Damper Mechanism - Hitachi RAF-25NH4 Service Manual

2. Damper Mechanism

(1) Disassembly diagram of damper mechanism
(2) Damper operation theory
The damper and the link connected to the damper moves at the same time by turning the motor.
Damper limit switch
Damper
closed
Damper driving
state
motor shaft
Damper
open
state
Damper limit switch
Damper
Link movement
direction
Link
Damper motor
Drain pan
40
Discharge frame
Damper limit switch is
set to ON.
Damper limit switch is
set to OFF.