Maintenance; 293 Cv / It: General System Inspection; Water Quality; Mechanical Checks - Pentair AUTOTROL MAGNUM 293 Installer Manual

9

Maintenance

Mandatory
Cleaning and maintenance shall take place at regular intervals in order to guarantee
the proper functioning of the complete system, and be documented in the Maintenance
chapter in the User Guide document.
Mandatory
The maintenance and service operation must be done by qualified personnel only.
Failure in respecting this may void the warranty.
Mandatory
This valve must always be mounted with a DLFC.
9.1

293 CV / IT: General system inspection

Mandatory
Has to be done once a year at minimum.
9.1.1

Water quality

1. Check for raw water analysis and filter's targeted contaminants concentration.
2. Check for treated water analysis and compare with raw water data.
9.1.2

Mechanical Checks

1. Inspect general condition of valve and associated ancillaries and check for any leaks, ensure
valve connection to piping is made with adequate flexibility as per manufacturer instruction.
2. Inspection of electrical connections, verify wiring connections and search for evidence of
overloading.
3. Verify settings of electronic timer, verify regeneration frequency, make sure the valve
configuration corresponds to the settings.
4. Check water meter, if present, report water meter settings and compare with previous
inspection.
5. Verify total water consumption compared to previous visit.
6. If pressure gauges are installed before and after softening system, verify and record static
and dynamic pressure, reporting pressure drop. Verify that inlet pressure respects valve and
softening system limits. Make sure dynamic pressure always remain above 1.78 bar to
ensure proper Magnum valve function.
7. If pressure gauges are not present, but suitable points exist, install temporary pressure
gauge(s) to perform precedent point.
Ref. MKT-IM-012 / D - 03.02.2022
Installer manual Autotrol Magnum 293 - 298 Logix 742-762 - Maintenance
69 / 110