ZONE DAMPER WIRING
• Run 2-conductor thermostat wire for spring
return dampers (normally open or normally
closed).
• Run 3-conductor thermostat wire for power
open/power close dampers.
• Multiple dampers for the same zone can
be wired in parallel as shown in
FIGURES
8 & 9
.
• Wire the dampers to the zone panel:
–
NC
– This terminal is used to power
open a normally closed damper. For
power open and power close dampers
this terminal is used to power open the
damper.
–
NO
– This terminal is used to power close
a normally open damper. For power open
and power close dampers this terminal is
used to power close the damper.
–
COM
– This terminal provides a common
connection for the NC and NO terminals.
OPEN
CLOSE
COMMON
OPEN
CLOSE
COMMON
FIGURE 8
– NORMALLY OPEN / POWER CLOSE DAMPERS
FIGURE 9
– POWER OPEN / POWER CLOSE DAMPERS
90-2145
90-2154
8
B2206668C 61001213 AA 6202-6203 Zoned Comfort Control Install ENG-wrf.indd 8
6/14/18 3:28 PM