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4.6 Collector Sensor Placement
The collector sensor must be located on the hot
water return line as close to the collector as possible.
Sensors are typically accurate to +/- 1/2°F if properly
installed and weatherized. To maximize sensor
accuracy, attach the anged portion of the sensor to
the Rheem collector header pipe with a stainless steel
hose clamp. Wire nuts used to connect the sensor and
low voltage wiring shall be all plastic, sealed with
silicone and thoroughly wrapped in electrician’s tape.
The sensor "bundle" must be placed under the
rubber pipe insulation covering the collector header.
Thoroughly wrap and weatherize the insulation with
electrician’s tape or insulation tape as provided by
the manufacturer (Rubatex Insul-Tape or equal). See
Figure 13 for collector sensor installation detail.
4.7 Low Voltage Wiring
The low voltage wiring used to connect the sensors
to the controller should be a minimum18 AWG.
The wiring should be bare or tinned copper, two
conductor, PVC insulated, with a PVC UV rated gray
jacket suitable for exterior use. Use Eastman Wire &
Cable No. 5704, Belden Wire and Cable No. 8461 or
equal.
4.8 Installing the Solar Storage Tank and Expansion
Tank
In plumbing the solar storage tank and expansion tank
make sure that all the components are accessible and
fig.9
FLUSH MOUNTING