Danfoss VLT FC 102 Operating Instructions Manual

Also see for VLT HVAC Drive FC 102: Operating instructions Service guide Programming guide Installation guide Installation guide

Contents

6.3.23 25-** Cascade Pack ControllerPar.No. #Parameter description Default value 4-set-up Change dur-ing operationConver-sion indexType25-0* System Settings25-00 Cascade Controller [0] Disabled 2 set-ups FALSE - Uint825-02 Motor Start [0] Direct on Line 2 set-ups FALSE - Uint825-04 Pump Cycling [0] Disabled All set-ups TRUE - Uint825-05 Fixed Lead Pump [1] Yes 2 set-ups FALSE - Uint825-06 Number of Pumps 2 N/A 2 set-ups FALSE 0 Uint825-2* Bandwidth Settings25-20 Staging Bandwidth 10 % All set-ups TRUE 0 Uint825-21 Override Bandwidth 100 % All set-ups TRUE 0 Uint825-22 Fixed Speed Bandwidthcasco_staging_bandwidth(P2520) All set-ups TRUE 0 Uint825-23 SBW Staging Delay 15 s All set-ups TRUE 0 Uint1625-24 SBW Destaging Delay 15 s All set-ups TRUE 0 Uint1625-25 OBW Time 10 s All set-ups TRUE 0 Uint1625-26 Destage At No-Flow [0] Disabled All set-ups TRUE - Uint825-27 Stage Function [1] Enabled All set-ups TRUE - Uint825-28 Stage Function Time 15 s All set-ups TRUE 0 Uint1625-29 Destage Function [1] Enabled All set-ups TRUE - Uint825-30 Destage Function Time 15 s All set-ups TRUE 0 Uint1625-4* Staging Settings25-40 Ramp Down Delay 10.0 s All set-ups TRUE -1 Uint1625-41 Ramp Up Delay 2.0 s All set-ups TRUE -1 Uint1625-42 Staging Threshold SR All set-ups TRUE 0 Uint825-43 Destaging Threshold SR All set-ups TRUE 0 Uint825-44 Staging Speed [RPM] 0 RPM All set-ups TRUE 67 Uint1625-45 Staging Speed [Hz] 0.0 Hz All set-ups TRUE -1 Uint1625-46 Destaging Speed [RPM] 0 RPM All set-ups TRUE 67 Uint1625-47 Destaging Speed [Hz] 0.0 Hz All set-ups TRUE -1 Uint1625-5* Alternation Settings25-50 Lead Pump Alternation [0] Off All set-ups TRUE - Uint825-51 Alternation Event [0] External All set-ups TRUE - Uint825-52 Alternation Time Interval 24 h All set-ups TRUE 74 Uint1625-53 Alternation Timer Value 0 N/A All set-ups TRUE 0VisStr[7]25-54 Alternation Predefined Time SR All set-ups TRUE 0TimeOf-DayWo-Date25-55 Alternate if Load < 50% [1] Enabled All set-ups TRUE - Uint825-56 Staging Mode at Alternation [0] Slow All set-ups TRUE - Uint825-58 Run Next Pump Delay 0.1 s All set-ups TRUE -1 Uint1625-59 Run on Mains Delay 0.5 s All set-ups TRUE -1 Uint1625-8* Status25-80 Cascade Status 0 N/A All set-ups TRUE 0VisStr[25]25-81 Pump Status 0 N/A All set-ups TRUE 0VisStr[25]25-82 Lead Pump 0 N/A All set-ups TRUE 0 Uint825-83 Relay Status 0 N/A All set-ups TRUE 0VisStr[4]25-84 Pump ON Time 0 h All set-ups TRUE 74 Uint3225-85 Relay ON Time 0 h All set-ups TRUE 74 Uint3225-86 Reset Relay Counters [0] Do not reset All set-ups TRUE - Uint825-9* Service25-90 Pump Interlock [0] Off All set-ups TRUE - Uint825-91 Manual Alternation 0 N/A All set-ups TRUE 0 Uint86 How to Programme the Low Harmonic DriveVLT HVAC Low Harmonic Drive Operating In-structions144 MG.16.A1.02 - VLT® is a registered Danfoss trademark6