Friedrich
9, 000 BTU'S
service manual
Heat Pump with Electric Heat
Troubleshooting
Specs
Maintenance
Diagnostics
Accessories
Refrigeration Assembly
Single Phase Resistance Test
High Temperatures
Components Testing
Safety
Page 49
HEAT PUMP WITH ELECTRIC HEAT
ELECTRICAL & THERMOSTAT WIRING DIAGRAM VHA 24 with 2.5 KW, 3.4 KW or 5KW ELECTRIC HEAT
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Contents
Single Package Vertical Air Conditioning System
Technical Support Contact Information
Table of Contents
Your safety and the safety of others are very important
Important Safety Information
Refrigeration System Hazards
Property Damage Hazards
Introduction
Serial Number Identification Guide
Electric Heat Data
Chassis Specifications
VEA Extended Cooling Performance
Extended Cooling Performance
VEA/VHA09-24
VEA Extended Cooling Performance
Electric Shock Hazard
Electrical Requirements
RT5 Two speed fan RT4 One speed fan
Remote Thermostat and Low Voltage Control Connections
Thermostat Connections
Quiet Start/Stop
Electronic Control Board Features
Electronic Control Configuration
Diagnostics
Electronic control error codes diagnostics and test mode
Test Mode
Power On and Off Features on the Electronic Control
Cool mode control features for cool with electric heat units
Compressor operation depends on t-stat settings
VERT-I-PAK Single Packaged Vertical AIR Conditioners
Component description / A-Series specifications
External Static Pressure
Indoor Airflow Data
Capacitors
Components Testing
Capacitor Check with Capacitor Analyzer
Capacitor Connections
Heater Elements and Limit SWITCHES’ Specifications
Components Testing
Drain PAN Valve
Refrigeration Sequence of Operation
Refrigeration Assembly
CUT/SEVER Hazard
Service
Equipment Required
Sealed Refrigeration System Repairs
Equipment Must be Capable
Risk of Electric Shock
Burn Hazard
Method Of Charging / Repairs
Freeze Hazard
Overcharged Refrigerant Systems
Undercharged Refrigerant Systems
Restricted Refrigerant System
Metering Device
Hermetic Components Check
Check Valve
Capillary Tube Systems
Reversing Valve DESCRIPTION/OPERATION
Checking the Reversing Valve
Testing the Coil
Touch Test in Heating/Cooling Cycle
Procedure For Changing Reversing Valve
Fire Hazard
Explosion Hazard
Compressor Checks
Ground Test
Single Phase Resistance Test
Checking Compressor Efficiency
Recommended procedure for compressor replacement
Compressor Replacement
High Temperatures
Rotary Compressor Special Troubleshooting and Service
Coils and Base PAN Excessive Weight Hazard
Routine Maintenance
Blower Wheel / Housing / Condenser FAN / Shroud
AIR Filter
Sleeve / Drain
Routine Maintenance
Front Cover
Condensate Disposal System
9K BTU, 12K BTU, & 18K BTU
Electrical Troubleshooting Chart Cooling
Circuit Breakers are
Electrical Troubleshooting Chart Cooling 24K BTU
Heat Pump Mode
Electrical Troubleshooting Chart Heat Pump
Troubleshooting Chart Heating
Troubleshooting Chart Cooling
Electric Heat
VEA 09/12/18 with 2.5 KW, 3.4 KW or 5KW
VHA 09/12/18 with 2.5 KW, 3.4 KW or 5KW
Cool with Electric Heat
Heat Pump with Electric Heat
Cool with Electric Heat
Heat Pump with Electric Heat
Outdoor Coil Return Air Indoor Coil
Wall Plenum
Accessories
Drain PAN
Friedrich Air Conditioning Company
Technical Support Contact Information
Friedrich AIR Conditioning CO
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