
Compressor Application Manual
30
compressors with the letter "X" (FF BX
and FF HBX) in their name or FG
compressors with the specific relay
to change it to HST (see item 3.2 in
Chapter VI) must be used.
19 - Compressor
19.1 - Compressor connected to a voltage
different from the one specified
Use a transformer or change the
compressor.
19.2 - Compressor winding
interrupted or burned out
With the help of an ohmmeter,
measure the main and auxiliary coil
resistances.
Figure 23 - Compressor Coil Test
Importante
Important
!
If the lamp goes on the
main coil is not broken.
The ohmic resistance can vary 8% one
way or the other. If there is no ohmmeter
available, then use a test lamp and check if
there is any break in the coil. Place the test
ends on the main and auxiliary terminals.
If the lamp does not light up in either
case, change the compressor.
Compressor PW / F / EG Compressor EM
P = Main Coil
A = Auxiliary Coil
C = Common
C
P
A
A
C
P
IV
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