Table Of Contents - Toyotomi TPN A128 IVP Service Manual

Table of Contents

1. Precaution .................................................................................................................................................... 3

1.1 Safety Precaution ........................................................................................................................ 3

1.2 Warning ....................................................................................................................................... 3

2. Function ........................................................................................................................................................ 7

3. Dimension .................................................................................................................................................... 8

3.1 Indoor Unit ................................................................................................................................... 8

3.2 Outdoor Unit ................................................................................................................................ 9

4. Refrigerant Cycle Diagram ....................................................................................................................... 10

5. Wiring Diagram ........................................................................................................................................... 11

5.1 Indoor Unit ................................................................................................................................. 11

5.2 Outdoor Unit .............................................................................................................................. 12

6 Installation Details ...................................................................................................................................... 14

6.1 Wrench torque sheet for installation .......................................................................................... 14

6.2 Connecting the cables ............................................................................................................... 14

6.3 Pipe length and the elevation .................................................................................................... 15

6.4 Installation for the first time........................................................................................................ 16

6.5 Adding the refrigerant after running the system for many years ................................................ 19

6.6 Re-installation while the indoor unit need to be repaired ........................................................... 20

6.7 Re-installation while the outdoor unit need to be repaired ......................................................... 22

7. Operation Characteristics ......................................................................................................................... 24

8. Electronic function .................................................................................................................................... 25

8.1 Abbreviation .............................................................................................................................. 25

8.2 Display function ......................................................................................................................... 25

8.3 Main Protection ......................................................................................................................... 26

8.4 Operation Modes and Functions ............................................................................................... 29

9. Troubleshooting ......................................................................................................................................... 44

9.1 Indoor Unit Error Display ........................................................................................................... 44

9.2 Diagnosis and Solution .............................................................................................................. 45

CONTENTS