Munters R Series User Manual

Manual# I27028 3-1 Rev. 2 – 11/22/2017
3 - PRINCIPLES OF OPERATION
3.1 DEHUMIDIFIER OPERATING PRINCIPLE
Figure 3-1 shows how the R-Series unit removes moisture from the air. The “heart” of
the system is the HoneyCombe
®
wheel. The detail in Figure 3-1 shows how this wheel
is made. The wheel has a series of air passages or channels arranged in a
honeycomb pattern. Air can be forced through these channels in either direction.
The passages inside the wheel are impregnated with a special substance called a
“desiccant.” When this substance comes into contact with damp air, it soaks up moisture.
When the desiccant is heated, it releases the moisture. Figure 3-2 shows how this
principle is used in the R-Series unit. An example is using the R-Series unit to dry the air
in a storage room. Damp “process” air is pulled into the unit from the storage room. This
air is drawn through the channels in the HoneyCombe
®
wheel, as shown in the detail.
The desiccant picks up most of the moisture in the air. Once it has been “dried out,” the
process air is ducted back into the storage room. At this point, the moisture has been
taken out of the process air, and “stored” in the HoneyCombe
®
wheel.
The moisture then needs to be removed from the wheel. As previously mentioned, the
desiccant will give up moisture when it is heated. Hot air can hold a large amount of
moisture. When hot air reaches the desiccant, the moisture is released and the
desiccant is “reactivated.” In the R-Series unit, a stream of “reactivation” air is typically
taken from the outdoors and heated. The normal temperature range of the reactivation
air is from 120° to 300°F. Heat input is provided by either the electric heating elements
or the direct fired gas heater.
The heated air is pulled through the channels in the HoneyCombe
®
wheel. The desiccant
releases the moisture into the heated air stream. Finally, the damp reactivation air is
vented outside. At this point, the moisture has been moved from the storage room to the
wheel, then from the wheel into the outside air. The process continues until the R-Series
unit is turned off.
Figure 3-1
DESICCANT DEHUMIDIFIER OPERATING PRINCIPLE
Full contact
to
tw
o
Reactivation
air outlet
(moist)
air
air
(dry
Process
secto
r
air
Detail of
HoneyCombe
®
wheel
Desiccant
wheel

Munters R Series Specifications

General

Brand	Munters
Model	R Series
Category	Dehumidifier
Language	English