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23
Step 7 — Install Outside Air Hood (Factory-
Option)
The outside air hood for factory-option economizer and two-posi-
tion damper is shipped in knock-down form and requires field as-
sembly. The panel for the hood top is shipped on the end of the
unit (see Fig. 20). The remaining parts for the hood assembly (in-
cluding side panels, filters and tracks) are shipped in a carton that
is secured to the rear of the blower assembly. Access the carton lo-
cation through rear panel (see Fig. 21).
Fig. 20 — Hood Top — Shipping Position
Fig. 21 — Hood Package — Shipping Location
To remove the hood parts package:
1. Remove the back blower access panel.
2. Locate and cut the strap, being careful to not damage any
wiring.
3. Carefully lift the hood package carton through the back
blower access opening.
Fig. 22 — Hood Part Identification and Seal Strip
Application Areas
To assemble the outside air hood (see Fig. 22 for hood compo-
nent locations):
1. Remove hood top panel from shipping position on unit end.
2. Install filters supports (item #1) to the upper end panel using
the screws provided.
3. Install each deflector (item #8) on to each filter support (item
#1) using the screws provided.
4. Apply seal strip to mating flanges on side plates of hood
(items #4 and #5).
5. Secure side panels (items #4 and #5) to upper panel using the
screws provided.
6. Apply seal strip to mating flange of the hood (see Fig. 22).
7. Secure hood (item #3) to upper panel using the screws
provided.
8. Secure side retainers (item #6) to side panels (items #4 and
#5) using the screws provided, screwing from outside of the
hood.
9. Secure each central retainer (item #2) to the hood (item #3).
Then align central retainers to holes located on filter support
(item #1), so central retainer is perpendicular to hood and
each filter support. Secure using screws provided.
10. Apply seal strip to top diverters (item #7).
11. Secure top diverters (item #7) to hood (item #3).
12. Install outdoor air screens by sliding them into each of the
four spaces created by the hood, filter support and central
retainers. To do so, first insert the air screens into pocket cre-
ated at the end of hood (item #3), then fully put the air screen
into place, and then slide them back into pocket created in the
filter support (item #1). Repeat this for each air screen (see
Fig. 23). See Fig. 24 for completed hood assembly.
HOOD TOP
SHIPPING
POSITION
HOOD
PACKAGE
APPLY SEAL STRIP
TO THE FRONT OF
THIS FLANGE
APPLY SEAL STRIP
TO THE BACK
OF THIS FLANGE
APPLY SEAL STRIP
TO THE BACK
OF THIS FLANGE
APPLY SEAL STRIP
TO THE BACK
OF THIS FLANGE
7
7
3
5
6
8
8
2
8
6
4
2
1
2
ITEM #
DESCRIPTION
QTY
1
Filter Supports
3
2
Central Retainer
3
3
Hood Top
1
4
Left Hood Side
1
5
Right Hood Side
1
6
Side Retainer
2
7
Top Diverters
2
8
Deflector
3
Summary of Contents for 48TC D/E17 Series
Page 5: ...5 Fig 2 48TC 17 20 Vertical Airflow...
Page 6: ...6 Fig 3 48TC 17 20 Back View and Condensate Drain Location...
Page 7: ...7 Fig 4 48TC 17 20 Corner Weights and Clearances...
Page 8: ...8 Fig 5 48TC 17 20 Bottom View...
Page 9: ...9 Fig 6 48TC 24 28 Vertical Airflow...
Page 10: ...10 Fig 7 48TC 24 28 Back View and Condensate Drain Location...
Page 11: ...11 Fig 8 48TC 24 28 Corner Weights and Clearances...
Page 12: ...12 Fig 9 48TC 24 28 Bottom View...
Page 13: ...13 Fig 10 48TC 30 Vertical Airflow...
Page 14: ...14 Fig 11 48TC 30 Back View and Condensate Drain Location...
Page 15: ...15 Fig 12 48TC 30 Corner Weights and Clearances...
Page 16: ...16 Fig 13 48TC 30 Bottom View...
Page 19: ...19 Fig 16 Roof Curb Details 17 and 20 Size Units...
Page 20: ...20 Fig 17 Roof Curb Details 24 and 28 Size Units...
Page 21: ...21 Fig 18 Roof Curb Details 30 Size Units...
Page 47: ...47 Fig 52 PremierLink Wiring Diagram...
Page 48: ...48 Fig 53 PremierLink Wiring Diagram with Humidi MiZer System...
Page 49: ...49 Fig 54 Typical RTU Open System Control Wiring Diagram...
Page 50: ...50 Fig 55 Typical RTU Open System Control Wiring Diagram with Humidi MiZer System...
Page 51: ...51 Fig 56 48TC 17 30 Control Wiring Diagram...
Page 52: ...52 Fig 57 48TC 17 30 Power Wiring Diagram 208 230 3 60...
Page 53: ...53 Fig 58 48TC 17 30 Power Wiring Diagram 460 3 60...
Page 54: ...54 Fig 59 48TC 17 30 Power Wiring Diagram 575 3 60...
Page 55: ...55 Fig 60 48TC 17 30 Control Wiring Diagram with Humidi MiZer System...
Page 56: ...56 Fig 61 48TC 17 30 Power Wiring Diagram with Humidi MiZer System 208 230 3 60...
Page 57: ...57 Fig 62 48TC 17 30 Power Wiring Diagram with Humidi MiZer System 460 3 60...
Page 58: ...58 Fig 63 48TC 17 30 Power Wiring Diagram with Humidi MiZer System 575 3 60...