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14
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Maintenance and service
Installer reference guide
58
RXTM-R_RXTP-R_ARXTP-R_RXTA-B
R32 split series
4P518023-11H – 2021.03
14.3 Checklist for yearly maintenance of the outdoor unit
Check the following at least once a year:
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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
▪
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
▪
Use a pipe cutter to remove the compressor.
▪
Do NOT use the brazing torch.
▪
Use approved refrigerants and lubricants only.
DANGER: RISK OF BURNING/SCALDING
Do NOT touch the compressor with bare hands.
14.5 Winter season
NOTICE
Any icicles on the outdoor unit MUST be removed. Use gloves to avoid injury and
damage to the unit.