Riello ALUDOMUS SOLAR KV/200 20 ISC SOLAR Installation And Maintenance Manual page 61
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Compound outdoor temperature is calculated from ef-
fective outdoor temperature and attenuated outdoor
temperature. It is calculated at 10 minute intervals on
Attenuated outdoor temperature
°C
17
16
15
14
13
1
8
0 :
0
0
6
0 :
0
Type of building selected
Heavy duty (parameter 558-b1=1)
Light duty (parameter 558-b1=0)
Compound outdoor temperature acts as a compensa-
ting variable in CH flow temperature control, and is lin-
Compound outdoor temperature
°C
17
16
15
14
13
1
8
0 :
0
Te
Outdoor temperature
Tea
Attenuated outdoor temperature
Tec0
Compound outdoor temperature for heavy duty buildings
Tec1
Compound outdoor temperature for light duty buildings
Te
Tea
18:00
0
6
0 :
0
Tec1
Tec0
Tea
0
6
0 :
0
18:00
61
the basis of effective outdoor temperature and directly
determines Summer/Winter mode switching (par. 516).
Te
Outdoor temperature
Tea
Attenuated outdoor temperature
1
8
0 :
0
t
Compound outdoor temperature
Tec = 1/2Te + 1/2Tea
Tec = 3/4Te + 1/4Tea
ked to prevailing meteorological conditions.
Te
0
6
0 :
0
1
8
THECNICAL ASSISTANCE SERVICE
t
0 :
0
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