Installer Manual Magnum 742-762 - Maintenance
68 / 106 Ref. MKT-IM-012 / C - 25.10.2019
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, and make sure the valve
configuration is appropriate for media and tank size.
4. Check water meter, if present, report water meter settings and compare with previous
inspection.
5. Verify total water consumption compared to previous visit if water meter is present.
6. If pressure gauges are installed before and after filter system, verify and record static and
dynamic pressure, reporting pressure drop. Verify that inlet pressure respects valve and filter
system limits. Verify that pressure drop stay stable year on year, adapt backwash duration if
required. 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 point 6.
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