User manual for the SC‑SWDX water‑pump remote control system, covering installation, operation, specifications and troubleshooting.
The SC‑SWDX system provides remote start/stop control of water pumps via mobile network, with multi‑level water‑level protection and SMS alerts. It includes a receiver unit (SC‑SWDX‑R) and a transmitter unit (SC‑SWDX‑T) that communicate over GSM/CDMA frequencies.
The manual details product features, technical specifications, wiring diagrams, installation steps, fault diagnosis, warranty information and a list of customer applications. This manual is written in Chinese.
| Power supply voltage | AC 220V |
|---|---|
| Power consumption (receiver) | max 3 W |
| Power consumption (transmitter) | max 3 W |
| Weight | ≈ 0.35 kg |
| Switch inputs | Four level inputs (upper, upper‑upper, lower, lower‑lower) |
| Switch outputs | 2 NO, 2 NC, contact rating 250 V/5 A |
| Modulation | GFSK |
| Operating temperature | -45 °C to +80 °C |
| Dimensions | 12.5 cm × 8 cm × 3 cm |
Because the power is not connected or the connection is poor; check the AC power source and the 0.5 A fuse inside the chassis.
First verify that the antenna is properly connected and that the service account is paid.