Hatco Corporation
Booster Water Heater Presentation
34
Temperature Probe for Control Board
•
02.01.192.00
•
100 Ohm RTD (Resistance
Temperature Detector)
•
As temperature increases
resistance increases
•
Failed Sensor will Generate
“Temperature Probe Error”
on Display
•
Verify wire connections on
RTD temperature probe
•
Check resistance across probe
•
Test/Replace Sensor
COM
VmA
104
Testing the Temperature Probe
for Control Board
30
°
C
=
112
°C
103.90
10
107.79
20
111.67
30
115.54
40
119.40
50
123.24
60
127.07
70
130.89
80
134.70
90
138.50
100
112
