679948-YTG-A-0111
Unitary Products Group 21
TABLE 31: STEAM COIL DIMENSIONS
TABLE 32: HOT WATER COIL DIMENSIONS1
FIGURE 15 - STEAM COIL
Coil
Model
Unit
Model
Steam Coil Dimensions (inches)
ABCDEFG
1NF0451
1
1. Installs over the return air opening of the unit-before the filters.
090
120
52 25 5 2-1/2 2-5/8 13-5/8 1-1/2
1NF0452
2
2. Installs between the coil and blower section of the unit.
180 60-3/4 32-1/4 6 3-5/16 3-3/8 17-3/8 1-1/2
1NF0453
2
240 89-1/2 30-3/4 6 3-7/16 3-15/16 14-15/16 1-1/2
FIGURE 16 - HOT WATER COIL
C
A
B
D
E
F
G
2
CONN’S.
2
H
Coil
Model
Unit
Model
Hot Water Coil Dimensions (inches)
ABCD E F G H
1HW0451
1
1. Installs over the return air opening of the unit-before the filters.
090
120
52 25 5 1-11/16 2-3/8 5-7/8 3-3/8
1”
NPTE
1HW0452
2
2. Installs between the coil and blower section of the unit.
180 60-3/4 32-1/4 6 2-5/32 2-11/16 6-9/16 3-27/32
1-3/8
O.D.
1HW0405
2
240 89-1/2 30-3/4 6 2-5/32 3-3/8 6-11/16 3-27/32
1-3/8
O.D.