Apollo Saturn Bedienungsanleitung Seite 81

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ENVIRON_._ENTAL CONTROL SYSTEH (ECS)
The Environmental Control System (ECS) has been developed to maintain an
acceptable _perating environment for the IU/S-IVB equipment during preflight
' and _nfllght operations.
The ECS is made up _f the following: .
' Thermal Conditioning__'stem - maintains a circulating Methanol Water ,
coolant temperatuee of approximately 59 ° _ I°F.
! Preflight Purging System - maintains a supBly of temperature and ."
pressure regelated air/GN 2 in the IU/S-IVB equipment.
t
:_ Gas BearlngS_ - furnishes GN 2 to the ST-124-M3 inertial
platform gas bearings.
Hazardous Gas Detection Syste___mm- monito:s the IU/S-IVB forward inter-
stage area for the presence of hazardous v_pors.
J
:]
z
1970011707-084
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