GSW 73992 Water Heater User Manual


 
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FIGURE 13: 6 Element Control Circuit (USA only)
FIGURE 14: 6 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
C3C4
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.
BLACK
BLACK
BLUE
RED
YELLOW
RED
CENTER ELEMENTS
L1
L2 L3
T1 T2 T3
C4
L1
L2 L3
T1 T2 T3
C3