18-AC105D1-1D-EN 3
Section 2. Unit Location Considerations
2.1 Unit Dimensions and Weight
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.
Unit Dimensions and Weight
Models H x D x W (in) Weight* (lb)
4TWX6018H 38 x 30 x 33 174
4TWX6024H 38 x 30 x 33 174
4TWX6030H 43 x 34 x 37 218
4TWX6036H 43 x 34 x 37 219
4TWX6042H 52 x 34 x 37 247
4TWX6048H 52 x 34 x 37 270
4TWX6060H 52 x 34 x 37 270
* Weight values are estimated.
2.2 Refrigerant Piping Limits
1. The maximum length of refrigerant lines
from outdoor to indoor unit should NOT
exceed sixty (60) feet.
2. The maximum vertical change should not
exceed sixty (60) feet*.
3. Service valve connection diameters are
shown in Table 5.1.
Note: For line lengths greater than sixty (60)
feet, Refer to Refrigerant Piping Application
Guide, SS-APG006-EN or Refrigerant Piping
Software Program, 32-3312-03 (or latest revi-
sion).
60’ *
Max
Vertical
Change
Standard
Line Set
60’ Max
Line Length
60’ *
Max
Vertical
Change