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SJE-Rhombus VFDC-4100 Controller User Manual
3.2.6 VFD Setup
Menus
Setup Menu
Contents
Input Range
VFD STOP TIME
Time delay for when the last pump stops after
0 ~ 60 SECONDS
the speed drops to the VFD minimum rate.
VFD MINIMUM RATE
VFD minimum speed output
10 ~ 90%
VFD STOP RATE
The last pump stops when its speed is less than
20 ~ 90%
this set value and the VFD STOP TIME is done.
VFD DISP. TYPE
Display the VFD output value on the main screen.
100%, 60Hz, 50Hz
VFD
VFD AUTO RESET
Reset times after an alarm happened while the
0 ~ 20
VFD was operating.
PIPE FILL
Enable or disable the pipe fill function.
ON, OFF
PIPE FILL RATE
The preset speed the pump will run on start up
10- 90% or VFD min speed
slowly fill the pipes. Runs for the PIPE FILL
TIMER or the SET PRESSURE is reached.
PIPE FILL TIMER
The length of time the pump will run. If the set
5 ~ 600 SECONDS
pressure is reached during this time, the
system will switch to PID immediately.
3.2.7 Protect Setup
Menus
Setup Menu
Contents
Input Range
IDLE PREVENTION
When set to USED, if the lead pump has not ran
USED, NOT USED
for 10 days, the system will automatically run the
lead pump at the minimum operating speed for 60
seconds. Then it will switch lead pump. The same
process will be repeated if the succeeding lead
pump does not run for 10 days etc.
PROTECT
FREEZE PREVENTION
When set to USED, the lead pump will automatically USED, NOT USED
start the VFD minimum output for 30 seconds and
then shift to the next pump when the temperature
is under 32 deg. This will occur when all pumps are
stopped for more than 30 seconds at the same time
PASSWORD USE
See password section for description
USED, NOT USED
PASSWORD
0000 ~ 9999
3.2.5 Sensor Setup
Menus
Setup Menu
Contents
Input Range
SENSOR
TRANSDUCER TYPE
Range Setup of Sensor
29 PSI ~ 720 PSI
SETUP
SENSOR ADJUST
Sensor Offset Value
-72 PSI ~ 72 PSI
