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Friedrich R410A manual Friedrich Air Conditioning Co, Printed in the U.S.A, VPK-ServMan-L

Models: R410A

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FRIEDRICH AIR CONDITIONING CO.

10001 Reunion Place, Ste. 500, San Antonio, TX 78216 P 210-546-0500 F 210-546-0731 www.friedrich.com

Printed in the U.S.A.

VPK-ServMan-L (4-11)

Page 61

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Friedrich R410A manual Friedrich Air Conditioning Co, Printed in the U.S.A, VPK-ServMan-L

Contents

L-BSufﬁ x, R410A Models Single Package Vertical Air Conditioning System9-18K24K A Series Electronic ControlsTable of Contents PERSONAL INJURY OR DEATH HAZARDS IMPORTANT SAFETY INFORMATIONELECTRICAL HAZARDS NOTICEMECHANICAL HAZARDS REFRIGERATION SYSTEM HAZARDSPROPERTY DAMAGE HAZARDS INTRODUCTIONFIRE DAMAGE HAZARDS WATER DAMAGE HAZARDSSampleNameplateseeyourchassis nameplate 00001VPAK SERIAL NUMBER IDENTIFICATION GUIDE MODEL IDENTIﬁCATION GUIDEELECTRICAL REQUIREMENTS NOTICEELECTRIC SHOCK HAZARD ELECTRICAL DATAFor VPAK Cool with Electric Heat 24K Chassis Speciﬁ cationsFor VPAK Heat Pumps 24K ELECTRICAL DATAExtended Cooling Performance Data TECHNICAL SERVICE DATA Cooling Performance DataModel # Model #ELECTRONIC CONTROL BOARD FEATURES Heat Mode in Cool with Electric Heat Units Compressor Heat Heat / Cool UnitsHeat Pump With Electric Heat Operation ConditionHeating Fan Delay Cooling Fan DelayFan Speed Change Delay RoomAirSamplingFeatureRemote Wall Thermostat Connecting a Remote Wall ThermostatLow Voltage Interface Connections Figure 1 Interface Connector LocationREMOTE WALL THERMOSTAT LOCATION SERVICEWarranty Servicing/ChassisQuickChangeoutsFront Side Right Side VPAK 9-18KBTU UNITS COMPONENTS IDENTIFICATIONLeft and Front Sides Left and Back Sides Ground Air IntakeAir Intake Front Side VPAK 24K BTU UNITS COMPONENTS IDENTIFICATIONLeft and Back Sides Right Side CondenserCheck Error Codes ERROR CODES AND ALARM STATUSError ProblemTesting the Diagnostic Service Module COMPONENTS TESTINGTesting the Electronic Control Board Diagnostic Service Module2.Test the 10 amp/250 VAC fuse for continuity CAPACITORS COMPONENTS TESTING ContinuedCapacitor Check with Capacitor Analyzer Capacitor ConnectionsCOMPONENTS TESTING CONTINUED External Static Pressure Determining the Indoor CFM: Chart A – CFMChecking External Static Pressure Chart B – Correction Multipliers Explanation of chartsIndoor Airflow Data Ductwork PreparationRefrigeration Assembly REFRIGERATION SEQUENCE OF OPERATIONRefrigerant Charging SEALED REFRIGERATION SYSTEM REPAIRSUndercharged Refrigerant Systems Method Of Charging / RepairsBURN HAZARD FREEZE HAZARDRestricted Refrigerant System Overcharged Refrigerant SystemsMETERING DEVICE HERMETIC COMPONENTS CHECKCHECK VALVE Capillary Tube SystemsREVERSING VALVE DESCRIPTION/OPERATION TESTING THE COILCHECKING THE REVERSING VALVE ELECTRIC SHOCK HAZARDNOTICE Procedure For Changing Reversing ValveTouch Test in Heating/Cooling Cycle Single Phase Running and L.R.A. Test Single Phase ConnectionsCOMPRESSOR CHECKS Locked Rotor Voltage L.R.V. TestExternal Overload VPAK 9, 12, 18 K Btus Single Phase Resistance TestInternal Overload VPAK 24 K Btus BURN HAZARDRecommended procedure for compressor replacement COMPRESSOR REPLACEMENTNOTICE ROUTINE MAINTENANCE GOOD HOW IS ALL OF THE INSTALLATION?Sizing Guide This Table Applies to All Thermistors THERMISTORS’ RESISTANCE VALUESFAHRENHEIT 9K BTU, 12K BTU, & 18K BTU ELECTRICAL TROUBLESHOOTING CHART - COOLINGNO COOLING OPERATION check for ErrorELECTRICAL TROUBLESHOOTING CHART - COOLING 24K BTUBefore continuing check for Error Codes, see electronics control diagnostics on pageSYSTEM COOLS WHEN HEATING IS DESIRED ELECTRICAL TROUBLESHOOTING CHART HEAT PUMPHEAT PUMP MODE Is Selector Switch set for Heat?TROUBLESHOOTING CHART - HEATING HEAT PUMP TROUBLESHOOTING CHART - COOLINGPROBLEM REFRIGERANT SYSTEM DIAGNOSIS COOLINGCOOL WITH ELECTRIC HEAT REMOTE WALL THERMOSTAT WIRING DIAGRAMSC GH GL B Y W R RC GH GL O/B Y W HEAT PUMP WITH ELECTRIC HEATLEGEND FOR TSTAT WIRING HARNESS WIRING DIAGRAM COOL EH 2.5KW, 3.4KW, 5.0KWVEA 9K12K/18K GH GL B YLEGEND FOR TSTAT WIRING HARNESS WIRING DIAGRAM HEAT PUMP EH 2.5KW, 3.4KW, 5.0KWVHA 9K/12K/18K 9216030192160601 COOL WITH ELECTRIC HEATC S R COOL WITH ELECTRIC HEAT LEGEND FOR TSTAT WIRING HARNESS7.5KW, 10.0KW 92160701LEGEND FOR TSTAT WIRING HARNESS WIRING DIAGRAM HEAT PUMP EH2.5KW, 3.4KW, 5.0KW VHA 24KLEGEND FOR TSTAT WIRING HARNESS WIRING DIAGRAM HEAT PUMP EH7.5KW, 10.0KW VHA 24KVPAWP1-8 ACCESSORIESVPAWP1-14 VPAL2VERT-I-PAK A SERIES LIMITED WARRANTYSINGLE PACKAGE VERTICAL AIR CONDITIONERS 8 4 7 1 9 10 2011 VPAK 9K-18KBTU/h Models3 5 11 2011 VPAK 9K-18KBTU/h Models 16 17 15 13 14 1225 26 16 28 2011 VPAK 9K-18KBTU/h Models2011 VPAK 9K-18KBTU/h Models 20 19 18 22 219K-18KBTU/h Models 2011 VPAK Parts List2 4 1 6 5 9 8 32011 VPAK 24K BTU/h Models 15 23 13 12 22 11 21 19 20 14 10 162011 VPAK 24K BTU/h Models 2011 VPAK 24K BTU/h Models 24 26 30 29 28 25 142011 VPAK 24K BTU/h Models 33 31 322011 VPAK Parts List 24K BTU/h ModelsFRIEDRICH AUTHORIZED PARTS DEPOTS CUSTOMER SATISFACTION and QUALITY ASSURANCETECHNICAL SUPPORT CONTACT INFORMATION FRIEDRICH AIR CONDITIONING COPrinted in the U.S.A FRIEDRICH AIR CONDITIONING COVPK-ServMan-L