Installation guide
III. ELECTRICAL HOOK-UP
WARNING
BEFORE BEGINNING ANY WORK ON THE ELECTRICAL INSTALLATION,
BE SURE THE SWITCH AT MAIN BREAKER PANEL IS “OFF” TO AVOID
ANY DANGER OF ELECTRICAL SHOCK.
“Four Module, Single Phase” heaters are manufactured to the following specifications:
This unit must have its own independent circuits, using 4 SETS of UL listed 2 conductor and
ground core copper wire cable of the appropriate size protected by 4 separate and independent
correctly rated Double Pole Breakers. (220, 240 V, see Figures 4 and 5). Wire entry into
the unit must be made through the 4 holes provided in the flange on the backplate.
The “live” wires should be connected to the slots in the terminal block marked L1 and L2. The
ground lead must be connected to the slot marked GND. GROUND MUST BE BROUGHT TO
THE “GROUND” AT THE CIRCUIT BREAKER PANEL.
DANGER
FAILURE TO GROUND THE SYSTEM MAY RESULT IN DEATH OR SERIOUS INJURY.
* Units rated of 240 V can operate at 220 V with reduced output.
The output will vary in accordance with the following ratios:
220 volts 240 volts
.84 1.0output ratio
volts
MODEL TYPE OUTPUT / kW VOLTAGE / V AMPERAGE
EX380T2T2 38 240 4 x 39 AMPS
EX380T4 38 240 4 x 39 AMPS
SPECIAL
ONON
OFF
OF
F
ON
OFF
ON
OFF
4 Separate and independent
correctly rated Double pole
breakers (220/240 Volts)
Figure 4
Figure 5
7
*
Circuit Breaker Panel
ONON
OFF
OF
F
ONON
OFF
OF
F
*