GSW 73992 User Manual
Page 14
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FIGURE 11: 3 Element Control Circuit (USA only)
FIGURE 12: 3 Element Power Circuit (USA only)
INPUT
TERMINAL
BLOCK
3A FUSE
CONTROL
TRANSFORMER
HIGH-LIMIT
THERMOSTAT
480V
CONTACTORS
PRIMARY
SECONDARY
N
120V
THERMOSTAT
3A FUSE
GND
GROUND
C1
L1
L2
L3
X1
X2
2
4
3
1
1
2
4
240V
208V
C2
CONTACTORS
LOWER ELEMENTS
L1
L2
L3
T1
T2
T3
C2
INPUT
TERMINAL
BLOCK
(3 PHASE)
L1
L2
L3
BLACK
RED
BLUE/YELLOW
INPUT
TERMINAL
BLOCK
(SINGLE PHASE)
L1
L2
L3
BLACK/BLUE
RED/YELLOW
L1
L2
L3
T1
T2
T3
C1
FUSE HOLDER
WITH FUSES *
BLACK
BLACK
BLUE
RED
YELLOW
RED
* REPLACE FUSES WITH
SAME SIZE, TYPE AND
RATING ONLY.