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ELECTRONIC
THERMOSTAT (ET)
FUSED DISCONNECT
OR CIRCUIT BREAKER
L 1
L 3
L 4
T 4
T 2
TEMPERATURE
SENSOR
UPPER
ELEMENT
LOWER
ELEMENT
319165-001G
ENERGY SMART
MODULE (ESM)
GROUND
SCREW
ELECTRICAL
SERVICE
GROUND
RED
BLACK
BLUE
BLUE
BLACK
YELLOW
ON
JUNCTION
BOX COVER
BLACK - 5 WIRES
BLACK - 2 WIRES
120
V
1500*
2000
2500
3000
3500
4000
4500
5000
5500
15
20
30
30
-
-
-
-
-
WATT
LOAD
BRANCH CIRCUIT SIZING GUIDE
Based on N.E.C. NFPA NO. 70 - 1999
15
15
15
20
20
25
30
30
15
15
15
15
20
20
25
30
30
208
V
240
V
Recommend
Over Current
Protection Rating
12
10
10
8
-
-
-
-
-
14
14
14
12
10
10
10
10
14
14
14
12
12
10
10
10
10
120
V
208
V
240
V
Copper Wire Size
AWG Based on
N.E.C.
Table 310 - 16
C)
Wattages less than 1500 may be wired 14 gage with a maximum
15 amp protection.
SMART GRID
WIRE HARNESS
GREEN
BLACK
RED
THERMOSTAT WIRING DIAGRAM