Form 9766 Rev.- ECO 1-7322 9/17
For field wiring and heater clearances, refer to
the
Installation Manual included with your heater. All
wiring must be performed by a licensed electrician
WIRING
BLACK - COMMON
GROUND
GROUND FROM HEATER
TRANSFORMER
BLUE
WHITE
12
3
LEADS
TO HEATING
ELEMENTS
POWER
SOURCE
PRIMARY SIDE
LEAD COLORS
600V - GRAY
480V - BLACK/RED
277V - BROWN
240V - ORANGE
208V - RED
L3
L2
L1
CONTACTOR
ROCKER SWITCH
TIP-OVER SWITCH
TIP-OVER
SWITCH
T3
T2
T1
4
1
2
3
4
FOR 3? OPERATION
L1-1 & 4,L2-2,L3-3.
FOR 1? OPERATION
L1-1 & 3, L2(N)-2 & 4.
WIRING SCHEMATIC
L1
L2(N)
FSP-4327-1 AND FSP-9527-1
MODELS
FOR ALL OTHER MODELS
