25
10436950
Air Handler with Variable Speed High Efficiency Motor
FIELD WIRING
LEGEND:
LOW VOLTAGE
HIGH VOLTAGE
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 havea 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.
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.
WIRING DIAGRAM
CONNECT TO W1 ON CONTROL BOARD ONLY
WHEN ELECTRIC HEATER KIT IS INSTALLED
CONNECT TO WHITE WIRE ON HEATER
KIT ONLY WHEN ELECTRIC HEATER KIT
IS INSTALLED
WHITE WIRE FROM
ELECTRIC HEATER KIT
ACCESSORY
WHITE
WHITE
07/26
1
2
240
24 V
208
COM
TRANSFORMER
R
C
HEA
TER PLU
G
L
Y1
W2
W1
O
Y/Y2
G
R
C
L2
L1
EA
L
HU
M
L1 L2 C R
EXP
ANSION
MOTOR
TEST
EXPANSION
MOTOR
W
Y/Y2
Y1
H
L2 OUT
L2 IN
DEHUM
Y1
SENSOR
GND
C DX- DX+ R
BLA
CK
WHITE
6-PIN PLUG
6-PIN PLUG
4-PIN PLUG
HARNESS
GREEN
1
2
3
4
55
6
1
2
3
4
55
6
BLOWER
LIMIT
BLOWER
LIMIT
BLA
CK
WHITE
GRA
Y
RED
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
RED
CUT WIRES TO REMOVE
PLUG HOUSING
WHEN HEATER KIT
NOT INSTALLED
BLACK
BLACK
WHITE
BLUE
BLUE
BLUE
Figure 17. B64VM Wiring Diagram
Summary of Contents for B64EM Series
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