Carrier 42QHG012D8SH - Safety Precautions; Product Use Safety Warnings

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Installation Manual

Accessories ..................................................................................................................02

Installation Summary - Indoor Unit.............................................................................03

Unit Parts.......................................................................................................................04

Indoor Unit Installation ................................................................................................05

1. Select installation location....................................................................................................................................05

2. Attach mounting plate to wall................................................................................................................................05

3. Drill wall hole for connective piping ......................................................................................................................06

4. Prepare refrigerant piping.....................................................................................................................................07

5. Connect drain hose ..............................................................................................................................................07

6. Connect signal cable............................................................................................................................................08

7. Wrap piping and cables........................................................................................................................................09

8. Mount indoor unit..................................................................................................................................................10

Outdoor Unit Installation .............................................................................................11

1. Select installation location....................................................................................................................................11

2. Install drain joint....................................................................................................................................................12

3. Anchor outdoor unit ..............................................................................................................................................12

4. Connect signal and power cables.........................................................................................................................14

Refrigerant Piping Connection....................................................................................15

A. Note on Pipe Length ............................................................................................................................................15

B. Connection Instructions –Refrigerant Piping........................................................................................................15

1. Cut pipe...........................................................................................................................................................15

2. Remove burrs..................................................................................................................................................16

3. Flare pipe ends................................................................................................................................................16

4. Connect pipes .................................................................................................................................................16

Air Evacuation ..............................................................................................................19

1. Evacuation Instructions ........................................................................................................................................19

2. Note on Adding Refrigerant..................................................................................................................................20

Electrical and Gas Leak Checks .................................................................................21

Test Run ........................................................................................................................22

Table of Contents

42QHG009D8SH

38QHG024D8S*

42QHG024D8S*

38QHG018D8S*

42QHG018D8S*

38QHG012D8S*

42QHG012D8S*

38QHG009D8S*42QHG009D8S*

38QHG022D8S*