Installation
10
UPC20+ Universal Power Controller
High Voltage Wiring Options
Single circuit 120/240 VAC
Single circuit connections (FIG. 4) are for most motor and screen control applications.
Dual circuit 120/240 VAC
Dual circuit connections provide power from two 120/240 VAC supply systems. FIG. 5 shows a dual
circuit 120/240 VAC power wiring. Refer to FIG. 1 on page 2 for the location of the Terminal Block P1
on the circuit board.
UPC20+ Control Mode Functions for Inputs 3 and 4 (Cont.)
Control Mode S2 Switch
Setting
R8 Motor
Time Delay
Pot
Input 1
(P2, pin 5-to GND)
Input 2
(P2, pin-6 to GND)
Power, Two Button On, Off, Off, On Minimum Push 3 = load 1 "off"
Release 3 = load 1
"still off"
Push 4 = load 2 "off"
Release 4 = load 2 "off"
Maximum Push 3 = load 1 "off"
Release 3 = load 1
"still off"
Push 4 = load 2 "off"
Release 4 = load 2 "off"
Power, Momen-
tary #1, Latching
#2
On, Off, On, On Minimum Not used Not used
Maximum Not used Not used
Power, Latching
#1, Momentary #2
On, Off, On, On Minimum Not used Not used
Maximum Not used Not used
FIG. 4
Single circuit 120/240 VAC power wiring
FIG. 5 Dual circuit 120/240 VAC power wiring
Neut
oa
or
Motor
#2
Line
oa
or
Motor
#1
Line #1, Line #2, and Line
to transformer are common.
6
5
432
1
Board
Power
Line
Terminal
Block P1
eut
#1
ne
#2
Load
#2
Line
#1
Load
#1
Line #1 in and Line to transformer are
common. Line #2 in is an independent circuit.
Board
Power
Terminal
Block P1
6
5
4
3
2
1
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