Principles of Operation of
the Module UCM-CLD
RLC-SVU02F-E48
Service Settings Menu** LEVEL ONE-Information adjusted by customer
Unit Line Voltage
Over/Undervoltage Protection
Restart Inhibit Time 30/120 sec
Balanced Compressor Starts and Hours
Display Language and Units
Programmable Relay Set-up 1/12
External Circuit Lockout
LEVEL TWO- Information adjusted by Service Engineer
Address of Serial Link 0/64
Display Lock Feature
Leaving Water Temperature Setpoint
Low Refrigerant Temperature Cutout Setpoint
Low Water Temperature EXV Air Compressor
Condenser Limit Setpoint 60/120%
Phase Unbalance Protection
Phase Reversal Protection
Superheat Setpoint 2.2°/11.1°C
EXV Control Response Circuit 1 2/200
EXV Control Response Circuit 2 2/200
Leaving Water Temperature Control Response Setpoint
Fan Control Deadband bias Circuit 1 -50/50
Fan Control Deadband bias Circuit 2 -50/50
LEVEL THREE-Configuration/Protection Information
Compressor Model Number Prefix
Number of Compressors
Oil Loss Differential Setpoint
Compressor A Ton
Compressor B Ton
Compressor C Ton
Compressor D Ton
Fan Control
Variable Speed Fan Circuit 1
Variable Speed Fan Circuit 2
Number of Fans Circuit 1
Number of Fans Circuit 2
Reduced Inrush Starting
Current Overload Compressor A
Current Overload Compressor B
Current Overload Compressor C
Current Overload Compressor D
Low Ambient Unit Half Air Flow Fan
Low Ambient Unit Two-Speed Motor
Night Noise Setback
Number of EXV Circuit 1
Number of EXV Circuit 2
Refrigerant Type
Service Tests Menu Perform Expansion Valve Test
Perform Circuit locking or Pump-out Test
Perform Compressor Test
Diagnostics Menu Current Diagnostics
History of Diagnostics
Manual Reset of Diagnostics
Erase History of Diagnostics
* Option
** This menu has three access levels. The control has a display lock feature that can be locked at request after level one.
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