The fire diagram kc shows the remote manual control line of the fire fan or fire pump.

S is the signal communication line, s 1 is the alarm return line, K or C on the line is the direct start line, M in the box is the fire control module box, and C in the box is the control module.

Fire protection drawings are roughly divided into four majors, and there are fire protection requirements for architecture, electricity, water supply and drainage, and HVAC. Generally speaking, if you want to understand drawings, you must first learn to understand basic drawings. This is the most basic thing. You can buy books on architectural drawing in the bookstore, or search some teaching materials online and learn with simple drawings.

Extended data:

Fire fighting construction drawings include the following drawings: plan, elevation of each floor, water supply system diagram, weak current system diagram, sprinkler system diagram, automatic alarm system diagram, exhaust system diagram, decoration construction drawing, etc. Fire control construction content:

1, automatic fire alarm system construction, including fire alarm broadcasting, fire linkage, etc.

2. Construction of automatic fire extinguishing system, including automatic sprinkler system, gas fire extinguishing system, foam fire extinguishing system, nitrogen injection and oil drainage fire extinguishing system, etc. ;

3. Smoke control system, including positive pressure air supply and alarm smoke exhaust;

4, fire separation, including fire doors, fire shutter, fire water curtain belt;

5. Indoor fire hydrant system;

6. Emergency lighting and evacuation signs;

7. block the fire.