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GREEN
GROUND
WIRE
CROSS-OVER WIRE (BLACK 208/240V, WHITE 120/277V)
RED CROSS-OVER WIRE USED FOR MULTIPLE END CONNECTED HEATERS ONLY.
{
L1
POWER
SUPPLY
L2
{
L
POWER
SUPPLY
N
BLACK*
* Use white cross-over
wire on the heaters
rated 120V or 277V
(A)
SUPPLY
GROUND
(B)
SUPPLY
Figure 5. Heater Wiring
SINGLE UNIT WIRING – SUPPLY IN MIDDLE
RIGHT HAND FIELD CONNECTION SHOWN. TO WIRE ON LEFT HAND SIDE:
(1) SEPARATE ELEMENT LEAD FROM CROSS-OVER WIRE ON LEFT SIDE.
(2) USING WIRE NUT, CONNECT LEAD WIRE TO CROSS-OVER WIRE ON RIGHT SIDE.
(3) CONNECT L1 TO ELEMENT LEAD AND L2 (OR NEUTRAL) TO CROSSOVER WIRE
ON LEFT SIDE.
ELEMENT
BLACK
RED
208 OR 240 VOLT MODELS
ELEMENT
WHITE
RED
120 OR 277 VOLT MODELS
TWO UNIT WIRING – SUPPLY IN MIDDLE
BLACK*
SUPPLY
GROUND
TWO OR MORE HEATERS – SUPPLY AT END
L1
Black
L2
Red
N
White
L1
Red
(A) 240 / 208 VOLT HEATERS
FOR GROUND CONTINUITY BETWEEN ADJACENT HEATERS USE GROUND WIRE PROVIDED.
SEE NOTES ABOVE FOR TWO UNIT WIRING – SUPPLY IN MIDDLE.
ELEMENT LEAD
120V - YELLOW
208V - BLUE
240V - RED
277V - BROWN
WARNING: CHECK HEATER NAMEPLATE AT
INSTALLATION TO VERIFY UNIT VOLTAGE RATING
IS THE SAME AS THE SUPPLY VOLTAGE.
ALL UNITS MAY BE WIRED FROM EITHER END.
HEATER GROUNDING WIRE FOR SUPPLY
GROUND CONNECTION FOUND ON EITHER END.
TO GROUND
SEE TABLE 1 FOR EXPANSION DIMENSIONS
CAUTION: TOTAL LOAD MUST NOT EXCEED
16AMPS FOR INTERCONNECTED HEATERS.
SUPPLY
Black
Red
White
Red
(B) 120 VOLT OR 277 VOLT HEATERS
4
GREEN
GROUND
WIRE
FACTORY
SUPPLY
SUPPLIED
WIRING
WIRE NUTS
(5 REQUIRED)
Black
Red
White
Red
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