Zehnder ZBN Ceiling Heating and Cooling System Technical ...

t HVL °C 120 115 110 105 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 t HVL °C
t HRL °C t i °C t i °C t HRL °C
65
60
55
50
45
40
35
30
25
20
10 82.5 80.0 77.5 75.0 72.5 70.0 67.5 65.0 62.5 60.0 57.5 - - - - - - - - - 10
12 80.5 78.0 75.5 73.0 70.5 68.0 65.5 63.0 60.5 58.0 55.5 - - - - - - - - - 12
15 77.5 75.0 72.5 70.0 67.5 65.0 62.5 60.0 57.5 55.0 52.5 - - - - - - - - - 15
18 74.5 72.0 69.5 67.0 64.5 62.0 59.5 57.0 54.5 52.0 49.5 - - - - - - - - - 18
20 72.5 70.0 67.5 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 - - - - - - - - - 20
10 80.0 77.5 75.0 72.5 70.0 67.5 65.0 62.5 60.0 57.5 55.0 52.5 - - - - - - - - 10
12 78.0 75.5 73.0 70.5 68.0 65.5 63.0 60.5 58.0 55.5 53.0 50.5 - - - - - - - - 12
15 75.0 72.5 70.0 67.5 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 - - - - - - - - 15
18 72.0 69.5 67.0 64.5 62.0 59.5 57.0 54.5 52.0 49.5 47.0 44.5 - - - - - - - - 18
20 70.0 67.5 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 - - - - - - - - 20
10 77.5 75.0 72.5 70.0 67.5 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 - - - - - - - 10
12 75.5 73.0 70.5 68.0 65.5 63.0 60.5 58.0 55.5 53.0 50.5 48.0 45.5 - - - - - - - 12
15 72.5 70.0 67.5 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 - - - - - - - 15
18 69.5 67.0 64.5 62.0 59.5 57.0 54.5 52.0 49.5 47.0 44.5 42.0 39.5 - - - - - - - 18
20 67.5 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 - - - - - - - 20
10 75.0 72.5 70.0 67.5 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 - - - - - - 10
12 73.0 70.5 68.0 65.5 63.0 60.5 58.0 55.5 53.0 50.5 48.0 45.5 43.0 40.5 - - - - - - 12
15 70.0 67.5 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 - - - - - - 15
18 67.0 64.5 62.0 59.5 57.0 54.5 52.0 49.5 47.0 44.5 42.0 39.5 37.0 34.5 - - - - - - 18
20 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 - - - - - - 20
10 72.5 70.0 67.5 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 - - - - - 10
12 70.5 68.0 65.5 63.0 60.5 58.0 55.5 53.0 50.5 48.0 45.5 43.0 40.5 38.0 35.5 - - - - - 12
15 67.5 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 - - - - - 15
18 64.5 62.0 59.5 57.0 54.5 52.0 49.5 47.0 44.5 42.0 39.5 37.0 34.5 32.0 29.5 - - - - - 18
20 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 - - - - - 20
10 70.0 67.5 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 - - - - 10
12 68.0 65.5 63.0 60.5 58.0 55.5 53.0 50.5 48.0 45.5 43.0 40.5 38.0 35.5 33.0 30.5 - - - - 12
15 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 - - - - 15
18 62.0 59.5 57.0 54.5 52.0 49.5 47.0 44.5 42.0 39.5 37.0 34.5 32.0 29.5 27.0 24.5 - - - - 18
20 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 - - - - 20
10 67.5 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 - - - 10
12 65.5 63.0 60.5 58.0 55.5 53.0 50.5 48.0 45.5 43.0 40.5 38.0 35.5 33.0 30.5 28.0 25.5 - - - 12
15 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 - - - 15
18 59.5 57.0 54.5 52.0 49.5 47.0 44.5 42.0 39.5 37.0 34.5 32.0 29.5 27.0 24.5 22.0 19.5 - - - 18
20 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 20.0 17.5 - - - 20
10 65.0 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 - - 10
12 63.0 60.5 58.0 55.5 53.0 50.5 48.0 45.5 43.0 40.5 38.0 35.5 33.0 30.5 28.0 25.5 23.0 20.5 - - 12
15 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 20.0 17.5 - - 15
18 57.0 54.5 52.0 49.5 47.0 44.5 42.0 39.5 37.0 34.5 32.0 29.5 27.0 24.5 22.0 19.5 17.0 14.5 - - 18
20 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 20.0 17.5 15.0 12.5 - - 20
10 62.5 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 20.0 17.5 - 10
12 60.5 58.0 55.5 53.0 50.5 48.0 45.5 43.0 40.5 38.0 35.5 33.0 30.5 28.0 25.5 23.0 20.5 18.0 15.5 - 12
15 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 20.0 17.5 15.0 12.5 - 15
18 54.5 52.0 49.5 47.0 44.5 42.0 39.5 37.0 34.5 32.0 29.5 27.0 24.5 22.0 19.5 17.0 14.5 12.0 9.5 - 18
20 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 20.0 17.5 15.0 12.5 10.0 7.5 - 20
10 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 20.0 17.5 15.0 12.5 10
12 58.0 55.5 53.0 50.5 48.0 45.5 43.0 40.5 38.0 35.5 33.0 30.5 28.0 25.5 23.0 20.5 18.0 15.5 13.0 10.5 12
15 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 20.0 17.5 15.0 12.5 10.0 7.5 15
18 52.0 49.5 47.0 44.5 42.0 39.5 37.0 34.5 32.0 29.5 27.0 24.5 22.0 19.5 17.0 14.5 12.0 9.5 7.0 4.5 18
20 - - - - - - - - - - - - - - - - - - - - 20
t HRL °C t i °C t i °C t HRL °C
t HVL °C 120 115 110 105 100 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 t HVL °C
65
60
55
50
45
40
35
30
25
20
Technical Data 37