Friedrich
R410A
manual
Vpak 24K BTU/h Models
Troubleshooting
Error codes
Explanation of charts
Maintenance
Refrigeration Assembly
Single Phase Connections
High Temperatures
Components Testing
Safety
Technical Service Data
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Contents
Single Package Vertical Air Conditioning System
Table of Contents
Important Safety Information
Your safety and the safety of others are very important
Refrigeration System Hazards
Introduction
Property Damage Hazards
00001
Serial Number
Year Manufactured Production RUN Number
Product Line
Electrical Requirements
Chassis Specifi cations
Technical Service Data
Cooling Performance Data
Electronic Control Board Features
Quiet Start/Stop
Heat Mode in Cool with Electric Heat Units
Compressor Lock Out Time
Low Voltage Interface Connections
Electric Shock Hazard
Service
CUT/SEVER Hazard
Vpak 9-18K BTU Units Components Identification
Ground Air Intake
Vpak 24K BTU Units Components Identification
Air Intake Front Side
Error Codes and Alarm Status
Components Testing
Fuse 10 Amps 250 VaC
Capacitor Check with Capacitor Analyzer
Capacitor Connections
Blower / FAN Motor
Blower / FAN Motor Test
Heater Elements and Limit SWITCHES’ Specifications
Drain PAN Valve
External Static Pressure
Explanation of charts
Refrigeration Assembly
Refrigeration Sequence of Operation
Sealed Refrigeration System Repairs
Equipment Required
Equipment Must be Capable
Risk of Electric Shock
Method Of Charging / Repairs
Undercharged Refrigerant Systems
Burn Hazard
Freeze Hazard
Overcharged Refrigerant Systems
Restricted Refrigerant System
Cooling Mode
Heating Mode
Hermetic Components Check
Capillary Tube Systems
Reversing Valve DESCRIPTION/OPERATION
Fire Hazard
Procedure For Changing Reversing Valve
Touch Test in Heating/Cooling Cycle
Single Phase Connections
Single Phase Running and L.R.A. Test
Locked Rotor Voltage L.R.V. Test
Determine L.R.V
Single Phase Resistance Test
External Overload Vpak 9, 12, 18 K Btus
Internal Overload Vpak 24 K Btus
Ground Test
Recommended procedure for compressor replacement
High Temperatures
Routine Maintenance
Electrical Shock Hazard
Room AIR Conditioner Unit Performance Test Data Sheet
THERMISTORS’ Resistance Values
Electrical Troubleshooting Chart Cooling
9K BTU, 12K BTU, & 18K BTU
Electrical Troubleshooting Chart Cooling 24K BTU
Compressor outdoor
Electrical Troubleshooting Chart Heat Pump
Heat Pump Mode
Troubleshooting Chart Cooling
Troubleshooting Chart Heating Heat Pump
Remote Wall Thermostat Wiring Diagrams
Heat Pump with Electric Heat
GH GL B Y
RT6
Cool with Electric Heat
6TR
GH GL B Y W R GH GL O/B Y W
Wiring Diagram Heat Pump EH
5KW, 10.0KW
Model Description Photo
Friedrich Air Conditioning Company
Vpak 9K-18K BTU/h Models
Vpak 9K-18K BTU/h Models
Vpak 9K-18K BTU/h Models
Vpak 9K-18K BTU/h Models
9K-18K BTU/h Models Vpak Parts List
Vpak 24K BTU/h Models
Vpak 24K BTU/h Models
Vpak 24K BTU/h Models
Vpak 24K BTU/h Models
24K BTU/h Models Vpak Parts List
Technical Support Contact Information
Friedrich AIR Conditioning CO
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