4
The PremierLink™ peer-to-peer, In-
ternet ready communicating control is
designed specifically for constant vol-
ume (CV) and variable volume and
temperature (VVT
®
) applications. This
comprehensive controls system allows
water source heat pumps to be linked
together to create a fully functional
HVAC (heating, ventilation, and air
conditioning) automation system.
Puron
®
refrigerant (R-410A)
Puron refrigerant (R-410A) is a non-
chlorine based refrigerant. Puron re-
frigerant characteristics, compared to
R-22, have:
• Binary and near azeotropic mixture
of 50% R-32 and 50% R-125.
• Higher efficiencies (50 to 60%
higher operating pressures).
• Non-ozone depleting potential and
low global warming potential.
• Virtually no glide. Unlike other alter-
native refrigerants, the two compo-
nents in Puron refrigerant have
virtually the same leak rates. There-
fore, refrigerant can be added if nec-
essary without recovering the
charge.
E-coated (electro-coated) air
coils
Carrier’s 50PEC units are available
with an optional e-coated air coil. This
electro-coating process will provide
years of protection against corrosion
from airborne chemicals. Modern
building materials, such as counter-
tops, floor coverings, paints and other
materials, can “outgas” chemicals into
the indoor air. Some of these chemi-
cals are suspected of contributing to
corrosion in the air coils found in both
traditional and geothermal heating and
cooling equipment. Corrosion often re-
sults in refrigerant leaks and eventual
failure of the air coil costing hundreds
of dollars to replace. Studies have also
shown that these air coil coatings im-
prove moisture shedding and therefore
improve a units moisture removal ca-
pability resulting in a more comfortable
indoor environment. The 50PEC units
assure both maximum air coil life and
comfort.
Features/Benefits (cont)
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