AUX AL-H12/4R1D, Service Manual

Page: 121 / 157

AUX-Light CAC 50Hz R410A Trouble shooting
121
Heat relay
Heat relay is normally made up of
double metal sheet, when the
current is too large, the double
metal sheet will heat distortion and
movement, and open the protection
contactor ,which causes control
circuit disconnect and then the main
circuit will be cut off, after it cooling,
control circuit will restore
connection, but the main circuit is
still disconnect, need to press start
button to restart unit,
Condensate
pump
Only for Cassette, the pump head is 1.2 meter,the
condensate pipe must have over 1/100 descend
angle, after unit cooling or dehumidify stops running,
the pump will still work 3 minutes to clean the
condensate.
Sensor
Physical properties will change along with the
temperature, pressure change,used for check
temperature and pressure.
Release link
Current setting
button
Thermoelement
Driving push rod
Water outlet
Water inlet
Plastic package
Copperhead