HEIL CCA9 - Page 13

INSTALLATION INSTRUCTIONS R−410A Split System Air Conditioner
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Figure 9 Resistance vs Temperature Chart
0
10
20
30
40
50
60
70
80
90
0
(-17.77)
20
(-6.67)
40
(4.44)
60
(15.56)
80
(26.67)
100
(37.78)
120
(48.89)
TEMPERATURE °F (°C)
RESISTANCE (KOHMS)
THERMISTOR CURVE
Figure 10 Two−Stage Control Board