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3.5 Pipe installation
The product is designed to be permanently con-
nected to the mains water supply. Approved pipes
of the correct size should be used for installation.
The relevant standards and regulations must be
followed.
Product
CW
1/2" / ø15
1/2" / ø15
SC 150 -
mm ring
mm ring
300
clamp
3.5.1 Incoming water pressure
The efficiency of the product depends on the in-
coming cold water pressure. The water pressure
should be min. 2 bar and max. 6 bar throughout
the day. Excessive water pressure can be adjusted
by installing a pressure reduction valve.
3.5.2 Fitting cold and hot water pipes (CW-HW)
and overflow pipes
A) Turn the mixer valve to the desired position.
• Tighten ring clamp to the cylinder (see
3.5.3)
B) CW/HW pipes of suitable size run to mixer
valve and tightened (see 3.5.3)
• With larger pipes, a reducer with 1/2
"inside thread may be used.
C) Overflow pipe (1) > 18 mm. inside can be
run to safety valve
• Connected to waste, 3/4" inside thread.
• Clear, undamaged and frost-free with a
fall to the drain.
3.5.3 Connection to coil
The product comes with two pipe elbows with
ø22 mm ring clamp connection to the coil (4).
The elbows have pipe connection with 3/4" in-
side thread for pipes to/from coil. Fit pipes of
suitable material/quality and tighten the ring
clamps.
3.5.4 Connection to solar heating/hot water/
HW circulation/sensor slot
SC comes with a sensor slot (ø8 mm internal)
factory-fitted to the connector (3). This is in-
tended for a temperature sensor, e.g. to con-
trol an external heat source to the coil. The
sensor slot can be removed if the connector is
to be used for a different function.
8
Over-
Sun / hot
HW
flow (2)
water (3)
3/4"
1/2"
internal
internal
clamp
4
Coil (4)
3/4"
3
smooth
The product can be heated with water from so-
lar collectors. OSO can supply a pack to cater
for alternative energy sources, which prioritis-
es solar heat over the electric heating element.
The product comes with a PT 10 bar/99°C pres-
sure and temperature valve factory-fitted (5).
3.5.5 Torque settings
Component
Ring clamp connection to CW/HW (ø15)
Ring clamp connection to cylinder (ø22)
360°
2
1
1
4
5
Torque
40 Nm (+/- 3)
60 Nm (+/- 5)
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