Friedrich 9, 000 BTU'S service manual Service, CUT/SEVER Hazard

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SERVICE

WARNING

ELECTRIC SHOCK HAZARD

Turn off electric power before service or installation.

Extreme care must be used, if it becomes necessary to work on equipment with power applied.

Failure to do so could result in serious injury or death.

WARNING

CUT/SEVER HAZARD

Be careful with the sharp edges and corners.

Wear protective clothing and gloves, etc.

Failure to do so could result in serious injury.

Servicing / Chassis Quick Changeouts

.

To Remove the Chassis from the Closet:

A.Switch the wall Thermostat off.

B.Pull the Power Disconnect located in the front of the chassis.

C.Disconnect the power coming into the unit from the main breaker panel or the closet mounted disconnect.

D.Disconnect the electrical connection.

E.Disconnect the duct work.

F.Slide the chassis out of the wall plenum.

G.Lift the chassis out of the utility closet.

Warranty

25

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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 InformationRefrigeration System Hazards Property Damage Hazards IntroductionSerial Number Identification Guide Electric Heat Data Chassis SpecificationsVEA Extended Cooling Performance Extended Cooling PerformanceVEA/VHA09-24 VEA Extended Cooling Performance Electric Shock Hazard Electrical RequirementsRT5 Two speed fan RT4 One speed fan Remote Thermostat and Low Voltage Control ConnectionsThermostat Connections Quiet Start/Stop Electronic Control Board FeaturesElectronic Control Configuration Electronic control error codes diagnostics and test mode DiagnosticsTest 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 specificationsExternal Static Pressure Indoor Airflow Data Capacitor Connections Components TestingCapacitors Capacitor Check with Capacitor AnalyzerComponents Testing Heater Elements and Limit SWITCHES’ SpecificationsDrain PAN Valve Refrigeration Sequence of Operation Refrigeration AssemblyCUT/SEVER Hazard ServiceRisk of Electric Shock Sealed Refrigeration System RepairsEquipment Required Equipment Must be CapableMethod Of Charging / Repairs Burn HazardFreeze Hazard Overcharged Refrigerant Systems Undercharged Refrigerant SystemsRestricted Refrigerant System Capillary Tube Systems Hermetic Components CheckMetering Device Check ValveReversing Valve DESCRIPTION/OPERATION Checking the Reversing Valve Testing the CoilExplosion Hazard Procedure For Changing Reversing ValveTouch Test in Heating/Cooling Cycle Fire HazardCompressor Checks Single Phase Resistance Test Ground TestChecking Compressor Efficiency Compressor Replacement Recommended procedure for compressor replacementHigh Temperatures Rotary Compressor Special Troubleshooting and Service AIR Filter Routine MaintenanceCoils and Base PAN Excessive Weight Hazard Blower Wheel / Housing / Condenser FAN / ShroudCondensate Disposal System Routine MaintenanceSleeve / Drain Front Cover9K BTU, 12K BTU, & 18K BTU Electrical Troubleshooting Chart CoolingCircuit Breakers are Electrical Troubleshooting Chart Cooling 24K BTUHeat Pump Mode Electrical Troubleshooting Chart Heat PumpTroubleshooting Chart Heating Troubleshooting Chart CoolingElectric Heat VEA 09/12/18 with 2.5 KW, 3.4 KW or 5KWVHA 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 Accessories Wall PlenumDrain PAN Friedrich Air Conditioning Company Technical Support Contact Information Friedrich AIR Conditioning CO