Carrier R-410A, Installation And Service Instructions Manual

Page: 14 / 36

14
Table 3 — Fitting Requirement (cont)
‡
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.
UNIT
ACCESS
HOLE NO.
‡
CONNECTION
TYPE
CIRCUIT
FITTINGS REQUIRED
†
(in.)
40RUA28
1 Suction Lower
1
3
/
8
Street Elbow
1
3
/
8
Nipple, 11 L
1
3
/
8
Long Radius Elbow
2 Liquid Lower
5
/
8
Street Elbow
5
/
8
Nipple, 1
1
/
2
L
5
/
8
Long Radius Elbow
3 Liquid Upper
5
/
8
Street Elbow
5
/
8
Nipple, 19
1
/
2
L
5
/
8
Long Radius Elbow
4 Suction Upper
1
3
/
8
Nipple, 4
3
/
16
L
1
3
/
8
Long Radius Elbow
1
3
/
8
Nipple, 23
1
/
4
L
1
3
/
8
Long Radius Elbow
40RUS*28, 30
5 Supply Lower
2
1
/
8
Long Radius Elbow
2
1
/
8
Nipple, 3
1
/
2
L
2
1
/
8
Long Radius Elbow
6 Return Lower
2
1
/
8
Long Radius Elbow
2
1
/
8
Nipple, 3 L
2
1
/
8
Long Radius Elbow
7 Return Upper
2
1
/
8
Long Radius Elbow
2
1
/
8
Nipple, 6
7
/
8
L
2
1
/
8
Long Radius Elbow
8 Supply Upper
2
1
/
8
Long Radius Elbow
2
1
/
8
Nipple, 11
7
/
8
L
2
1
/
8
Long Radius Elbow
40RUA*30
1 Suction Lower
1
3
/
8
Street Elbow
1
3
/
8
Nipple, 3 L
1
3
/
8
Long Radius Elbow
2 Liquid Lower
5
/
8
Street Elbow
5
/
8
Nipple, 7
3
/
4
L
5
/
8
Long Radius Elbow
3 Liquid Upper
5
/
8
Street Elbow
5
/
8
Nipple, 18
1
/
2
L
5
/
8
Long Radius Elbow
4 Suction Upper
1
3
/
8
Nipple, 4
3
/
16
L
1
3
/
8
Long Radius Elbow
1
3
/
8
Nipple, 19
1
/
4
L
1
3
/
8
Long Radius Elbow