INSTAFLOW
12
PLUMBING CONNECTIONS
DO NOT use jointing compounds on any pipe
fittings for the installation.
DO NOT use soldered fittings near the unit since
heat can transfer along the pipework and may
damage components.
IMPORTANT: DO NOT install a non-return
valve in the supply pipework to the unit.
Note: An additional stopvalve (complying with
Water Bylaws) MUST be fitted in the mains water
supply to the heater as an independent means of
isolating the water supply should maintenance
or servicing be necessary. If this isolator is fitted
in a loft space, the loft must have a fixed access
ladder and be boarded with appropriate lighting
from the access point to the isolator.
IMPORTANT: Before completing the
connection of the water supply to the inlet of
the unit, flush out the pipework to remove all
swarf and system debris. This can be achieved
by connecting a hose to the pipework and
turning on the mains water supply long
enough to clear the debris to waste.
Procedure
Turn off the water supply either at the mains
stop tap or the isolating stopvalve.
Before connecting the supply pipe to the unit,
ensure the supplied flow restrictor and filter are
in the heater inlet.
Connect the mains water supply to the inlet of
the unit via 1/2" BSP connection.
Connect the hot water pipe to the outlet via
1/2" BSP connection.
Make sure the backplate is square on the wall
and tighten the two retaining screws which hold
it to the wall.
Turn on the mains water supply at the isolating
valve, then fully open the outlet tap until a
smooth flow of water is obtained. Close the tap
and check for leaks in the pipework connection
to the heater.
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