Maintenance And Cleaning; Obtaining Service For Digiair; Digiair Intake Air Filter - Amana PTAC Service Instructions Manual

SERVICING

MAINTENANCE AND CLEANING

Complete PTAC maintenance and cleaning instructions can
be found in IO-447*.
DigiAIR™ Intake Air Filter
To properly maintain the operational performance of your
DigiAIR™ Make-up air module, it is extremely important that
the inlet air filter be cleaned, at minimum, every 3 months
or more often if operated in dusty or dirty locations or con-
ditions. Dirty filters will dramatically reduce both the sup-
plied CFM of outside air as well as lower the dehumidifica-
tion of the air passing through the DigiAIR™ module. The
intake air filter is constructed of durable polypropylene, and
is designed to be permanent and washable.
Filters should be checked frequently after initial installa-
tion and operation and cleaned as required. This will assist
in establishing the proper time interval to maintain for fu-
ture scheduled cleaning.
Before cleaning the intake filter, turn off the power to the
entire PTAC unit and unplug the unit from the power recep-
tacle.
The following procedure is used to remove the intake filter:
1. Pull the PTAC unit out from the wall sleeve sufficiently
to allow access to the filter. See complete instructions
for removing and reinstalling the PTAC chassis from the
wall sleeve in IO-447*.
Vent Panel
Screw Hole
Figure 5
2. Grasp the filter by its molded handle, located on the
side of the kit (see Figures 1 & 2).
3. Pull the filter straight out from the side and remove.
NOTE: Spare filters are available and you can also replace
the existing filters with new ones and remove the dirty fil-
ters to a central location to thoroughly clean and have them
ready for the next filter check.
4. Clean filter with vacuum or with running water. Reverse
this procedure to reinstall the filter.
5. Also inspect and clean the vent door as needed to re-
move material that can restrict air flow into the DigiAIR
module. It is also recommended that the condensate
drainage is checked while the DigiAIR™ filter is being
cleaned or replaced. Make sure that water is properly
allowed to drain from the PTAC base pan and wall sleeve
or drainage system. Also, with the added condensate
volumes from the DigiAIR™ system, manufactured ap-
proved time released algaecide pads should be consid-
ered to keep the water flowing properly.
6. Reinstall the PTAC chassis into the wall sleeve. Rein-
state power to the PTAC and make sure that the DigiAIR™
power switch is in the on position.
7. While the R410A PTAC is not actively conditioning the
air and the PTAC fan(s) are in the off position, check to
make sure that air is flowing through the DigiAIR™ mod-
ule into and through the PTAC into the room.

OBTAINING SERVICE FOR DigiAIR™

In the event this unit requires repair or servicing beyond
what is covered in this manual, contact an authorized ser-
vice organization.
To obtain an authorized servicer, contact your sales represen-
tative or agency.
POWER CORD
1. Remove the unit front by tilting the bottom of the front
outward and then lift the front straight up.
2. Remove the control knobs on the control panel cover by
pulling upward on the knobs. Remove the escutcheon.
3. Remove the control panel cover by removing the two
screws holding the control panel cover. Tilt the control
panel forward to gain access to the wires.
4. Remove the power cord clamp located near the bottom
right of the chassis.
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