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Carrier 90MA - Discharge and Suction Pressure Switches; Oil Charge

Carrier 90MA
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Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations
Printed in U.S.A. 90MA-3SI SUPERCEDES FORM 62-02971-00 09-2009
Pg 16
compressor equipped units and on the suction line on all
other units.
Oil Charge - All units are factory charged with oil. On 06D
compressors, observe the oil level in the sight glass at
start-up. If unit oil level is below sight glass, add oil until
level reaches approximately 1/4 sight glass.
If oil charge is above sight glass, do not remove any oil
until the compressor crankcase heater has been energized
for at least 24 hours.
When additional oil or a complete charge is required,
use only the following Carrier approved oil.
R-407C, R-404A, and R-134a units
Castrol - Icematic SW68
ICI - Emkarate RL68HP

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