Rhymebus RM6F5 series, Operation Manual

Page: 117 / 195

Chapter6 Parameter Description of Pump
117
6
6-5 Pump Protection
Func. Name Description
F_118
Water Shortage Trip
Recovery
=0: Disable
*When the pump suffers from water shortage or
conditions, the pump keeps running.
*Warning: Pump will be easily damaged.
=1: Trip (Fb Lo);Press
“RESET” key to reset
*When the pump suffers from water shortage conditions,
the drive will trip to stop and display .
*Must press OFF
RESET
key to clear the error.
*When the
OFF
RESET
key of the lead drive is pressed, the drive
with following number after the lead drive now becomes
the new lead drive.
=2: Trip (Fb Lo);Power ON again to reset
*When the pump suffers from water shortage conditions,
the drive will trip to stop and display .
*Drive must Power ON again to reset.
=3: Trip (Fb Lo);Drive will auto-restarting according to
the setting of F_122 (Drive Shutdown Time for
Water Shortage)
*When the drive suffers from water shortage conditions,
the drive will trip to stop and display The drive
will auto restart after the setting time of F_122.
F_119
Water Shortage
Detection by
Pressure Level
․
Set the pressure level to detect if pump suffers from
water shortage conditions.
*Detection engages when the drive runs at full speed.
*0: Disable
F_120
Water Shortage
Detection by Current
Level
․ Set the current level to detect if pump suffers from
water shortage conditions.
*Detection engages when the drive runs at full speed.
*0: Disable
F_121
Time of Water Shortage
Detection
․
Set the detection time for F_119 and F_120 to detect
if pump suffers from water shortage.
*0: Disable
F_122
Drive Shutdown Time
for Water Shortage
․
Drive will auto-restart after the time setting, when
pump suffers from water shortage and F_118 is set
to 3.
*Shutdown time interval = F_122
*0: off
Output
frequency
Setting pressure(SV)
or
Output current
F_119 or
F_120
F_121
F_122 F_122 F_122
F_121 F_121 F_121
Fb Lo Fb Lo Fb Lo Fb Lo