Owner’s Manual – Dux Electric Boosted Solar
12
H3161 025248 Rev. D
Connections To The Collectors
Supplied with the water heater are the
following:
• an Automatic Air Vent Valve
• a 4 way union assembly.
Full installation instructions for these
items are in the Installer’s Guide,
included inside the water heater’s carton.
4 way union
assembly
Automatic Air
Vent Valve
Non Return Valve
A non return valve is supplied with this
water heater.
The non return valve must be tted at
the solar collector return pipe, where the
pipe enters the middle of the storage
tank.
Ensure the non return valve is installed
so that the ow direction arrow faces the
storage tank.
All pipe work must be insulated.
Insulation
Pipes must be insulated with UV
stabilized insulation suitable for solar
working temperatures, e.g. Armaex
DuoSolar/Solar insulation.
No Plastic Fittings
Only DR brass and copper pipes and
ttings must be used. Plastic ttings and
PVC pipes are not able to withstand
the high temperatures >200ºC that the
system can create.
Failure to use ttings with a high
temperature rating will void the warranty.
Plumbing Connections to
Collectors
RELIANCE
FLOW
Flow Direction Arrow
Storage tank
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