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Friedrich
2007 service manual YS13L33-A, YM18L34-A, Models
Models:
2007
1
34
36
36
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36 pages
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Hermetic Component Replacement
Maintenance
Problem
Timer
Testing The Electronic Control
Page 34
Image 34
MODELS
YS13L33-A,
YM18L34-A
34
Page 33
Page 35
Page 34
Image 34
Page 33
Page 35
Contents
Power
Room Air Conditioners
Timer
2007
TABLE OF CONTENTS
INTRODUCTION
TYPICAL UNIT COMPONENTS
FIRST YEAR
ROOM AIR CONDITIONERS LIMITED WARRANTY
SECOND THROUGH FIFTH YEAR
ROUTINE MAINTENANCE
UNIT IDENTIFICATION
S S 08 L
RAC Serial Number Identification Guide
Chassis-Q
ELECTRICAL DATA
ELECTRIC SHOCK HAZARD
TESTING THE ELECTRONIC CONTROLS
FUNCTIONAL COMPONENT DEFINITIONS
ELECTRONIC CONTROLS
MECHANICAL COMPONENTS
TESTING THE ELECTRONIC CONTROL
ELECTRONIC CONTROLS
REFRIGERATION SYSTEM SEQUENCE OF OPERATION
Refrigerant System Components
EQUIPMENT REQUIRED
HERMETIC COMPONENT REPLACEMENT
HERMETIC COMPONENT REPLACEMENT cont’d
EQUIPMENT MUST BE CAPABLE OF
REFRIGERANT CHARGING
METHOD OF CHARGING
NOTE Heat pump refrigeration drawing
REFRIGERANT CHARGING cont’d
UNDERCHARGED REFRIGERANT SYSTEMS
OVERCHARGED REFRIGERANT SYSTEMS
REFRIGERANT CHARGING cont’d
RESTRICTED REFRIGERANT SYSTEM
NORMAL FUNCTION OF VALVE
POSSIBLE CAUSES
CORRECTIONS
MALFUNCTION OF VALVE
Problem
Problem
Problem
Possible Cause
Replace fuse, reset breaker. If repeats, check
Overload inoperative. Opens too soon
Sublimation
Heat anticipator resistor shorted on applicable
TROUBLESHOOTING CHART - COOLING
REFRIGERANT SYSTEM DIAGNOSIS - HEATING
REFRIGERANT SYSTEM DIAGNOSIS - HEATING
TROUBLESHOOTING CHART - HEATING
ELECTRICAL TROUBLESHOOTING CHART - HEAT PUMP
HEAT PUMP
MODELS
MODELS
MODELS
MODEL
SL36L30-A
MODEL
SL28L30-A
SL36L30-B
MODELS
MODEL
EQ08L11-A
ES12L33-A, ES16L33-A, EM18L34-A, EM24L35-A
MODELS
MODEL
EL36L35-A
MODEL
YS09L10-A, YS09L10-B
YS13L33-A, YM18L34-A
MODELS
YL24L35-A
MODELS
4200 N. Pan Am Expressway San Antonio, Texas
Friedrich Air Conditioning Co
Post Office Box 1540 San Antonio, Texas
RAC-Svc-07
