LG GEN2 Series Installation And Operation Manual page 60

Rooftop dedicated outdoor air systems
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Routine Maintenance
*Based upon a 30/36 in. energy wheel (16x25x2, quantity of 3 for 41 in. energy wheel)
**Based upon a 52 in. energy wheel (16x16x2, quantity of 8 for 58 in. energy wheel)
Model
(Aluminum Mesh)
AR-DR12
AR-DR22
AR-DR311
AR-DR311^
AR-DR35
(30, 40 tons)
AR-DR35
(50, 60, 70 tons)
AR-DE12
AR-DE22
AR-DE32
AR-DE35
(30, 40 tons)
AR-DE35
(50, 60, 70 tons)
*Based upon a 30/36 in. energy wheel (16x25x2, quantity of 3 for 41 in. energy wheel)
**Based upon a 52 in. energy wheel (16x16x2, quantity of 8 for 58 in. energy wheel)
Outdoor Air
Weatherhood
Pre-Wheel Outdoor
(1) 16x20x1
(4) 20x20x2
(4) 25x25x2
(8) 16x20x2
(8) 20x25x1
(8) 20x25x1
(4) 20x20x2
(2*) 20x25x2
(4) 25x25x2
(4**) 16x25x2
(12) 16x20x2
(9) 20x24x2 +
(8) 20x25x1
(9) 20x24x2 +
(8) 20x25x1
NA
NA
NA
NA
NA
NA
(8) 20x24
(3) 20x20x2
(3) 20x20x2
Exhaust Filters
NA
(1) 12x24+(1) 24x24
NA
NA
NA
(8) 20x20 + (4) 16x20
(4) 20x24 + (4) 20x20
NA
(6) 20x24 + (6) 20x20
NA
(6) 20x24 + (6) 20x20
(2*) 20x25x2
(4**) 16x25x2
(8) 20x24
(8) 20x20 + (4) 16x20
(6) 20x24x2 +
(4) 20x24 + (4) 20x20
(2) 20x20x2
(6) 20x24 + (6) 20x20
(6) 20x24x2 +
(6) 20x24 + (6) 20x20
(2) 20x20x2
Supply Final Filters
(Pre-coil)
(4) 20x20
(8) 16x25
6-row DX coil:
4-row DX coil:
(4) 20x20
(8) 16x25
6-row DX coil:
4-row DX coil:

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