Conair PCW-1.5 User Manual page 79

P r e v e n t a t i v e M a i n t e n a n c e S c h e d u l e
Monthly
Ì
Inspecting cooling water treatment system
If your chiller uses a cooling water treatment system, maintain proper chemi-
cal levels and follow the recommendations of your water treatment specialist.
Change water in the reservoir tank monthly.
Ì
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.
Ì
Cleaning
Wipe all external surfaces to maintain performance.
Ì
Inspecting condenser
Check the condenser for adequate air flow or water flow. Check the con-
denser face for dirt and clogging. If dirt or clogs are present, clean the con-
denser. See Cleaning the Evaporator or Water-cooled Condenser, and
Cleaning the Air-cooled Condenser, in the Maintenance section. Check,
clean, and replace the filter at the air inlet of the Air-cooled condenser coil,
as needed.
Ì
Inspecting the control panel
Check for loose wires, burned contacts, and signs of overheated wires.
Check that all panel lights illuminate. See Checking Electrical Connections
section.
Ì
Checking refrigerant charge
With the compressor running, check the sight glass between the receiver and
evaporator for proper refrigerant condition. See Checking Refrigerant
Charge, in the Maintenance section.
Ì
Cleaning process fluid evaporator strainer
Remove cap and clean any debris out of strainer. Replace cap.
Annually
Ì
Cleaning the evaporator or water-cooled condenser
See Cleaning the Evaporator or Water-cooled Condenser, in the Maintenance
section.
Ì
Check refrigerant piping
Verify that no oil is present on fittings or cabinet. Wipe clean and check
charge/operation of circuit.
To maintain the best perform-
ance, follow the maintenance
schedule and record informa-
tion in the Maintenance Log in
the Appendix.
M a i n t e n a n c e l 5 - 5