Control Wiring - Lennox 21 Installation And Service Instructions Manual

NOT REQUIRED WITH SINGLE-
1st, cut yellow 2nd, rewire yellow
wire here. wire as shown
OUTDOOR
UNIT
RED (NOT REQUIRED FOR
APPLICATIONS WITHOUT LSOM)
PURPLE
BLACK
FAN RELAY (NOT REQUIRED
WITH SINGLE-SPEED
OUTDOOR FAN)
BROWN (NOT REQUIRED FOR
APPLICATIONS WITHOUT LSOM)
EDA 01/06
Typical EDA/Condensing Unit Wiring Diagram
*OUTDOOR RELAY
2
SPEED OUTDOOR FAN
5 7
Blue
B4
Yellow
FAN
Black
Use Wirenuts
OUTDOOR WIRING
(VSM APPLICATION
ONLY)
EDA
UNIT
YELLOW
BLUE (NOT REQUIRED FOR SINGLE STAGE)
BLACK

Control Wiring

Black
Black
Purple
Purple
K1
RED
YELLOW
BLUE
BLACK
BROWN
INDOOR
UNIT
RED
BLACK
PURPLE
Figure 12
Page 14
Red
3
5
Violet
1 Orange
EDA
SEE CONTROL WIRING BELOW
FOR THERMOSTAT WIRING
DS Y1 JUMPER − MUST BE
REMOVED FOR HUMIDITROL
OPERATION
Y1 Y2 JUMPER − ONLY
REMOVE IF 2−STAGE COOLING
INDOOR
UNIT
SignatureStatt OUTDOOR
THERMOSTAT
TWISTED PAIR
Y1 Y2 JUMPER − IN FOR
SINGLE− STAGE COOLING;
REMOVED FOR 2−STAGE
COOLING
VALVE
ACTUATOR
SENSOR
(46M98)