Symptom: The Inside Of An Outdoor Unit Is Warm Even When The Unit Has Stopped; Symptom: Hot Air Can Be Felt When The Indoor Unit Is Stopped - Daikin VRV IV W+ Series Installer And User Reference Manual

11 | Troubleshooting

11.2.17 Symptom: The inside of an outdoor unit is warm even when the unit has stopped

11.2.18 Symptom: Hot air can be felt when the indoor unit is stopped

Installer and user reference guide
42
This is because the crankcase heater is warming the compressor so that the
compressor can start smoothly.
Several different indoor units are being run on the same system. When another
unit is running, some refrigerant will still flow through the unit.
RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1B – 2020.10