Boiler house

Level controls

Fig. 3 Tank alarms on glass lined vessel

Pump contactor

LC1350

AL

OK

LC1350 controller

LP10-4 probe

Alarm

Glass lining

AL

OK

LC1350 controller

LP10-4 probe

t

High level

t

Low level

t

Earth return

Fig. 4 Pump fill with high level alarm (with polypropylene tank)

LC1350

Pump contactor

Pump

t

High level

t

Pump off

t

Pump on

Earth return

AI-P402-15 AB Issue 7

Tank Level Control (On/Off)

Flow to process

2.3.2