Spirax Sarco LCR2251, Инструкция по установке и обслуживанию

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IM-P693-02 EMM Issue 2
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LCR2251 Level Controller
5.4 Meaning of codes on the 7-segment display
Pump/Control Valve Status
LED amber
MIN LED red
7-segment display
MAX LED red
Push buttons
Fig. 6
Code Meaning
Indicated when up and down are pressed:
ON/OFF Level Controller (S4 = ON)
AL.Hi Alarm High MAX switchpoint
adjustable between 0 and 100 %
AL.Lo Alarm Low MIN switchpoint
SP.Hi Setpoint High Pump OFF**
SP.Lo Setpoint Low Pump ON**
tESt Test Tests output relays
FiLt Filter Used to dampen the effects of turbulent water level.
Continuous PI controller (S4 = OFF)
AL.Hi Alarm High MAX switchpoint
adjustable between 0 and 100 % AL.Lo Alarm Low MIN switchpoint
SP Setpoint Setpoint
Pb Proportional band adjustable between 0 and 100 %
ti Time integral Integral action time, adjustable between 0 and 120 seconds
tESt Test Tests output relays
FiLt Filter Used to dampen the effects of turbulent water level.
Note
** Pump status with fill control selected (S2 = OFF).
If discharge control is selected (S2=ON), pump switches on when the level reaches/exceeds
SP.Hi and the switches off when the level falls below SP.Lo.