Carrier 38 KCL018R33 - Section 1; Table of Contents

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Content

1. Precaution.................................................................................................................................... 2

1.1 Safety Precaution......................................................................................................................... 2

1.2 Warning........................................................................................................................................ 2

2. Function....................................................................................................................................... 4

3. Dimension.................................................................................................................................... 6

3.1 Indoor unit.................................................................................................................................... 6

3.2 Outdoor unit................................................................................................................................. 6

4. Refrigerant cycle diagram........................................................................................................... 7

5. Operation limits............................................................................................................................ 8

5.1 Cooling operation........................................................................................................................ 8

5.2 Heating operation........................................................................................................................ 8

6. Wiring diagram............................................................................................................................. 9

7. Installation details.......................................................................................................................11

7.1 Wrench torque sheet for installation..........................................................................................11

7.2 Connecting the cables................................................................................................................11

7.3 Pipe length and the elevation.....................................................................................................11

7.4 Air purging of the piping and indoor unit................................................................................. 12

7.5 Pumping down (Re-installation)................................................................................................ 13

7.6 Re-air purging (Re-installation)................................................................................................. 14

7.7 Balance refrigerant of the 2-way, 3-way valves ........................................................................ 15

7.8 Evacuation ................................................................................................................................. 16

7.9 Gas charging.............................................................................................................................. 17

8. Electronic function .................................................................................................................... 18

8.1 Proper symbols and their meaning........................................................................................... 18

8.2 Function..................................................................................................................................... 18

8.3 Protection................................................................................................................................... 18

8.4 Fan-only mode........................................................................................................................... 19

8.5 Cooling mode............................................................................................................................. 19

8.6 Dehumidifying mode.................................................................................................................. 20

8.7 Heating mode............................................................................................................................. 21

8.8 Defrosting mode (available for heating mode)......................................................................... 22

8.9 Auto mode.................................................................................................................................. 23

8.10 Force cooling function .............................................................................................................. 23

8.11 Sleep mode................................................................................................................................ 24

8.12 Auto restart function.................................................................................................................. 25

8.13 Turbo mode................................................................................................................................ 25

9. Model and Parameters............................................................................................................... 25

10. Troubleshooting......................................................................................................................... 26

10.1 Display board............................................................................................................................. 26

10.2 Troubleshooting......................................................................................................................... 26

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