B
C
Com
MUX
MUX
1 2 3 4 5 6 7 8
Cntr
l 1
Cntr
l 2
Ground
AC
AC
Com
MUX
MUX
A
C
1 2 3 4
5 6 7 8
Cntr
l 1
Cntr
l 2
Ground
AC
AC
Com
MUX
MUX
AC
G
N
D
B
B
A
AC
Comm & Power
( & combined)
Page 9
shading solutions by
VIMCO
TM
MDU WIRING - WIRING MULTIPLE MOTORS TOGETHER
Wire to a
Sivoia
®
plug-in transformer, junction box mount
transformer, or a
Sivoia
®
power panel. Each MDU must be
EARTH grounded. One
Sivoia
®
transformer can power
ONLY
ONE MDU
regardless of shade size.
To a
Sivoia
®
wall
mounted keypad, or
a
Sivoia
®
interface
To a
Sivoia
®
wall
mounted keypad, or
a
Sivoia
®
interface
A maximum of 64 MDU's can be wired
together per system
MDU Terminal Blocks
Control
Comm Link
Comm Link
Power
Supply
Control
Next
MDU
Next
MDU
Comm Link
Power Supply
Wire Type
Control
Description
2 conductors / #22-24 AWG
3 conductors (2 shielded, 1 common) / #24 AWG
Belden
®
wire model #1883A
3 conductors #22 AWG
Lutron
model # SV-IR-EXT-10
3 conductors:
2 / #18-22 AWG (24 VAC power supply)
1 / #18-22 AWG (earth ground)
6 conductors:
2 / #16 AWG (24 VAC power supply)
1 / #18 AWG (earth ground)
3 #22 AWG sh 1 #24 AWG common (comm link)
(Lutron wire model no. SV-CBL-MDU-250)
Control to MDU: 250 ft. (76 m)
Max. Length
4000 ft. (1333 m) per system
1000 ft. (333 m) from MDU to MDU
50 ft. (15 m) per system - total of 5
SV-IR-EXT-10, 10 ft. (3 m) each
MDU to
Sivoia
®
power panel:
200 ft. (61 m)
Transformer to MDU:
#18 AWG - 150 ft. (46 m)
#20 AWG - 100 ft. (31 m)
#22 AWG - 60 ft. (18 m)
A
Comm Link
B
B
D
Power Wires
C
C
SV-IR Extension
Cable
E
5
