Friedrich 000 BTU'S, 9 service manual Electrical Requirements, Electric Shock Hazard

Page 12

WARNING

ELECTRIC SHOCK HAZARD

Turn off electric power before service or instal- lation. All electrical connnections and wiring MUST be installed by a qualified electrician and conform to the National Electrical Code and all local codes which have jurisdiction. Failure to do so can result in personal injury and/or death.

NOTICE

ELECTRIC SHOCK HAZARD

Not following the previous WARNING could result in fire or electrically unsafe conditions which could cause moderate or serious property damage. Read, understand and follow the previous warning.

ELECTRICAL REQUIREMENTS

Wire Size

“Use ONLY time delayed fused disconnect or HACR type circuit breaker as indicated on the unit’s rating plate (see sample on this page). Proper current protection to the unit is the responsibility of the owner”.

Unit MUST

All 208/230v chassis must be hard wired with properly sized breaker. See nameplate for speci￿c chassis electrical requirements. See ￿gure 9 (Page 12) for unit wiring and wall thermostat wiring. See Electrical Rating Table below for wire siz Use HACR type breakers to avoid nuisance trips. All ￿eld wiring must be done in accordance with NEC and local codes.

Electrical Rating Tables

 

 

 

 

15A

14

20A

12

30A

10

Supply voltage

Supply voltage to the unit should be a nominal 208/230 volts. It must be between 197 volts and 253 volts. Supply voltage to the unit should be checked WITH THE UNIT IN OPERATION. Voltage readings outside the specified range can be expected to cause operating problems. Their cause MUST be investigated and corrected.

Sample Nameplate

120524

COOLING EQUIPMENT

FOLLOWING ITEMS

OUTDOOR GRILLE

INDOOR GRILLE

10

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Contents Single Package Vertical Air Conditioning System Technical Support Contact Information Table of Contents Important Safety Information Your safety and the safety of others are very importantRefrigeration System Hazards Introduction Property Damage HazardsSerial Number Identification Guide Chassis Specifications Electric Heat DataExtended Cooling Performance VEA Extended Cooling PerformanceVEA/VHA09-24 VEA Extended Cooling Performance Electrical Requirements Electric Shock HazardRemote Thermostat and Low Voltage Control Connections RT5 Two speed fan RT4 One speed fanThermostat Connections Electronic Control Board Features Quiet Start/StopElectronic 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 Component description / A-Series specifications VERT-I-PAK Single Packaged Vertical AIR ConditionersExternal Static Pressure Indoor Airflow Data Components Testing CapacitorsCapacitor Check with Capacitor Analyzer Capacitor ConnectionsComponents Testing Heater Elements and Limit SWITCHES’ SpecificationsDrain PAN Valve Refrigeration Assembly Refrigeration Sequence of OperationService CUT/SEVER HazardSealed Refrigeration System Repairs Equipment RequiredEquipment Must be Capable Risk of Electric ShockMethod Of Charging / Repairs Burn HazardFreeze Hazard Undercharged Refrigerant Systems Overcharged Refrigerant SystemsRestricted Refrigerant System Hermetic Components Check Metering DeviceCheck Valve Capillary Tube SystemsReversing Valve DESCRIPTION/OPERATION Testing the Coil Checking the Reversing ValveProcedure For Changing Reversing Valve Touch Test in Heating/Cooling CycleFire Hazard Explosion HazardCompressor Checks Single Phase Resistance Test Ground TestChecking Compressor Efficiency Compressor Replacement Recommended procedure for compressor replacementHigh Temperatures Rotary Compressor Special Troubleshooting and Service Routine Maintenance Coils and Base PAN Excessive Weight HazardBlower Wheel / Housing / Condenser FAN / Shroud AIR FilterRoutine Maintenance Sleeve / DrainFront Cover Condensate Disposal SystemElectrical Troubleshooting Chart Cooling 9K BTU, 12K BTU, & 18K BTUElectrical Troubleshooting Chart Cooling 24K BTU Circuit Breakers areElectrical Troubleshooting Chart Heat Pump Heat Pump ModeTroubleshooting Chart Cooling Troubleshooting Chart HeatingVEA 09/12/18 with 2.5 KW, 3.4 KW or 5KW Electric HeatVHA 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