A D.C. Superior Court jury yesterday convicted a 19-year-old Washington woman of involuntary manslughter in connection with the death last August of her 3-year-old daughter.

The jury of six men and six women found the woman, Carmelita M. Pitts, guilty after six hours of deliberation. Pitts lives at 1111 D St. NE.

According to Assistant U.S. Attorney James M. Hanny, Pitts testified tha she beat the child, Carleen Robinson, with a belt after the child wet her bed at about 10 p.m. on Aug. 14.

She testified she then bathed the child and that the child then appeared faint so she immersed her in hot water for 10 or 15 minutes in an attempt to revive her, the prosecutor said.

Pitts testifed she then tried to care for the child until about 4 a.m. but called an ambulance when her daughter lapsed into a coma, Hanny said. He said the child was dead when ambulance technicians arrived.

A medical examiner testified tha an autopsy showed multiple contusions and bruises on the child's face, head and thighs and third degree burns over 60 percent of her body, Hanny said.

Pitt's codefendant, Klevin T. Stover, who lived at the D Street address pleaded guilty last week to involuntary manslaughter in connection wth the death of Pitts' daughter Hanny said. Pitts and Stover were married three days after the child's death, according to a marriage certificate intorudced during the trial, he said.

Judge Robert H. Campbell, who presided at the trial, scheduled sentencing for Pitts for April 7. She faces a maximum of 15 years in jail on the manslaughter conviction, according to the U.S. attorney's office.