Nortec NH-EL Series - Manual (Page 34)

31 | Installation
Double Unit Control Wiring (Continued)
Independent– Two sets of control signals (Double Mode = Independent) wire the controls for
Zone A (cylinder A) to terminal block A and wire the controls for Zone B (cylinder B) to terminal
block B. All control signals must be the same type (Demand/Transducer).
Figure 27: Independent Mode Control Wiring (Double Unit)
Figure 28: Double Unit Independent Mode Wiring
Zone B (Cylinder B) Controls Zone A (Cylinder A) Controls .
Connect zone B
controls to
terminal block B
Connect zone A
controls to
terminal block A
B
A
Zone B (Cylinder B) Controls Zone A (Cylinder A) Controls .
Connect zone B
controls to
terminal block B
Connect zone A
controls to
terminal block A
B
A
1 – 24 VAC
2 – On/Off Loop
3 – Common
4 – Channel 1
5 – Channel 2
6 – 10 VDC
7 – Ground
8 – Blower Pack
9 – Blower Pack
1 – 24 VAC
2 – On/Off Loop
3 – Common
4 – Channel 1
5 – Channel 2
6 – 10 VDC
7 – Ground
8 – Blower Pack
9 – Blower Pack