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V(E, H)A09K25 service manual
Models:
V(E
H)A09K25
1
37
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44
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44 pages
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Troubleshooting
Specs
Typical Electrical & Thermostat Wiring Diagrams
Recommended Procedure for Compressor Replacement
FOR 208 VOLT MODELS ONLY MOVE THE WHITE WIRE AS
Refrigeration Assembly
Procedure For Changing Reversing Valve
Single Phase Running and L.R.A. Test
How to
Testing Coil
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Contents
A - H Suffix Models
Single Package Vertical Air Conditioning System
MODELS
VE,HA09K25
Table of Contents
Introduction
Model Identification Guide
Serial Number Identification Guide
ELECTRIC HEAT DATA
VERT-I-PAK H SUFFIX CHASSIS SPECIFICATIONS
VEA/VHA9K-24K
VEA / VHA09,12
ELECTRIC HEAT DATA
VERT-I-PAK E & G SUFFIX CHASSIS SPECIFICATIONS
VEA / VHA9K-24K
VEA / VHA09,12
VERT-I-PAK A - D SUFFIX CHASSIS SPECIFICATIONS
Refrigeration Assembly
Sequence of Operation
Supply Circuit
Electrical Supply
Supply Voltage
Control Low Voltage
Heat Anticipators
Room Thermostats
Location
FOR 208 VOLT MODELS ONLY MOVE THE WHITE WIRE AS
Typical Electrical & Thermostat Wiring Diagrams
VEA/VHA 24K
SHOWN BELOW
Typical Electrical & Thermostat Wiring Diagrams
G & H Suffix
RT1 THERMOSTAT FRONT
COM
Typical Electrical & Thermostat Wiring Diagrams
A - E Suffix
FOR 208 VOLT MODELS ONLY MOVE THE WHITE WIRE AS
SHOWN BELOW
Condenser Fan Motors
Indoor Blower - Airflow
Blower Wheel Inspection
Cooling
Checking Approximate Airflow
Checking External Static Pressure
Electric Heat Strips
Ductwork Preparation
Explanation of charts
Refrigerant Charging
Airflow Charts A - D Suffix
Undercharged Refrigerant Systems
Method Of Charging
Restricted Refrigerant Systems
Overcharged Refrigerant Systems
Metering Device - Capillary Tube Systems
Testing Coil
Reversing Valve Description/Operation
Electrical Circuit and Coil
Checking Reversing Valve
Procedure For Changing Reversing Valve
Touch Test in Heating/Cooling Cycle
Compressor Checks
Single Phase Running and L.R.A. Test
DANGER OF BODILY INJURY OR DEATH
FROM ELECTRICAL SHOCK
Recommended Procedure for Compressor Replacement
Single Phase Resistance Test
Repeat Step 8 to insure no more leaks are present
Capacitor Connections
Capacitors
Capacitor Check With Capacitor Analyzer
Electric Heat Switch Check Out
Electric Heat Switch Operation
Heat Pumps Only
DIAGRAM
Wiring Diagram Index
DIAGRAM
MODEL
VHA09K25RTG
A - D Suffix only
A - D Suffix only
A - D Suffix only
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NO COOLING
9-18ELECTRICAL TROUBLESHOOTING CHART - COOLING
NO COOLING
2-TONELECTRICAL TROUBLESHOOTING CHART - Cooling
TROUBLESHOOTING CHART - HEATING
TROUBLESHOOTING CHART - COOLING
REFRIGERANT SYSTEM DIAGNOSIS COOLING
REFRIGERANT SYSTEM DIAGNOSIS HEATING
SYSTEM COOLS WHEN HEATING IS DESIRED
ELECTRICAL TROUBLESHOOTING CHART HEAT PUMP
HEAT PUMP
Is Selector Switch set for Heat?
Page
FRIEDRICH AIR CONDITIONING CO
Use Factory Certified Parts
Post Office Box 1540 · San Antonio, Texas
4200 N. Pan Am Expressway · San Antonio, Texas
