6T4039A,B,D-M,S,VINSTALLATION

Fig. 4—Internal schmeatics and external connections for T4039 Thermostats.

M5353
OFF BREAKS COOLING AND FAN CIRCUITS.
OFF BREAKS HEATING, COOLING AND FAN CIRCUITS.
SEPARATE POWER SOURCE FOR THERMOSTAT AND
FAN. CONNECT ORANGE AND YELLOW FOR
SINGLE POWER SOURCE IF NEEDED.
1
2
3

T4039G

BROWN
RED TO COOLING
CONTROL
ORANGE L1 (HOT)
RISE
TO HEATING
CONTROL
TO FAN
SPEED CONTROL
YELLOW
TAN

T4039B

HI
LO
MED
OFF
ON
RISE
BLUE
RED TO COOLING
CONTROL
ORANGE
1
L1 (HOT)
OFF
ON
RISE
TO FAN
BLUE
RED TO COOLING
CONTROL
YELLOW
ORANGE
1
3
L1 (HOT)
L1 (HOT)

T4039A

T4039F

TO FAN
SPEED CONTROL
YELLOW
TAN
HI
LO
MED
OFF
ON
BLUE
1
TO COOLING
CONTROL
BROWN TO HEATING
CONTROL
RED
ORANGE L1 (HOT)
RISE
RISE
HI
LO
MED

T4039H

TO HEATING
CONTROL
BROWN
2
OFF
ON
TO FAN
BLUE
RED TO COOLING CONTROL
YELLOW
ORANGE 3
L1 (HOT)
RISE
L1 (HOT)
TO COOLING CONTROL
YELLOW
BROWN TO HEATING
CONTROL

T4039E

TO FAN
SPEED CONTROL
HI
LO
OFF
BLUE
RED
ORANGE
1
L1 (HOT)
RISE
RISE
LO
HI
TO HEATING
CONTROL
BROWN
2

T4039D

OFF
ON
TO FAN
BLUE
RED TO COOLING CONTROL
YELLOW
ORANGE 3
L1 (HOT)
RISE
RISE
L1 (HOT)