2
DVC/DVH Inverter Mini-Split
Heat Controller
TABLE OF CONTENTS
1. Precaution ........................................................................................................................................................................3
1.1 Safety Precaution ......................................................................................................................................................3
1.2 Warning .....................................................................................................................................................................4
2. Part Identification and Functions
...................................................................................................................................5
2.1 Model Numbers of Indoor/Outdoor units ...................................................................................................................5
2.2 Required clearances for Indoor/Outdoor units .......................................................................................................5-6
2.3 Features .................................................................................................................................................................6-7
3. Dimensional Data
............................................................................................................................................................8
3.1 Indoor Unit ................................................................................................................................................................8
3.2 Indoor Unit Mounting Bracket ...................................................................................................................................9
3.3 Outdoor Unit ............................................................................................................................................................10
4. Refrigerant Cycle Diagram
...........................................................................................................................................11
4.1 Cooling Only Models (DVC) ....................................................................................................................................11
4.2 Heat Pump Models (DVH) ......................................................................................................................................12
5. Wiring Diagrams
............................................................................................................................................................13
5.1 Indoor Units ........................................................................................................................................................13-14
5.2 Outdoor Units ..........................................................................................................................................................15
6. Installation Details
.........................................................................................................................................................16
6.1 Electrical .................................................................................................................................................................16
6.2 Line Set Connection Sizes ......................................................................................................................................16
6.3 Line Set Lengths and Elevations ............................................................................................................................16
6.4 Field Charging .........................................................................................................................................................16
7. Operating Conditions
....................................................................................................................................................17
8. Electronic Display Functions
.......................................................................................................................................18
8.1 Abbreviations ..........................................................................................................................................................18
8.2 Display Functions ....................................................................................................................................................18
8.3 Main Protection .......................................................................................................................................................18
9. Operation Modes and Functions
..................................................................................................................................19
9.1 Fan Only Mode .......................................................................................................................................................19
9.2 Cooling Mode .....................................................................................................................................................19-21
9.3 Heating Mode .....................................................................................................................................................21-23
9.4 Defrost Mode .....................................................................................................................................................23-24
9.5 Evaporator Coil Temp. Protection ...........................................................................................................................24
9.6 Auto-Mode ..........................................................................................................................................................24-25
9.7 Dry Mode ................................................................................................................................................................25
9.8 Forced Operation ....................................................................................................................................................25
9.9 Timer Function ...................................................................................................................................................25-26
9.10 Sleep Mode ...........................................................................................................................................................26
9.11 Auto-Restart Function............................................................................................................................................26
9.12 Automatic Panel Function .....................................................................................................................................26
9.13 47°F (8°C) Heating ................................................................................................................................................26
10. Troubleshooting
..........................................................................................................................................................27
10.1 Indoor Unit Error Codes ........................................................................................................................................27
10.2 Outdoor Unit Errors and Troubleshooting ........................................................................................................28-31
10.3 Diagnosis and Solution ....................................................................................................................................32-48
10.4 Pressure on Service Port ......................................................................................................................................49
WARNING
• Installation MUST conform with local building codes or, in the absence of local codes, with the National Electrical Code
NFPA70/ANSI C1-1993 or current edition and Canadian Electrical Code Part1 CSA C.22.1. Where conflicts exist, the local
and/or national codes shall prevail.
• The information contained in the manual is intended for use by a qualified, licensed service technician familiar with safety
procedures and equipped with the proper tools and test instruments
• Installation or repairs made by unqualified persons will void the warranty and may cause hazards or incorrect operation.
• Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage,
personal injury and/or death.
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