14
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Maintenance and service
Installer reference guide
68
3(A)MXM+3(A)MXF+4MXM+5MXM
R32 Split series
4P600463-1C – 2020.08
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Heat exchanger
The heat exchanger of the outdoor unit can get blocked up due to dust, dirt,
leaves, etc. It is recommended to clean the heat exchanger yearly. A blocked
heat exchanger can lead to too low pressure or too high pressure leading to
worse performance.
14.4 About the compressor
When servicing the compressor keep in mind following precautions:
DANGER: RISK OF ELECTROCUTION
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Use this compressor on a grounded system only.
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Turn the power off before servicing the compressor.
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Reattach the switch box cover and service lid after servicing.
CAUTION
Always wear safety goggles and protective gloves.
DANGER: RISK OF EXPLOSION
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Use a pipe cutter to remove the compressor.
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Do NOT use the brazing torch.
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Use approved refrigerants and lubricants only.
DANGER: RISK OF BURNING/SCALDING
Do NOT touch the compressor with bare hands.
