Grounding conductor may be required.
Refer to Wiring Section of Manual
*
This water heater is factory equipped for two (2) wire connection to
electrical power. For use with "off-peak" meter (timer) remove wire
nut from red and black leads and connect to "off-peak" meter (timer).
!
Wiring Diagrams — Therm-O-Disc Thermostats (Type 59T)
SINGLE ELEMENT
DOUBLE ELEMENT
SIMULTANEOUS OPERATION
DOUBLE ELEMENT
SIMULTANEOUS OPERATION
WITH 4 WIRE OUTLET
DOUBLE ELEMENT
NON-SIMULTANEOUS
DOUBLE ELEMENT
NON-SIMULTANEOUS
WITH 4 WIRE OUTLET
!
DOUBLE ELEMENT
NON-SIMULTANEOUS
WITH 3 WIRE OUTLET
FIG. A-1
FIG. A-2 FIG. B FIG. C FIG. D FIG. E FIG. F
2
1
2
THERMOSTAT
& HIGH TEMP.
LIMIT (ECO)
HEATING
ELEMENT
WHITE
BLACK
BLACK
H
JUNCTION
BOX
N
1
G
BRANCH CIRCUIT
TO ELECTRICAL
DISTRIBUTION PANEL
120 V ONLY
2
1
2
THERMOST
AT
& HIGH
HEATIN
G
RE
BLAC
BLAC
L1
G
*
BRANCH CIRCUIT
TO ELECTRICAL
DISTRIBUTION
JUNCTIO
N
4
L2
RE
1 3
SINGLE ELEMENT
2
UPPER THERMOSTAT
& HIGH TEMP. LIMIT
(ECO)
UPPER
HEATING
ELEMENT
BLUE
L1
JUNCTION
BOX
4
L2
1 3
BLACK
RED
BLACK
LOWER
HEATING
ELEMENT
LOWER
THERMOSTAT
& HIGH TEMP
LIMIT (ECO)
1
2
1
1
2
BLUE
CONNECTOR TO "OFF PEAK"
METER (TIMER)
TM2
4
YELLOW
YELLOW
2
BRANCH CIRCUIT
TO ELECTRICAL
DISTRIBUTION PANEL
BLACK
LOWER
HEATING
ELEMENT
2
UPPER THERMOSTAT
& HIGH TEMP.
LIMIT (ECO)
UPPER
HEATING
ELEMENT
BLUE
YELLOW
BLACK
L1
JUNCTION
BOX
4
L2
RED
1 3
1
2
BLACK
RED
LOWER
THERMOSTAT
1
2
4
BRANCH CIRCUIT
TO ELECTRICAL
DISTRIBUTION PANEL
2
1
2
UPPER THERMOSTAT
& HIGH TEMP. LIMIT
(ECO)
UPPER
HEATING
ELEMENT
BLUE
YELLOW
L1
JUNCTION
BOX
4
L2
RED
1 3
1
2
4
BLACK
BLUE
BLACK
BLUE
YELLOW
LOWER
THERMOSTAT
LOWER
HEATING
ELEMENT
TM 1
BLACK
TM 2
BRANCH CIRCUIT
TO ELECTRICAL
DISTRIBUTION PANEL
G
*
G
*
G
*
BRANCH CIRCUIT
TO ELECTRICAL
DISTRIBUTION PANEL
UPPER THERMOSTAT
& HIGH TEMP. LIMIT (ECO)
2
UPPER
HEATING
ELEMENT
BLUE
L1
JUNCTION BOX
4
L2
1 3
RED (10 GA)
BLACK
LOWER
HEATING
ELEMENT
LOWER
THERMOSTAT
& HIGH TEMP
LIMIT (ECO)
1
2
4
1 3
1
2
RED
2
BLACK
(10 GA)
YELLOW
BLACK (10 GA)
RED
(10 GA)
G
*
2
UPPER THERMOSTAT
& HIGH TEMP. LIMIT (ECO)
UPPER
HEATING
ELEMENT
BLUE
L1
BRANCH CIRCUIT
TO ELECTRICAL
DISTRIBUTION PANEL
JUNCTION BOX
4
L2
1 3
BLACK (10 GA)
RED (10 GA)
BLACK
LOWER
HEATING
ELEMENT
LOWER
THERMOSTAT
& HIGH TEMP
LIMIT (ECO)
1
2
4
1 3
1
2
RED
2
BLUE
(10 GA)
TO SECOND POWER SOURCE,
"OFF PEAK" METER, OR TIMER
TM2
TM1
YELLOW
(10 GA)
YELLOW
G
*
THIS ELECTRIC WATER HEATER IS WIRED AS INDICATED ABOVE OR BELOW
Wiring Diagrams
Electric Water Heaters for
3 - Phase Applications
Therm-O-Disc Thermostats
(Type 59T)
For the connection of this
water heat er to a 3-Phase Branch
Circuit, con nect field wiring to
the water heater as indicated in
the ap pro pri ate wiring diagram
at right. A sep a rate junction box
is being supplied with this water
heater (check bot tom of carton)
to accomodate wir ing and con-
duit con nections. Install the
Junction Box as shown on the
Installation/Instruction Sheet
in clud ed in the plastic bag
at tached to the heater.
DOUBLE ELEMENT
SIMULTANEOUS OPERATION
DOUBLE ELEMENT
NON-SIMULTANEOUS
FIG. G
FIG. H
2
UPPER THERMOSTAT
& HIGH TEMP. LIMIT (ECO)
UPPER
HEATING
ELEMENT
BLUE
4
L3
BLACK
BLACK
LOWER
HEATING
ELEMENT
LOWER
THERMOSTAT
& HIGH TEMP
LIMIT (ECO)
1
1
2
RED
2
BLUE
YELLOW
G
*
YELLOW
3
L2
1
1
L1
2
4
3- PHASE BRANCH CIRCUIT
TO ELECTRICAL
DISTRIBUTION PANEL
2
UPPER THERMOSTAT
& HIGH TEMP. LIMIT (ECO)
UPPER
HEATING
ELEMENT
BLUE
3- PHASE BRANCH CIRCUIT
TO ELECTRICAL
DISTRIBUTION PANEL
4
L3
BLACK (10 GA)
RED (10 GA)
BLACK
LOWER
HEATING
ELEMENT
LOWER
THERMOSTAT
& HIGH TEMP
LIMIT (ECO)
1
4
1
2
RED
2
BLUE (10 GA)
YELLOW
G
*
YELLOW (10 GA)
3
3
L2
1
1
L1
2
20
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