Outdoor Air Hood Assembly; Standard Intake Hood W/Bird Screen Assembly - LG AR-DR11-08A Installation And Operation Manual

Rooftop dedicated outdoor air systems doas 650 to 12,000 cfm
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Outdoor Air Hood Assembly

Each unit comes with a factory-supplied outdoor air intake hood that must be assembled prior to startup. The outdoor air intake hood is
available in two options:
• Standard hood with bird screen.
The individual parts of the intake hood are located between the outdoor air intake damper and the intake hood top piece (Item No. 6 for AR-
DR and AR-DE 11-XX, 21-XX, 31-XX chassis; Items Nos. 7 and 8 for AR-DR and AR-DE 35-XX chassis), which is secured flush with the end
of the unit during shipment. The 1" aluminum filters are located in the intake compartment behind the outdoor air intake damper. The outdoor
air intake end of the unit is opposite access to controls and compressors.
Tools Needed
1. Power tool with 5/16" socket
drive
Standard Intake Hood with Bird Screen Assembly
Figure 11: Standard Intake Hood with Bird Screen Assembly Parts Diagram.
Table 9: Standard Intake Hood with Bird Screen Parts Description Table.
Item
Description
No.
2*
Screen Side Support
3
Hood End
4
Screen Center Support
5
Screen Support Flashing
6
Hood Top-A
7
Hood Top-B
8
Hood Top-C
9
Right Side Triangle
10
Left Side Triangle
11
Bottom Flashing
15
Framed
Dimensions
Bird Screen
Part No. / Qty.
The sheet metal screws are included with the hood parts.
OUTDOOR AIR HOOD ASSEMBLY
Standard Intake Hood with Bird Screen Assembly
2. Phillips power bit No. 2.
For AR-DR / AR-DE
For AR-DR / AR-DE
11-XX Chassis
21-XX Chassis
2501 (2)
2506 (2)
2502 (1)
2507 (1)
2503 (1)
2508 (1)
2504 (1)
2509 (1)
2500 (1)
2505 (1)
N / A
N / A
1317 (1)
4087 (1)
1318 (1)
4088 (1)
1229 (1)
4297 (1)
25.50 x 45.50 in.
28.00 x 57.75 in.
1009801 (1)
1009802 (1)
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
• Hood with optional 1" aluminum filters.
3. Sheet metal bending hand
tool.
Part Number (Quantity)
For AR-DR / AR-DE
31-XX Chassis
2511 (2)
2512 (1)
2513 (1)
2514 (1)
2510 (1)
N / A
N / A
N / A
N / A
8087 (1)
8088 (1)
8297 (1)
39.38 x 64.63 in.
1009803 (1)
4. Silicone caulk.
For AR-DE 35-XX
For AR-DR 35-XX
Chassis
Chassis
2035 (2)
4615 (2)
2038 (1)
4619 (1)
2036 (3)
4894 (3)
2498 (3)
4895 (3)
N/A
N/A
2032 (1)
4612 (1)
2037 (1)
4616 (1)
2033 (1)
4613 (1)
2034 (1)
4614 (1)
2039 (1)
4617 (1)
46.50 x 52.75 in.
46.50 x 57.75 in.
1009804 (2)
1015153 (2)
23

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