Beretta SC ACS 160 E, Руководство пользователя

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17
ENGLISH
a
Never under any circumstances dispose of the controller with ordinary household refuse. Dispose of the controller
only at designated collection points or return it to the dealer or manufacturer.
b
The manufacturer declines all responsibility for damage caused by failing to ground the product adequately or by
failure to respect the wiring diagrams provided in this manual.
PRIMARY CIRCUIT FILLING PROCEDURE
b
Fill and bleed the primary circuit with the water at ambient temperature.
- Set the controller for operation in manual mode (see parameter 4.2).
- Switch on relay R3 to open the mixer valve and switch on relay R6 to run the primary circuit pumps.
- Open the vent valve.
- Pump water around the circuit for 2 minutes.
- Switch on relay R1 to open the storage tank middle valve (double return variant)
- Pump water around the circuit for 2 minutes.
- Close the vent valve.
- Set the controller for operation in automatic mode (see parameter 4.1).
PUTTING INTO SERVICE
Circuit filling and putting into service must only be done by qualified personnel.
Fill and bleed the primary and secondary circuits and check for leaks before putting the unit into service.
- Check that the ring nuts of all the water fittings are tight.
- Open the cold water and hot water shut-off valves slowly in order to avoid pressure surges.
- Fill the system and check it for water tightness.
- All fittings are assembled in the factory. It is nevertheless advisable to check their tightness after installing the product.
It is also necessary to test the product for water tightness at operating pressure when putting it into service.
- Power on the unit.
- Bleed the system as follows:
- Open a hot water tap near the unit.
- Bleed the primary (storage cylinder) circuit by means of the vent valve normally located at the highest point in the
circuit.
- Continue until all the air has been bled from the system.
b
Persistent water circulation noises from the pump indicate that there is still air in the circuit.
- Close the unit’s inspection doors.