Quantcast Collector Sensor

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At the mechanical room, use the ohmmeter to confirm that the collector loop piping
is connected to ground. If it is not, hose clamp another section of copper wire to the
collector return line. Run this over to a mechanical ground, usually the same one
used for the building electrical system.
Remember that the surface of anodized or painted aluminum does not conduct
electricity. Anodized aluminum may not appear to have any coating.
Collector Sensor
Three important things to remember about replacing the collector sensor are:
o
Keep the sensor close to the absorber for more accuracy
o
Insulate the sensor for more accuracy
o
Protect the sensor from weather and mechanical stress
Install the differential thermostat's "collector" sensor at the collector outlet header.
One acceptable method is to push the "tongue" of the sensor under the grommet of
the outlet pipe.  Use a stainless steel hose clamp to secure the sensor
(Figure 5-1 0). Do not overtighten the clamp!
FIGURE 5-10
Collector Sensor
Installation
REPAIR
5.2 REPAIR PROCEDURES
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