• Boiler flow water temperature thermistor (THWB1)
• Mixing tank temperature thermistor (THW10)
0
10
20
30
40
50
-20 -10 0
10 20 30 40 50
Temperature (
:
)
Resistance (k
"
)
<Thermistor Characteristics Charts>
• Room temperature thermistor (TH1)
• Liquid refrigerant temperature thermistor (TH2)
• Flow water temperature thermistor (THW1)
• Return water temperature thermistor (THW2)
• DHW tank temperature thermistor (THW5)
• Zone1 flow water temperature thermistor (THW6)
• Zone1 return water temperature thermistor (THW7)
• Zone2 flow water temperature thermistor (THW8)
• Zone2 return water temperature thermistor (THW9)
0°C
15 kΩ
10°C
9.6 kΩ
20°C
6.3 kΩ
25°C
5.2 kΩ
30°C
4.3 kΩ
40°C
3.0 kΩ
Thermistor R0 = 15kΩ
± 3%
B constant = 3480 ± 2%
Rt = 15exp {3480 (
273+t – 273 )}
1
1
0
100
200
300
400
500
600
700
800
900
1000
-30 -20 -10 0
10 20 30 40 50 60 70 80
Temperature (°C)
Resistance (kΩ)
0°C
162.8 kΩ
10°C
97.4 kΩ
20°C
60.3 kΩ
25°C
48.1 kΩ
30°C
38.6 kΩ
40°C
25.4 kΩ
50°C
17.1 kΩ
60°C
11.9 kΩ
70°C
8.4 kΩ
80°C
6.0 kΩ
Thermistor R100 = 3.3kΩ ± 2%
B constant = 3970 ± 1%
Rt = 3.3exp {3970 (
273+t – 273 )}
1
1
70
OCH714D
