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Table of Contentsable of Contents
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able of Contents
Typical Unit Components ................................ 3
Introduction ..................................................... 3
Unit Identification ............................................ 4
Unit Specifications .......................................... 5
Unit Performance ........................................... 7-20
Refrigeration Sequence of Operation ............. 21
Electrical Rating Tables .................................. 22
Compressor .................................................... 23
Thermal Overload (External) .......................... 23
Thermal Overload (Internal) ............................ 24
Fan Motor ....................................................... 24
System Switches/Controls .............................. 25-33
Thermostats (Indoor) ...................................... 34-35
Thermostats (Defrost) .................................... 35-36
Resistor (Heat Anticipator) .............................. 36
Capacitor, Run ................................................ 36-37
Check Valve ................................................... 37
Heat Pump Reversing Valve ........................... 37-38
Solenoid Coil (Heat Pump Models) ................. 38
Valve, Drain Pan ............................................. 38
Heating Element ............................................. 39
Sealed Refrigeration Repairs .......................... 39-40
Refrigerant Charging ...................................... 40-41
Undercharged Refrigerant Systems ............... 41-42
Overcharged Refrigerant Systems ................. 42
Restricted Refrigerant System ........................ 43
Routine Maintenance ...................................... 44
Troubleshooting .............................................. 45-55
Wiring Diagrams
"RS", "RM",...................... 618-200-17 ..... 56
"SQ" ................................ 617-581-09 ..... 57
"KQ" ................................ 617-581-04 ..... 58
"YQ" ................................ 617-581-05 ..... 59
"SC"................................. 614-406-00 ..... 60
"SS", "SM" ....................... 618-200-03 ..... 61
"SL" ................................. 618-200-00 ..... 62
"KS", "KM", "KL" .............. 618-200-00 ..... 63
"ES", "EM", "EL", "EK" ..... 618-200-01 ..... 64
"YS13", "YM", "YL" .......... 618-200-02 ..... 65
"YS09" ............................. 619-142-17 ..... 66
Testing XQ and QME Boards ......................... 67
Quick Reference Guide – QuietMaster ........... 68
Quick Reference Guide – XStar ..................... 69