VHVA1828E Schematic
208, 220 or 240VAC, 50/60Hz, 1 Phase
34
U4164Q
I
2
K2
H2
J2
20A
20A
20A
20A
30 AMP
30 AMP
PURPLE
ORANGE
YELLOWor BLUE
COOLING FAN
IN CONTROL
BOX
GRAY
PURPLE
ORANGE
YELLOWor BLUE
RTDSENSOR
4
5
2
1
3
UPPER
TEMPERATURE
ADJUSTMENT
POTENTIOMETER
11
10
9
8
7
6
ELEMENT CONTACTOR
BLUE
48
43
C1
3000 WATTS EACH
RTDSENSOR
4
5
2
1
3
LOWER
TEMPERATURE
ADJUSTMENT
POTENTIOMETER
POWER
BLOCK
BLACK
19
13
WHITE
19
11
18
29
A
GRAY
14
16
12
-
WH
ITE
++
-
41
39
46
44
+
BLACK ( 2 )
RED
GEARMOTOR
POWER SUPPLY
-
+
OUTPUT
INPUT
BLUE
31
WH
ITE
10 GA. BROWN
BLACK
10 GA. BLACK
A
B
E
A
SSR 2
14 GA. WHITE
RIGHT
LEFT
TOP ELEMENTS
SSR 3
REAR EXHAUST FANS
3000 WATTS EACH
RIGHT
LEFT
BOTTOM ELEMENTS
SSR 1
42
40
BLACK
WHITE
23
24
38
BLUE
15
BROWN
FAN
RELAY
COOL
-
DOWN
T/STATS.
CLOSE
ON TEMP
RISE.
N.O.
C
COOLING FAN
IN CONTROL
BOX DOOR
1
2
3
15 K OHM
RESISTOR
15 K OHM
RESISTOR
18
GA
.G
RE
EN
/Y
EL
LO
W
ST
RI
PE
18 GA. GREEN / YELLOW STRIPE
10 GA. GREEN / YELLOW STRIPE
LOWER
TEMPERATURE
CONTROL
UPPER
TEMPERATURE
CONTROL
G2
G3
GR
N
/Y
LW
GR
AY
BR
N
BL
UE
BL
UE
BR
OW
N J
J
J
J
J
BROWN
GRY
BROWN
GREEN / YELLOW STRIPE
BLUE
BROWN
BLACK
34
28 27
25
33
35
30
32
36
G2
G4
17
G2
25
37
26
22
21
19
20
50
10
A
GEARMOTOR
REVERSING
SWITCH
GEARMOTOR
AND SPEED
POT
GREEN
YELLOW
ORANGE
C
O
I
L
C
O
I
L
C
O
I
L
SSR3
SSR2
SSR1
11
10
9
8
7
6
RED
S1
BLKS2
BRNS3
RED
S1
BLKS2
BRNS3
B3
B1
A2
A3
B2
A1
DIR
S3
S2
S1
E1
E2
DIR
S3
S2
S1
E1
E2
G1
9
7
5
8
6
4
FUSE 2
5 AMPS
FUSE 1
5 AMPS
L1
L2
G
G
T3
T2
T1
T1
T3
T2
T1
BLOWER MOTOR
SPEED CONTROLS
1~ IN; 1 or 3~OUT
3~
CCW
BLACK
YELLOW
YELLOW
LOWER BLOWER
MOTOR SPEED
CONTROL AND
POTENTIOMETER
BLACK
BLACK
YELLOW
3~
CCW
BLACK
YELLOW
YELLOW
UPPER BLOWER
MOTOR SPEED
CONTROL AND
POTENTIOMETER
BLACK
BLACK
WHITE
BR
OW
N
GRN
GRN
GR
EEN
BL
UE
BR
OW
N
ND
G
LOWER BLOWER
MOTOR
UPPER BLOWER
MOTOR
YELLOW
BLACK
BLACK
BLACK
BLACK
MAIN SWITCH
MAIN SWITCH
L1
L2
G
JUNCTION
BLOCK
BLACK
WHITE
GREEN
RED
BR
OW
N
BR
OW
N
VA
CU
UM
SW
ITC
HE
S.
CL
OS
EO
N
BL
OW
ER
VACU
UM
G
N
Q
P
M
R
C1
C1
C1
C1
14
GA
WH
ITE
14
GA
BR
OW
N
14
GA
WH
ITE
F
C
D
Summary of Contents for VH1620E
Page 22: ...22 Notes ...