Herrmidifier Herrtronic AD - Manual (Page 10)

Herrtronic AD Series Installation, Operation and Service Manual
Wiring
All field wiring should be routed up through the bottom
panel (refer to Figure 11 for locations).
.
A Drain Connection – ¾” Hose. Use ¾” flexible
tube included to connect drain reservoir to 1”
Min. drain line.
B Knockout for Control Wiring
C Fill Connection – ½” Compression
D Knockout for Main Power Supply
Control Circuit Connections
All external electrical control circuits are to be connected
to the humidifier using the 12 pole control terminal strip
located in the low voltage electrical compartment. The
terminal strip is accessed through the front door or the
electrical compartment door. A cable tie is provided to
secure all control wiring. All control wiring should be 18
AWG or larger. WARNING!
Do not mount the standard steam distribution pipe in a
vertical downflow duct. The combination of static
pressure and velocity pressure may be more than the
cylinder and/or the fill tee can handle. A special steam
distributor must be ordered when installing in a vertical
downflow duct.