Daewoo DTB-F071LH-DVI Service Manual page 8

Outdoor temp: 35°CDB;
Equivalent ref. Piping: 8m(horizontal)
2. Nominal heating capacities are based on the following conditions:
Indoor temp: 20°CDB;
Outdoor temp: 7°CDB, 6°CWB;
Equivalent ref. Piping: 8m(horizontal)
8. Actual noise level may differ, depending on the room structure, etc, since these noise values are from an anechoic room.