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2.3.2 Humidity and Temperature Probe
The figure below shows the wiring hookup for the temperature and humidity
probe.
Choose one which gives the best signal integrity-
1) Connect Probe’s Shield to RTN if Probe Housing is not connected to
Earth Ground.
OR
2) Connect Probe’s Shield to Earth Ground if Probe Housing is not
connected to Earth Ground.
Figure 2.5 Probe Wiring Hookup
8
BLACK(R
TN)
WHITE(CLK)
GREEN(DA
TA)
RED(VCC)
SHIELD(See Note)
N/C
METAL HOUSING
IS CONNECTED
TO SHIELD WIRE