Fire Pump Pressure Switch

Major manufacturers offer two main types of pressure switch.

Fire pump pressure switch.

2 the jockey pump start point should be at least 10 psi 0 68 bar less than the jockey pump stop point. Although not all jockey pump controllers furnished by these manufacturers use this switch verify the acceptability of this switch as a replacement for other styles. Replacement jockey pump controller pressure switch the alco controls series ps 1 pressure switch was furnished as standard in various manufacturer s jockey pump controllers including eaton cutler hammer firetrol and joslyn clark. Alarm pressure switches which monitor changes in water pressure only.

Fire sprinkler pressure switches on the other hand watch for changes in pressure. When there s a fire sprinkler heads are going to activate and spray water. The fire pump system when started by pressure drop should be arranged as follows. When additional fire pumps are.

Main fire pump pressure switch the purpose main fire pump pressure switch of the main fire pump is to push quantities of fire suppressing water up to the upper floors of a building. These serve largely the same purpose as flow switches sounding the alarm when a head or heads have apparently opened. The turn on for the main fire pump is a water pressure switch. 3 the fire pump start point should be 5 psi 0 34 bar less than the jockey pump start point.