( Only 1 intermittent switch can be connected as shown above)
Switch
20/40/60 Min. Timer (TC 100 - 5V)
Intermittent Switch (IC 100 - 5V)
Black
White (-)
+
l
Black (+)
Wiring Diagram (Cont’d)
4
120 VAC Light/Switch Options
(a) & (b)
Main
Control
Board
Switch
Note:
3 Wall-controls and 2 Timer switches or 2 wall controls and 3 Timer switches or
1 wall control and 4 Timer switches can be connected to control board of HRV/ERV
by using three 26 AWG (min.) Copper wires as shown.
Maximum wire length is 75ft.
Option 3:
Option 1:
to Control
Board
Wall Control Units and Timer Switches (Low Voltage, 5 VDC)
Option 2:
to Control
Board
(Refer to page 8
to set address
A1, A2, & A3)
Wall
Control
Unit
A1
+5V GND SGNL
+5V
GND
SGNL
GRN
YEL RED
2
GRN
YEL RED
3
GRN
YEL RED
to Control
Board
to Control
Board
1
GRN
YEL RED
2
GRN
YEL RED
3
GRN
YEL RED
Wall
Control
Unit
A1
+5V GND SGNL
+5V
GND
SGNL
+5V
GND
SGNL
Wall
Control
Unit
A1
+5V GND SGNL
Wall
Control
Unit
A2
+5V GND SGNL
Wall
Control
Unit
A3
+5V GND SGNL
+5V
GND
SGNL
4
GRN
YEL RED
Wall
Control
Unit
A1
+5V GND SGNL
to Control
Board
1
GRN
YEL RED
2
GRN
YEL RED
+5V
GND
SGNL
1
Timer
Switch
Timer/
Switch
Intermittent
Timer/
Switch
Intermittent
Timer/
Switch
Intermittent
Timer
Wall Control (WC 100)
Timer
Switch
Timer
Switch
Timer
Switch
Timer
Switch
120VAC / 1 / 60Hz
Power Supply
Light
Switch Options
:
a. TC100-120
b. TC100-120P
GND
SGNL
+5V
Fan #1
120 VAC
Switch Connection
DC Controls
Fan #2
