Qmark RCC - Cove Heaters - Manual (Page 3)

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