InstallatIon
3-52  HPR400XD Auto Gas  –  806160
Connect the power
1.   Insert the power cable through the strain relief at the rear of the power supply.
2.   Connect the ground lead (PE) to the GROUND terminal ( ) of TB1 as shown below.
3.   Connect the power leads to the terminals of TB1 as shown below.
4.   Verify that the line disconnect switch is in the OFF position and remains in the OFF position for the remainder of the 
installation of the system.
5.   Connect the power cord leads to the line disconnect switch following national and local electrical codes.
North American wire colors
U = Black
V = White
W = Red
(PE) Earth ground = Green/Yellow
European wire colors
U = Black
V = Blue
W = Brown
(PE) Earth ground = Green/Yellow
Line 
disconnect 
switch
Power 
cable
TB1
W
V
Ground
U
U
V W
DANGER 
ELECTRIC SHOCK CAN KILL
The line disconnect switch must be in the OFF position before making the power cable 
connections. In the U.S., use a “lock-out/tag-out” procedure until installation is complete. In other 
countries, follow appropriate national and local safety procedures.