CE:3501 no1E ceiling condensation. ~~~~~ Observed light condensation on 3501 no.1 End. Used venturi pump to purge drain pan. Both AC able to cut-out. Checked return air damper insulation ok. Checked AC settings - Both units were set to 24deg. Reverted settings to 25deg and monitored for 1 hr. No condensation observed. N.ASANKAR/14.03.22 --------------