Friedrich R410A manual

Contents

Main 2011-2012 Service/Parts Manual A Table of Contents IMPORTANT SAFETY INFORMATION PERSONAL INJURY OR DEATH HAZARDS ELECTRICAL HAZARDS: Your safety and the safety of others are very important. WARNING CAUTION NOTICE REFRIGERATION SYSTEM HAZARDS: MECHANICAL HAZARDS: PROPERTY DAMAGE HAZARDS FIRE DAMAGE HAZARDS: WATER DAMAGE HAZARDS: INTRODUCTION Model Identi cation Guide SAMPLE Sample Nameplate (see your chassis nameplate) A A A N 00001 VPAK Serial Number Identification Guide Wire Size WARNING NOTICE Electrical Data Recommended Branch Circuit Wire Sizes ** * AWG-American Wire Gauge 14 12 10 14 12 10 14 12 10 Chassis Speci cations Model 2011 VEA09K VEA12K VEA18K VEA24K VHA09K VHA12K VHA18K VHA24K Electrical Data COOLING DATA HEAT PUMP DATA Extended Cooling Performance Data Model # Cooling Performance Data TECHNICAL SERVICE DATA ELECTR ONIC CONTR OL BO ARD FEA TURES Page Page ELECTRIC SHOCK HAZARD Low Voltage Interface Connections Remote Wall Thermostat Connecting a Remote Wall Thermostat SERVICE Servicing / Chassis Quick Changeouts Remote Wall Thermostat Location VPAK 9-18K BTU UNITS COMPONENTS IDENTIFICATION Air Intake Left and Back Sides Right Side Front Side VPAK 24K BTU UNITS COMPONENTS IDENTIFICATION Front Side Left and Back Sides Right Side Air Intake Error Codes and Alarm Status COMPONENTS TESTING Testing the Diagnostic Service Module Testing the Electronic Control Board Page CAPACITORS Capacitor Check with Capacitor Analyzer Capacitor Connections COMPONENTS TESTING (Continued) External Static Pressure Checking External Static Pressure Determining the Indoor CFM: Chart A CFM Ductwork Preparation Fresh Air Door Indoor Airflow Data Checking Approximate Air ow Electric Heat Strips REFRIGERA TION SEQUENCE OF OPERA TION 23 Refrigeration Assembly Refrigerant Charging SEALED REFRIGERATION SYSTEM REPAIRS Method Of Charging / Repairs Undercharged Refrigerant Systems Overcharged Refrigerant Systems Restricted Refrigerant System METERING DEVICE Capillary Tube Systems HERMETIC COMPONENTS CHECK CHECK VALVE REVERSING VALVE DESCRIPTION/OPERATION TESTING THE COIL WARNING WARNING Procedure For Changing Reversing Valve NOTICE Touch Test in Heating/Cooling Cycle Locked Rotor Voltage (L.R.V.) Test Single Phase Connections 30 COMPRESSOR CHECKS Checking the Overload Single Phase Resistance Test External Overload VPAK 9, 12, 18 K Btus Internal Overload VPAK 24 K Btus Recommended procedure for compressor replacement COMPRESSOR REPLACEMENT NOTICE ROUTINE MAINTENANCE YES NO This is a general guide. Please consult manual J or M for exact load calculations. Sizi n g Guide THERMISTORS RESISTANCE VALUES (This Table Applies to All Thermistors) ELECTRICAL TROUBLESHOOTING CHART - COOLING 9K BTU, 12K BTU, & 18K BTU NO COOLING OPERATION Before continuing check for Error Codes, see electronics control diagnostics on page 16 Defective t-stat defective control wiring or transformer ELECTRICAL TROUBLESHOOTING CHART - COOLING 24K BTU NO COOLING OPERATION Before continuing check for Error Codes, see electronics control diagnostics on page 16 Defective t-stat defective control wiring or transformer ELECTRICAL TROUBLESHOOTING CHART HEAT PUMP HEAT PUMP MODE REFRIGERANT SYSTEM DIAGNOSIS COOLING REFRIGERANT SYSTEM DIAGNOSIS HEATING PROBLEM PROBLEM PROBLEM PROBLEM TROUBLESHOOTING CHART - COOLING TROUBLESHOOTING CHART - HEATING (HEAT PUMP) REMOTE WALL THERMOSTAT WIRING DIAGRAMS VEA 09/12/18 with 2.5 KW, 3.4 KW or 5KW ELECTRIC HEAT HEATER 2.5 KW & 3.5 KW VEA 9K12K/18K 2.5KW, 3.4KW, 5.0KW WIRING DIAGRAM COOL EH VHA 09/12/18 with 2.5 KW, 3.4 KW or 5KW ELECTRIC HEAT HEATER 2.5 KW & 3.5 KW VHA 9K/12K/18K 2.5KW, 3.4KW, 5.0KW WIRING DIAGRAM HEAT PUMP EH VEA 24 with 2.5 KW, 3.4 KW or 5KW ELECTRIC HEAT THERMOSTAT CONNECTIONS VEA 24 K 2.5KW, 3.4KW, 5.0KW WIRING DIAGRAM COOL EH VEA 24 with 7.5 KW and 10 KW ELECTRIC HEAT ELECTRONIC CONTROL THERMOSTAT CONNECTIONS WIRING DIAGRAM COOL EH COMP VHA 24 with 2.5 KW, 3.4 KW or 5KW ELECTRIC HEAT ELECTRONIC CONTROL WIRING DIAGRAM HEAT PUMP EH HEATER 2.5 KW & 3.5 KW VHA 24K VHA 24 with 7.5 KW and 10KW ELECTRIC HEAT THERMOSTAT CONNECTIONS VHA 24K 7.5KW, 10.0KW WIRING DIAGRAM HEAT PUMP EH Accessories MODEL DESCRIPTION PHOTO VPAL2 VPSC2 RT6 VERT-I-PAK A SERIES SINGLE PACKAGE VERTICAL AIR CONDITIONERS LIMITED WARRANTY 10001 Reunion Place, Suite 500 San Antonio, Tx 78216 1-800-541-6645 www.friedrich.com Page Page Page Page 9K-18K BTU/h Models 2011 VPAK Parts List Page Page Page Page Reference Number VEA24K10RTL-B VEA24K25RTL-B VEA24K34RTL-B 24K BTU/h Models 2011 VPAK Parts List FRIEDRICH AIR CONDITIONING CO. TECHNICAL SUPPORT CONTACT INFORMATION FRIEDRICH AUTHORIZED PARTS DEPOTS CUSTOMER SATISFACTION and QUALITY ASSURANCE