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Lennox LI012CI-170P432-1 User Manual

Lennox LI012CI-170P432-1
126 pages
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Service Manual
Models:
LI012CI-170P432-1 / LI012CO-170P432-1
LI012HI-170P432-1 / LI012HO-170P432-1
LI018CI-170P432-1 / LI018CO-170P432-1
LI018HI-170P432-1 / LI018HO-170P432-1
LI024CI-170P432-1 / LI024CO-170P432-1
LI024HI-170P432-1 / LI024HO-170P432-1
(Refrigerant
:
R410A)
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Lennox LI012CI-170P432-1 Specifications

General IconGeneral
Phase1
RefrigerantR-410A
Cooling Capacity12000 BTU/h
Voltage208/230V
SEER Rating16

Summary

Part I: Technical Information

1. Summary

Provides an overview of the air conditioner models covered.

2. Specifications

Details technical specifications for various models, including electrical and performance data.

2.1 Specification Sheet

Lists detailed electrical, performance, and physical specifications in table format.

2.2 Operation Characteristic Curve

Presents graphs showing performance curves for cooling and heating operations.

2.3 Capacity Variation Ratio According to Temperature

Illustrates how cooling/heating capacity changes with ambient temperature.

2.4 Cooling and Heating Data Sheet in Rated Frequency

Provides tables with performance data under rated conditions.

2.5 Noise Curve

Displays noise level data in graphical format for different operating speeds.

3. Outline Dimension Diagram

Shows physical dimensions of indoor and outdoor units with diagrams.

3.1 Indoor Unit

Provides detailed dimensional drawings and measurements for the indoor unit.

3.2 Outdoor Unit

Provides detailed dimensional drawings and measurements for the outdoor unit.

4. Refrigerant System Diagram

Illustrates the refrigerant flow and components in cooling and heating modes.

5. Electrical Part

Covers electrical components, wiring diagrams, and PCB layouts.

5.1 Wiring Diagram

Presents schematic diagrams of electrical connections for units.

5.2 PCB Printed Diagram

Shows the layout and component identification of printed circuit boards.

6. Function and Control

Explains unit modes, functions, and remote controller operation.

6.1 Remote Controller Introduction

Details the buttons and display icons of the remote control unit.

6.2 Brief Description of Modes and Functions

Provides in-depth explanations of various operating modes and special features.

Part II: Installation and Maintenance

7. Notes for Installation and Maintenance

Highlights crucial safety precautions for installation and maintenance procedures.

8. Installation

Guides through the process of installing the air conditioning unit.

8.1 Installation Dimension Diagram

Illustrates required clearances and mounting dimensions for installation.

8.2 Installation Parts-checking

Lists components to verify before commencing installation.

8.3 Selection of Installation Location

Provides criteria for choosing an optimal installation site.

8.4 Requirements for Electric Connection

Specifies electrical safety regulations and connection requirements.

8.5 Installation of Indoor Unit

Details the steps for safely installing the indoor air handling unit.

8.6 Installation of Outdoor Unit

Details the steps for safely installing the outdoor condensing unit.

8.7 Vacuum Pumping and Leak Detection

Explains the procedure for system evacuation and leak testing.

8.8 Check after Installation and Test Operation

Outlines final checks and operational testing procedures post-installation.

9. Maintenance

Covers routine maintenance tasks and procedures.

9.1 Error Code List

Tabulates malfunction codes, their meanings, and possible causes.

9.2 Troubleshooting for Main Malfunction

Provides diagnostic flowcharts for addressing significant unit issues.

9.3 Troubleshooting for Normal Malfunction

Offers guidance for resolving common operational problems.

10. Exploded View and Parts List

10.1 Indoor Unit

Shows an exploded view and lists all parts for the indoor unit.

10.2 Outdoor Unit

Shows an exploded view and lists all parts for the outdoor unit.

11. Removal Procedure

11.1 Removal Procedure of Indoor Unit

Provides step-by-step instructions for disassembling the indoor unit.

11.2 Removal Procedure of Outdoor Unit

Provides step-by-step instructions for disassembling the outdoor unit.

Appendix

Appendix 1: Reference Sheet of Celsius and Fahrenheit

Contains a conversion table for temperature readings.

Appendix 2: Configuration of Connection Pipe

Details pipe sizing and refrigerant charging amounts.

Appendix 3: Pipe Expanding Method

Explains the correct procedure for expanding refrigerant pipes.

Appendix 4: List of Resistance for Temperature Sensor

Provides resistance values for temperature sensors at various temperatures.

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