Chapter V Basic Operation Instructions
141
Parameter
Code
Parameter
Name
Parameter detailed description
Minimum
Unit
Factory
Value Change
alarm set
value
F8.33 set range: 0.0
～
3600.0s
F8.34 set range: 0
～
10000min (0min
indicate there’s no water shortage restart
function)
F8.33
Water
shortage
alarm
detection
time
0.1s
20.0s
○
F8.34
Water
shortage
restart wait
time
1min
0min
○
F8.35
Water
supply
absolute
sleep
detection
time
Set range: 0~3600.0s
0.1s
10.0s
○
F8.36
Delay time
of pump
reduction
in
shutdown
Set range
：
2~240s
1s
2s
○
F8.37
Add and
reduce
pump delay
time
Set range
：
1~36s
1s
5s
○
F8.38
Add pump
action
frequency
Set range
：
Lower limit frequencyz
～
Upper
limit frequency
0.01Hz 50.00Hz
×
F8.39
Reduce
pump
operation
frequency
Set range
：
Lower limit frequencyz
～
Upper
limit frequency
0.01Hz 15.00Hz
×
U0 water pump protection function 2
U0.21
Pump
working
condition
Set range
：
00000~11111
LED unit digit:Pump A status display
LED ten digit:Pump B status display
LED hundred digit:Pump C status display
LED thousand digit:reserved
LEDten-thousand digit:reserved
0:Non automatic control mode
1:automatic control mode
Pump A Pump B Pump C
U0.21
Non-auto Non-auto Non-auto
00000
111
0
×