oventrop DN 25 Manual De Instrucciones página 4

1.5 Lead cable of the pump downwards and connect to the
control unit according to the installation instructions of the
manufacturer of the solar energy installation.
1.6 Flush solar installation thoroughly, then fill it with solar liquid
and carry out leakage test. Adapt flow volume to the num-
ber of collectors or to the collector surface via the phases
of the circulation pump. If required, the fine adjustment is
carried out by using the ball valve of the flow measuring
device.
1.7 The back insulation shells (4 and 5) are pushed in from the
left and right hand side and the front insulation shell (3) is
pulled over it. The supply and return pipe are to be insu -
lated up to the thermal insulation.
Flow chart:
Flow meter:
4
·
Flow rate V [l/s]
Flow measurement
display
Assembly dimensions for pump 130 mm,
( )-Assembly dimensions for pump 180 mm
250
248
G 1
G 1
100
180
G 1
G 1
Technical data:
Max. excess working pressure:
Max. working temperature:
Safety valve:
Opening pressure
of the check valves:
Flow measuring device:
G 1
G 1
6/10 bar (PN 10)
120°C
6 /10 bar
20 mbar
1-6 / 2-15 / 7-30 l/min.