Piping Connection - Carrier 38GJt Owner's Manual & Installation Instructions

3.3 Piping Connection

The maximum pipe length is shown in the following table. When the distance between units (piping length) is
out of the range listed below, normal operation of the unit can not be guaranteed.
Model
3 8 G J Q F 3 0 - - - 3
3 8 G J Q G 3 6 - - - 3
3 8 G J Q G 4 2 - - - 3
1) Use water-proof insulating pipe.
2) Wall thickness of pipe: 0.019-0.039 inch; bearing pressure: 3.0MPa
3) The longer the connection pipe is, the more the cooling and heating capacity will decrease.
Connecting Pipe (inch)
Liquid Gas
1/4 3/8
1/4 3/8
1/4 3/8
Table 5
Max. Height Difference between Indoor
Max. Pipe length(ft)
Unit and Outdoor Unit (ft)
When the outdoor unit is above,
229.6
the maximum height difference between
246.1
the indoor and outdoor units is up to 49.2ft.
When
246.1
the maximum height difference between
the indoor and outdoor units is up to 49.2ft.
NOTICE
8
the indoor unit is above,