Sanyo 26KHHS72R Service Manual - Page 4

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Contents Section 1: SPECIFICATIONS I-1 1-1 Unit Specifications I-2 1-2 Major Component Specifications I-27 1-3 Other Component Specifications I-47 1-4 Dimensional data I-63 1-5 Refrigerant Flow Diagram I-74 1-6 Operating Range I-75 1-7 Heating Capacity I-76 1-8 Noise Criterion Curves I-77 1-9 Increasing the Fan Speed I-82 1-10 Air throw distance chart I-83 1-11 Installation Instructions I-86 1-12 Electrical Wiring I-98 1-13 Using Wireless Remote Controller with Wall-mounted Indoor Unit I-102 Section 2: PROCESSES AND FUNCTIONS II-1 2-1 Room Temperature Control II-2 2-2 Cold Draft Prevention (Heating Cycle II-4 2-3 Automatic Fan Speed (Indoor Unit II-5 2-4 Control Functions II-6 2-5 Outdoor Unit Control PCB II-9 2-6 Outdoor Unit Control PCB (CR-CH4272R II-10 Section 3: ELECTRICAL DATA III-1 3-1 Indoor Units III-2 3-2 Outdoor Units III-16 Section 4: SERVICE PROCEDURES IV-1 4-1 Meaning of Alarm Messages IV-2 4-2 Symptoms and Parts to Inspect IV-5 4-3 Details of Alarm Messages IV-8 4-4 Table of Thermistor Characteristics IV-14 Section 5: OUTDOOR UNIT MAINTENANCE REMOTE CONTROL V-1 5-1 Overview ...V-2 5-2 Functions ...V-2 5-3 Normal Display Operations and Functions V-3 5-4 Monitoring Operations: Display of Indoor Unit and Outdoor Unit Sensor Temperatures V-6 5-5 Monitoring the Outdoor Unit Alarm History: Display of Outdoor Unit Alarm History V-7 5-6 Setting Modes: Setting the Outdoor Unit EEPROM V-7 Section 6: TEST RUN ...VI-1 6-1 Preparing for Test Run VI-2 6-2 Caution ...VI-3 6-3 Test Run Procedure VI-3 6-4 Items to Check Before the Test Run VI-4 6-5 Test Run Using the Remote Controller VI-4 6-6 Precautions VI-4 6-7 Table of Self-Diagnostic Functions and Corrections (X, T, U, K Type VI-5 6-8 Examples of Wiring Diagrams VI-6

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Section 1: SPECIFICATIONS
.................................................................................................
I-1
1-1
Unit Specifications
..........................................................................................
I-2
1-2
Major Component Specifications
..................................................................
I-27
1-3
Other Component Specifications
..................................................................
I-47
1-4
Dimensional data
..........................................................................................
I-63
1-5
Refrigerant Flow Diagram
.............................................................................
I-74
1-6
Operating Range
..........................................................................................
I-75
1-7
Heating Capacity
..........................................................................................
I-76
1-8
Noise Criterion Curves
..................................................................................
I-77
1-9
Increasing the Fan Speed
.............................................................................
I-82
1-10Air throw distance chart
................................................................................
I-83
1-11Installation Instructions
..................................................................................
I-86
1-12Electrical Wiring
............................................................................................
I-98
1-13Using Wireless Remote Controller with Wall-mounted Indoor Unit
.............
I-102
Section 2: PROCESSES AND FUNCTIONS
.........................................................................
II-1
2-1
Room Temperature Control
............................................................................
II-2
2-2
Cold Draft Prevention (Heating Cycle)
...........................................................
II-4
2-3
Automatic Fan Speed (Indoor Unit)
................................................................
II-5
2-4
Control Functions
...........................................................................................
II-6
2-5
Outdoor Unit Control PCB
..............................................................................
II-9
2-6
Outdoor Unit Control PCB (CR-CH4272R)
..................................................
II-10
Section 3: ELECTRICAL DATA
............................................................................................
III-1
3-1
Indoor Units
...................................................................................................
III-2
3-2
Outdoor Units
..............................................................................................
III-16
Section 4: SERVICE PROCEDURES
..................................................................................
IV-1
4-1
Meaning of Alarm Messages
.........................................................................
IV-2
4-2
Symptoms and Parts to Inspect
.....................................................................
IV-5
4-3
Details of Alarm Messages
...........................................................................
IV-8
4-4
Table of Thermistor Characteristics
.............................................................
IV-14
Section 5:
OUTDOOR UNIT MAINTENANCE REMOTE CONTROL
...............................................
V-1
5-1 Overview
.......................................................................................................
V-2
5-2 Functions
......................................................................................................
V-2
5-3
Normal Display Operations and Functions
...................................................
V-3
5-4
Monitoring Operations: Display of Indoor Unit and Outdoor Unit Sensor
Temperatures
................................................................................................
V-6
5-5
Monitoring the Outdoor Unit Alarm History: Display of Outdoor Unit
Alarm History
................................................................................................
V-7
5-6
Setting Modes: Setting the Outdoor Unit EEPROM
.......................................
V-7
Section 6: TEST RUN
..........................................................................................................
VI-1
6-1
Preparing for Test Run
.................................................................................
VI-2
6-2 Caution
........................................................................................................
VI-3
6-3
Test Run Procedure
.....................................................................................
VI-3
6-4
Items to Check Before the Test Run
.............................................................
VI-4
6-5
Test Run Using the Remote Controller
.........................................................
VI-4
6-6 Precautions
..................................................................................................
VI-4
6-7
Table of Self-Diagnostic Functions and Corrections (X, T, U, K Type)
..........
VI-5
6-8
Examples of Wiring Diagrams
......................................................................
VI-6
Contents