Variable Refrigerant Flow (VRF)
Heat recovery units can heat and cool spaces simultaneously. YORK® VRF heat recovery units offer an extended operating temperature range: outdoor ambient temperature as low as 14° F (-10° C) in the cooling mode and as low as -4° F (-20° C) in the heating mode. Long refrigerant piping lengths – up to 3,281 feet total pipe run. Advanced defrost cycle operation in the heating mode. Able to operate up to 64 indoor units on a single piping network. Power-saving demand control for reduced peak load and energy savings. Automatic judgment system for Refrigerant Amount to verify refrigerant charge is correct. Diagnostics and malfunction codes available at push of a control panel button.