EXTRE COOLING XC-14A Service Manual page 31

XC-14A, XC-22A, XC-30A SERVICE MANUAL
Drain Tank Switch
• The drain switch activates and stop the operation of compressor motor
and fan motor when approximately 3.17 gal (12 L) of drain water
accumulates in the drain tank. At the same time, control panel display "FL",
and compressor and fan operations stop. This system uses a 250 V, 0.1 A
rating micro switch for this function.
• When approximately 3.17 gal (12 L) of drain water accumulates in the drain
tank, the drain tank base plate, which is supported at fulcrum (a), is pushed
down in the direction of the arrow.
• When the drain tank base plate is forced down, "portion A", located at the
top of the drain tank base plate, turns off micro switch contacts (1)-(2).
Drain Pan
Portion "A"
Spring
Relay
Board
Xtreme Power Conversion® (XPC) Corporation
Drain Water
Base
Full Drain Switch
NC (2)
2
NC
NO
3
COM
Portable Air Conditioners
Base Plate
1
C (1)
Evaporator
Drain Tube
Drain Tank
a
Portion "A"
Page 31