![background image](http://html.mh-extra.com/html/daikin/4mwxm-a/4mwxm-a_installers-reference-manual_501129065.webp)
14
|
Maintenance and service
Installer reference guide
65
4MWXM-A
R32 Split series
4P678385-1A – 2022.02
WARNING
▪
Before carrying out any maintenance or repair activity, ALWAYS switch off the
circuit breaker on the supply panel, remove the fuses or open the protection
devices of the unit.
▪
Do NOT touch live parts for 10 minutes after the power supply is turned off
because of high voltage risk.
▪
Please note that some sections of the electric component box are hot.
▪
Make sure you do NOT touch a conductive section.
▪
Do NOT rinse the unit. This may cause electric shocks or fire.
14.3 Checklist for yearly maintenance of the outdoor unit
Check the following at least once a year:
▪
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.
▪
Turn the power off before servicing the compressor.
▪
Reattach the switch box cover and service lid after servicing.
CAUTION
ALWAYS wear safety glasses 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.
Summary of Contents for 4MWXM-A
Page 1: ...Installer reference guide R32 Split series 4MWXM52A2V1B ...
Page 32: ...6 Unit installation Installer reference guide 32 4MWXM A R32 Split series 4P678385 1A 2022 02 ...
Page 77: ......
Page 78: ......
Page 79: ......
Page 80: ...4P678385 1A 2022 02 Copyright 2021 Daikin Verantwortung für Energie und Umwelt ...