Table of Contents
RTAF-SVX001A-EN 5
Refrigerant Cycle ..................... 33
Refrigerant and Oil .................... 33
Compressor and Lube Oil System ...... 33
Condenser and Fans .................. 33
Evaporator ........................... 34
Controls ............................... 35
Overview ............................ 35
UC800 Specifications .................. 35
Wiring and Port Descriptions ......... 35
Communication Interfaces ............ 36
Rotary Switches .................... 36
LED Description and Operation ........ 36
Tracer AdaptiView TD7 Display ......... 36
Operator Interface .................. 36
Main Display Area/Home Screen ...... 36
Viewing Chiller Operating Modes ..... 37
Alarms ........................... 39
Reports ........................... 39
Equipment Settings ................. 42
Display Settings .................... 44
Viewing the Settings Screen ......... 44
Cleaning the Display ................ 45
Security Settings ................... 45
Disabling/Enabling Security .......... 45
Tracer TU ............................ 47
Pre-Start ............................... 48
Start-Up and Shutdown ................. 49
Unit Start-Up ......................... 49
Temporary Shutdown And Restart ...... 49
Extended Shutdown Procedure ......... 49
Seasonal Unit Start-Up Procedure ...... 50
System Restart After Extended Shutdown 50
Sequence of Operation ................ 51
Software Operation Overview ......... 51
Timelines .......................... 51
Power Up Diagram .................. 52
Power Up to Starting ................ 53
Stopped to Starting ................. 54
Running (Lead Compressor/Circuit Start
and Run) .......................... 55
Running (Lag Compressor/Circuit Start
and Run) ...........................56
Satisfied Setpoint ....................57
Normal Shutdown to Stopped
or Run Inhibit .......................58
Immediate Shutdown to Stopped
or Run Inhibit .......................59
Ice Making (Running to Ice Making
to Running) .........................60
Ice Making (Auto to Ice Making to
Ice Making Complete) ................61
Maintenance ............................62
Recommended Maintenance ............62
Weekly ...............................62
Monthly ..............................62
Annual ...............................62
Refrigerant and Oil
Charge Management
...................63
Lubrication System ....................63
Oil Sump Level Check ................63
Microchannel Condenser Coils ..........65
Coil Cleaning .......................65
Diagnostics .............................66
AFD Diagnostics .......................67
Starter Diagnostics ....................67
Main Processor Diagnostics .............69
Communication Diagnostics ............79
Wiring ..................................85
Log and Check Sheets ...................86