212 Print Reading for HVACR
Copyright Goodheart-Willcox Co., Inc.
L1
1
2
3
C
Thermostat
Run capacitor
Run capacitor
Compressor
C
S
R
Fan motor
L1 N
Selector
switch
Switch positions
Off None
Low fan L1-3
Medium fan
High fan
Low cool
Medium cool
High cool
Common
L1-2
L1-1
L1-C-3
L1-C-2
L1-C-1 Overload
A
L1
1
2
3
C
Thermostat
Run capacitor
Run capacitor
Compressor
C
S
R
Fan motor
L1 N
Selector
switch
Common
Overload
B
Switch positions
Off None
Low fan L1-3
Medium fan
High fan
Low cool
Medium cool
High cool
L1-2
L1-1
L1-C-3
L1-C-2
L1-C-1
HIGH
MEDIUM
LOW
HIGH
MEDIUM
LOW
Goodheart-Willcox Publisher
Figure 9-14. A—A window air-conditioning unit operating in the HIGH FAN mode.
B—A window air-conditioning unit operating in the HIGH COOL mode.