Abstract:
A condensing type clothes dryer having a heat pump cycle includes: a drum (110) where an object to be dried is accommodated; a circulation duct (120) which forms a circulation passage such that air circulates via the drum (110); a circulation fan (130) configured to circulate the air along the circulation duct (120); a heat pump cycle (140) having an evaporator (141) and a condenser (142) spaced from each other in the circulation duct (120), and configured to absorb heat of air discharged from the drum (110) through the evaporator (141), and to transfer the heat to air introduced into the drum (110) through the condenser (142), by using an operation fluid which circulates via the evaporator (141) and the condenser (142); a bypass flow path (150) formed at the circulation duct (120) such that part of air discharged from the drum (110) bypasses the evaporator (141) to thus be mixed with air having passed through the evaporator (141) at an upstream side of the condenser (142); and an opening and closing unit (151, 160, 161, 162, 163) installed at the bypass flow path (150), and configured to selectively open or close the bypass flow path (150).
Abstract:
Disclosed are a method for diagnosing a clothes treating apparatus, and a clothes treating apparatus having a refrigerant leakage detecting means. In a clothes treating apparatus comprising a drum configured to accommodate therein an object to be dried, an air suction means configured to form a flow path of air introduced into the drum, an air exhaustion means configured to form a flow path of air exhausted from the drum, a condenser disposed to heat air sucked into the drum through the air suction means, an evaporator disposed to cool air exhausted from the drum through the air exhaustion means, and a compressor and an expander configured to constitute a heat pump together with the condenser and the evaporator, the method includes a temperature detection step of detecting a temperature change of air passing through the condenser or the air suction means, and a determination step of determining that refrigerant leakage has occurred when a temperature decrease amount measured in the temperature detection step is more than a predetermined level.