Standard “Fixed” Level Controller (LCF)
Code: LCF
TECHNICAL FEATURES
* Supply Voltage 24VAC or DC, 120VAC, 230VAC
* Plug In Or Panel Mount High/Low Level Controllers
* Optional 2 Sec Delay For Anti-Surge Applications
* LED Power & Relay Status Indicators
* 5 Amp SPCO Contacts
OPERATIONAL FEATURES
On application of a continuous supply voltage, the ‘POWER’ LED illuminates and applies a Small AC voltage to the liquid via the probe(s) and the tank (or earth probe ‘R’) if the tank is insulated.
High Level Probe only Sequence
* Pump contactor connected to output relay contacts 2 & 4
* Water level rises to HIGH level probe
* Output relay contacts change over to 3 & 4, stopping pump supply, and ‘Relay’ LED illuminates
* Drainage commences until water level falls below HIGH level probe
* Output relay resets and pumping re-commences
* Fails safe on filling
High and Low Level Probe Sequence
* Pump contactor connected to output relay contacts 2 & 4
* Water level rises to HIGH level probe
* Output relay contacts change over 3 & 4, stopping pump supply, and ‘Relay’ LED illuminates
* Drainage commences until water level falls below LOW level probe
* Output relay resets and pumping re-commences
* Fails safe on filling
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