Boiler house Level controls
2
Technical data LCS1350 Supply voltage
24 Vdc +/– 20%
Fuse
External 0.5 A (semi-delay)
Power consumption
2 W
Connection of level probe
4 x inputs for LP10-4, LP11-4 or LP41 level probe, four-pin, reference and shield
Probe tip voltage
5 Vss
Sensitivity (water conductivity at 25 °C), switchable
> 0.5 μS/cm < 1000 μS/cm or > 10 μS/cm < 10,000 μS/cm
2 floating changeover contacts, 8 A 250 Vac/30 Vdc cos f = 1 (MIN/MAX) De-energizing delay 3 seconds (MIN/MAX alarm) 1 floating open/close contact, 8 A 250 Vac/30 Vdc cos f = 1 (pump) Inductive loads must have interference suppression (RC combination) as per the manufacturer's specification Contacts requires an external T2.5A fuse for protection 1 push-buttons for test function 1 x multicolour “ON” LED (green/red) - for indicating the operating state and internal errors (green = running, red = power up, malfunction or internal error)
Outputs
2.3 34
1 x red “Alarm 1” LED for indicating a MIN/MAX alarm 1 x red “Alarm 2” LED for indicating a MIN/MAX alarm 1 x green “Pump” LED for indicating the ON/OFF pump status 1 4-pole code switch for configuration Housing material, base: black polycarbonate; front: grey polycarbonate Conductor size: 1 x 4.0 mm 2 solid, per wire, or 1 x 2.5 mm2 per lead with sleeve to DIN 46228, or 2 x 1.5 mm2 per lead with sleeve to DIN 46228 (min. Ø 0.1 mm) Terminal strips can be removed separately Housing attachment: Mounting clip on support rail TH 35, EN 60715
Displays and controls
Housing
Degree of contamination 2 for installation in control cabinet with degree of protection IP 54, fully insulated Overvoltage category III
Electrical safety
Housing: IP 40 to EN 60529 Terminal strip: IP 20 to EN 60529
Degree of protection
Weight
approx. 0.2 kg
At moment of switch on – 0 ° to 55 °C In operation – 10 to 55 °C
Ambient temperature
Transport temperature Storage temperature
–20 ... +80 °C (<100 hours), only switch on after a defrosting period of 24 hours
–20 ... +70 °C, only switch on after a defrosting period of 24 hours
Relative humidity
max. 95%, no moisture condensation
2 3
TI-P693-25 EMM Issue 1
Page 2 of 4
LCS1350 Level switch
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