Friedrich 9, 000 BTU'S instruction

Service Manual

A SERIES *(Electronic Control)

Single Package
Vertical Air Conditioning System		Models
For Years 2009 and 2008		Models
		9,000 BTU’s
		9,000 BTU’s
		12,000 BTU’s
		18,000 BTU’s
VPK-ServMan (04-09)		24,000 BTU’s
VPK-ServMan (04-09)		24,000 BTU’s

Image 1

Friedrich 9, 000 BTU'S service manual Single Package Vertical Air Conditioning System

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 modeTest 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 TestingCapacitor Check with Capacitor Analyzer Capacitor Connections Heater Elements and Limit SWITCHES’ Specifications Components TestingDrain PAN Valve Refrigeration Sequence of Operation Refrigeration Assembly CUT/SEVER Hazard Service Equipment Required Sealed Refrigeration System RepairsEquipment Must be Capable Risk of Electric Shock Burn Hazard Method Of Charging / RepairsFreeze Hazard Overcharged Refrigerant Systems Undercharged Refrigerant Systems Restricted Refrigerant System Metering Device Hermetic Components CheckCheck 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 ValveFire Hazard Explosion Hazard Compressor Checks Ground Test Single Phase Resistance TestChecking Compressor Efficiency Recommended procedure for compressor replacement Compressor ReplacementHigh Temperatures Rotary Compressor Special Troubleshooting and Service Coils and Base PAN Excessive Weight Hazard Routine MaintenanceBlower Wheel / Housing / Condenser FAN / Shroud AIR Filter Sleeve / Drain Routine MaintenanceFront 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 AccessoriesDrain PAN Friedrich Air Conditioning Company Technical Support Contact Information Friedrich AIR Conditioning CO