User guide

19. ELECTRICAL SCHEMATICS & WIRING DIAGRAMS
26
MAIN SWITCH MAIN SWITCH
BLACK
BLACK
BLACK
BLACK
YELLOW
UPPER BLOWER
MOTOR
LOWER BLOWER
MOTOR
G
ND
BROWN
BLUE
GREEN
GRN
GRN
BROWN
WHITE
BLACK
BLACK
UPPER BLOWER
MOTOR SPEED
CONTROL AND
POTENTIOMETER
YELLOW
YELLOW
BLACK
3~
CCW
YELLOW
BLACK
BLACK
LOWER BLOWER
MOTOR SPEED
CONTROL AND
POTENT IO METER
YELLOW
YELLOW
BLACK
3~
CCW
BLOWE R MOTOR
SPEED CO NTROLS
1~ IN; 1 or 3~OUT
T1
T2
T3
T1T1
T2
T3
G
L1 L2 G
FUSE
1
5AMPS
FUSE 2
5AMPS
468
5
79
G1
A1
B2
A3
A2
B1
B3
BRN S 3
BLK S2
RED
S1
BRN S3
BLK S2
RED
S1
6
7
8
9
10
11
SSR 1
ORANGE
YELLOW
GREEN
GEARMOTOR
AND SPEED
POT
GEARMOTOR
REVERSING
SWITCH
A
10
20
19
21
22
26
37
25
G2
17
G4
G2
36
32
30
35
33
25
27
28
34
BLACK
BROWN
BLUE
GREEN / YELLOW STRIPE
BROWN
GRY
BROWN
J
J
J
J
J
BROWN
BLUE
BLUE
BRN
GRAY
GRN / YLW
G3
G2
UPPER
TEMPERATURE
CONTROL
LOWER
TEMPERATURE
CONTROL
10 GA. GREEN / YELLOW STRIPE
18 GA. GREEN / YELLOW STRIPE
18 GA. GREEN / YELLOW STRIPE
15 K OHM
RESI STOR
15 K OHM
RESI STOR
123
COOLING FAN
IN CONTROL
BOX DOOR
C
N.O.
FAN
RELAY
BROWN
15
BLUE
38
24
23
WHITE
BLACK
40
42
SSR 1
BOTTOM ELEMENTS
LEFT
RIGHT
1500 WATTS EACH
REAR EXHAUST FANS
SSR 3
TOP ELEMENTS
LEFT
RIGHT
SSR 2
A
E
B
F
G
C
D
I
J
K
H
A
10 GA. BLACK
BLACK
10 GA. BROWN
WHITE
31
BLUE
INPUT OUTPUT
+
-
GEARMOTOR
POWER SUPPLY
RED
BLACK ( 2 )
+
44
46
39
41
-
+
+
WHITE
-
12
16
14
GRAY
A
29
18
11
19
WHITE
13
19
BLACK
POWER BLOCK
LOWER
TEMPERATURE
ADJUSTMENT
POTENTIOMETER
3
1
2
5
4
RTD SENSOR
1500 WATTS EACH
43
48
BLUE
N
Q
P
M
ELEMENT CONTACTOR
6
7
8
9
10
11
UPPER
TEMPERATURE
ADJUSTMENT
POTENTIOMETER
3
1
2
5
4
RTD SENSOR
YELLOW o r BLUE
ORANGE
PURPL E
G
R
A
Y
COOLING FAN
IN CONTROL
BOX
YELLOW o r BLUE
ORANGE
PURPL E
R
R
E
D
BROWN
COOL-DOWN THERMOSTATS.
CLOSE ON TEMPERATURE RISE.
VACUUM SWITCHES.
CLOSE ON BLOWER VACUU M
50
BROWN
20
BROWN
C1
C1
C1
C1
14 GA WHITE
14 GA WHITE
14 GA WHITE
14 GA BROWN
VHVA1620E Schematic 208, 220 or 240VAC, 50/60Hz, 1 Phase
U4160Q