John Wood Commercial Electric Water Heater - Manual (Page 13)

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FIGURE 9: 9 Element, 1 Phase Power Circuit (Canada)
FIGURE 10: 9 Element, 3 Phase Power Circuit (Canada)
INPUT
TERMINAL
BLOCK
CONTACTORS
RED BLACK
LOWER ELEMENTS
BLACK
BLACK
BLACK
RED
RED
RED
L1 L2
BLACK
BLACK
BLACK
L1 L2 L3
T1 T2 T3 C1
CENTER ELEMENTS
L1 L2 L3
T1 T2 T3 C2
RED RED RED
BLACK
BLACK
BLACK
UPPER ELEMENTS
L1 L2 L3
T1 T2 T3 C3
RED RED RED
CONTACTORS
T1 T2 T3 C3
YELLOW YELLOW YELLOW
L1 L2 L3
T1 T2 T3 C1
BLUE BLUE BLUE
INPUT
TERMINAL
BLOCK
YELLOW BLACK BLUE
L1 L2 L3
LOWER ELEMENTS
CENTER ELEMENTS
T1 T2 T3 C2
BLACK BLACK BLACK
UPPER ELEMENTS
L1 L2 L3 L1 L2 L3