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Baffle Operation
The baffle assembly consists of a 120vac motor, a baffle door and a feedback switch. The switch
provides a sensing circuit to the control to let it know the position of the baffle door. When the refrigerator thermistor
senses a temperature above the customer setting, the motor runs to open the baffle door.
Refrigerator thermistor calling for cooling - Baffle opening
When the baffle door is fully open, the switch closes sending 120vac out pin 4 (Y/R wire) on the baffle door
assembly to pin P1-1 on the control. When the control senses 120vac at P1-1, the motor stops with the door fully
open.
Refrigerator thermistor calling for cooling - Baffle open
4
OR/BK
Y/R
BK
AIR BAFFLE ASSEMBLY
4
5
6
P1-1
P2-1
P4-3 P4-4
P1-3
ELECTRONIC CONTROL
BAFFLE
TRIAC
WH
L1
N
BAFFLE MOTOR AND EVAPORATOR FAN RUNNING
BAFFLE OPENING
EVAP. MOTOR
TRIAC
P2-3
BK WH/BK
EVAP. FAN MOTOR
OR/BK
Y/R
BK
AIR BAFFLE ASSEMBLY
4
5
6
P1-1
P2-1
P4-3 P4-4
P1-3
ELECTRONIC CONTROL
WH
L1
N
BAFFLE MOTOR OFF, DOOR FULLY OPEN
EVAPORATOR FAN MOTOR RUNNING
EVAP. MOTOR
TRIAC
P2-3
BK WH/BK
EVAP. FAN MOTOR