Table Of Contents - Amana ASXC16 Service And Troubleshooting

Table of Contents

Table Of Contents1
Important Information2
Safe Refrigerant Handling3
To Avoid Possible Explosion3
Product Identification4
Product Information4
System Operation18
Communicating System18
Airflow Considerations18
Control Wiring18
Communications Troubleshooting Chart19
Cooling20
Cooling Cycle20
Heating21
Defrost Cycle - Communicating Models21
Heating Cycle21
Reversing Valve22
Electrical Failure22
Troubleshooting Mechanical Failures On Reversing Valve By Pressure22
Trouble Shooting Mechanical Failures On Reversing Valve By Temperature22
Sequence Of Operation23
Cooling Operation - Low And High Stage Cool23
Heating Operation - Auxiliary/Emergency Heat23
Continuous Fan Operation23
Checking Voltage26
Checking Wiring26
Avptc Motor Orientation26
Unit Supply Voltage26
Servicing26
Comfortbridge™ Technology Air Handler (B*)26
Cool Cloud Hvac Phone Application27
Quick Start Guide For Communicating Outdoor Units27
Charging28
Download The Cool Cloud Hvac Phone Application28
Auxiliary Alarm Switch29
Start-Up Procedure29
Dehumidification29
Accessory Control29
Dehumidification Control Options31
Checking Transformer And Control Circuit32
Checking Time Delay Relay32
Checking Unitary (Uc) Control Compressor32
Testing Coil Circuit32
Contactor/Relay Contacts33
Checking High And Low Voltage To Ecm Motor33
Checking Fan Relay Contacts - Ecm Fan Motor33
Checking Relay Contacts - Psc Fan Motor33
Checking High Pressure Control34
Checking Low Pressure Control34
Testing High Pressure Control In Heating Mode34
Copeland Comfort Alert™ - Unitary (Uc) Control Diagnostics Applies To Asxc, Aszc, And Dszc 2-Stage Models34
Checking Capacitor35
Capacitor, Run35
Resistance Check Using A Digital Multi-Meter35
Check For Analog Meter35
Checking High And Low Pressure Switch Voltage35
Capacitance Check Using A Digital Multi-Meter (In Capacitance Mode)35
Capacitor, Start36
General Checks/Considerations36
Testing A Run Capacitor Under Load36
Emerson Ultracheck-Ez Diagnostic Tool36
Checking Emerson Ultratech™ Ecm Motors36
Electrical Checks - High Voltage Power Circuits37
Electrical Checks - Low Voltage Control Circuits38
Motor Control/End Bell Checks38
Motor Checks38
Checking Compressor39
Resistance Test39
Testing Compressor Windings39
Ground Test40
Locked Rotor Test40
Compressor Ground Test40
Unloader Test Procedure With Comfort40
Alert™ Unitary (Uc) Control Diagnostics40
Operation Test41
Copeland Compressor41
With Power On41
Testing Crankcase Heater (Optional Item)41
Testing Defrost Control42
Checking Reversing Valve And Solenoid42
Ohm Reading Of Communicating Outdoor Unit Sensors42
Testing Temperature Sensors (Communicating Ready Models Only)42
Troubleshooting43
Motor Control Circuits43
Avptc/Mbvc Heater Control43
Electric Heat Sequencer Outputs43
Electric Heater (Optional Item)44
Data Line Voltage Troubleshooting And Bias Switches44
Control System – General Information45
System Target Runtime45
Electric Heater Capacity Btuh45
Circulator Blower Speed46
Checking Heater Limit Control(S)47
Refrigeration Repair Practice47
When Repairing The Refrigeration System47
Checking Heater Fuse Link (Optional Electric Heaters)47
Checking Heater Elements47
Brazing Materials48
System Evacuation48
Leak Testing (Nitrogen Or Nitrogen-Traced)48
Deep Vacuum Method48
Triple Evacuation Method (Alternate)49
Expansion Valve System50
Final Charge Adjustment50
Heat Pump - Heating Cycle51
Checking Compressor Efficiency51
Checking Superheat51
Overfeeding51
Underfeeding51
Checking Subcooling52
Checking Expansion Valve Operation52
Expansion Valve Kits53
Pressure Vs. Temperature Chart54
Required Liquid Line Temperature55
Checking Restricted Liquid Line56
Overcharge Of Refrigerant56
Compressor Burnout56
Non-Condensables56
Suction Line Drier Clean-Up Method57
Refrigerant Piping57
Single Piece Air Handler External Static Pressure57
Maintenance58
Cleaning Outdoor Coil58
Cleaning Outdoor Fan Blade58
Cleaning Aluminum Coils58
Two Piece Air Handler External Static Pressure58
Menu Navigation And Selection Instructions64
Airflow Settings Instructions64
Using On-Board Push Buttons64
Using Phone Application Over Bluetooth Network64
System Troubleshooting71
Unitary Diagnostic Codes71
Wiring Diagrams85
3-Phase Heat Kit85
25Kw Heat Kit85