
●Monthly
❒Inspecting cooling water treatment system
If your chiller uses a cooling water treatment system, maintain proper chemical levels and follow the recom- mendations of your water treatment specialist. Change water in the reservoir tank monthly.
❒Cleaning
Wipe all external surfaces to maintain performance.
❒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
❒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 in the Maintenance section.
❒Checking refrigerant charge
Check the sight glass between the receiver and evapo- rator for proper refrigerant pressure. See Checking Refrigerant Charge, in the Maintenance section.
❒Cleaning process fluid strainer
Remove cap and clean any debris out of strainer. Replace cap.
●Semi-annual (every 6 months)
❒Cleaning the evaporator or
❒Cleaning the tank and float switch
Drain the reservoir. Disconnect all piping from tank reservoir. Remove the float switch by loosening the nut on the float switch. Remove switch and clean. Unbolt the tank from the chiller base. Take off the tank cover and clean the reservoir. Reinstall the tank cover; rein- stall tank. Reinsert float switch, holding firmly against reservoir and tighten nut. Fill reservoir and check for leaks.
PREVENTATIVE
MAINTENANCE
SCHEDULE
To maintain the best perfor- mance, follow the mainte- nance schedule and record information in the Maintenance Log in the Appendix.
UGH016/0500 | Series 1 Portable Chillers, TIC Control | MAINTENANCE |