Table 3 — Fitting Requirement (cont)
UNIT | ACCESS | CONNECTION | CIRCUIT |
| FITTINGS REQUIRED† |
HOLE NO.‡ | TYPE |
| (in.) | ||
|
|
| |||
|
|
|
| 13/8 Street Elbow | |
| 1 | Suction | Lower | 13/8 Nipple, 11 L | |
|
|
|
| 13/8 Long Radius Elbow | |
|
|
|
| 5/8 Street Elbow | |
| 2 | Liquid | Lower | 5/8 Nipple, 11/2 L | |
|
|
|
| 5/8 Long Radius Elbow | |
40RUA28 |
|
|
| 5/8 Street Elbow | |
| 3 | Liquid | Upper | 5/8 Nipple, 191/2 L | |
|
|
|
| 5/8 | Long Radius Elbow |
|
|
|
| 13/8 Nipple, 43/16 L | |
| 4 | Suction | Upper | 13/8 Long Radius Elbow | |
| 13/8 Nipple, 231/4 L | ||||
|
|
|
| ||
|
|
|
| 13/8 Long Radius Elbow | |
|
|
|
| 21/8 Long Radius Elbow | |
| 5 | Supply | Lower | 21/8 Nipple, 31/2 L | |
|
|
|
| 21/8 Long Radius Elbow | |
|
|
|
| 21/8 Long Radius Elbow | |
| 6 | Return | Lower | 21/8 Nipple, 3 L | |
40RUS*28, 30 |
|
|
| 21/8 Long Radius Elbow | |
|
|
| 21/8 Long Radius Elbow | ||
|
|
|
| ||
| 7 | Return | Upper | 21/8 Nipple, 67/8 L | |
|
|
|
| 21/8 | Long Radius Elbow |
|
|
|
| 21/8 | Long Radius Elbow |
| 8 | Supply | Upper | 21/8 Nipple, 117/8 L | |
|
|
|
| 21/8 | Long Radius Elbow |
|
|
|
| 13/8 Street Elbow | |
| 1 | Suction | Lower | 13/8 Nipple, 3 L | |
|
|
|
| 13/8 Long Radius Elbow | |
|
|
|
| 5/8 Street Elbow | |
| 2 | Liquid | Lower | 5/8 Nipple, 73/4 L | |
|
|
|
| 5/8 Long Radius Elbow | |
40RUA*30 |
|
|
| 5/8 Street Elbow | |
| 3 | Liquid | Upper | 5/8 Nipple, 181/2 L | |
|
|
|
| 5/8 | Long Radius Elbow |
|
|
|
| 13/8 Nipple, 43/16 L | |
| 4 | Suction | Upper | 13/8 Long Radius Elbow | |
| 13/8 Nipple, 191/4 L | ||||
|
|
|
| ||
|
|
|
| 13/8 Long Radius Elbow | |
‡See Fig. 7 for access hole location by number.
† Fittings are listed in order from header or tee stub connection out to access hole in corner support post.
14