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Fig. 4
90°
80°
70°
60°
50°
West
S.W.
less than optimum by
Solarflo - Solar Thermal Domestic Hot Water System
North
Angle of tilt
90°
80°
70°
60°
50°
40°
40°
30°
30°
20°
20°
10°
10°
S.E.
South
0-5%
5-10%
2.0
Collector panels must be connected in series.The left
hand connection is threaded
connection has a
enables the panels to be directly connected to each
other. N.B. ensure the sealing washer provided is inserted
between the male and female connections. All connecting
pipe work and fittings must be of a suitable metal; either
copper, brass or stainless steel. Soft soldered joints must
not be used. Any seals or sealing compounds must be
resistant to temperatures of up to 150°C and be
resistant up to a 50% glycol/water mix.
East
Connections
When tightening the connections, always apply
counter-pressure with a wrench or another spanner to
prevent damage to the absorber.
Collector inclination
The mounting frame will mount the collector panels at
an angle of 45°.The frame should be orientated such that
the collector panel(s) ideally face South, however
orientations between 30° East and 40° West of South are
acceptable. Fig. 4 shows the efficiency loss for varying
angles of inclination and panel orientation.
Solar fluid
10-20%
The Baxi Solarflo collector panels MUST be protected
with a water/glycol heat transfer fluid. Use only the fluid
supplied with the system which is supplied pre-mixed to
a concentration of 40% glycol / 60% water.Top ups can
be made with water but the glycol concentration must
not be allowed to fall below 30% or inadequate frost
protection will be given. Systems found to have lower
glycol concentrations will not be covered by the warranty.
Installation of solar collector
3
⁄
"BSP male.The right hand
4
3
⁄
"BSP female union connection.This
4
9
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