Section 4.1 Routine Maintenance Of Z-Series Ro System; Daily Maintenance - GE Osmonics Z-10000 Operation And Maintenance Manual

4.1 Routine Maintenance of Z-Series RO System
GE Osmonics Z-Series RO systems have been designed to operate with a minimum of
operator attention. The RO system will operate longer and with less trouble when
maintenance is performed regularly. Operator maintenance on a GE Osmonics reverse
osmosis system is limited to maintaining performance logs, cleaning and disinfection,
replacement of damaged or failed parts, periodic lubrication, and cartridge filter
replacement. Log sheets are available as tech notes for tracking and recording applicable
operations. Reference Tech Note 140 for an equipment maintenance log.
WARNING:
Prior to performing any electrical maintenance disconnect the RO from power source.
NOTE:
The first part of this section provides the timelines and simple maintenance instructions.
Specific instructions and procedures for the more complex maintenance items are
provided in the second part of this section.
NOTE:
Reference Tech Notes 141, 142, 143, 144, and 145 for applicable record logs.
4.1.1

Daily Maintenance

1. Measure the feed water hardness level and record value in the pretreatment log.
NOTE:
Check the softener output for hardness at the end of the operational day to confirm
adequate softener capacity.
2. Observe and record salt level in the brine tank (if applicable).
3. Observe and record the Chlorine/Chloramine concentrations in the pretreatment
log. Follow the instructions included with each test kit.
WARNING:
Take corrective action or contact your local service representative if any pretreatment
device fails to provide adequate treatment of feed water before continuing with the use of
the RO unit.
4. Observe and record the pre-filter inlet and outlet pressure gauges on the operation
log (Reference Tech Note 142). The difference in the pressure values will help
measure the condition of the filter cartridge. When the pressure differential
increases 10 PSI above that of a clean filter the cartridges may need to be changed
(or sooner if the pre-filter core appears soiled). Reference section 4.2.4, Pre-Filter
Cartridge Replacement Procedure if a change is required.
1238339b – 16Oct03
Z Series RO System by GE Osmonics
4 - 3 Routine Maintenance