Why it can work at -25℃?
Because of the Enhanced Vapor Injection (EVI) technology from Copeland compressor, SPRSUN designed EVI gas piping system and controlling system, make EVI air source heat pump can work stably in the low temperature condition.
EVI air source heat pump (for house heating and cooling) is designed for house heating and cooling, user can change the working mode by operating wired panel of controller. Compressor start/stop according to return water temperature, when all rooms reach preset temperature by room thermostat, heat pump will be turned off through linkage switch.
Components included in heat pump:
Installer should prepare below components for the system:
COP curve at different working condition:
1. Set up customers file, and arrange professional sale engineers to introduce
company products and services to customers in detail.
2. If customers are interested in our products, we will send professional
techniciansto survey the installation environment.
3. Make the solution according to different customers’ requirements.
1. Machine installs and test by qualification engineers.
2. Ensure all the products we provided are qualified and new. The working life
of the main engine is 15 years.
3. Construct and install the heat pump according to national relevant policies
strictly, and ensure high quality delivery on time.
4. Test and debug the equipments strictly to ensure the safety and stability.
5. During the delivery, provide comprehensive and professional technical
trainingon instructions and maintenance to customers.
1. We promise to offer free consulting call in 7×24 hours mode to solve the
problems found in practice. The number is 86-20-82180001
2. Sprsun products guarantee is 18months from ex-factory date. Within
18months,if any components of your products damaged because of
quality, we supply new replacement for free.
3. After the expiration of the quality assurance, we will continue to provide
lifelong maintenance services, with just charging some cost price.