Interlock (Optional) - BIRD ECONOLOAD 8730 Series Operation Manual

Econoload® Load Resistor

Interlock (Optional)

Disconnect the unit from all power sources before servicing. The unit may be
energized from multiple sources. The potential for electric shock exists.
The interlock control box has four 1/4" mounting holes in a 5" x 5" (127 x 127 mm) square. Mount it where the
safety light will be clearly visible. Wire the control box as follows (refer to

Connect the flow switch leads to terminals 3 and 5.

Connect the transmitter interlock to terminals 6 and 7.

Connect the ac power source to terminals 2 and 3, making sure that ac common is connected to terminal 2.
Figure 2 Interlock Connections
5
Improper wiring could result in electric shock and death.
If installed, connect optional interlock before applying RF power.
WARNING
WARNING
CAUTION
Figure 2):