Rheem RS120-64BP Use & Care Manual page 22

fig.16
this by setting the manual switch within the controller
The sensor "bundle" must be placed under the
to the "on" position. Run the pump for a full five
rubber pipe insulation covering the collector
minutes and carefully check to ensure there is proper
header. Thoroughly wrap and weatherize the
fluid flow and that all the air has been purged from
insulation with electrician's tape or insulation
the solar collector glycol loop. An inexpensive flow
tape as provided by the manufacturer (Rubatex
meter such as manufactured by Blue White Industries
Insul-Tape or equal). See Figure 13 for collector
or Letro is recommended as an optional system
sensor installation detail.
22
4.7 Low Voltage Wiring
The low voltage wiring used to connect the sen-
SINGLE TANK SYSTEM SCHEMATIC
component. A flow meter allows you to monitor and
sors to the controller should be a minimum18
adjust the flow rate through the piping and also to
AWG. The wiring should be bare or tinned cop-
visually inspect the HTF fluid quality.
per, two conductor, PVC insulated, with a PVC
UV rated gray jacket suitable for exterior use.
Set the controller to the "off" position and proceed to
Use Eastman Wire & Cable No. 5704, Belden
the next step.
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