This manual provides safety, installation, wiring, adjustment and maintenance instructions for the Yamatake AUD50A Shielding Unit.
The Yamatake AUD50A Shielding Unit is a safety device used with the advanced UV sensor AUD300C to ensure safe operation of combustion equipment. The manual outlines safety precautions, usage limits, and the required professional knowledge for installation and maintenance.
It details step‑by‑step wiring verification, torque specifications, component replacement procedures, and the recommended service life of three years. All work must be performed by qualified personnel after power is disconnected. This manual is written in Chinese.
| Operating DC voltage (F‑G terminals) | 160 V–220 V DC |
|---|---|
| Sensor voltage (S1‑S2 terminals) | 15 V–24 V DC |
| Torque for terminal screws | 0.7 N·m |
| Service life | 3 years |
Measure the DC voltage between the F and G terminals; a correct wiring shows 160 V–220 V DC.
The terminal screws must be tightened to a torque of 0.7 N·m.
The shielding unit is designed for a service life of three years, after which it should be replaced.
No, the unit is dedicated to the advanced UV sensor AUD300C and must not be combined with other machines.