Proheat X45–School Bus - Manual (Page 79)

PROHEAT INSTALLATION & SERVICE 5-22
Figure 5-20 Coolant Temperature Sensor Graph
400 600 800 1000 1200 1400 1600 1800 2000 2200
-60˚
-50˚
-40˚
-30˚
-20˚
-10˚
0˚
10˚
20˚
30˚
40˚
50˚
60˚
70˚
80˚
90˚
100˚
110˚
120˚
130˚
140˚
150˚
T
e
m
p
e
ra
tu
re
C
e
n
tig
ra
d
e
(°
C
)
T
e
m
p
e
ra
tu
re
F
a
re
n
h
e
it
(°
F
)
Code
07
Code
07
-70˚
-40˚
-10˚
20˚
50˚
80˚
110˚
140˚
170˚
200˚
230˚
260˚
290˚
Resistance Ohms ( )
1354 65˚ C (150˚ F) LOWER SET POINT
VALID TEMPERATURE SENSOR RANGE
1541 85˚ C (185˚ F) UPPER SET POINT
2023 130˚ C (266˚ F) OUT OF RANGE (UPPER LIMIT)
515 -50˚ C (-58˚ F) OUT OF RANGE (LOWER LIMIT)
NOTE: Room temperature 70˚F (20˚C) Resistance 950
Ω
Boiling water 212˚F (100˚C) Resistance 1700 Ω