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Chapter 6 Applications for the 1 heat/1 cool configuration
Condensate overflow (open=normal)
Low-temperature detection (open=normal)
H
24 Vac
N
44
Figure 13. Four-pipe fan coil with auto changeover
Occupancy (open=occupied)
LonTalk
GND*
Fan, high speed
GND*
Fan, medium speed
Factory-installed
jumpers not
required for
1 heat/1 cool
Discharge air
temperature
Entering water
temperature
*The grounding wire of a binary output should be
connected to one of the AC POWER (GND)
terminals.
GND*
Fan, low speed
GND*
Heating/cooling valve
GND*
Heating valve
GND*
Damper actuator
LonTalk
in
out
CNT-SVX06B-EN
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