10
Figure 12. Typical VWMA007 to 018 Wiring Diagram
Typical wiring diagram. Refer to wiring diagram on the unit for actual wiring.
T1
MAIN CONTROL BOARD
INDOOR UNIT POWER
208-230V
CONNECT TO
WIRED CONTROLLER
CONNECT TO
OUTDOOR
UNIT
WEEKLY TIMER
TROLLER
DISPLAY BOARD
WIRED
CONTROLLER
REMOTE
ON / OFF
NOTE - Dashed line indicates optional or field-
wired components.
NOTE - If indoor unit is the final unit in a group
wired in series, install provided resistor across
terminals P and Q.
NOTE - Use 3-conductor, shielded cable for
communication wiring.
FM
WHITE
WHITE(GRAY)
C
TR
Y/G
EEV
CN10
WHITE
CN15
CN5
CN3
CN24
CN7
CN1
CN21
GM
GM
CN4
DM
HEAT
ANION
Y/G
BLUE
RED
HEAT_L
HEAT_N
XS2
XP2
CN1
CN2
CN2
T1
WHITE
T2B
T2
BLACK
SW1
SW2
SW5
SW6
ENC1
ON
ON
ON
ON
CN19
J1J2
CN9
CN8
CN20
POWER_S
(BLUE)
(WHITE)
(RED)
(WHITE)
(WHITE)
(WHITE)
(BLUE)
(WHITE)
(RED)
(WHITE)
XT1
L1
L2
Y/G
Y/G
Z
CN13
CN17
CN16
XT2
P
Q(E)
X
Y
(E)
YELLOW
XS1XP1
GROUND
GROUND
GROUND
CN14
YELLOW
CS
T2B
T2
TR
FM
XS1-
7
XP1-7
T1
C
KEY
XT1-2
EEV
COMPONENT
GM
DM
INDOOR FAN
ELECTRONIC
EXPANSION VALVE
INLET AIR TEMP.
EVAP OUTLET TEMP.
(COOLING MODE)
COIL TEMP.
PLUG
JACK
TRANSFORMER
TERMINAL BLOCK
WATER LEVEL SWITCH
FAN CAPACITOR
FAN CAPACITOR
SWING MOTOR
PUMP MOTOR
HEAT
ANION
AUXILIARY HEATER
ANION GENERATOR