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Water Filters Servicing

You are here : Home | Services | Equipment Servicing | Water Filters Servicing


Water Filter Equipment Servicing

IWE Price Promise

Service - Maintenance Packages 
PackageBronzeSilverGoldPlatinum
Planned Service and Maintenance visits per year2 or 42 or 42, 4 or 62, 4 or 6
Electronic reports emailed direct to 2 addresses
Breakdown response time (Hours)482424 or 1224, 12 or 6
Breakdown callout charge coveredNoNoNo
Breakdown callouts discountedNoNo
Annual consumables pack includedNo
Spare parts used and annual consumables includedNoNoNo
Discounted consumablesNo
24 Hour tech support telephone number
Site specific reports and equipment history records issuedNo
Service Package Optional Extras
Optional ExtrasBronzeSilverGoldPlatinum
Annual Resin Analysis
Spares Holding Facility
Media Replacement
Resin Analysis
RO Membrane Cleaning
Disinfection and Sanitisation

Water Filter Typical Service Schedule

(Please note that this is a typical specification and Industrial Water Equipment Ltd provide site specific service schedules for your sites specific requirements)

Routine Service On each Routine Service the following actions will be carried out;

1. Site Compliance

  • Contact responsible person. Advise purpose of visit.
  • Obtain any necessary permits for access to site and/or work area.
  • Agree protocol for interrupting electrical and water supply to water filtration equipment.
  • Wear PPE/safety clothing in accordance with site and IWE standards.
  • Display any necessary notices or safety signs advising of work being carried out.
  • Restore electrical/mechanical services and water supplies upon completion of work.
  • Remove any safety signs and leave work area in a satisfactorily clean and tidy condition.
  • Obtain responsible person’s signature on IWE documentation and service report.
  • Return permits and leave site.

2. Records

  • Examine last reports and site records to establish performance of water filter since last service visit.
  • Record and discuss any variation in raw water and treated water quality and establish reason for any variance from last service visit.
  • Confirm treated water volumetric parameters and quality requirements.

3. Water Quality

  • Analyse the quality of the raw inlet water to water filter and record.
  • Analyse the quality of the outlet water from water filter vessel(s) and record.
  • Analyse of any stored treated filtered water quality and record.

Take sample of :

  • Raw inlet water to filtration system.
  • Outlet water from filter vessel(s).
  • Any stored filtered treated water.

4. Mechanical Checks

  • Inspect general condition of water filter-associated ancillaries and check for any leaks.
  • Examine all electrical connections for any wiring faults and for evidence of overloading.
  • Check the operation of any level controls and check satisfactory flow results.
    For Time Clock water filter models check and record time set points and regeneration frequency. Compare to previous visit.
  • For Water Meter water filters (or similar) models check and record water meter setting. Compare to previous visit.
  • If an outlet water meter is installed check water flow and volume used. Compare to previous visit.
  • If pressure gauges are fitted to the water filter at check static and dynamic pressure before and after water filters. Record pressure drop. Advise engineer if filter inlet pressure is within limits for satisfactory and safe water filter performance.
  • When pressure gauges are not fitted, but suitable installation points exist, install temporary pressure gauge(s) and •complete as much of  step4.7. as is practical.


5. Regeneration

  • Check condition backwash water holding tank and any associated equipment.
  • Check water level and probes etc in backwash holding tank.
  • Initiate test regeneration on water filter. Record stage times.
  • Check operation of safety valve, where fitted.
  • Check for media loss from water filter vessel during regeneration. Where fitted, check for satisfactory operation of solenoid, i.e. flow to service isolated during regeneration.
  • Analyse chemical quality of outlet water from water softener vessel(s) immediately after regeneration and record.

6. Annual Service

On each Annual Service the following actions will be carried out in addition to those for a Routine Service.

Solenoid Valve(s) (Where Fitted)

Dismantle solenoid valve. Examine and clean thoroughly. Fit new diaphragm if necessary. (For non IWE water filters, all replacement components will be charged in addition to the contract price).

  • Check all operation of water filter Control Valve
  • Dismantle bypass valve, clean thoroughly, grease, re-assemble and re-fit.
  • The water filter Control Valve(s) will be inspected in-situ and examined for wear.
  • When deemed necessary and included in the agreement, the water filter valve will be removed from the media vessel and the bed depth in the vessel(s) will be checked for media loss. (Subject to site survey on non IWE Water softeners).

The  Water filter Control Valve including the injector if present, will be thoroughly cleaned, moving parts greased and re-assembled with the new components supplied in the 12 months Spares Pack. (For non IWE water filters, replacement components will be charged in addition to the contract price).

NOTE: Where the water filter Control Valve(s) incorporate the use of automatic diaphragm valves these will be dismantled, cleaned thoroughly, greased and re-assembled. Should the valve show signs of wear, a recommendation will be made for overhaul at the next service visit. (Subject to site survey on non IWE water filters).

7. Disinfection

When the service includes a disinfection of the water filter media bed(s) the procedure will be carried out in accordance with our disinfection specification – available on request.

8. Return To Service

When the Service Visit, either Routine or Annual, has been completed the water filter will be checked to ensure all components are fully operational.

The filter(s) will be left in an operating condition with inlet and outlet valves open, by-pass valve closed and blending valves if fitted adjusted as appropriate.

All actions, results, recommendations and comments will be recorded on the Engineered Product Service Call Sheet which will be signed by the Service Engineer and the Customer. A copy will be left on site with the customer on completion of the visit.

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