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Figure 3 Ethernet CAT5 Wiring
Mounting the NT20e
Remove the NT20e from the electro-static bag. Before mounting the NT20e verify the
NT20e jumpers are configured or your application. The NT20e contains jumpers to
configure the HVAC power settings. Table 3 shows the possible HVAC power
configurations. Most applications use only RH power. The NT20e is shipped with the
‘RH Only’ configuration.
The HVAC power configuration determines which HVAC power source RH or RC is
switched to turn on the different HVAC systems (cool, heat and fan). The NT20e does
not take power from the HVAC interface.
Figure 4 shows the location of the jumpers on the NT20e circuit module. Note that J2
has two possible positions. Figure 4 shows J2 in POS1 position. Justify the jumper
downward for POS2 position.
Mount the NT20e into the wall plate by inserting the top two hinges into the
corresponding receptacle holes in the top of the base plate. Snap the bottom of the
NT20e securely into the base plate.
