STEP 3 (continued)
5.
Reconnect power and check operation. Insure the
unit is in duct mode. To do this, turn unit off. Press
the red “AUX” button and press “mode” button
repeatedly until mode 7 appears. Press ‘+’ button
to enable. Press “AUX” button again to confirm
selection.
6.
Reinstall the room cabinet front by hooking the top
over the rail along the chassis top. Push it in at the
bottom.
7.
Remove the air filters from room cabinet front.
8.
Slide the transition duct into place under the
adapter and secure it with the two thumb screws.
STEP 4
Installing new baffle
1.
Remove and keep the four screws holding the top
outlet grill of duct work
2.
Remove outlet grill and black baffle plate.
3.
Install new damper under grille on top of lateral
duct adapter for 70% air discharge into primary
room (room which the unit is installed) and 30%
discharge into secondary (adjacent) room. By not
installing the new damper, air distribution will be
80% Primary room and 20% secondary room. To
install the new damper, place damper centered in
the exist grille such that the flange on damper lays
inside the grille flange. Place grille over the hole
in the duct adapter, ensuring the damper does not
fall out of place and secure with the four screws
removed in step 1.
STEP 5
Removal of the chassis from the
case for service
NOTE:
If it becomes necessary to remove the chassis
from the case, the following procedure should be
performed.
1.
Remove the two thumb screws securing the
transition duct to the bottom of the lateral duct
adapter.
2.
Carefully slide the transition duct forward to remove
it from the chassis.
3.
Remove the room cabinet front.
4.
Remove the chassis from the case for service.
Air Filters
Transition duct
Transition duct
STEP 3 (continued)
9.
Reinstall air filters into unit.
Air Filters
3
