Specifications

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Gonnection of heating
system
Fledirtg
syslem flow
and
return
should
be in
2. rrtn
copper
pipe
and connected
to
the
cqrtecting
group
as
shown in fig.
9.
Ftl
lhe heating system
and test for
soundness.
4.3.4 Pressure relief valve
and overflow
The
pressure
relief
valve, required
for
a sealed
system, is included into
the
connecting
group.
-
Screw
in
the
overflow
(4)
below
the
pressure
relief valve into
the
drain line.
(To
be availableas
an optional
extra.)
I
4.4 Fitting
the appliance
Close service cocks
(5),
unscrew
union nuts
(6)
and
take
off the
olive-shaped
plastic
plugS.
Refit union nuts
(6)
with
brass'compr6ssi-on
rings
(7).
Close mains water
service
cock
(8)
and unscrew
the union nutF
(9).
*-A-6