CARNES HXHAWT Owner's Manual - Page 12
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CommerCial humidiStat
Power Connection Wiring (R, C)
The humidistat controller power connections are R and C and will most
commonly be powered by the 18VDC supply directly from the humidifier
control board. Proper R and C wiring is shown in Figure 5.
outdoor temperature Sensor Wiring (odt):
The outdoor temperature sensor wires will connect into the ODT terminals
on the humidistat terminal block as shown in Figure 5.
Humidifier Control Wiring (H1+):
The humidifier control terminal is labeled on the humidistat terminal block as
H1+. This terminal will need to be wired directly to the humidifier as shown in
Figure 5. H1+ on the humidistat will connect to either the 'HUM' input or the
'HI' input on the humidifier control board, depending on the configuration of
the humidistat. The 'HUM' input will be used when using the humidistat as a
standard humidistat or humidity sensor and the 'HI' input will be used when
using the humidistat as a high limit humidistat.
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