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Hussmann Super Plus - User Manual

Hussmann Super Plus
147 pages
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Table of Contents

Questions and Answers

  • G
    Gloria PaceJul 31, 2025
    What to do if the alarm light is lit after testing a Hussmann Refrigerator?
    • S
      Scott CookJul 31, 2025
      If the alarm light remains lit after completing a test on your Hussmann Refrigerator, the test is completed. Power off the unit and reinstate control.
  • T
    Todd RichardsonAug 8, 2025
    What to do if there is Alarm Board Failure at 32 X2 in Hussmann Refrigerator?
    • K
      kgardnerAug 8, 2025
      In case of an Alarm Board Failure at 32 X2 in your Hussmann Refrigerator, press the Bell Stop Switch. Then proceed according to section 11.
  • K
    kochtracyAug 18, 2025
    What to do if there is Alarm Board Failure at A9 Light in Hussmann Refrigerator?
    • W
      wallacechristopherAug 19, 2025
      In the event of an Alarm Board Failure at A9 Light in your Hussmann Refrigerator, proceed according to section 8.

Summary

Installation Instructions

Machine Room Requirements

Discusses floor support, ventilation, drains, and working space for equipment.

Super Plus Refrigeration Process

Basic Refrigeration Cycle

Explains the fundamental stages of the refrigeration cycle, from compression to condensation.

Koolgas Defrost Cycle

Explains the process of refrigerant flow during the Koolgas defrost cycle.

Demand Cooling (Copeland)

Describes injecting refrigerant into the suction cavity for compressor temperature control.

Component Piping

Refrigeration Line Runs

Guidelines for routing liquid and suction lines, including expansion and P-traps.

Line Sizing

Guidelines for sizing suction and liquid lines for branch piping.

Electrical

Field Wiring

Details on how Super Plus components are wired at the factory and in the field.

Power Monitor

Details the function and operation of the single phase power monitor.

Remote Condenser, Remote Satellite

Preliminary Electrical Check

Steps to check condenser electrical connections and fan operation before start-up.

Mechanical Defrost Timers

Control Valves

EPR Valve

Explains Evaporator Pressure Regulator Valves and their function.

TEV

Details the Thermal Expansion Valve's role in regulating refrigerant flow.

Demand Cooling (Copeland)

Operation of the system designed to inject refrigerant for compressor temperature control.

Control Settings

EPR Settings

Provides pressure settings for EPR controls based on evaporator temperature.

Mechanical Low Pressure Controls

Settings and adjustments for Alco Low Pressure Controls.

Start-Up and Maintenance

Addendum - Condenser Installation

Hussmann Super Plus Specifications

General IconGeneral
BrandHussmann
ModelSuper Plus
UsageCommercial
Voltage115V
Hertz60 Hz
Phase1
ShelvesAdjustable
Defrost TypeAutomatic
RefrigerantR-404A
LightingLED
Exterior FinishStainless Steel
DimensionsVaries by model
Door TypeSolid or Glass (varies by model)

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