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Air Conditioner
Friedrich
2007 service manual
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Contents
Main
Service Manual
Room Air Conditioners
Power
RAC-Svc-07 (4-07)
Timer Operation
TABLE OF CONTENTS
INTRODUCTION
TYPICAL UNIT COMPONENTS
ROOM AIR CONDITIONERS LIMITED WARRANTY
FIRST YEAR
SECOND THROUGH FIFTH YEAR
ROUTINE MAINTENANCE
NOTE: Units are to be inspected and serviced by quali ed service personnel only.
UNIT IDENTIFICATION
Model Number Code
RAC Serial Number Identi cation Guide
L C G R 00001
8th Digit Engineering
PERFORMANCE DATA
ELECTRICAL DATA
ELECTRIC SHOCK HAZARD.
ELECTRONIC CONTROLS
FUNCTIONAL COMPONENT DEFINITIONS
ELECTRONIC CONTROLS
IMPORTANT
Refrigerant System Components
REFRIGERATION SYSTEM SEQUENCE OF OPERATION
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REFRIGERANT CHARGING
Page
REFRIGERANT CHARGING contd
TROUBLESHOOTING TOUCH TEST C HAR T: TO SERVICE REVERSING VALVES
16
NORMAL FUNCTION OF VALVE
VALVE OPERATING CONDITION DISCHARGE TUBE
from Compressor SUCTION TUBE to
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HEAT / COOL ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS
TROUBLESHOOTING CHART COOLING
HEAT / COOL ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS
REFRIGERANT SYSTEM DIAGNOSIS HEATING
ELECTRICAL TROUBLESHOOTING CHART HEAT PUMP
TROUBLESHOOTING CHART HEATING
REFRIGERANT SYSTEM DIAGNOSIS HEATING
HEAT PUMP