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Manual 2100-549G
Page 39 of 59
MED. HI
7961-7554
MOTOR SPEEDS
LO
MED. LO
HI
375
VENT OPTION INTAKE/EXHAUST SPEEDS
BROWN/WHITE
BLACK
BLUE
ORANGE
RED
HIBLACK
BLUE
SPEED NOM. CFM
RED
WIRE WITH WHITE TRACE.
300
WIRE COLOR
450
525
LO
MED-LO
MED-HI
ORANGE
Move brown/white wire to corresponding motor
speed for required ventilation CFM. Factory
setting is Medium Lo (375 CFM).
TO CHANGE SPEEDS, MOVE BROWN
7961-755-2
PINK
Move pink wire to corresponding motor
speed for required economizer operation CFM.
Factory setting is High (525 CFM).
MIS-3271
HEATING MODE OPERATION
CompleteStat should never energize “YO” terminals in
conjunction with “B”, so relay “R2” will never
energize, and neither will Economizer Ventilation
Speed.
“Y1” and “Y2” signals will pass through NC contacts
of relay “R2” contacts, and all heating operations will
be normal.
VENTILATION MODE
The call for ventilation will never be disrupted with this
control circuit. Anytime “A” signal from CompleteStat
is present, the “VENTILATION SPEED” of the vent
package will be energized. “A” Signal from thermostat
will also energize relay “R4” (“Blower Interlock
Relay”) completing a circuit from “R” to “G” through
the “NO” contacts to ensure blower operations on the
ventilation call.
FIGURE 24
MOTOR SPEED/CFM CONFIGURATION