Xylem IM223 R04 Hydrovar Pump Control - Manual (Page 52)

52
G
G
G
G
0285
0285 SKIPFRQ CTR
Skip frequency start point
0.0 Hz
Possible settings: f
min
- f
max
0286
0286 SKIPFRQ RNG
Skip frequency range
0.0 Hz
Possible settings: 0.0 – 5.0 Hz
0290
0290 CURR. LIMIT
Current limit functionality
OFF
Possible settings: OFF - ON
0291
0291 CURR. LIMIT
Current limit
100 %
Possible settings: 10.0 - 100 %
Previous parameters [0285] - [0291] are limited for power ratings starting from 7.5kW with production date
05/08 and control board software V01.3 → otherwise they are not visible and therefore not active.
0300
0300 suBMenu
reGulation
0305
0305 JOG 0.0Hz
Both the current output frequency and actual value are shown.
X.XX PSI
• By pressing ▲ or ▼ in this menu, the internal controller of the HYDROVAR is deactivated and it changes
to manual mode.
• Using the ▲ and ▼ buttons any constant speed can be set without further control to achieve the set
point!
• If this value becomes 0.00 Hz the HYDROVAR stops.
• As soon as the window is left by pressing or , the HYDROVAR returns to the selected mode.
0310 0310 WINDOW
Hysteresis Window
5%
Possible settings: 0 – 100% of required value
• Determines the width of the set point hysteresis window.
• For steep pump-curves and closed loop systems ~20-30%.
0315
0315 HYSTERESIS
Hysteresis for ramp switching
80%
Possible settings: 0 – 100%
• Determines the percentage of the hysteresis window, at which the ramps change from slow to fast.
• For an accurate control (without automatic shut-off) ~99%, e.g. constant flow control.
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