Friedrich Single Package Vertical Air Conditioning System Service & Parts manual 2011 2012

V(E, H)A09K25L-* V(E, H)A09K34L-* V(E, H)A09K50L-*
V(E, H)A12K25L-* V(E, H)A12K34L-* V(E, H)A12K50L-*
V(E, H)A18K25L-* V(E, H)A18K34L-* V(E, H)A18K50L-*
V(E, H)A24K25L-* V(E, H)A24K34L-* V(E, H)A24K50L-*
V(E, H)A24K75L-* V(E, H)A24K10L-*
L-B Suffi x, R410A Models
*Last Character May Vary


Important Safety Information ...........................................
Introduction .........................................................................
Vert-I-Pak Model Number Identifi cation Guide ...................
Serial Number Identifi cation Guide ....................................
Electrical Requirements .....................................................
Chassis Specifi cations .......................................................
Cooling Performance Data .................................................
Extended Cooling Performance .........................................
Electronic Control Features ..............................................
Electronic Control Sequence of Operation ...................
Low Voltage Interface Connections ..................................
Service ..............................................................................
VPAK 9-18 BTU Units Components Identifi cation ............
VPAK 9-18 BTU Units Components Identifi cation ............
Error Codes and Alarm Status ..........................................
Components Testing .........................................................
Electronic Control Board Components Identifi cation ........
Components Testing (Continued) ................................
Refrigerant Sequence of Operation .................................
Sealed Refrigeration System Repairs ..............................
Refrigerant Charging ........................................................
Method Of Charging ....................................................
Undercharged Refrigerant Systems .................................
Overcharged Refrigerant Systems ...................................
Restricted Refrigerant Systems .......................................
Capillary Tube Systems/Check Valve ..............................
Reversing Valve Description/Operation ......................
Testing Coil .................................................................
Checking Reversing Valves ........................................
Reversing Valve
Touch Testing Heating/Cooling Cycle ...................
Procedure For Changing Reversing Valve .............
Compressor Checks ....................................................
Locked Rotor Voltage Test ..........................................
Single Phase Connections .........................................
Determine Locked Rotor Voltage ...............................
Locked Rotor Amperage Test ......................................
Single Phase Running & Locked Rotor Amperage .....
Checking the Overload ...........................................
External Overload .......................................................
Compressor Single Phase Resistance Test ................
Compressor Replacement .....................................
Routine Maintenance ..................................................
Unit Performance Test Data Sheet ..............................
Thermistor Resistance Values .....................................
Troubleshooting Charts ..........................................
Remote Wall Thermostat Wiring Diagrams .................
Electrical and Thermostat Wiring Diagrams ...........
Accessories .................................................................
Warranty ......................................................................
VPAK 9-18K Parts ..................................................
VPAK 24K Parts .....................................................
Technical Support/Contact Info ...................................