Water flow alarm
Shell and tube evaporator has a water flow switch, check whether the water flow switch is faulty
1. The normally closed state is shown in the following figure. If it is normally closed, act step 3;
2. Normally open state is the following figure, if it is normally open state, there is an alarm, that is, there is a problem with the line; if this is open, and still alarm that means the wiring has problem.
3. If it is normally closed, loosen the screws, counterclockwise is to become loose; Clockwise twist is tight, the water can be opened; If it is closed status, screw it loosely, to make sure small flow can make the switch open. Do as in photo
Post time: Oct-27-2023