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Typical Electrical & Thermostat Wiring Diagrams
VEA/VHA 24K
L1
L2
QUICK DISCONNECT
HERM
BLUE
YELLOW
GREEN
WHITE
RED
CAPACITOR
BROWN
GREEN
BROWN
COMP WIRE HARNESS
COMPRESSOR
RED
BLUE
BLACK
RED
FAN
c
BLACK
BLUE
WHITE
TRANSFORMER
WHITE
BLACK
BLACK
COIL, SOLENOID
WIRE NUT (RED)
SEE NOTE #4
CAPACITOR
GREEN
MOTOR
CONDENSER
MOUNT
TO MOTOR
FAN
RED
BLACK
WHITE
HERM
c
BLACK
WHITE
BROWN
BLUE
YELLOW
GREEN
MOTOR
BLOWER
TO MOTOR
MOUNT
HEATER
WHITE
LOW AMBIENT
COMPR RELAY
CONTROL
WHITE
FAN
RELAY
BLACK
RELAY
REV VALVE
WHITE
2-REQ'D
DEFROST
INSULATOR
T-STAT
SWITCH
RED
YELLOW
WIRE NUT (RED)
7.5 KW & 10 KW
5 KW
2.5 KW & 3.4 KW
HEATER
BLACK
SEE NOTE #6
PRESSURE
WHITE
RELAY
HEAT
RELAY
HEAT
RELAY
HEAT
RELAY
HEAT
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
BLACK
RED
RED
RED
RED
RED
RED
RED
RED
(2.5KW/3.4KW
5 KW)
(2.5KW/3.4KW
5 KW)
(7.5KW/10KW) (7.5KW/10KW)
RED
BROWN
YELLOW
WHITE
RED
UP
(EAR)
THERMOSTAT CONNECTIONS
TERM BOARD
SHOWN BELOW
TRANSFORMER
FOR 208 VOLT MODELS ONLY
MOVE THE WHITE WIRE AS
RED
BLACK
BLACK
WHITE
"F"
R
"F"
C
"F"
S
COM.
240V
24V
1
2
3
4
1 3
2 4
4
31
2
L
C
H
2 4
1 3
2 4
1 3 1
2
3
1
3
4
2
4
208V
Y
W
G
R
R
C
B
YWRGBC
COM.
24V
208V 240V
NOTE: THE DIAGRAM ABOVE ILLUSTRATES THE TYPICAL THERMOSTAT WIRING AND 208
VOLT TRANSFORMER WIRING. SEE THE UNIT CONTROL PANEL FOR THE ACTUAL
UNIT WIRING DIAGRAM AND SCHEMATIC.
RT2
THERMOSTAT
(FRONT)