Friedrich 000 BTU'S, 9 service manual

Service Manual

Single Package

Vertical Air Conditioning System

For Years 2009 and 2008

VPK-ServMan (04-09)

*(Electronic Control)

Models

9,000 BTU’s

12,000 BTU’s

18,000 BTU’s

24,000 BTU’s

A SERIES

Contents

Main Service Manual A SERIES Page 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: INTRODUCTION Model Identi cation Guide Serial Number Identi cation Guide VEA/VHA09-24 VEA/VHA09,12 VEA/VHA18,24 2009 Chassis Specications 2009 Electric Heat Data 2009 Extended Cooling Performance VEA - Extended Cooling Performance VHA - Extended Cooling Performance VEA/VHA09-24 VE A / VHA09,12 2008 Chassis Specications 2008 Electric Heat Data 2008 Extended Cooling Performance VEA - Extended Cooling Performance VHA - Extended Cooling Performance 10 ELECTRICAL REQUIREMENTS SAMPLE Sample Nameplate120524 Electrical Rating Tables 11 REmotE tHERmoStat anD Low VoLtagE ContRoL CONNeCTIONS Thermostat Location RT5 (Two speed fan) RT4 (One speed fan) Remote Thermostat To control the unit with a wall-mounted thermostat: CONNeCTIONS Desk Control Terminals Maximum Wire Length for Desk Control Switch Wire Size Maximum Length #24 400 ft. #22 600 ft. #20 900 ft. #18 1500 ft. #16 2000 ft. ELECtR onIC ContR oL Bo aRD FEa tURES 1 2 3 4 5 6 7 8 O N Electronic Control Conguration Factory Dip Switch Conguration Room Freeze Protection Switch 6 Emergency Heat Override Switch 7 Discharge Air Sensor Override Switch 8 TeST MODe ( The chart below lists the possible error codes and their description: VPak ELECtRonIC ContRoL BoaRD anD waLL tHERmoStat SEqUEnCE oF oPERatIon ComPonEnt DESCRIPtIon / a-SERIES SPECIFICatIonS VERT-I-PAK SINGLE PACKAGED VERTICAL AIR CONDITIONERS 9,000 / 12,000 / 18,000 / 24 K BTUs/h External Static Pressure Checking External Static Pressure Checking Approximate Air ow Electric Heat Strips Ductwork Preparation Duct ESP: Indoor Airflow Data ers Explanation of charts Fresh Air Door Page REFRIgERa tIon SEqUEnCE oF oPERa tIon Refrigeration Assembly 24 SERVICE Servicing / Chassis Quick Changeouts Warranty To Remove the Chassis from the Closet: CAUTION Undercharged Refrigerant Systems overcharged Refrigerant Systems Restricted Refrigerant System REVERSIng VaLVE DESCRIPtIon/oPERatIon tEStIng tHE CoIL CHECkIng tHE REVERSIng V aL VE 33 CAUTION Page R OUTINe MAINTeNANCe ELECtRICaL tRoUBLESHootIng CHaRt - CooLIng 9k BtU, 12k BtU, & 18k BtU NO COOLING OPERATION Defective t-stat defective control wiring or transformer ELECtRICaL tRoUBLESHootIng CHaRt - CooLIng 24k BtU NO COOLING OPERATION 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 Page Page Page Page Page Page Page ACCeSSORIeS OTOHP NOITPIRCSED LEDOM VERT-I-PAK A SERIES SINGLE PACKAGE VERTICAL AIR CONDITIONERS LIMITED WARRANTY