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V(E, H)A09K25 service manual
Models:
V(E
H)A09K25
1
35
44
44
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44 pages
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Troubleshooting
Specifications
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
VE,HA09K25
Single Package Vertical Air Conditioning System
A - H Suffix Models
MODELS
Table of Contents
Introduction
Model Identification Guide
Serial Number Identification Guide
VEA / VHA09,12
VERT-I-PAK H SUFFIX CHASSIS SPECIFICATIONS
ELECTRIC HEAT DATA
VEA/VHA9K-24K
VEA / VHA09,12
VERT-I-PAK E & G SUFFIX CHASSIS SPECIFICATIONS
ELECTRIC HEAT DATA
VEA / VHA9K-24K
VERT-I-PAK A - D SUFFIX CHASSIS SPECIFICATIONS
Refrigeration Assembly
Sequence of Operation
Control Low Voltage
Electrical Supply
Supply Circuit
Supply Voltage
Location
Room Thermostats
Heat Anticipators
SHOWN BELOW
Typical Electrical & Thermostat Wiring Diagrams
FOR 208 VOLT MODELS ONLY MOVE THE WHITE WIRE AS
VEA/VHA 24K
COM
G & H Suffix
Typical Electrical & Thermostat Wiring Diagrams
RT1 THERMOSTAT FRONT
SHOWN BELOW
A - E Suffix
Typical Electrical & Thermostat Wiring Diagrams
FOR 208 VOLT MODELS ONLY MOVE THE WHITE WIRE AS
Cooling
Indoor Blower - Airflow
Condenser Fan Motors
Blower Wheel Inspection
Electric Heat Strips
Checking External Static Pressure
Checking Approximate Airflow
Airflow Charts A - D Suffix
Explanation of charts
Ductwork Preparation
Refrigerant Charging
Undercharged Refrigerant Systems
Method Of Charging
Restricted Refrigerant Systems
Overcharged Refrigerant Systems
Electrical Circuit and Coil
Testing Coil
Metering Device - Capillary Tube Systems
Reversing Valve Description/Operation
Touch Test in Heating/Cooling Cycle
Procedure For Changing Reversing Valve
Checking Reversing Valve
FROM ELECTRICAL SHOCK
Single Phase Running and L.R.A. Test
Compressor Checks
DANGER OF BODILY INJURY OR DEATH
Repeat Step 8 to insure no more leaks are present
Single Phase Resistance Test
Recommended Procedure for Compressor Replacement
Capacitor Check With Capacitor Analyzer
Capacitors
Capacitor Connections
Heat Pumps Only
Electric Heat Switch Operation
Electric Heat Switch Check Out
MODEL
Wiring Diagram Index
DIAGRAM
DIAGRAM
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
REFRIGERANT SYSTEM DIAGNOSIS HEATING
TROUBLESHOOTING CHART - COOLING
TROUBLESHOOTING CHART - HEATING
REFRIGERANT SYSTEM DIAGNOSIS COOLING
Is Selector Switch set for Heat?
ELECTRICAL TROUBLESHOOTING CHART HEAT PUMP
SYSTEM COOLS WHEN HEATING IS DESIRED
HEAT PUMP
Page
4200 N. Pan Am Expressway · San Antonio, Texas
Use Factory Certified Parts
FRIEDRICH AIR CONDITIONING CO
Post Office Box 1540 · San Antonio, Texas
