Install the air conditioner at a place that can bear its weight in order to operate more quietly.
Install the outdoor unit at a place where the air discharged and the operation noise would not annoy your neighbors.
Do not place any obstacles in front of the air outlet of the outdoor unit lest it increases the noise level.
Restarting the unit at once after operation stops or changing mode during operation, you need to wait 3 minutes.
Connect to power supply and turn on the unit at once, it may start 20 seconds later.
If all operation has stopped, press 
RIH-2667, RIH-3267 specifications
The NEC RIH-2667 and RIH-3267 are advanced communication terminals designed to enhance connectivity in various environments, from corporate offices to remote locations. These devices are a product of NEC's commitment to delivering high-performance technology solutions.The RIH-2667 is known for its robust and user-friendly design. It features a wide array of communication protocols, which makes it compatible with existing network infrastructures. This adaptability is crucial for businesses aiming to implement seamless integration across various devices. The terminal supports both wired and wireless connections, ensuring reliable communication regardless of the setting.
On the other hand, the RIH-3267 builds on the strengths of the RIH-2667, offering enhanced processing capabilities and agility. One of its main features is the support for high-speed data transmission, utilizing advanced algorithms for data optimization. It employs the latest telecommunications standards, enabling efficient handling of large volumes of data while maintaining a stable connection.
Both models are equipped with state-of-the-art security technologies, ensuring that communications remain confidential and secure. With features like end-to-end encryption and secure access protocols, they address the growing concerns of data privacy in today’s digital age.
The user interface of the RIH-2667 and RIH-3267 is intuitive, allowing for easy access to vital functions and settings. They come with customizable options for users, granting flexibility in terms of configuration and operation. This adaptability is particularly beneficial for organizations that require tailored solutions to meet specific operational demands.
In terms of physical characteristics, both devices are designed to be compact and lightweight, making them ideal for deployment in various locations without requiring significant space. Their rugged construction ensures durability, allowing them to withstand challenging environmental conditions.
Another noteworthy aspect is the customer support and maintenance services provided by NEC. The company offers comprehensive support programs, ensuring that users receive timely assistance, which is crucial for maintaining operational efficiency.
In conclusion, the NEC RIH-2667 and RIH-3267 are distinguished models in the field of communication technology. Their innovative features, robust security systems, and flexible configurations make them suitable for a wide range of applications. Organizations looking to enhance their communication capabilities will find these devices to be invaluable assets in achieving their strategic objectives.