en – Original Instructions
22
SCUBA DRY – Additional Installation, Operation and Maintenance Instructions
Float switch adjustment
If present, the float switch controls the automatic start and stop of the unit. To change its
action:
1.
Loosen the floater adjustment clip screw.
2.
Adjust the length of the float switch cable based on the desired minimum and maximum
levels:
•
Short: decrease the distance between minimum and maximum level, more frequent
starts and stops.
•
Long: increase the distance between minimum and maximum level, less frequent starts
and stops.
3.
Tighten the screw.
Tightening torque: 1.5 Nm (13 lbf·in).
NOTICE:
The float switch cable length must not be less than 19 cm (7 in).
4.4
Electrical connection
DANGER:
All the hydraulic and electrical connections must be completed by a technician possessing the
technical-professional requirements outlined in the current regulations.
DANGER: Electrical hazard
Before starting work, check that the power supply is disconnected and locked out, to avoid
unintentional restart of the unit, the electronic drive and the auxiliary control circuit.
4.4.1
Ground
DANGER: Electrical hazard
Always connect the external protection conductor (ground) to the ground terminal before
attempting to make any other electrical connections.
DANGER: Electrical hazard
Connect the pump unit and any electric accessories to a socket with protection conductor
(ground).
