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.
This unit must have its own independent circuits.
(For PS19T use 2 SETS of UL listed 2 conductor
and ground core copper wire cable of the appropriate size protected by 2 separate and independent
correctly rated Double Pole breakers. See Figure 2). (For PS28T use 3 SETS of UL listed 2
conductor and ground core copper wire cable of the appropriate size protected by 3 separate and
Independent correctly rated Double Pole breakers. See Figure 3).
Applies for 208, 220 or 240 V.
Wire entry into the unit must be made through the hole provided in the flange on the bottom.
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 or 208V with reduced output.
The output will vary in accordance with the following ratios:
208 volts 220 volts 240 volts
.75 .84 1.0
output ratio
volts
M O D E L T Y P E
O U T P U T / k W
V O L T A G E / V
A M P E R A G E
P S 1 9 T
1 9
*2 4 0
2 X 4 0
P S 2 8 T
2 8
*2 4 0
3 X 4 0
ON
ON
OF
F
OF
F
ON
OF
F
ON
OF
F
3 Separate and independent
correctly rated Double pole
breakers (240/208 Volts)
Figure 3
7
*
Circuit Breaker Panel
ON
ON
OF
F
OF
F
ON
ON
OF
F
OF
F
ON
ON
OF
F
OF
F
2 Separate and independent
correctly rated Double pole
breakers (240/208 Volts
)
Figure 2
Circuit Breaker Panel
