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Liquid Cleaning
2-1
Open the units cover, use CNHR-60 cleaning
agent sprayed evenly on the surface of the con-
denser and evaporator fins, condenser fan, air
duct; five minutes later, then use the low pres-
sure water to rinse them.
Note: before you carry out liquid cleaning,
you should remove the evaporator fan and
PCB
.
2-2
You should finished all the items in the below check list. Then perform a test simulating all tem-
peratures within the specified temperature range.
Please install the unit and connect power. The cleaning and maintenance process is finished.
Check list
Yes
No
Are the fans and the compressor clean and free of corrosion?
Are the fans and the compressor mounted securely and free of excessive vibra-
tion?
Is the compressor free of excessive noise?
Are the coolant pipes free of obstructions, damage, and corrosion and show no
obvious signs of leakage?
Are the coil fins clean and not deformed?
Do the fans rotate freely and are they free from excessive vibration or noise?
Is all wiring and insulation undamaged?
Are all connectors seated properly and in good conditions?
Содержание DCU22-2000DH
Страница 51: ...51 of 53 12 Appendix Dimension...
Страница 52: ...52 of 53 Wiring diagram...