GE 255 Regeneration Modes for Parallel Systems, P16 = Priority Flow Continuous Efficiency

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Regeneration Modes for Parallel Systems

Parameter P16 is used to determine the method for demand initiated regeneration. Four regeneration modes are possible.

•P16 = 0, Delayed Regeneration with a Smart Reserve Regenerations will start only at the Time of Regeneration entered in P2. A tank is regenerated if the capacity remaining in that tank is below the minimum required capacity needed to meet the next days calculated water usage requirement. The next days water usage number is based on the daily average water usage held in memory plus a 20% reserve. If necessary both tanks will be regenerated sequentially beginning with the most exhausted tank. This option allows the control to vary the reserve, and therefore the decision to regenerate, based on the actual daily water usage pattern for the location at which it is installed. See Table 5.

•P16 = 1, Delayed Regeneration with a Fixed Reserve Regenerations will start only at the Time of Regeneration entered in P2. A tank is regenerated if the capacity remaining in that tank is below the percentage entered in P17.

If either tank’s capacity is overrun by 50% a regeneration will take place. The control will also cause both tanks to be regenerated sequentially the next Time of Regeneration regardless of how much water is used during that 24 hour period. This feature is to help recover a severely exhausted bed. See Table 6.

•P16 = 2, Immediate Regeneration - Fixed Reserve/DelayedRegeneration- Smart Reserve This option uses the features of both option 0 and option 3. This is the most versatile of regeneration options. Option number 2 provides all the advantages of variable reserve based on the actual amount of water that is used each day plus the capability to react to the excessive water usage days that occur occasionally. See Table 7.

•P16 = 3, Immediate Regeneration - Fixed Reserve Regenerations are started immediately when a tank reaches zero or when the system capacity remaining (capacity remaining in both tanks) drops below the reserve capacity programmed in P17. To prevent hard water this reserve should be set large enough to provide conditioned water during the regeneration of the most exhausted tank. See Table 8.

Table 5 P16 = 0

Priority

Flow

Continuous

Efficiency

Rate

Soft Water

 

 

 

 

 

 

High

•

 

 

 

 

 

 

Ave

 

•

•

 

 

 

 

Low

 

 

 

 

 

 

 

Table 6 P16 = 1

 

 

 

 

 

 

Priority

Flow

Continuous

Efficiency

Rate

Soft Water

 

 

 

 

 

 

High

•

 

 

 

 

 

 

Ave

 

•

 

 

 

 

 

Low

 

 

•

 

 

 

 

Table 7 P16 = 2

 

 

 

 

 

 

Priority

Flow

Continuous

Efficiency

Rate

Soft Water

 

 

 

 

 

 

High

 

•

 

 

 

 

 

Ave

•

 

•

 

 

 

 

Low

 

 

 

 

 

 

 

Table 8 P16 = 3

 

 

 

 

 

 

Priority

Flow

Continuous

Efficiency

Rate

Soft Water

 

 

 

 

 

 

High

 

•

•

 

 

 

 

Ave

 

 

 

 

 

 

 

Low

•

 

 

 

 

 

 

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Contents Models LockoutPage Table of Contents Safety Information Front How To Use This ManualBack Location Selection Outdoor LocationsUnconditioned water Conditioned water out Location Selection InstallationWater Line Connection Brine Line Connection Drain Line ConnectionBrine Tank Overflow Line Connection Brine Tank Electrical ConnectionVAC AC Adapters Disinfection of Water Conditioning Systems System Operation Power Loss Memory Retention Camshaft Cycle PositionsValve Disc Location/Function Control OperationDisplay Icons & Cursors X100Keypad Buttons Programming ConventionsPower-up the Control Placing Water Conditioning System Into OperationRemove air from tanks Preprogrammed Valves TypeResin Volume 0.25 ft3 and 5 Liter Steps MetricScreen Buttons to Description Quick Cycling the Control 255L and 255P Quick Cycling the Control for 255A Systems Fully OperationalTo Place the 255 Alternating System into Operation C8 Regenerant Refill Quick cycle to Service Service Display Programming OverviewLevel I Programming Logix 764 Electronic Multi-Tank a Alternating ControlDescription Range Minimum Default Units Level II Programming P ValuesProgramming the Lockout Feature Salt SettingSalt Setting Exchange Capacity 255 ValveDescription Range Minimum Default Level lll Cycle Programming C ValuesLevel IV Viewing History H Values Program ResetHistory Data Description Range Delayed Manual Regeneration Delayed Second RegenerationManual Regeneration Options Immediate Manual RegenerationRegeneration Modes for Parallel Systems P16 = Priority Flow Continuous EfficiencyHigh Ave Low P16 = High Ave LowWiring Diagrams Remote Regeneration StartConnecting the Logix 764 Multi Single Tank Control Parts Lists Exploded View & Parts ListDescription Qty NumberBypass Bypass Valve and Turbine AdapterTurbine Adapter Part Description Qty Manifold Kits Troubleshooting Controller Error Codes & 255 L with Check Salt LightSystem Troubleshooting Problem Possible Cause SolutionReset control and program resin volume Page Page Copyright 2007 General Electric Company P/N 3019624 Rev a

255 specifications

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