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Section 1: SPECIFICATIONS
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1-1
1-1 Unit SpecifIcations
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1-2
1-2 Major Component SpecifIcations
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1-20
1-3 Other Component SpecifIcations
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1-35
1-4 Dimensional Data
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1-38
1-5 Refrigerant Flow Diagram
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1-48
1-6 Operating Range
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1-49
1-7 Capacity Correction Graph According to Temperature Condition
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1-50
1-8 Noise Criterion Curves
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1-51
1-9 Increasing the Fan Speed
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1-56
1-10 Air throw distance chart
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1-57
1-11 ELECTRICAL WIRING
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1-60
1-12 Installation Instructions
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1-63
1-13 HOW TO PROCESS TUBING
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1-118
1-14 LEAK TEST, EVACUATION AND ADDITIONAL REFRIGERANT CHARGE
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1-122
Section 2: PROCESSES AND FUNCTIONS
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2-1
2-1 Room Temperature Control
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2-2
2-2 Cold Draft Prevention (Heating Cycle)
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2-4
2-3 Automatic Fan Speed (Indoor Unit)
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2-5
2-4 Control Functions
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2-6
2-5 Outdoor Unit Control PCB
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2-9
2-6 Outdoor Unit Control PCB (CR-CH4272R)
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2-10
Section 3: ELECTRICAL DATA
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3-1
3-1 Indoor Units
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3-2
3-2 Outdoor Units
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3-10
Section 4: SERVICE PROCEDURES
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4-1
4-1 Meaning of Alarm Messages
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4-2
4-2 Symptoms and Parts to Inspect
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4-5
4-3 Details of Alarm Messages
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4-8
4-4 Table of Thermistor Characteristics
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4-14
Section 5: OUTDOOR UNIT MAINTENANCE REMOTE CONTROL
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5-1
5-1 Overview
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5-2
5-2 Functions
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5-2
5-3 Normal Display Operations and Functions
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5-3
5-4 Monitoring Operations: Display of Indoor Unit and Outdoor Unit Sensor
Temperatures
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5-6
5-5 Monitoring the Outdoor Unit Alarm History: Display of Outdoor Unit
Alarm History
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5-7
5-6 Setting Modes: Setting the Outdoor Unit EEPROM
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5-7
Section 6: TSET RUN
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6-1
6-1 Preparing for Test Run
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6-2
6-2 Caution
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6-3
6-3 Test Run Procedure
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6-3
6-4 Items to Check Before the Test Run
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6-4
6-5 Test Run Using the Remote Controller
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6-4
6-6 Precautions
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6-4
6-7 Table of Self-Diagnostic Functions and Corrections (U1, K1, T1, F1 Type)
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6-5
6-8 Examples of Wiring Diagrams
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6-6
Contents