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Table 3 — Fitting Requirements
UNIT
ACCESS
HOLE NO.*
CONNECTION
TYPE
CIRCUIT
FITTINGS REQUIRED†
(in.)
40RM
007
1
Suction
—
1
1
⁄
8
Street Elbow
1
1
⁄
8
Nipple, 10
5
⁄
8
L
1
1
⁄
8
Long Radius Elbow
3
Liquid
—
5
⁄
8
Street Elbow
5
⁄
8
Nipple, 8
5
⁄
8
L
5
⁄
8
Long Radius Elbow
40RM
40RMQ
008
1
Suction
—
1
1
⁄
8
Street Elbow
1
1
⁄
8
Nipple, 8
5
⁄
8
L
1
1
⁄
8
Long Radius Elbow
3
Liquid
—
5
⁄
8
Street Elbow
5
⁄
8
Nipple, 8
5
⁄
8
L
5
⁄
8
Long Radius Elbow
40RMS
008-012
4
Return
—
1
3
⁄
8
Nipple, 4
3
⁄
8
L
1
3
⁄
8
Long Radius Elbow
1
3
⁄
8
Nipple, 7
3
⁄
8
L
1
3
⁄
8
Long Radius Elbow
5
Supply
—
1
3
⁄
8
Nipple, 6
5
⁄
8
L
1
3
⁄
8
Long Radius Elbow
40RM
012
1
Suction
Lower
(2) 1
1
⁄
8
Street Elbow
2
Liquid
Lower
5
⁄
8
Street Elbow
5
⁄
8
Nipple, 8
1
⁄
2
L
5
⁄
8
Long Radius Elbow
3
Liquid
Upper
5
⁄
8
Street Elbow
5
⁄
8
Nipple, 13
1
⁄
2
L
5
⁄
8
Long Radius Elbow
4
Suction
Upper
1
1
⁄
8
Nipple, 5
3
⁄
4
L
1
1
⁄
8
Long Radius Elbow
1
1
⁄
8
Nipple, 12 L
1
1
⁄
8
Long Radius Elbow
40RMQ
012
1
Suction
Lower
(2) 1
1
⁄
8
Street Elbow
2
Liquid
Lower
5
⁄
8
Street Elbow
5
⁄
8
Nipple, 5
1
⁄
2
L
5
⁄
8
Long Radius Elbow
3
Liquid
Upper
5
⁄
8
Street Elbow
5
⁄
8
Nipple, 10
1
⁄
2
L
5
⁄
8
Long Radius Elbow
4
Suction
Upper
1
1
⁄
8
Nipple, 5
5
⁄
8
L
1
1
⁄
8
Long Radius Elbow
1
1
⁄
8
Nipple, 12 L
1
1
⁄
8
Long Radius Elbow
40RM
014
1
Suction
Lower
1
1
⁄
8
Street Elbow
1
1
⁄
8
Nipple, 7
5
⁄
8
L
1
1
⁄
8
Long Radius Elbow
2
Liquid
Lower
5
⁄
8
Street Elbow
5
⁄
8
Nipple, 1
7
⁄
16
L
5
⁄
8
Long Radius Elbow
3
Liquid
Upper
5
⁄
8
Street Elbow
5
⁄
8
Nipple, 11
1
⁄
2
L
5
⁄
8
Long Radius Elbow
4
Suction
Upper
1
1
⁄
8
Nipple, 5
5
⁄
8
L
1
1
⁄
8
Long Radius Elbow
1
1
⁄
8
Nipple, 13 L
1
1
⁄
8
Long Radius Elbow
40RMS
014-024
4
Supply
Lower
1
3
⁄
8
Long Radius Elbow
1
3
⁄
8
Nipple, 3
3
⁄
4
L
1
3
⁄
8
Long Radius Elbow
5
Return
Lower
1
3
⁄
8
Long Radius Elbow
1
3
⁄
8
Nipple, 3
3
⁄
8
L
1
3
⁄
8
Long Radius Elbow
6
Return
Upper
1
3
⁄
8
Long Radius Elbow
1
3
⁄
8
Nipple, 7 L
1
3
⁄
8
Long Radius Elbow
7
Supply
Upper
1
3
⁄
8
Long Radius Elbow
1
3
⁄
8
Nipple, 11
3
⁄
4
L
1
3
⁄
8
Long Radius Elbow
*See Fig. 4 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.
15