TECO-Westinghouse F510 Series, Инструкция по эксплуатации

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4 - 279
disable the function of low flow limit.
FB
time
23-47
Target Value of Flow
Meters
23-51
Minimum Flow Value of
Feedback
T1
T2 T3 Stop along the
Deceleration Time
(00-15)
F
Flow
Feedback
Output
LFPb
LOPbt
Figure 4.4.114 Diagram for low flow limited warning of stop
23- 77 Low Flow Setting
Range
【
0
】
Disable
【
1
】
Low Flow Warning
【
2
】
Low Flow Warning or Error
When 23-77=0, Low flow warning or error is disabled.
When 23-77=1, Low flow warning is enabled. Low flow error is disabled.
When 23-77=2, Low flow warning or error is enabled. Refer to the instruction of Fig. 4.4.114.
23-54 Detection Function of Low Suction
Range
【
0
】
: Disable
【
1
】
: PID Error Value
【
2
】
: Current
【
3
】
: Current and PID Error Value
23- 55 Detection Time of Low Suction
Range
【
0~30.0
】
Sec
23- 56 PID Error Level of Low Suction
Range
【
0 ~ 30
】
%
23- 57 Current Level of Low Suction (Motor Rated Current)
Range
【
0 ~ 100
】
%
23- 58 Reaction of Low Suction
Range
【
0
】
: Disable
【
1
】
: Warning
【
2
】
: Fault
【
3
】
: Fault & Restart
The hydraulic application can detect insufficient water in the tank resulting in low suction via HVAC
function. User can select the reaction of low suction (23-58) to run command. Low suction is detected by
parameter 23-54. Refer to Fig.4.4.115 for the process of low suction.
T1 < (23-52): Recounting after T1.
T2 = (23-52): Keypad flashes and displays LFPb
T3 = (23-53): Keypad flashes and displays LOPbt