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Sanyo
Air Conditioner
CH1872
Sanyo CH1872 Service Manual
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10-13/16
3-19/32
ID:23/32
4-ID:15/16
21-3/16
6-3/32
4-9/32
2-5/32
Narrow tube service valve
dia.1/4" (6.35)
Wide tube service valve
dia.3/8" (9.52)
3-19/32
15/32
10-7/16 (265)
11-13/32
12-7/16
Outdoor Unit
CH1271
Unit : inch (mm)
(852-0-0010-12700-0)
28-11/32 (720)
2-1/8
21-9/16 (548)
5/8
18
17
19
Table of Contents
Table of Contents
3
1 Operating Range
5
2 Specifications
6
Unit Specifications
6
SPECIFICATIONS 2-1. Unit Specifications
6
Major Component Specifications
12
Other Component Specifications
16
3 Dimensional Data
17
4 Refrigerant Flow Diagram
20
5 Performance Data
22
Temperature Charts
22
Cooling Capacity
26
Heating Capacity
30
6 Electrical Data
32
Electrical Characteristics
32
Electric Wiring Diagrams
34
7 Maintenance
37
Address Setting of the Remote Control Unit
37
MAINTENANCE 7-1. Address Setting of the Remote Control Unit
37
Disconnecting and Connecting Positive Connector for Outdoor Unit
38
Disassembly Procedure
39
8 Functions
46
Operation Functions
46
FUNCTIONS 8-1. Operation Functions
46
Night Setback
47
Protective Functions
48
Defrost Detection and Release
49
Ct (Peak Current Cut-Off Control)
49
9 Troubleshooting
50
Precautions before Performing Inspection or Repair
50
TROUBLESHOOTING 9-1. Precautions before Performing Inspection or Repair
50
Method of Self-Diagnostics
50
Operation Lamp
51
Checking the Indoor and Outdoor Units
52
Trouble Diagnosis of Fan Motor
56
Outdoor Fan Motor
57
Noise Malfunction and Electromagnetic Interference
58
10 Checking Electrical Components
59
Measurement of Insulation Resistance
59
Checking Continuity of Fuse on PCB Ass'y
60
11 Refrigerant R410A: Special Precautions When Servicing Unit
61
Characteristics of New Refrigerant R410A
61
SPECIAL PRECAUTIONS WHEN SERVICING UNIT 11-1. Characteristics of New Refrigerant R410A
61
Checklist before Servicing
62
Tools Specifically for R410A
63
Tubing Installation Procedures
63
In Case of Compressor Malfunction
64
In Case Refrigerant Is Leaking
66
Charging Additional Refrigerant
67
Retro-Fitting Existing Systems
67
Appendix Ainstruction Manual
68
Xhs1271 & Pnr-Xs1872 + Ch1271 Xhs1872 & Pnr-Xs1872 + Ch1872
68
Appendix B Installation Instructions
69
Appendix C Instruction Manual
69
Features
70
Alert Symbols
71
Electrical Requirements
71
Installation Location
71
Product Information
71
Safety Instructions
71
Names of Parts
72
Using the Remote Control Unit
76
How to Install Batteries
76
Operation with the Remote Control Unit
77
Automatic Operation
77
Manual Operation
77
Adjusting the Fan Speed
78
Fan Only
78
Night Setback Mode
78
HIGH POWER Mode
78
Setting the Timer
79
Special Remarks
79
Adjusting the Airflow Direction
81
Tips for Energy Saving
81
Using the 1-Hour off Timer
81
Care and Cleaning
82
Operation Without the Remote Control Unit
82
Operating Range
84
Troubleshooting
84
Wired Remote Controller
84
Installation Instructions
86
Important
87
Please Read before Starting
87
1 General
88
Tools Required for Installation (Not Supplied)
88
Accessories Supplied with Unit
88
Optional Copper Tubing Kit
88
Type of Copper Tube and Insulation Material
88
Additional Materials Required for Installation
89
2 Installation Site Selection
89
Indoor Unit
89
Outdoor Unit
90
3 How to Install the Indoor Unit
91
Preparation for Suspending
91
Suspending the Indoor Unit
91
Placing the Unit Inside the Ceiling
91
Installing the Drain Piping
92
Checking the Drainage
93
How to Install the Ceiling Panel
93
Wiring Instructions
96
Recommended Wire Length and Diameter
96
Wiring Instructions for Inter-Unit Connections
98
4 How to Install the Outdoor Unit
99
Wiring Instructions for the Outdoor Unit
99
5 Refrigerant Tubing
100
Use of the Flaring Method
100
Flaring Procedure with a Flare Tool
100
Caution before Connecting Tubes Tightly
100
Connecting Tubing between Indoor and Outdoor Units
101
Insulation of Refrigerant Tubing
101
Taping the Tubes
102
Finishing the Installation
102
6 Air Purging
102
I Air Purging with a Vacuum Pump (for Test Run)
102
I Basic Functions of the Service Valves
105
I Pump down
105
I Service Valve Connections
106
7 Remote Control Unit Installation Position
106
Mounting on a Wall
106
8 Address Switch
107
Address Setting of the Remote Control Unit
107
Table of Contents
110
Remote Control Unit
112
Operation with the Remote Control Unit
114
Automatic Operation (Only for COOL/DRY/HEAT Model)
114
Manual Operation
114
Adjusting the Fan Speed
115
Fan Only
115
Night Setback Mode
115
Special Remarks
115
Setting the Timer
116
Adjusting the Airflow Direction
117
Using the 1-Hour off Timer
117
Appendix D Installation Instructions
118
How to Install the Remote Controller
119
How to Test Run the Air Conditioner
122
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Sanyo CH1872 Specifications
General
Brand
Sanyo
Model
CH1872
Category
Air Conditioner
Language
English
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