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 switching device for a multi-split air conditioner and a multi-split air conditioner having same. The switching device has a base, a drain tank, multiple damping pads, and multiple fixing members. The base has a bottom wall and side walls, the side walls surrounding the bottom wall and extending upward from the edge of the bottom wall. The drain tank is disposed in the base, and the bottom surface of the drain tank is vertically spaced apart from the bottom wall of the base. The multiple damping pads are disposed on the drain tank and arranged at intervals in the circumferential direction of the drain tank. The multiple fixing members are respectively disposed on the damping pads and are connected to the side walls of the base. The multiple fixing members are all spaced apart from the drain tank.

A switching device for a multi-split air conditioner and a multi-split air conditioner having same. The switching device has a base, a drain tank, multiple damping pads, and multiple fixing members. The base has a bottom wall and side walls, the side walls surrounding the bottom wall and extending upward from the edge of the bottom wall. The drain tank is disposed in the base, and the bottom surface of the drain tank is vertically spaced apart from the bottom wall of the base. The multiple damping pads are disposed on the drain tank and arranged at intervals in the circumferential direction of the drain tank. The multiple fixing members are respectively disposed on the damping pads and are connected to the side walls of the base. The multiple fixing members are all spaced apart from the drain tank.

In one instance, a cooling unit for use as an aspect of a cooling system includes a cabinet having a plurality of panels and having an interior, a front face with a fan aperture formed in the front face, and a bottom panel. The cooling unit further includes a drain pan below the bottom panel. The cooling unit also includes a plurality of guide-rail slide and track assemblies coupled between at least a portion of the cabinet and the drain pan for providing controlled movement of the drain pan between an operational position and a maintenance position. Other cooling units are disclosed with drain pans that may be lowered by a single technician.

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 evaporative air cooling tower is described. The evaporative air cooling tower includes a housing defining an interior of the evaporative air cooling tower; a grill coupled to the housing and defining openings; a tank positioned adjacent to a bottom portion of the housing, wherein the tank is configured to receive and store liquid; a tray positioned adjacent to a top portion of the housing, wherein the tray is configured to receive and release the liquid; a hose in fluid communication with the tank and the tray; a pump configured to pump the liquid from the tank to the tray through the hose; a filter structure comprising a filter configured to receive the liquid from the tray; and a fan configured to draw air into the interior, wherein the air is cooled by the filter and directed out of the interior through the openings.

An evaporative air cooling tower is described. The evaporative air cooling tower includes a housing defining an interior of the evaporative air cooling tower; a grill coupled to the housing and defining openings; a tank positioned adjacent to a bottom portion of the housing, wherein the tank is configured to receive and store liquid; a tray positioned adjacent to a top portion of the housing, wherein the tray is configured to receive and release the liquid; a hose in fluid communication with the tank and the tray; a pump configured to pump the liquid from the tank to the tray through the hose; a filter structure comprising a filter configured to receive the liquid from the tray; and a fan configured to draw air into the interior, wherein the air is cooled by the filter and directed out of the interior through the openings.

An air conditioning appliance includes a housing, a drain pan positioned below the housing, and a plenum which is attached to the housing and to the drain pan. The drain pan includes an upper surface in contact with the housing and a socket configured to receive a leg. The housing of the air conditioning appliance rests on the upper surface of the drain pan, such that the drain pan defines a platform which structurally supports the housing of the air conditioning appliance.

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.