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Installation and Maintenance 33
P4 18, 24, 30 1 1 1/2
P8 18, 24, 30 1-1/4 1-1/4 1/2
WC 18 1 1 1/2
WC 24 1-1/4 1-1/4 1/2
WC 30, 33 2-1/2 1-1/2 1/2
NS 18 2 1 1
NS 24 2-1/2 1-1/4 1-1/4
NS 30, 33 3 1-1/4 1-1/4
Table 27
Shipping Coil Water and Steam Connection Sizes
Coil Type Header Height Supply Return Drain/Vent
Table 28
UF Refrigerant Coil Connections (Inches)
Unit
Size
Header
Height
Rows Dist.
Tube
No.
Circuits
Circuiting 1 Distributor 2 Distributors 4 Distributors
Liquid Suction Liquid Suction Liquid Suction
3 21 4, 6, 8 1/4 16 Full 1-1/8 1-5/8
3/16 16 1-1/8 1-5/8
4, 6 1/4 8 Half 1-1/8 1-5/8 7/8 1-3/8
3/16 8 1-1/8 1-5/8 5/8 1-3/8
4 1/4 4 Qtr. 7/8 1-3/8 7/8 1-3/8
3/16 4 5/8 1-3/8 5/8 1-3/8
6 23 4, 6, 8 1/4 18 Full 1-1/8 1-5/8
3/16 18 1-1/8 1-5/8
4, 6 1/4 9 Half 1-1/8 1-5/8 7/8 1-3/8
3/16 9 1-1/8 1-5/8 Note 1 1-3/8
4 1/4 4 Qtr. 7/8 1-3/8 7/8 1-3/8
3/16 4 5/8 1-3/8 5/8 1-3/8
8,10 27 4, 6, 8 1/4 21 Full Note 2 1-5/8
3/16 21 1 1/8 1-5/8
4, 6 1/4 10 Half 1-1/8 1-5/8 7/8 1-3/8
3/16 10 1-1/8 1-5/8 7/8 1-3/8
4 1/4 5 Qtr. 7/8 1-3/8 7/8 1-3/8
3/16 5 7/8 1-3/8 5/8 1-3/8
12 32 4, 6, 8 1/4 25 Full 1-3/8 1-5/8
3/16 25 1-1/8 1-5/8
4, 6 1/4 12 Half 1-3/8 1-5/8 1-1/8 1-3/8
3/16 12 1-1/8 1-5/8 7/8 1-3/8
4 1/4 6 Qtr. 1-1/8 1-5/8 7/8 1-3/8
3/16 6 7/8 1-3/8 5/8 1-3/8
14 35 4, 6, 8 1/4 27 Full 1-3/8 1-5/8
3/16 27 1 1/8 1-5/8
4, 6 1/4 13 Half 1-3/8 1-5/8 1 1/8 1-3/8
3/16 13 1-1/8 1-5/8 7/8 1-3/8
17 37 4, 6, 8 1/4 29 Full 1-1/8 Note 3
3/16 29 Note 4 Note 3
4, 6 1/4 14 Half 1-1/8 1-3/8
3/16 14 7/8 1-3/8