Lennox LNWR21X User Manual

Service Manual
Table of Contents
Table of Contents
Part
Ⅰ
:Technical Information
................................................................ 1
1.Summary
......................................................................................................... 1
2.Specications
.............................................................................................. 2
3.Outline Dimension Diagram
............................................................... 10
4.Refrigerant System Diagram
............................................................. 11
5.Electrical Part
............................................................................................. 12
5.1 Wiring Diagram ............................................................................................ 12
5.2 PCB Printed Diagram ................................................................................... 14
6.Function and Control
............................................................................. 16
6.1 Introduction of Control Panel ........................................................................ 16
6.2 Introduction of Remote Controller ................................................................ 17
6.3 Function Introduction .................................................................................... 20
Part
Ⅱ
:Installation and Maintenance
............................................... 24
7.Notes for Installation and Maintenance
....................................... 24
8.Installation
................................................................................................... 25
8.1 Selection of Installation Location.................................................................. 25
8.2 Requirements for Electric Connection .......................................................... 25
8.3 Installation Procedure .................................................................................. 26
8.4 Installation of Accessories ............................................................................ 26
8.5 Drain Water .................................................................................................. 26
9.Maintenance
................................................................................................ 27
9.1 Error Code .................................................................................................... 27
9.2 Malfunction of Temperature Sensor ............................................................. 28
9.3 Maintenance Method for Normal Malfunction .............................................. 29
10.Exploded View and Parts List
......................................................... 32
11.Removal Procedure
.............................................................................. 41
Appendix:
......................................................................................................... 47
Appendix 1: Reference Sheet of Celsius and Fahrenheit .................................. 47
Appendix 2: List of Resistance for Ambient Temperature Sensor ...................... 48

Lennox LNWR21X Specifications

General

Brand	Lennox
Model	LNWR21X
Category	Air Conditioner
Language	English