Carrier 23XL Installation Instructions Manual page 21

Cooler and Condenser Nozzle Arrangements
Cooler
Pass In Out
8 5
1
5 8
7 9
2
4 6
7 6
3
4 9
FRAME PASS
1
4* 2
3
*Frame 4 waterboxes are factory fabricated with bolt-on covers.
Fig. 21 — Piping Flow Data (Frame 4)
NOZZLE ARRANGEMENT CODES
Code Pass
A
1
B
C
2
D
E
3
F
Waterbox Nozzle Sizes
NOMINAL PIPE
SIZE (in.)
Cooler and Condenser
10
8
6
21
Condenser
In Out Code
11 2 P
2 11 Q
10 12 R
1 3 S
10 3 T
1 12 U
ACTUAL PIPE
ID (in.)
Cooler and Condenser
10.020
7.981
6.065