48TC**16
Economizer Hood and Two-Position Hood —
NOTE: If the power exhaust accessory is to be installed on the unit, the hood shipped with the unit will not be used and must be discarded. Save the aluminum filter for use in the power exhaust hood assembly.
1.The indoor coil access panel will be used as the top of the hood. If the panel is still attached to the unit, re- move the screws along the sides and bottom of the panel. See Fig. 12.
SIDE
PANEL
RAIN DEFLECTORS
| TOP |
| PANEL |
| CAULK |
| HERE |
INDOOR | INDOOR |
COIL | COIL |
ACCESS | ACCESS |
PANEL | PANEL |
C10007
Fig. 12 - Indoor Coil Access Panel Relocation
2.Swing out indoor coil access panel and insert the hood sides under the panel (hood top). Be careful not to lift the panel too far as it might fall out. Use the screws provided to attach the hood sides to the hood top. Use screws provided to attach the hood sides to the unit. See Fig. 13.
TOP
PANEL
INDOOR COIL
ACCESS PANEL
SCREW
LEFT
HOOD
SIDE
HOOD DIVIDER
C10008
Fig. 13 - Economizer Hood Construction
3.Remove the shipping tape holding the economizer barometric relief damper in place.
4.Insert the hood divider between the hood sides. See Figs. 13 and 14. Secure hood divider with 3 screws on each hood side. The hood divider is also used as the bottom filter rack for the aluminum filter.
5.Attach the post that separates the filters with the screws provided.
6.Open the filter clips which are located underneath the hood top. Insert the aluminum filters into the bottom filter rack (hood divider). Push the filter into position past the open filter clips. Close the filter clips to lock the filters into place. See Fig. 14.
7.Install the two rain deflectors on the edge of the hood top as shown in Fig. 12.
DIVIDER
OUTSIDE
AIR
HOOD
CLEANABLE
ALUMINUM
FILTER
BAROMETRICFILTER 
RELIEFFILTER CLIP
C10009
Fig. 14 - Economizer Filter Installation
8.Caulk the ends of the joint between the unit top panel and the hood top as shown in Fig. 12.
9.Replace the filter access panel.
Step 9 — Install Flue Hood
The flue hood is shipped screwed to the basepan beside the burner compartment access panel. Remove the panel below the control box access panel to access the flue hood shipping location. Using screws provided, install flue hood and screen in location shown in Fig. 15.
CONTROL BOX
ACCESS PANEL
FLUE
HOOD
C10804
Fig. 15 - Flue Hood Details
10
