Technical information

r Checking electrical connections, amps, volts
Make sure electrical connections are properly seated.
See Checking Electrical Connections, in the
Maintenance section. Check fan, compressor, and
pump amps and volts.
r Cleaning
Wipe all external surfaces to maintain performance.
r Inspecting condenser
Check the condenser for adequate air flow or water
flow. Check the condenser face for dirt and clogging.
If dirt or clogs are present, clean the condenser. See
Cleaning the Evaporator or Water-cooled Condenser,
and Cleaning the Air-cooled Condenser, in the
Maintenance section. If your unit has an optional filter
at the air inlet of the Air-cooled condenser coil, check,
clean, and replace as needed.
r Inspecting the control panel
Check for loose wires, burned contacts, and signs of
overheated wires. Check that all panel lights illumi-
nate. See Checking Electrical Connections section.
r Checking refrigerant charge
With the compressor running, check the sight glass
between the receiver and evaporator for proper refrig-
erant condition. See Checking Refrigerant Charge, in
the Maintenance section.
r Cleaning process fluid strainer
Remove cap and clean any debris out of strainer.
Replace cap.
l Annually
r Cleaning the evaporator or water-cooled con-
denser
See Cleaning the Evaporator or Water-cooled
Condenser, in the Maintenance section.
P
REVENTATIVE
M
AINTENANCE
SCHEDULE
UGH024/1103 Portable Chillers
MAINTENANCE
5-5
To maintain the best perfor-
mance, follow the mainte-
nance schedule and record
information in the
Maintenance Log in the
Appendix.