Unbranded MB7BM Product information

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Product information

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WIRING DIAGRAM
Air Handler
Legend
Field Wiring
Factory Wiring:
Low Voltage
High Voltage
0812
7112470
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.
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.
CAP.
1
3
5
2
1
2
4
6
HEATER PLUG
RELAY
RELAY
Y
L2
L1
EAC
COOL
HEAT
W
G
R
C
R
C
L2
L1
-
7 6 5 4 3 2 1
1=COM
2=CAP.
3=CAP.
4=HI
5=MED
6=LOW
240
24 V
208 COM
TRANSFORMER
R
C
LOCATION OF
“T” CONNECTOR
MOTOR
3-SPEED
4-PIN PLUG (18)
CUT WIRES TO REMOVE PLUG HOUSING
WHEN HEATER KIT NOT INSTALLED
BLACK
RED
WHITE
BROWN
BROWN
BLACK
WHITE
RED
GRAY
YELLOW
WHITE
GREEN
GRAY
RED
RED
BLACK
BLW DTC
R
BLACK
IF BOARD
EQUIPPED
WITH
BLWDTC
TERMINAL
  • Page 1 1

Unbranded MB7BM Product information

Type
Product information
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