Astralpool 25462 Handbuch für Installation und Wartung - Seite 11
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5. Close the connection box, check that the seal is in place and tighten the screws. (FIGURE 6)
• In three-phase pumps, a variable-frequency drive may be installed.
• If a variable-frequency drive is used, installing an output filter is recommended to obtain the right
supply voltage for the motor. This will lengthen the pump's service life.
• Adjust the variable-frequency drive as per the motor's rating plate. Adjusting overvoltages and
overloads is not permitted.
• The variable-frequency drive's switching frequency must be set to values between 4–8 kHz. If out-
side of this range, the pump's service life will be shortened.
• For three-phase pumps, a protection device must be fitted (motor guard circuit breaker with mag-
netothermic protection) in the fixed electrical installation.
3. USE
3.1 OPERATING PRINCIPLE
The filter pump is an essential, core component of any pool, as it is used to circulate the water through
all components, the filter in particular.
Its motor makes the turbine rotate, which pumps the water. The pre-filter basket collects the larger
pieces of debris to prevent the turbine from becoming blocked or damaged.
3.2 OPERATION
• To prevent any risk of explosion that could cause material damage, serious injury or even
death, ensure that the hydraulic circuit is free of obstructions, is not blocked and is not
under high pressure.
• The cover of the pre-filter basket may be closed manually or by using the tool supplied
with the pump.
• Check that the hydraulic connections are securely tightened.
Installation and general maintenance manual
FIGURE 6
- SELF-PRIMING POOL PUMPS
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