American Standard 4A7A3 - Section 2. Unit Location Considerations; Unit Dimensions and Weight; Refrigerant Piping Limits

11-AC29D1-10C-EN 3
Section 2. Unit Location Considerations
2.1 Unit Dimensions and Weight
2.2 Refrigerant Piping Limits
Table 2.1
When mounting the outdoor unit on a roof, be sure the roof will support the unit’s weight.
Properly selected isolation is recommended to alleviate sound or vibration transmission to the building structure.
1. The maximum TOTAL length of refrigerant
lines from outdoor to indoor unit should
NOT exceed 150 feet* (including lift).
2. The maximum vertical change should not
exceed 50 feet*.
3. Standard and alternate line sizes and
service valve connection sizes are shown in
Table 5.1.
* See Table 5.1 for exceptions for certain
tonnages.
Note: For other line lengths, Refer to Refriger-
ant Piping Application Guide, SS-APG006-EN
or Refrigerant Piping Software Program, 32-
3312-xx (latest revision).
D
H
W
50’
Max
Vertical
Change
Standard
Line Set
150’ Max
TOTAL Line Length
50’
Max
Vertical
Change
4A7A3018H 29 x 26 x 29 127
4A7A3024H 29 x 26 x 29 130
4A7A3030H 29 x 26 x 29 137
4A7A3036H 29 x 30 x 33 147
4A7A3042E 29 x 30 x 33 172
4A7A3043A 29 x 34 x 37 184
4A7A3048E 37 x 30 x 33 184
4A7A3049A 29 x 34 x 37 189
4A7A3060E 37 x 34 x 37 211
* Weight values are estimated.
Unit Dimensions and Weight
Models H x D x W (in) Weight* (lb)
4A7A3018N 29 x 26 x 29 133
4A7A3024N 29 x 26 x 29 133
4A7A3030N 29 x 30 x 33 156
4A7A3036N 29 x 30 x 33 161
4A7A3042N 29 x 34 x 37 184
4A7A3048N 29 x 34 x 37 189
4A7A3060N 37 x 34 x 37 211