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5
Maintenance
Cleaning the Air-Cooled Condenser
WARNING: Electrical Hazard
Before performing any work on this item, disconnect and lock out electrical
power sources to prevent injury from unexpected energization or startup. Be
sure that power to the chiller is OFF when doing any maintenance on the
chiller. Follow all safety rules when performing any maintenance on this
equipment.
CAUTION: Hot Surfaces
Always protect yourself from hot surfaces when working on the chiller,
especially when working on or around the compressor and condenser. These
devices can reach over 160°F {71°C}. Allow these devices to cool before
performing any maintenance or troubleshooting.
The air-cooled condenser and condenser filter can accumulate dirt and clog quickly if
it is ran in a dusty or dirty environment. A clogged condenser or condenser filter
increases refrigerant discharge pressure, lowers performance, and may cause the fan
motors and compressor to overheat.
To clean the air-cooled condenser:
1 Disconnect and/or lockout main power to the chiller.
2 Remove the chiller’s top lid, by first removing both side panels and then the four
(4) retaining bolts that secure the chiller’s top lid.
3 Remove the filter, that is located towards the back of the chiller, by lifting it
straight up and out of the chiller.
4 Inspect the condenser coils. Use a flashlight to check between coil surfaces.
5 Clean the dirty coils with a soft brush.
6 Flush with cool water or a commercial coil cleaner that is compatible with
aluminum alloys. It is recommended that the coil cleaner is sprayed from inside
the cabinet.
Maintenance l 5-7
(continued)