2-2
R
efRIgeRatIon
/ e
lectRIcal
P/N 0501930_G
U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com
INSULATION
Additional insulation for the balance of the
liquid and suction lines is recommended
wherever condensation drippage is
objectionable or lines are exposed to ambient
conditions .
SUCTION LINE
• Pitch in direction of flow .
• May be reduced by one size at one third of
case run load and again after the second
third . Do not reduce below the case suction
line size .
• Case suction lines should enter at the top
of the branch line .
LIQUID LINE
• May be reduced by one size after one half
the case run load . Do not reduce below the
case liquid line connection size .
• Take-offs to case liquid lines should exit
the bottom of the branch liquid line .
Provide an expansion loop for each
evaporator take-off (minimum 3 in .
[76 mm] loop) .
Suction Line Return
Liquid Line Take Off
Minimum Loop
3-in. (76 mm)
Offtime Defrost
Liquid Line
Suction Line
8 Ft Case
(2438 mm)
12 Ft Case
(3658 mm)
12 Ft Case
(3658 mm)
8 Ft Case
(2438 mm)
