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Control input wiring
The internal controller offers four input control types, which are field adjustable. The factory default control type for Model 1150
is the Automatic Steam Humidifier Control, on-off configuration as shown in
Figure 16.
The factory default control type for Model 1160 is the Automatic Steam Humidifier Control, modulating configuration as shown in
Figure 17.
IMPORTANT: For Model 1150 on/off control, verify that the shunt on the JP2 jumper is placed over the 2 & 3 position. For Model
1160 modulating control, verify that the shunt on the JP2 jumper is placed over the 1 & 2 position.
To change the input control type on Model 1160 to signal by others, see
Figure 18 for a 0-10 VDC signal, and see Figure 19 for a
4-20 mA signal (input resistance 250 ohms).
IMPORTANT: Note the internal controller slide switch S1 settings in each control input wiring diagram.
90-917
FIGURE 17 – Model 1160: Input Wiring for Automatic Steam Humidifier Control (modulating configuration)
90-916
FIGURE 16 – Model 1150: Input Wiring for Automatic Steam Humidifier Control (on/off configuration)
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