CIRCUIT
BREAKERS
SUPPLY VOLTAGE
WIRING DIAGRAM
7114690
Air Handler with Factory Installed Heat (15kW)
Legend
Field Wiring
Factory Wiring:
Low Voltage
High Voltage
11/14
GRAY
CAP.
1
3
5
2
1
2
4
6
HEATER PLUG
BLW DTC
RELAY
RELAY
Y
L2
L1
EAC
COOL
HEAT
W
G
R
C
R
C
L2
L1
R
-
7 6 5 4 3 2 1
240
24 V
208 COM
TRANSFORMER
R
C
BLACK
RED
WHITE
BROWN
BLACK
WHITE
RED
GRAY
BLACK
ELEMENT
BLACK
RED
RED
DC RELAY
DC RELAY
GRAY
ORANGE
BLUE
HARNESS
BROWN
GROUND
LOCATION OF
“T” CONNECTOR
MOTOR
4-SPEED
BLOWER
MOTOR
PLUG
6
5
4
3
2
1
1 = COM
2 = HIGH
3 = MED HIGH
4 = MED LOW
5 = LOW
6 = OPEN
DC RELAY
LIMIT
LIMIT
BLACK
BLACK
YELLOW
RED
BLACK
RED
RED
ELEMENT
BLACK
RED
NOTES:
1. The blower motor speed tap connection may not
be as shown. See the Installation Instructions.
2. Disconnect all power before servicing.
3. Transformer may have a dual voltage primary tap.
Match the tap position with the supply voltage
used.
4. If the internal wiring is replaced, use only 105°C
copper wire of the same gauge.
BLACK
BLACK
RED
Remarques
1. Le connecteur de vitesse du moteur du ventilateur peut différer de l’illustration. Consultez les
Instructions d’installation.
2. Débranchez toutes les sources d’alimentation avant l’entretien.
3. Le transformateur peut avoir un robinet principal à double tension. Agencez la position du
robinet au type de tension de l’installation.
4. Si le câblage interne est remplacé, utilisez seulement un fil de cuivre 105° C du même gabarit.
AC RELAY
AC RELAY
AC RELAY
RED
BLACK
RED
RED
RED
GRAY
WHITE
GRAY
WHITE
GRAY
WHITE
GRAY
GRAY
GRAY
WHITE
ELEMENT
TO THERMOSTAT
TO THERMOSTAT
/