ENERGY KINETICS Smart Solar EWRA1, Руководство по установке, Страница: 21 / 56

EnerWorks Solar Water Heating Appliance
© 2011 EnerWorks Inc. - Page
21 -
Energy Kinetics Inc. / Installation
Manual
above back flush valve. Damage to back flush valve during installation may prevent
proper operation of system and is not covered by warranty.
9. On floor or on workbench, fit lower section of vertical thermosiphon riser together with union
coupling half and lower ¾” MNPT x ½” sweat fitting. Solder thermosiphon assembly with
lead-free solder using appropriate plumbing techniques and standards. Potable water
connections may have to be completed by a licensed plumber – check local codes.
10. Fit upper section of thermosiphon riser with angled and horizontal sections of thermosiphon
loop using union coupling half, both 45°-elbow x ½” sweat fittings and ¾” MNPT x ½” sweat
fitting. Solder with lead-free solder and using appropriate plumbing techniques and
standards.
11. Install ½”ID x 3/8” wall refrigeration insulation to length and slide it onto upper and lower
sections of thermosiphon loop. This can be purchased with the Energy Station Thermosiphon
installation Kit (EPTK).
Thermosiphon loop must be insulated. If thermosiphon loop is not insulated,
exposed pipes will lose heat to surroundings. Water in thermosiphon will cool and
sink, drawing more hot water out of insulated storage tank. A “reverse”
thermosiphon effect will occur during times of low solar radiation, transferring heat
from hot water tank to surrounding room. Benefit of solar will be lost and air-
conditioning may have to compensate for added heat.
12. Apply thread sealant or Teflon tape to threads of thermosiphon ¾” MNPT fittings. Thread
thermosiphon riser into top port of upper manifold and tighten. Thread horizontal section of
thermosiphon loop into ¾” FIP brass tee and tighten so union coupling can be joined.
13. Using two wrenches join union coupling to complete thermosiphon loop.
14. Remove thermometer from ¾” sweat thermometer well
(
Fig.4.3.3
). Fit well to middle port of ¾” sweat tee. Fit ¾”
MNPT x ¾” sweat fitting to ¾” sweat tee with a short section
(about 1”) of ¾” rigid copper pipe. Solder with lead-free
solder and using appropriate plumbing techniques and
standards.
15. Apply thread sealant or Teflon tape to ¾” MNPT threads of
thermometer well assembly. Thread assembly into
remaining port of ¾” FIP tee at top of tank such that
thermometer will be visible when installed in well. Do not
install thermometer until all soldered fittings are complete
and thermometer well is cool.
16. Hot outlet of solar storage tank (remaining port of ¾” sweat tee) is to be fitted to cold inlet of
existing water heater. ¾” copper pipe may be used or install supplied ¾” x ½” sweat reducer
to use ½” copper pipe (
Fig.4.4.3
).
Fig.4.3.3 – Remove thermometer
from well