Inovance CA300 Central Air-Conditioner Inverter User Manual

About this manual

This manual introduces the CA300 series central air‑conditioning inverter, describing its high‑performance vector control technology, compact size, wide voltage range, and built‑in protection features. It includes product information, quick start procedures, and detailed installation and wiring guidelines.

Subsequent sections cover parameter tables, fault diagnosis, mechanical and electrical specifications, and an appendix with Modbus communication details. Safety warnings and maintenance instructions are emphasized throughout to ensure reliable operation. This manual is written in Chinese.

What's inside

• Preface
• Product Information
• Installation and Wiring
• Parameters
• Fault Diagnosis
• Specifications
• Appendix – Modbus Communication

Specifications

Frequently asked questions

What safety precautions must be observed before installing the CA300 inverter?

Do not install if the unit shows water ingress, missing or damaged parts, and always ensure the enclosure is intact before powering up.

How should signal cables be routed to avoid interference?

Signal cables should be kept at least 10 cm away from power cables to prevent noise‑induced false actions.

What is the recommended input voltage range for the inverter?

The inverter accepts a three‑phase input of 380 V to 480 V (‑15 % to +10 %).

How many digital input terminals does the CA300 provide?

The inverter provides seven digital input terminals, supporting up to 100 Hz input frequency.