Determining the total system charge............................................................................................... 41
Charging the indoor TXV in subcooling mode................................................................................. 42
R-454B saturation properties....................................................................................................................42
Optional cold weather charging........................................................................................................ 43
......................................................................................................................................................................43
Starting up the system.................................................................................................................................. 44
Instructing the user....................................................................................................................................... 45
Maintenance and repair......................................................................................................................45
Required procedures for A2L systems.............................................................................................. 46
Decommissioning................................................................................................................................46
Third-party trademarks notice......................................................................................................................47
Wiring diagrams.............................................................................................................................................48
Start-up sheet................................................................................................................................................. 53
Installation Manual: R-454B Outdoor Split-System Air Conditioner4
Johnson Controls Ducted Systems
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