This is an instruction manual for TEMI880 and TEMI850 temperature and humidity programmable controller, detailing the installation and use of the product.
The manual introduces the Samwontech TEMI880/TEMI850 temperature and humidity programmable controller, covering safety precautions, installation steps, wiring, and basic operation. It emphasizes proper grounding, environmental limits, and warns against improper modifications or use in hazardous locations.
Detailed sections describe product inspection, accessory verification, mounting guidelines, wiring diagrams, setting buttons, various configuration screens (PID, DO CONFIG, communication), and programming examples. Communication options such as RS232C (standard) and optional RS485 are explained, along with battery replacement and maintenance procedures. This manual is written in Chinese.
| Operating Voltage | 100~240 V AC, 50/60 Hz |
|---|---|
| Operating Temperature | 10 °C – 50 °C |
| Operating Humidity | 20 % – 90 % RH |
| Storage Temperature | -25 °C – 70 °C |
| Storage Humidity | 5 % – 95 % RH |
| Panel Thickness | 10.04 mm |
| Standard Communication Interface | RS232C (basic) |
| Optional Communication Interface | RS485 |
The manual requires grounding the unit, avoiding installation in environments with vibration, corrosive gases, extreme temperatures, high humidity, dust, or strong UV, and ensuring power is off before wiring.
The controller includes a built‑in RS232C port as standard and an optional RS485 port.
It uses a 3.6 V 1/2 AA battery (ER3VYT) and should be replaced before reaching 200,000 hours of operation.