Step 8 - Install Outside Air Hood - Carrier 50TCQD Installation Instructions Manual

Step 8 — Install Outside Air Hood
Economizer and Two Position Hood Removal - -
Factory Option
4. The hood is shipped in knock- - down form and is
located in the indoor air compartment. The hood is
strapped to the blower assembly. (See Fig. 10)
Hood
Package
Fig. 10 - - Hood Package - - Shipping Location
5. To gain access to the hood, remove the back blower
access panel.
6. Locate and cut the strap, being careful to not
damage any wiring.
7. Carefully lift the hood assembly through the back
blower access opening and assemble per the steps
outlined in the following procedure.
Two Position Damper and Economizer Hood Installation
- - Factory Option
1. Remove hood top from shipping position. (See
Fig. 11)
Hood Top
Shipping
Position
Fig. 11 - - Hood Top – Shipping Position
See Fig. 12 for identification of the various parts of
the hood assembly.
2. Install four angles to the upper end panel using the
screws provided
3. Apply seal strip to mating flanges on the side plates
of the hood (see Fig. 12).
Apply Seal Strip
to the front of
this flange
Apply Seal Strips
to the back of
these flanges
2
5
Seal Strips
Fig. 12 - - Hood Part Identification and Seal Strip
4. Secure side plates to panel using the screws provided.
5. Apply seal strip to mating flange of the hood (see
Fig. 12).
6. On size 17, 20 and 24 units, remove screws across top
C09150
cover. Attach hood to side plates. (On these units the
hood flange slides behind flange of top cover.)
7. On size 17, 20 and 24 units, secure the top flange
using the screws removed in step 6. On size 28 units,
secure top flange using screws provided in kit.
8. Install outdoor air screens by sliding them into the
channel formed by the four angles installed in step 2.
Make sure that the screens extend a across the entire
length of the hood.
9. Install side filter supports using the screws provided
10. Install side drip angles using the screws provided.
11. Run a continuous length of seal strip across the hood
covering the engagement holes in the lower hood.
12. Install top diverter using the screws provided.
13. On units with barometric relief, remove screws at bot-
tom of relief damper. Do not discard damper door.
C09134
Fig. 13 - - Hood Assembly – Completed
12
Apply Seal Strips
3
to the back of
these surfaces
7
7
4
4
4
1
6
Item # Description Qty
1 Angles 4
2 Side Plates 2
3 Hood 1
4 Outdoor Air Screens 4
5 Side Filter Supports 2
6 Side Drip Angles 2
7 Top Diverters 2
Application Areas
Apply Seal Strip
to the front of
this flange
2
4
5
6
Apply Seal Strip
to the back of
this flange
C09079
C09090