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Table Of Contents - Friedrich 000 BTU'S Service Manual

Vert-i-pak a series single package vertical air conditioning system
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Table of Contents
Important Safety Information .............................................2
Introduction ........................................................................4
Serial Number Identification Guide ....................................5
Electrical Requirements ....................................................10
V-PAK Electronic Control Board Features ........................13
Electronic Control Configuration .......................................14
Diagnostics/Test Mode ................................................14-15
Electronic Control Board/Wall Thermostat
Sequence of Operation ...............................................16-18
Component Description ....................................................19
Checking External Static Pressure ...................................20
Checking Approximate Airflow ..........................................20
Airflow Charts ...................................................................21
Components Testing ....................................................22-23
Refrigeration Sequence of Operation ...............................24
Service ..............................................................................25
Sealed Refrigeration System Repairs ...............................26
Refrigerant Charging .........................................................26
Method Of Charging ..........................................................27
Undercharged Refrigerant Systems ..................................28
Overcharged Refrigerant Systems ....................................28
Restricted Refrigerant Systems ........................................29
Capillary Tube Systems/Check Valve ...............................30

Table of Contents

Checking Reversing Valves ...........................................32
Touch Testing Heating/Cooling Cycle ...........................33
Compressor Checks ......................................................34
Locked Rotor Voltage Test ............................................34
Single Phase Connections ...........................................34
Determine Locked Rotor Voltage .................................34
Locked Rotor Amperage Test ........................................34
External Overload .........................................................34
Checking the External Overload ...................................34
Checking the Internal Overload ....................................34
Compressor Replacement ......................................36-37
Routine Maintenance ..............................................38-39
Thermistors Resistance Valves ...................................50
Accessories .................................................................51
Warranty ......................................................................52
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