Installation, Commissioning,
Programming & User Information
For Water Softener Models:
SF 10 Litre Timed & SF 12 Litre Metered
These instructions are designed to give you the customer a complete understanding of how to locate, install, programme and
obtain trouble-free running of your water softener.
Whether you intend to install the unit yourself or obtain the services of a tradesman, please spend a few minutes reading through
this booklet and the other enclosed details. It will give you a complete understanding of the "SOFT WATER WORLD" that you are
about to enter. PLEASE RETAIN FOR FUTURE REFERENCE.
FIG. 1
Softened
water
By-pass valve
shown closed
Non-return
check valve
Hard water
to
drinking
and/or outside
garden tap
Incoming rising
main (Hard water)
LOCATION
The water softener should be located as close as practicable to the incoming cold rising main supply. Very often (but not always)
this main is in the kitchen or utility room. Sometimes the main rises in a downstairs cloakroom, under the stairs, or in the
garage. In most cases the softener can be sited in any of these locations as well as outside (with a suitable frost protection
cabinet) or even in the loft space.
If you are planning to install the water softener above ground level, e.g. in the loft, the following instructions should be strictly
adhered to. The water softener should be installed within a container of not less than 113.65 Litres (25 gallons) capacity, to
which there shall be connected an overflow pipe not less than 19mm (3/4 inch) in diameter. The overflow shall be connected not
less than 152.4 mm (six inches) below the height of any electrical components mounted on the softener. Where necessary the
water softener and any additional pipework should be adequately lagged to prevent damage by freezing.
Requirements for Installation of the Water Softener.
Mains Water Supply 25-70 p.s.i. (1.75-5 Bar) pressure.
A waste and overflow connection.
ON
OFF
Pipework sized to suit
installation requirements
(flexible hoses are provided
for your convenience)
Outlet valve
shown open
Inlet valve
shown open
Bend to
Outside
Pressure limiting
valve (if required)
Existing stop-cock
•
Optimum pressure is 60 p.s.i. (4 Bar).
•
•
An electrical point.
OUT
IN
Drain
hose
Overflow
Brine Cabinet
Access for salt filling and service.
October 2003 Part# SFINST
Fixing clip
Air gap
Hidden
Detail
Existing or
new "Trapped"
Stand Pipe or to
External Gully
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