Trane 4TWL9048A1000A - Compressor Parameter Verification; Verify PM Tonnage and Compressor Size

36
4TWL9048A-SF-1C-EN
Compressor Verification: Parameters
Compressor Verification:
Parameters
Does PM match
model?
In CDA menu under unit controls verify PM tonnage
matches model number
No
Does compressor size
match unit model number?
Yes
No
Yes
Run Drive Diagnostic Test
In CDA menu under unit controls verify that
compressor size matches compressor model
number (DRV COMP SIZE)
Yes
Replace PM
Replace
Compressor
+VDC -VDC
ELECTRICAL
HAZARD
Failure to follow this
warning could result in
personal injury or death.
WAIT TWO (2) MINUTES
after disconnecting power prior
to touching electrical
components as they may hold
a dangerous charge
of 400VDC, then verify DC
Voltage is less than 42 VDC
at inverter test points
labeled +VDC and -VDC before
servicing board.
400 VOLTS
WARNING