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Carrier 38NYV009E User Manual

Carrier 38NYV009E
86 pages
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April, 2007
FILE NO. SVM-07018-1
42NQV009E / 38NYV009E
42NQV012E / 38NYV012E
SERVICE MANUAL
AIR-CONDITIONER
SPLIT WALL TYPE
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2
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Carrier 38NYV009E Specifications

General IconGeneral
BrandCarrier
Model38NYV009E
CategoryAir Conditioner
LanguageEnglish

Summary

Specifications

1-1. Specifications

Detailed specifications for the air conditioner unit models.

1-2. Operation Characteristic Curve

Graphical representation of operational performance curves.

1-3. Capacity Variation Ratio According to Temperature

Charts showing capacity changes based on temperature.

Refrigerant R410A

2-1 Safety During Installation/Servicing

Safety precautions for handling R410A refrigerant during installation and servicing.

2-2 Refrigerant Piping Installation

Guidelines and requirements for installing refrigerant piping.

2-3 Tools

List and specifications of required tools for R410A.

2-4. Recharging of Refrigerant

Procedure for recharging the refrigerant in the system.

2-5. Brazing of Pipes

Techniques and materials for brazing refrigerant pipes.

Construction Views

3-1. Indoor Unit

Detailed diagrams and dimensions of the indoor unit's construction.

3-2. Outdoor Unit

Detailed diagrams and dimensions of the outdoor unit's construction.

Wiring Diagram

4-1. Indoor Unit

Electrical wiring diagram for the indoor unit components.

4-2. Outdoor Unit (38NYV009E, 38NYV012E)

Electrical wiring diagram for the outdoor unit components.

Specification of Electrical Parts

5-1. Indoor Unit

List and specifications of electrical parts used in the indoor unit.

5-2. Outdoor Unit (38NYV009E, 38NYV012E)

List and specifications of electrical parts used in the outdoor unit.

Refrigerant Cycle Diagram

6-1. Refrigerant Cycle Diagram (42NQV009E / 38NYV009E)

Diagram illustrating the refrigerant flow for the 42NQV009E/38NYV009E models.

6-1. Refrigerant Cycle Diagram (42NQV012E / 38NYV012E)

Diagram illustrating the refrigerant flow for the 42NQV012E/38NYV012E models.

6-2. Operation Data

Specific operating data for cooling and heating modes.

Control Block Diagram

7-1. Indoor Unit

Block diagram showing the control system of the indoor unit.

7-2. Outdoor Unit (Inverter Assembly)

Block diagram detailing the outdoor unit's inverter control system.

Operation Description

8-1. Outline of Air Conditioner Control

Overview of the control logic for the air conditioner system.

8-2. Description of Operation Circuit

Detailed descriptions of various operation circuits and modes.

8-3. Temporary Operation

Procedures for temporary auto and cooling operations.

8-4. Auto Restart Function

Functionality and setting procedures for the auto restart feature.

8-5. Filter Check Lamp

Information on the filter check indicator and reset procedure.

Installation Procedure

9-1. Safety Cautions

Important safety warnings and precautions for installation.

9-1-1. Installation Diagram of Indoor and Outdoor Units

Diagrams illustrating the installation of indoor and outdoor units.

9-1-2. Optional installation parts

List of optional parts required for installation.

9-1-3. Accessory and installation parts

List of included accessories and installation parts.

9-1-4. Installation/Servicing Tools

Tools required for installation and servicing, with R410A changes.

Indoor Unit

9-2-1. Installation place

Guidelines for selecting an appropriate installation location for the indoor unit.

9-2-2. Cutting a hole and mounting installation plate

Procedure for cutting wall holes and mounting the installation plate.

9-2-3. Electrical work

Instructions for performing electrical wiring and connections.

9-2-4. Wiring connection

Detailed steps for connecting the indoor unit's wiring.

9-2-5. Piping and drain hose installation

Procedure for installing refrigerant piping and the drain hose.

9-2-6. Indoor unit fixing

Method for securely fixing the indoor unit to the installation plate.

9-2-7. Drainage

Instructions for proper drain hose installation and routing.

Outdoor Unit

9-3-1. Installation place

Guidelines for selecting an appropriate installation location for the outdoor unit.

9-3-2. Refrigerant piping connection

Steps and specifications for connecting the refrigerant piping.

9-3-3. Evacuating

Procedure for evacuating air from the refrigerant circuit.

9-3-4. Wiring connection

Instructions for connecting the outdoor unit's wiring and power.

How to Diagnose the Trouble

10-1. First Confirmation

Initial checks for confirming power supply and basic operation.

10-2. Primary Judgement

Methods for initial troubleshooting and fault diagnosis.

10-3. Judgement by Flashing LED of Indoor Unit

Interpreting error codes indicated by indoor unit LED blinking patterns.

10-4. Self-Diagnosis by Remote Control (Check Code)

Using the remote control to access and interpret self-diagnosis check codes.

10-5. Judgement of Trouble by Every Symptom

Troubleshooting based on specific symptoms and observed issues.

10-7. How to Diagnose Trouble in Outdoor Unit

Procedures for diagnosing troubles specifically within the outdoor unit.

10-8. How to Check Simply the Main Parts

Methods for checking the functionality of major system components.

10-9. How to Simply Judge Whether Outdoor Fan Motor is Good or Bad

Procedure to determine the operational status of the outdoor fan motor.

How to Replace the Main Parts

11-1. Indoor Unit

Procedures for replacing main parts of the indoor unit.

11-2. Microcomputer

Procedure for replacing the microcomputer unit.

11-3. Outdoor Unit

Procedures for replacing main parts of the outdoor unit.

Exploded Views and Parts List

12-1. Indoor Unit (E-Parts Assy)

Exploded view and parts list for the indoor unit's E-Parts assembly.

12-2. Indoor Unit

Exploded view and parts list for the indoor unit.

12-3. Outdoor Unit (38NYV009E)

Exploded view and parts list for the outdoor unit (38NYV009E).

12-4. Outdoor Unit (38NYV012E)

Exploded view and parts list for the outdoor unit (38NYV012E).

12-5. Outdoor Unit (E-Parts Assy)

Exploded view and parts list for the outdoor unit's E-Parts assembly.

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