Branch Line Piping - Hussmann INSIGHT REACH-IN Installation & Operation Manual

BRANCH LINE PIPING

Suction Line – All Defrosts
• 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 evaporator
connection size.
• Suction returns from evaporators enter at the top of the branch
ANSI Z535.6-2011 (R2017)
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line. Liquid Line – Off-time and Electric Defrost
• May be reduced by one size after one half the case load run. Do
Providing Information About Safety Messages in Collateral Materials and Product
not reduce below evaporator connection size.
• Take-offs to evaporators exit the bottom of the liquid line. Provide
an expansion loop for each evaporator take-off (minimum 3 in.
(76 mm) diameter).
A1 Explanation of Signal Words and Symbols
Liquid Line – Koolgas Defrost
Signal words and safety symbols that are used in a product's collateral materials or on the product may
be defined in collateral materials if space is available.
• Maximum of 6 evaporators per Branch System.
A1.1 Safety Alert Symbol
• Increase the liquid line size inside the case by two sizes over the
The meaning of the safety alert symbol may be provided in collateral materials. The following artwork may
branch size.
be used for this purpose.
Branch Size In Case Size
½
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7/8
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A1.2 Signal Words
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The meaning of the different signal words as defined by the ANSI Z535.6 and ANSI Z535.4 standards
may be explained in collateral materials. The following artwork may be used for this purpose.
• Take-offs to evaporators exit the bottom of the liquid line. Provide
an expansion loop for each evaporator take-off (minimum 3 in.
(76 mm) diameter).
»
This information is applicable only for
piping Hussmann merchandisers to
Hussmann refrigeration equipment.
HUSSMANN CORPORATION • U.S. & CANADA 1-800-922-1919 • BRIDGETON, MO 63044-2483 • MEXICO 1-800-890-2900 • WWW.HUSSMANN.COM • PN 3181178_A
A1.3 Other Highlighting Conventions
The meaning of any other highlighting conventions used to differentiate safety messages (e.g., text
manipulations, indention, etc.) may be explained in collateral materials.
Annex A
Safety Signs and Labels
(Informative)
This is the safety alert symbol. It is used to alert you
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to potential physical injury hazards. Obey all safety
messages that follow this symbol to avoid possible
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injury or death.
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1 5/8
2 1/8
DANGER indicates a hazardous situation which, if not
avoided, will result in death or serious injury.
WARNING indicates a hazardous situation which, if not
avoided, could result in death or serious injury.
CAUTION indicates a hazardous situation which, if not
avoided, could result in minor or moderate injury.
NOTICE is used to address practices not related to
physical injury.
Safety instructions (or equivalent) signs indicate specific
safety-related instructions or procedures.
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