How the DRY-O-TRON
®
Works
In the natatorium, there is a
vapor pressure difference
between the pool water and the
enclosure air. This produces
continuous evaporation of pool
water, resulting in high humidity
conditions and a steady drop in
pool water temperature if left
uncontrolled. The high humidity
can result in serious building
decay, and the pool water
requires virtually continuous
heating.
An earlier practice called for
exhausting the humid air, replac-
ing it with outdoor air which had to
be heated to room temperature.
In addition, a full size pool heater
was required to maintain pool
water temperature. This
procedure was costly and wasted
energy as well.
The heat lost by the pool when
evaporation takes place is
actually “trapped” by the moisture
in the air. A DRY-O-TRON
®
unit is
engineered to capture this
trapped energy, and to recycle it
back to the pool where it came
from! This energy recycling can
save up to 80% of the cost of
heating your pool by earlier
methods. Now you can protect
your investment from humidity
damage, provide a comfortable
environment for bathing, and
save money at the same time!
You can also feel good about
making your contribution to the
environment by using recycled
energy.
The DRY-O-TRON
®
dehumidifiers have been
specifically designed to offer a
complete solution for natatorium
environment control. In
DRY-O-TRON
®
units, cooling is
used to produce from moist air:
ΔΔ
Comfortable, dry supply air
ΔΔ
Total heating requirement for
pool water
ΔΔ
Condensate (returned to the
pool if desired, reducing make-
up water requirements.)
The energy cycle of this process
has an efficiency of 100% since
all moisture or latent heat is con-
verted into sensible heat for
recycling. The electrical energy
required to operate the system is
also converted into sensible heat
and contributes to space heating.
In the DRY-O-TRON
®
, warm
humid air passes through the
dehumidifying coil and is cooled
below its dew point, thereby con-
densing moisture. The heat cap-
tured by this process is combined
with the heat generated from the
compressor power consumption.
This recovered heat is then avail-
able for recycling. The DRY-O-
TRON
®
is the only system on the
market which can simultaneously
and continuously recycle this
recovered energy into:
ΔΔ
Heating the supply air. The
leaving supply air dry bulb
temperature is always the
same or higher than the
entering return air (except
during cold pool water start-up
and when the air-conditioning
option is in use).
A built-in automatic compen-
sation system permits unit startup
regardless of water temperatures.
During initial start-up with low
pool water temperature, all avail-
able heat is directed to the pool
water. Once the desired tempera-
ture is reached, the water heating
system adjusts its output auto-
matically.
The DRY-O-TRON
®
’s capability
of simultaneously and continu-
ously recycling heat to air and
water ensures a more stable
natatorium environment.
DRY-O-TRON
®
units are avail-
able in a number of configura-
tions which will easily accept the
introduction of controlled quanti-
ties of outdoor air. DRY-O-TRON
®
models DS 40 and larger are
equipped with a standard make-
up air intake which will allow up to
15% outdoor air.
Dectron, Inc. March 2012
DSH/DSV/RSH/DBH/RBH Series Dehumidifier Owner’s Manual
Product Description
Data subject to change without notice.
8
DESCRIPTION
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