AQUATECH LSM Manual de instrucciones - Página 8

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AQUATECH LSM Manual de instrucciones
fig. 3. LSM level switch circuit board layout showing power supply, volt free relay and probe connections,
plus location of DIL switches and adjustable timer.
Probe
Probe Function
Letter
A
Only used for Relay 1 functions when switching between two levels
B
Relay 1 functions
C
Only used for Relay 2 functions when switching between two levels
D
Relay 2 functions
E
Common earth Reference

1.3.4 LIMITS OF OPERATION (standard equipment).

Normal electrical supply 240VAC, 1 phase 50Hz, (other voltages available on request).
Minimum conductivity 15uS.
Maximum cable length to remote probes/switches is 50m using unscreened 0.75 mm 3 core cable.
Maximum water temp 40 C.
Ambient temp 5 to 40 C.
Volt free contacts rated at 240VAC 2A AC1 maximum, 12V 100mA minimum.
Maximum probe length 1 metre.
Maximum pressure imposed on probes is 1.0 bar gauge.
Minimum pressure imposed on probes is 0.0 bar gauge.
Special equipment may be supplied for use beyond these limits by prior agreement with AquaTech-
Pressmain
Aquatech-Pressmain Limited Instruction manual\Liquid Level Switch LSM
Level Switch LSM
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