as you did when setting the time of day.
flashes until the next regeneration start time, then changes to 
shows the error codes that could appear and possible reasons for each code. While an error code is displayed, all control buttons are inoperable except for the 
GNSF23Z01, GNSF18Z01, GNSF35Z01 specifications
The GE GNSF series, which includes models GNSF18Z01, GNSF35Z01, and GNSF23Z01, represents a significant stride in the realm of energy-efficient heating and cooling solutions. These heat pump systems are designed to cater to both residential and commercial applications, making them versatile options in a range of settings.The GNSF18Z01 model is a compact yet powerful option, featuring a 1.5-ton cooling capacity with a SEER rating of up to 18, ensuring excellent energy efficiency. This model utilizes a scroll compressor, known for its durability and quiet operation. Its environmentally friendly refrigerant, R-410A, helps reduce greenhouse gas emissions while delivering optimal cooling performance. Moreover, the easy-to-use programmable thermostat enhances user control over energy consumption, allowing homeowners to manage their comfort levels more effectively.
Similarly, the GNSF23Z01 model stands out with its 2-ton capacity, featuring a slightly higher SEER rating. This model is ideal for larger spaces that require robust cooling and heating support. The technology embedded in the GNSF23Z01 also includes variable speed operation, which adjusts to the cooling demand in real-time, providing significant energy savings. The model’s advanced air filtration system contributes to improved indoor air quality by capturing dust, allergens, and other particulate matter.
The GNSF35Z01 model offers even greater efficiency with its 3-ton cooling capacity and an impressive SEER rating that surpasses many competitors in the marketplace. This heat pump incorporates advanced smart technology, allowing integration with home automation systems. Users can easily monitor and adjust settings remotely through mobile applications, providing unparalleled convenience. The GNSF35Z01 also emphasizes sustainability with its energy-saving features, aligning with modern eco-friendly practices.
In addition to energy efficiency, all three models share a focus on quiet operation, streamlined design, and ease of installation, making them suitable for various building structures. Their robust construction ensures longevity and reliability, contributing to lower maintenance costs over their lifespan. Overall, the GE GNSF18Z01, GNSF35Z01, and GNSF23Z01 heat pumps are exemplary choices for anyone seeking efficiency, comfort, and advanced technology in their heating and cooling systems.