Lennox LNWR21X User Manual

Service Manual
Technical Information
14
5.2 PCB Printed Diagram
5.2.1 Silk screen on main board
● TOP VIEW
● BOTTOM VIEW
Main board
1234
5
6 7 8 9 10 11 12 13
14
15
1 Input of live wire 2 fuse 3 12V power input 4 buzzer 5
Interface of
display board
6
Tube
temperature
sensor
7
Ambient
t e m p e r a t u r e
sensor
8
Outdoor tube
temperature
sensor
9 swing 10 4-way valve
11 Fan (high speed) 12
Fan (medium
speed)
13 Fan (low speed) 14
Neutral
wire
15
Power input of
power board

Lennox LNWR21X Specifications

General

Brand	Lennox
Model	LNWR21X
Category	Air Conditioner
Language	English