Described in this manual are precautionary items on safety, operation procedures, and troubleshooting for errors, etc. Please read this manual carefully to gain an understanding of this machine before use.

We are not responsible for any damages or injuries sustained due to ignoring prohibited actions or instructions described in this operation manual, modifying the machine without permission, misusing the machine, or neglecting general precautions and considerations with respect to operation and maintenance.

The function and durability of the product vary subject to daily handling and maintenance.

In case that the operator changes, the person in charge should coach the new operator for a full understanding of the manual and a safe operation of the product.

This manual contains the contents regarding heat source supply, breaker operation, and valve operation on the building side. These procedures must be performed by qualified personnel according to the laws and regulations of your country and/or municipality. Please observe related laws and regulations for your safety.