, whichever is
adjacent to the building, from the push-
fit elbows (supplied) on the flow and
return connection. Refer to Figure 5-1.
Holes are provided at the base of the
casing side panels to allow the
condensate pipe to be run through at
the rear of the boiler. It will be necessary
to remove the back panel from the
boiler casing to fit this pipework.
All Models
A 15mm discharge pipe must be
connected to the safety valve outlet
connection. The pipework between the
safety valve and the boiler must be
unrestricted, that is, no valves. The
discharge pipe should be run to the
outside of the boiler casing, through
one of the openings provided at the
base of each side panel, and terminate
so that it cannot cause injury to persons
or property.
Figure 5-1: Vortex Pro Combi e pipe positions
Heating flow
connection
Heating circulating
pump
Heating
return
Flow switch
Cold water inlet
isolating valve
Cold water inlet
Automatic air vent
Safety valve
Pressure
switch
Manual
air vent
Primary return
isolating valve
Non return
valve
Automatic
air vents
Boiler flow
sensor and
overheat
thermostat
bulb
Safety valve
outlet
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