Astralpool 66636 - Electrical Safety; General Safety; Operation and Maintenance Safety; Safety in Use and Contact with Water

Fountain units
Installation, operation and maintenance manual; Level Control System 19
1 GENERAL SAFETY
1.1 ELECTRICAL SAFETY
- Disconnect the control unit from the power supply before doing any assembly or
maintenance jobs.
- Do not touch or place the control unit in the water while it is connected to the power
supply.
- Connect the control unit to an earth connection. (See Fig. 1)
- Connect the control unit to a power supply with an earth connection, protected by the
following components:
• An RCCB safety switch with a maximum residual current of 30 mA.
• A circuit breaker fuse for a 10 A current.
- Use an H07RN-F type waterproof cable.
1.2 SAFETY IN USE AND CONTACT WITH WATER
- The water in the fountain where the unit is to be fitted must meet the following
conditions:
Characteristics of
the water
Minimum value Maximum value
Temperature
4 °C 35 °C
pH 6.9 7.8
Free residual chlorine 0.5 ppm 2.0 ppm
Total alkalinity (TAC) 80 ppm 120 ppm
Calcium hardness
(CH)
200 ppm 1,000 ppm
Salt level - 2 g/l
Total dissolved solids
(TDS)
- 2,000 ppm
- In the event of cold weather with temperatures below 4 ºC, empty the unit to prevent it
from breaking due to the formation of ice inside it.
- Do not tamper with the factory-fitted waterproof seals. Otherwise, the unit could lose its
warranty.
1.3 OPERATION AND MAINTENANCE SAFETY
- Do not open or handle any of the unit’s components other than those for which
explanations are given in this manual.