4
Temp Mode/Temp Display .....................................................41
Alarms and Signals ...............................................................41
Temperature Alarm .............................................................41
Alarm condition ..................................................................41
Reset button .......................................................................41
Door Ajar LED (Flashing Green) .........................................42
Show Room Setting ..............................................................43
Activation ...........................................................................43
Deactivation ........................................................................43
Active function....................................................................43
Advance into Defrost Cycle Manually ....................................43
Activation ...........................................................................43
Deactivation ........................................................................43
Wave-Touch ..........................................................................44
1st Level - Sleep Mode .......................................................44
2nd Level - Awakened Display Mode ..................................44
3rd Level - User Variable Options .......................................44
Setting cooling temperatures .............................................44
Alarms ................................................................................45
Sabbath Mode .......................................................................45
IQ-Touch ...............................................................................46
Setting cooling temperatures .............................................46
Alarms ................................................................................46
Wave-Touch/IQ-Touch graphic displays ................................47
Performance Data .................................................................48
Wiring Diagrams ...................................................................49
Service Diagnostics Mode ....................................................52
View ...................................................................................52
Test .....................................................................................52
Activation ...........................................................................52
Deactivation ........................................................................52
Operation ............................................................................52
Startup Procedure ..............................................................52
AC Load Testing ....................................................................52
Test 1 - Standard Compressor Test ....................................52
Test 2 - Defrost Heater Test ................................................53
Test 3 - Fresh Food Compartment Lighting Test .................53
Test 8 - Water Valve, Wate Dispenser only .........................53
Test 9 - Freezer Compartment Lighting Test .......................53
Test 10 - Auger Motor ........................................................53
Test 11 - Cube/Crush Solenoid ...........................................53
DC Load Testing ....................................................................53
Test 38 - VCC Compressor .................................................53
Test 15 - Evaporator Fan .....................................................53
Test 22 - Damper Test ........................................................53
Digital Input Test ...................................................................53
Test 23 - Fresh Food Door ..................................................53
Test 24 - Freezer Door ........................................................53
Test 26 - DTT (Defrost Limit Switch) ..................................53
Test 28 - Dispenser Paddle Test .........................................53
Test 36 - Ice Door Test .......................................................53
Test 29 - Fresh Food Thermistor ........................................53
Test 30 - Freezer Thermistor ...............................................53
Test 33 - Ambient Thermistor .............................................53
Firmware Versions ................................................................54
Test 34 - What software is on the control boards ...............54
Manual Defrost ...................................................................54
Show Room Mode ..............................................................54
Notes ....................................................................................55
Control Removal and Installation ..........................................56
Food Compartment Light Switch ..........................................59
Freezer Compartment Light Switch .......................................59
Lighting Control ....................................................................59
Temperature Resistance Chart ..............................................60
Section D - Air Circulation ........................................ 62
Automatic Defrost Models ....................................................62
Principals of Automatic Defrost Operation .........................62
Air Circulation Patterns .......................................................62
Section E - Refrigeration System ................................ 63
Definitions ............................................................................63
Recovery ............................................................................63
Recycling ............................................................................63
Reclaim ..............................................................................63
Safety Warnings....................................................................63
Compressor Testing ...........................................................63
Charging Sealed Systems ...................................................63
Soldering ............................................................................64
Basic Components ................................................................64
Perimeter Hot Tube ...............................................................64
Refrigerant Cycle ..................................................................64
Lor or High Side Leak or Undercharge ..................................64
Testing for Refrigerant Leaks ................................................65
Checking for Internal (Hot Tube) Leaks .................................65
Compressor Replacement .....................................................66
To flush the system ............................................................66
To use dry nitrogen to flush the system .............................66
To use refrigerant to flush the system ................................66
Installing a New Compressor ................................................67
Evaporator Replacement .......................................................69
Heat Exchanger Replacement ...............................................70
To replace the heat exchanger: ...........................................70
Perimeter Hot Tube Repair Kit...............................................72
Bypassing Perimeter Hot Tube - Step 1 ..............................72
Installing the Heater Wire - Step 2 ......................................72
Installing the Heater Wire - Step 3 ......................................73
Condenser Replacement .......................................................73
Filter-Drier Installation ..........................................................74
Evacuating and Recharging ..................................................74
Equipment needed ..............................................................75
Installing Evacuation and Recharging Equipment ...............75
Evacuating System .............................................................75
Charging the System ..........................................................76
Final Leak Test ....................................................................76
Section E - R-134a Service Information ........................ 78
Verify Refrigerant Type in the System ...................................78
Dedicated Equipment ............................................................78
R-134a Refrigeration Systems ..............................................78
Miscibility of R-134a and Ester Oil ........................................78
Water in the Refrigeration System ........................................79
Vacuum Pump Maintenance .................................................79
Refrigerant Leaks ..................................................................80
Leak Detection ......................................................................80
HFC-134a, CFc-12 Pressure Temperature Chart ....................81
Inhalation Toxicity .................................................................81
Cardiac Sensitization .............................................................81
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