Insulation; Suction Line; Liquid Line - Hussmann IMPACT D5RRI Operation And Service Manual
Rear roll-in dairy medium temperature free standing or suspended merchandisers installed in walk-in cooler exterior walls
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Also See for IMPACT D5RRI:
- Technical data sheet (6 pages) ,
- Connecting (5 pages) ,
- Parts installation and removal manual (10 pages)
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R
2-2
EFRIGERATION
INSULATION
The suction and liquid lines should be clamped or
taped together and insulated for a minimum of
30 ft (9144 mm) from the merchandiser.
Additional insulation for the balance of the liquid
and suction lines is recommended wherever con-
densation 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.
Suction Line Return
8 Ft Case
(2438 mm)
P/N 0435045A
/ E
LECTRICAL
Offtime Defrost
12 Ft Case
(3658 mm)
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).
Minimum Loop
3-in. (76 mm)
Liquid Line Take Off
8 Ft Case
(2438 mm)
Liquid Line
Suction Line
12 Ft Case
(3658 mm)
.
.
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