Maintenance; General System Inspection; Water Quality; Mechanical Checks - Pentair AUTOTROL 368 Installer Manual

9

Maintenance

Mandatory
Cleaning, maintenance and service operation shall take place at regular intervals and
must be done by qualified personnel only in order to guarantee the proper functioning
of the complete system.
Report maintenance done in the Maintenance chapter of the User Guide document.
Failure in respecting above instructions may void the warranty!
9.1

General system inspection

9.1.1

Water quality

9.1.1.1 Valve used for softening
1. Raw water total hardness.
2. Treated water hardness.
9.1.2

Mechanical Checks

1. Inspect general condition of softener/filter 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. If water meter is present, verify total water consumption compared to previous visit.
6. If pressure gauges are installed before and after softening/filtering system, verify and record
static and dynamic pressure, reporting pressure drop. Verify that inlet pressure respects
valve and softening/filtering system limits. Verify that pressure drop stay stable year on year,
adapt backwash duration if required.
7. If pressure gauges are not present, but suitable points exist, install temporary pressure
gauge(s) to perform precedent point.
9.1.3

Regeneration test

9.1.3.1 Valve used for softening
1. Check condition of brine tank and any associated equipment.
2. Check salt level in brine tank.
3. Initiate regeneration test.
ð Check brine draw during brine draw stage.
ð Check brine tank refill.
Ref. MKT-IM-007 / D - 09.10.2020
Installer manual Autotrol 368 (604-606) - Maintenance
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