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Installation and Maintenance 35
Figure 28
Coil Type UW 2-Row RH and LH Small Coil Section
Connections with Drain and Vent Locations
.
Base
Line
Left Hand
Right Hand
AIR
FLOW
AIR
FLOW
A
B
C
D
F
G
L
3/8” NPT Ext Drain
3/8” NPT Ext Vent
R NPT (EXT) Return R.H.
R NPT (EXT) Supply L.H.
R NPT (EXT) Supply R.H.
R NPT (EXT) Return L.H.
Note: External connections fit through casing side
Table 30
2-Row UW Coil Dimensions
Unit Size L A B C D F G R
3
11 10-9/16 13-11/16 4-1/2 6-1/2 21-5/8 2-5/8 1-1/2
6
11 12-1/16 14-3/16 4-1/2 6-1/2 24-5/8 2-5/8 1-1/2
8
11 13-15/16 17-1/16 4-1/2 6-1/2 26-3/8 2-5/8 1-1/2
10
11 13-15/16 17-1/16 4-1/2 6-1/2 26-3/8 2-5/8 1-1/2
12
11 16-7/16 19-9/16 4-1/4 6-3/4 33-3/8 2-5/8 2
14
11 13-15/16 20-13/16 4-1/4 6-3/4 25-7/8 2-5/8 2
17
11 18-15/16 22-1/16 4-1/4 6-3/4 38-3/8 2-5/8 2
21
11 20-5/8 25-3/4 3-3/4 7 42-1/8 2-5/8 2-1/2
25
11 25-3/4 26-7/8 3-3/4 7 45-1/4 2-5/8 2-1/2
30
11 25-3/4 26-7/8 3-3/4 7 45-1/4 2-5/8 2-1/2
35
11-1/2 29-7/16 30-9/16 4-3/8 7-1/8 58-3/4 3-5/32 2-1/2
40
11-1/2 29-7/16 30-9/16 4-3/8 7-1/8 58-3/4 3-5/32 2-1/2