E Lectrical Connections - SIATA Aqua Timer Plus Use And Maintenance Manual

Electrical connections
5.3 –
The electrical connection of the controller must take place conforming to the conditions stated in the diagram CE0027
shown on the attached appendix A.
If the system uses a single hydraulic distributor connected with one or two valves, the relative electrical connections
must conform to that indicated in the diagram CE0028 which is shown on the attached appendix B.
If the system uses a duplex hydraulic distributor connected to one valve each, the relative electrical connections must
conform to that indicated in the diagram CE0021 which is shown on the attached appendix C.
Also follow the instructions shown in par. 6.11 on the connections.
The controller is equipped with free contact outlets with the following signals.
- Dosing pump
- End of cycle impulse
- Impulse during phase 2
- Alarm
- Regeneration in progress
Warning!!
Before carrying out any installation and/or maintenance operation, check that the controller is disconnected from the
power supply.
The supply to the controller must take place in accordance with all that is set out in the Low Voltage directive
(73/23/EEC). Aqua Timer Plus is equipped with a clip for the earth connection.
Protection devices
5.4 –
The controller is protected from current overloads by a 0.6A supply retardant fuse which is assembled on the front
panel. It is also protected against disturbances originating from the electricity supply by filters mounted inside the
controller.
If the version supplied at 24 Vac is used, the fuse is 1A retardant.
An Autoreset circuit intervenes automatically if Aqua Timer Plus stops functioning after particularly strong
disturbances.
Aqua Timer Plus
- 8/34