PRE-CONDITIONING - DESCRIPTION AND OPERATION
** ON A/C NOT FOR ALL
1. General
The aircraft can be pre-conditioned on the ground with:
The aircraft can be pre-conditioned on the ground with:
- a ground air-supply unit through the LP ground connection (Ref. TASK 12-33-21-618-00100)
- a ground air-supply unit through the HP ground connection (Ref. TASK 12-33-21-618-00101)
- the APU (Ref. TASK 12-33-21-618-00102).
- a Subfreezing PCA Ground-Air Supply Unit through the LP ground connection (Ref. TASK 12-33-21-618-00200)
The Subfreezing PCA Ground-Air Supply Unit provides air to the cabin with a temperature below the freezing point during operation in hot weather conditions.