19
Mounting
EN
FloCo-Top-2
3. Mount the suction line into the female thread G
3
/
8
of the housing with a
cylindrical screwed pipe connection G
3
/
8
as per DIN 3852. The tighten-
ing torque is 40 ± 10 Nm.
If you seal the suction line with the enclosed screwed pipe connection,
the tightening torque for Ø 8 mm is 15 ± 5 Nm and the tightening
torque for Ø 10 mm is 20 ± 5 Nm.
4. Use a stiffener in the case of soft or semi-soft copper pipes.
5. Lock with an open ended spanner (spanner size 22) and tighten the
screwed connection at the connection piece.
6. Mount the burner hoses. Before mounting, make sure the sealing sur-
faces are clean and not damaged. The tightening torque is 20 ±5 Nm.
5.4
Pressure test
Verify that the pressure connection is not connected to the product When
subjecting the suction pipe to a pressure test. The integrated check valve
does not allow the pressure to be applied to the suction line.
NOTICE
LEAKING PRODUCT
•
Verify that you use a screwed pipe connection as per DIN 3852 with cylin-
drical thread (G thread) and seal the screwed pipe connection with a flat
gasket or with suitable glue. Do nut use Teflon tape or hemp.
Failure to follow these instructions can result in equipment damage.
NOTICE
INOPERABLE PRODUCT
•
Verify that you do not interchange the flow and return connections.
Failure to follow these instructions can result in equipment damage.
