Carrier Air Conditioner: Refrigerant charging mode on Infinity control (25VNA8/24VNA9)
Refrigerant charging mode on Infinity control (25VNA8/24VNA9) on a Carrier air conditioner: Opened from the Installation and Service screen to check or set charge. Offers weigh-in or heating check methods; the heating check runs at stage 5 with matched fans and counts down while stabilizing. Service-valve subcooling shows only when temperatures are in range.
Applies to: Carrier Infinity 25VNA8/24VNA9 communicating systems
How to fix refrigerant charging mode on infinity control (25vna8/24vna9): step by step
- On the Infinity control open Installation and Service, then Refrigerant Charging
- Pick the charge method on the Charging Mode Selection screen
- Wait for the stabilization countdown before reading pressures
If the unit shows an error code, look it up: Carrier Air Conditioner codes
Models
24VNA924VNA91324VNA92424VNA92524VNA93624VNA93724VNA94824VNA94924VNA960
Source: Carrier 25VNA8/24VNA9 service manual, Check Charge and Heating Check Chart Procedure, p.9-12. Written in our own words as a summary; always check the original manual.
General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.