Condensation in motors
Condensation in motors
(OP)
For residential, outdoor condenser type motors (think of your central air conditioners), has anyone seen a good way of preventing condensation buildup inside the motor? Many motors fail due to rust buildup caused by condensation, but I've never seen a way of preventing this.





RE: Condensation in motors
RE: Condensation in motors
kind regds
RE: Condensation in motors
RE: Condensation in motors
rmw
RE: Condensation in motors
PSC-appliance motors — 48YZ {old ‘39 frame’} type are a huge commodity item, and on failure get replaced with fitsemall versions that may not effectively prevent ingress or allow drainage of rainwater. At best, “sealing” is usually a result of interference fit and no gaskets. Position of ventilating and weep openings probably has the most effect on survival, particularly for replacement motors.
To some degree, 1ø 460V PSC motors seem to e less tolerant to installation sloppiness compared to 200/230V versions.
RE: Condensation in motors
RE: Condensation in motors
RE: Condensation in motors
RE: Condensation in motors
RE: Condensation in motors
“Many motors fail due to rust buildup caused by condensation, but I've never seen a way of preventing this.”
Note; a hermetic motor do not have condensation problems since the ambient is not allowed to penetrate the motor internal parts (hermetic).
Reasonably if these motors have condensation problems, they are not hermetically sealed.
RE: Condensation in motors