Manual# I27028 4-3 Rev. 2 – 11/22/2017
The reactivation air should come from outside of the conditioned space. There is no
point using dehumidified air for this purpose. The air at the reactivation outlet is very
damp and should be vented to a space where this is not a problem. Even though
this air is heated, it is too damp to use for most space heating purposes. Normally,
the reactivation air is taken directly from the outdoors, and the damp air is returned
outside. The reactivation air can also be taken from and returned to an indoor space
where the temperature and humidity levels are not important.
Figure 4-2
INSTALLATION IN PROTECTED SPACE
4.5 CONNECTING THE DUCTWORK
1. Ensure all shipping duct covers are removed from the openings on the unit to allow
proper airflow in the unit.
2. The general arrangement drawing shows the details of the duct connections. This
drawing is included with this manual and specifies the required space around the
machine. If an air inlet or outlet is operated without ductwork, allow a clearance of
at least 24".
3. The duct connections have been designed to accommodate layflat ductwork.
Connections are for 18” or 20” ductwork (depending on option purchased). Quick
release clips have been provided on all connections. The reactivation inlet on the
R10 and R15 units has a hinged access cover. This cover can be opened and fixed
in the open position if reactivation inlet ducting is not being used.
Process air OUT –
to process space
Process air IN –
from process space
Reactivation air IN –
from outdoors
Reactivation air OUT –
to outdoors
Optional makeup air –
from outdoors
OUTDOORS
PROTECTED SPACE
HUMIDISTAT
(option)
PROTECTED SPACE
PROCESS SPACE
(STORAGE AREA)
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