1. Use level probe in the well for protection against dry running
First solution: See self learning of dry run
Second solution: do it manually Set P24.13=30%-60%(as per real
empty load current percentage based on
rated current) and P24.14 P24.16 and P23.21
Third solution: If your sensor is digital switch ,just short D4 and
com
Fourth solution: If your float signal is Analog signal, Connect Ai2
and 10V and GND and set P41.00=23 and
P41.03-P41.06
2. How to set minimum frequency ( for example) 30hz and maximum
50HZ
Set P47.05=30HZ and 47.06 to some time and 47.07 to some time.
Please refer to details of P47.05-47.07
Customer service and technical support
1. Pre-sale service
- Listen to any raised needs and technical issues;
- Send relevant technical information and solutions quickly;
- Offer the best solution and quotation for the equipments;
- Provide convenience to visit factory and on-site inspections.
2. Sale service
- Treat very contract seriously, impartially and honestly;
- Implement the contracts on time and in good quality strictly ;
- Free to provide the service(installation, debug, trainning.etc).
3. After-sales service
- 18 monthes warranty in service period, Offer free components.
- After installation and commission, free training for system;
- Fault site: reply within 12 hours, dispatch staff within 3 days if
necessary.
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