Sanyo XH3672R, XH4272R / C4272R, UH2672R, XH2672R, UH3672R / CH3672R, XH4272R / CH4272R Contents

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