Whirlpool DryAire LMA1053L Specifications download pdf (Page 34)

11.2. Dehumidifier Off

DEHUMIDIFIER OFF

{CONTACTOR CLOSED}

COMPRESSOR HUMS DOES NOT HUM

• Refrigerant pressure not equalized. • Contactor points burned.

• Run capacitor open. • Compressor wiring open.

• Compressor wiring open. • Thermal overload open.

• Three phase compressor stuck

on single phasing.

DEHUMIDIFIER SHORT CYCLES

• Low charge. • Low suction pressure. Normal Suction

• DX valve power element. • Suction too warm. • Low voltage.

• Dryer restricted. • Unbalanced phase.

• Low air flow. • Tight compressor.

High Suction

• Bad compressor.

• Blower set for too

much air flow.

• Dirty filter. • Over-charged.

• Slow blower speed. • Air in system.

• Room temperature too • Dirty filter.

high. • Short cycling air.

• Supply or return air • Low air flow.

grilles restricted. • Return air temperature

• Defective high pressure above 90°F.

switch.

LOW PRESSURE

CONTROL

HI-PRESS SWITCH

TRIPPING / REPEAT

HI-PRESS SWITCH

TRIPPING / REPEAT

COMPRESSOR

THERMOSTAT

THERMAL

OVERLOAD

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Whirlpool DryAire LMA1053L Specifications Page 34