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Table Of Contents - Carrier 42LUVH025N Service Manual

Service manual (43 pages)

Table of Contents

CONTENTS

1. Precaution .............................................................................................................................................. 1

1.1 Safety Precaution 1

1.2 Warning 1

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

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

3.1 Indoor Unit

3.2 Outdoor Unit 7

4. Refrigerant cycle diagram ..................................................................................................................... 8

5. Wiring diagram ....................................................................................................................................... 9

5.1 Indoor Unit

5.2 Outdoor Unit 10

6. Installation details .................................................................................................................................12

6.1 Wrench torque sheet for installation 12

6.2 Connecting the cables 12

6.3 Pipe length and the elevation

6.4 Air purging of the piping and indoor unit

6.5 Pumping down (Re-installation) 15

6.6 Re-air purging (Re-installation) 16

6.7 Balance refrigerant of the 2-way, 3-way valves 17

6.8 Evacuation

6.9 Gas charging 19

7. Capacity table .......................................................................................................................................20

8.Electronic function.................................................................................................................................23

8.8 Auto mode function

8.9 Forced operation function 30

8.10 Action of 4-way valve 30

8.11 Two speeds outdoor fan function

8.12 Timer function

8.13 Sleep function mode 31

8.14 Auto-Restart function 31

8.15 Ionizer/Plasma dust collector function(optional)

8.16 Outdoor chassis heating cable (optional) 32

9. Troubleshooting ....................................................................................................................................32

9.1 Indoor Unit Error Display

9.2 Diagnosis and Solution 33

9.3 Key parts checking.