Provided is an outdoor unit of an air conditioner. The outdoor unit of the air conditioner includes a heat exchanger, a base arranged below the heat exchanger and including a first part including a drain hole formed to correspond to the heat exchanger to discharge water generated from the heat exchanger, and a second part formed to have a stepped portion with the first part, and a leg provided below the base and including a panel formed to slope while being spaced apart from the base such that the water is discharged through the drain hole.

A controller, a water source heat pump and a computer useable medium are disclosed herein. In one embodiment the controller includes: (1) an interface configured to receive operating data and monitoring data from the water source heat pump and transmit control signals to components of thereof and (2) a processor configured to respond to the operating data or the monitoring data by operating at least one motor-operated valve of the water source heat pump via a control signal.

A controller, a water source heat pump and a computer useable medium are disclosed herein. In one embodiment the controller includes: (1) an interface configured to receive operating data and monitoring data from the water source heat pump and transmit control signals to components of thereof and (2) a processor configured to respond to the operating data or the monitoring data by operating at least one motor-operated valve of the water source heat pump via a control signal.

An outdoor unit of an air-conditioning apparatus includes: a housing; and a partition plate, a device accommodated in a machine chamber, a fan accommodated in a fan chamber, the partition plate having a wiring passage, wherein the outdoor unit includes a water receiving part provided to the machine chamber, the water receiving part having a box shape, a side wall portion of the water receiving part has a first opening port, and an upper surface portion of the water receiving part has a second opening port, the water receiving part is attached to the partition plate such that an edge of the first opening port is in contact with the partition plate, a gap, through which water discharged by the water receiving part passes, is formed between a bottom portion of the water receiving part and the partition plate, the bottom portion being inclined toward the gap.

An outdoor unit of an air-conditioning apparatus includes: a housing; and a partition plate, a device accommodated in a machine chamber, a fan accommodated in a fan chamber, the partition plate having a wiring passage, wherein the outdoor unit includes a water receiving part provided to the machine chamber, the water receiving part having a box shape, a side wall portion of the water receiving part has a first opening port, and an upper surface portion of the water receiving part has a second opening port, the water receiving part is attached to the partition plate such that an edge of the first opening port is in contact with the partition plate, a gap, through which water discharged by the water receiving part passes, is formed between a bottom portion of the water receiving part and the partition plate, the bottom portion being inclined toward the gap.

An outdoor unit for an air-conditioning apparatus includes a housing; a compressor provided in the housing and configured to compress refrigerant; an outdoor heat exchanger provided in the housing and allowing refrigerant and air to exchange heat with each other; a partition plate provided in the housing and partitioning an inside of the housing into a fan chamber and a machine chamber in which the compressor is provided; an electronic component provided in the machine chamber; a refrigerant pipe provided in the machine chamber and connecting the compressor and the outdoor heat exchanger and disposed above the electronic component; a valve connected to the refrigerant pipe in the machine chamber and disposed above the electronic component; and a drip inhibiting portion that covers the refrigerant pipe and a lower part of the valve and inhibits water dripping from the refrigerant pipe from dripping onto the electronic component.

An outdoor unit for an air-conditioning apparatus includes a housing; a compressor provided in the housing and configured to compress refrigerant; an outdoor heat exchanger provided in the housing and allowing refrigerant and air to exchange heat with each other; a partition plate provided in the housing and partitioning an inside of the housing into a fan chamber and a machine chamber in which the compressor is provided; an electronic component provided in the machine chamber; a refrigerant pipe provided in the machine chamber and connecting the compressor and the outdoor heat exchanger and disposed above the electronic component; a valve connected to the refrigerant pipe in the machine chamber and disposed above the electronic component; and a drip inhibiting portion that covers the refrigerant pipe and a lower part of the valve and inhibits water dripping from the refrigerant pipe from dripping onto the electronic component.

An outdoor unit of an air-conditioning apparatus includes a housing, a heat exchanger, a bottom plate, a drainage structure, and a heater. The housing has an opening through a side of the housing. The heat exchanger is disposed in an upper portion of the interior of the housing. The bottom plate is disposed at the bottom of the housing, and has a drainage hole through which to drain out drain water generated at the heat exchanger. The drainage structure is disposed below the heat exchanger and that guides the drain water to the bottom plate. The drainage structure includes a side panel that covers the opening of the housing, and a water guide plate disposed inside the housing and facing the side panel. The water guide plate and the side panel define a drainage path for draining the drain water between the water guide plate and the side panel.

An outdoor unit of an air-conditioning apparatus includes a housing, a heat exchanger, a bottom plate, a drainage structure, and a heater. The housing has an opening through a side of the housing. The heat exchanger is disposed in an upper portion of the interior of the housing. The bottom plate is disposed at the bottom of the housing, and has a drainage hole through which to drain out drain water generated at the heat exchanger. The drainage structure is disposed below the heat exchanger and that guides the drain water to the bottom plate. The drainage structure includes a side panel that covers the opening of the housing, and a water guide plate disposed inside the housing and facing the side panel. The water guide plate and the side panel define a drainage path for draining the drain water between the water guide plate and the side panel.

An outdoor unit of an air-conditioning apparatus includes: a bottom plate having a drain hole formed therein to discharge drain water generated in a heat exchanger; a heater provided at an upper surface of the bottom plate; a heater fixing tool provided to fix the heater to the bottom plate, with the heater interposed between the heater fixing tool and the upper surface of the bottom plate; a screw fastened after inserted into a screw hole from above to fix the heater fixing tool to the bottom plate, the screw hole being provided in overlapping portions of the heater fixing tool and the bottom plate; and a protective cap configured to cover a tip of the screw from below, which projects downwards from a lower surface of the bottom plate. The screw hole is located in a surrounding area which surrounds the drain hole, and the heater fixing tool is fixed to the bottom plate in the surrounding area.