Technical Specifications

Designing a Liebert XD Solution
34
Figure 35 Liebert XD supply header orientation
3.19 Piping Details—Bull Heading Layout
Good piping layout employs offsetting connections to promote easier refrigerant flow, as shown in
Figure 36. “Bull head T” connections should be avoided.
Figure 36 Efficient piping layout—avoid “bull head T” connections
Port Kit, Supply Header Port
Connection to a supply header.
A
ny connection angle
is functional.
R134a Refrigerant
LIQUID
A
c
c
e
p
t
a
b
l
e
A
c
c
e
p
t
a
b
l
e
Refrigerant Flow
Refrigerant Flow
Refrigerant Flow
Refrigerant Flow
INCORRECT CONNECTION
BULL HEAD T
CORRECT CONNECTION
OFFSET PIPES
Avoid this pipe
layout, known as
a “bull head tee.”
This pipe layout with
offset pipes keeps
flow moving.