The Harbin Dejiafa DJF-LED-YKQ-D liquid level controller user manual provides specifications, wiring diagrams, and operation instructions.
This manual introduces the DJF-LED-YKQ-D liquid level controller, a fully automatic device for monitoring liquid level using electrodes, float balls, or dry reed switches. It describes the controller’s functions such as pump/solenoid valve control, alarm display, forced‑manual mode, and power‑loss protection.
The document includes detailed wiring instructions, symbol meanings, fault codes, and step‑by‑step operation procedures. It also lists the main technical specifications and physical dimensions needed for installation. This manual is written in Chinese.
| Switch output rating | 10A 220V AC / 10A 30V DC |
|---|---|
| Power supply voltage | ~220V ±10% |
| Power consumption | < 10W |
| Operating temperature | -55 °C to 55 °C |
| Level inputs | 5 level electrodes (float or dry reed) |
| Special alarm input | 1 external special alarm input |
Press the forced‑manual key to toggle the X‑ symbol; in stop state it selects which pump (main or backup) is forced‑manual, and in run state it forces the selected pump to operate until the key is pressed again.