Laundry treating device and method of controlling the same

1. A method of controlling both a first laundry treating device having a first tub into which laundry-is loaded through a front side thereof, a second laundry treating device located below the first laundry treating device and having a drawer that is slideable forward with respect to the first laundry treating device, with a second tub provided in the drawer into which laundry is loaded from an upper side of the drawer, a capacity of the first tub being greater than a capacity of the second tub, and a single cabinet that defines an exterior of both the first and second laundry treating devices, the cabinet including a mover housing having the first laundry treating device mounted at an upper side thereof and the second laundry treating device received at a lower side thereof, the method comprising:

receiving a first operating command for operation of the first laundry treating device and supplying water to the first tub in response to the receiving of the first operating command;

receiving a second operating command to initiate operation of the second laundry treating device while water is being supplied to the first tub in response to the receiving of the first operating command; and

alternately supplying water to the first tub and the second tub in response to the receiving of the second operating command.

2. The method of claim 1 , wherein alternately supplying water to the first tub and the second tub comprises supplying water to the second tub after supplying water to the first tub to a predetermined fill level.

3. The method of claim 1 , wherein alternately supplying water to the first tub and the second tub comprises:

supplying water only to the first tub until a predetermined condition occurs and then stopping the supply of water to the first tub;

thereafter supplying water only to the second tub until a predetermined amount of water is supplied to the second tub and then stopping the supply of water to the second tub; and

resuming supplying water to the first tub until a predetermined amount of water is supplied to the first tub.

4. The method of claim 1 , wherein alternately supplying water to the first tub and the second tub comprises supplying water only to the first tub and then supplying water only to the second tub until respective predetermined amounts of water have been supplied to both the first and second tubs.

5. The method of claim 1 , wherein supplying water to the first tub and the second tub comprises supplying water to the first tub for a first time period and supplying water to the second tub for a second time period that is different from the first time period.

6. The method of claim 1 , wherein alternately supplying water to the first tub and the second tub comprises supplying hot water and supplying cold water to both the first and second tubs.

7. The method of claim 6 , wherein one of supplying hot water or supplying cold water is conducted alone until a predetermined amount of hot water or cold water has been supplied, and wherein the other of supplying hot water or supplying cold water is then conducted.

8. The method of claim 6 , wherein supplying hot water and supplying cold water comprises alternately supplying hot and cold water.

9. The method of claim 6 , wherein supplying hot water and supplying cold water comprises simultaneously supplying hot and cold water.

10. The method of claim 9 , wherein, after simultaneously supplying hot water and cold water, the method further comprises stopping supplying one of the hot water or the cold water and continuing supplying the other of the hot water or the cold water.

11. The method of claim 6 , wherein supplying hot water and supplying cold water comprises initially supplying only one of hot water or cold water, and thereafter supplying hot water and cold water simultaneously.

12. The method of claim 11 , wherein, after simultaneously supplying hot water and cold water, the method further comprises supplying only the other of hot water or cold water.

13. A method of controlling both a first laundry treating device having a first tub into which laundry is loaded through a front side thereof, a second laundry treating device located below the first laundry treating device and having a drawer that is slideable forward with respect to the first laundry treating device, with a second tub provided in the drawer into which laundry is loaded from an upper side of the drawer, a capacity of the first tub being greater than a capacity of the second tub, and a single cabinet that defines an exterior of both the first and second laundry treating devices, the cabinet including a mover housing having the first laundry treating device mounted at an upper side thereof and the second laundry treating device received at a lower side thereof, the method comprising:

receiving a first operating command for operation of the first laundry treating device and supplying water only to the first tub in response to the receiving of the first operating command;

receiving a second operating command to initiate operation of the second laundry treating device while water is being supplied to the first tub in response to the receiving of the first operating command; and

stopping supplying water to the first tub and then supplying water only to the second tub in response to the receiving of the second operating command.

14. The method of claim 13 , wherein supplying water only to the second tub comprises:

supplying water to the second tub until a predetermined amount of water has been supplied to the second tub and then stopping supplying water to the second tub; and

resuming supplying water to the first tub.