User Manual - Page 126

For IRT1900N263E.

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126 Part Number: 000015430 Rev 02 5/20
COLUMN 3 - TXV FLOODING OR REFRIGERANT
OVERCHARGE
A loose or improperly mounted expansion valve bulb
causes the expansion valve to flood. Check bulb mounting,
insulation, etc, before changing the valve. Verify refrigerant
amount is correct by weighing recovered refrigerant before
replacing a TXV.
COLUMN 4 - COMPRESSOR
Replace the compressor. To receive warranty credit, the
compressor ports must be properly sealed by crimping and
soldering them closed.
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