Heat Controller VMH12SC-1 User Manuals

Table of Contents

• 1.Safety Precautions

  3
• 2. Functions

  8
• 3. Dimensions

  10
• 3.1 Indoor Unit

  10
• 3.2 Outdoor Unit

  11
• 4. Refrigerant Cycle Diagram

  12
• 5. Wiring Diagrams

  13
• 5.1 Indoor Unit

  13
• 5.2 Outdoor Unit

  14
• 6. Installation Details

  15
• 6.1 Power Wiring

  15
• 6.2 Pipe length and elevation

  16
• 6.3 Pressure test and evacuation

  17
• 7. Operation characteristics

  18
• 8. Electronic functions

  19
• 8.1 Abbreviation

  19
• 8.2 Display function

  19
• 8.3 Main Protection

  20
• 8.4 Operation Modes and Functions

  21
• 9. Troubleshooting

  35
• 9.1 Indoor Unit Error Display

  36
• 9.2 Diagnosis and Solution

  36