Figure 88: Bead-in-Glass Thermistor
Figure 89: Bead-in-Glass Thermistor Probe
Wiring
1.
a.
b.
COM.
2.
a.
Outdoor air monitor controller settings
1.
2.
(see
1.
2. Set AR1 (see
3.
4.
5. Set FSI (see
Table 35: Settings by Cabinet Size
Model Unit Size
Area sq.ft.
(AR1)
(FS1)
2.25
4.5
Thermistor material
designed for self-heat
applications is fused
to dumet wire leads
Dumet wire ensures
hermetically sealed
glass encapsulation
Kynar
®
coated wires are
welded to dumet leads
Thermistor aging
process ensures
long term stability
Waterproof potting
compound protects
assembly from the
environment
Zero Power Thermistor
Approaching
Airstream
Self-heated Thermistor
Heat transferred to
the airstream is
proportional to the
airflow rate
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