Carrier R-410A Air Conditioner User Manual


 
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