en – Original Instructions
16 ecocirc PRO – Installation, Operation and Maintenance Manual
4.3.2 Installation
WARNING: Danger, system pressurized
Before starting work, close the shut
-off valves on the suction and discharge sides or drain
Installation Sequence
1. Identify the arrow, cast on the pump housing to define the flow direction of the liquid.
2. Insert the unit between the pipes, in one of the permitted mounting positions, using the
proper gaskets or thread seal.
3. Tighten the connections.
Permitted positions
5
4.3.3 Rotation of the pump motor
WARNING: Danger, system pressurized
Before starting work, close the shut
-
off valves on the suction and discharge sides or drain the
system.
loosening of the union nut from the pump housing, it is
possible the leakage of
residual
very hot or cold liquid: pay attention to the risk of damages to persons.
ATTENTION:
Be careful not to damage the internal seal: risk of leakage of very hot or cold liquid during the
operation of the unit.
When installing pumps with a potentiometer knob and/or a timer in a vertical position, the pump
motor may be turned in 360° stepless, so that the knob and/or the timer may be positioned in a
well visible orientation (see
Figure 6 on page 17).
1. Loosen the union nut before installation.
2. Rotate the pump motor to the required installation position.
3. Tighten the union nut.
When installing the pump in a horizontal position, the timer shall point upwards. It may be turned
in the range from 10:30 to 13:30 (±45°) at maximum, in order to maintain protection class IP 42
(see
Figure 7 on page 17).