Hussmann Q2SSNM4SPA Installation & Operation Manual
Hussmann Q2SSNM4SPA Installation & Operation Manual

Hussmann Q2SSNM4SPA Installation & Operation Manual

Medium temperature self contained

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Q2SSNM4SPA
Medium Temperature
Self Contained
WARNINGS:
If the information in these instructions are not followed
exactly, a fire or explosion may result, causing property
damage, personal injury or death.
Installation and service must be performed by a qualified
installer or service agency.
READ THE ENTIRE MANUAL BEFORE
INSTALLING OR USING THIS EQUIPMENT.
The unit uses R-290 (propane) gas as the refrigerant.
R-290 (propane) is flammable and heavier than air. It
collects first in low areas but can be circulated by the
fans. If propane gas is present or even suspected, do not
allow untrained personnel to attempt to find the cause.
The propane gas used in the unit has no odor. The lack
of smell does not indicate a lack of escaped gas. If a
leak is detected, immediately evacuate all persons from
the store, and contact the local fire department to advise
them that a propane leak has occured. Do not let any
Installation &
persons back into the store until the qualified service
technician has arrived and that technician advises that it
Operation Manual
is safe to return to the store. No open flames, cigarettes
or other possible sources of ignition should be used
inside or in the vicinity of the units.
FAILURE TO ABIDE BY THIS WARNING COULD
RESULT IN AN EXPLOSION, DEATH, INJURY AND
PROPERTY DAMAGE.
P/N 3091736_C
IMPORTANT
October 2020
Keep in store for future reference!
Spanish 3091737
MANUAL-SELFCONTAINED Q2SSNM4SPA

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Summary of Contents for Hussmann Q2SSNM4SPA

  • Page 1 FAILURE TO ABIDE BY THIS WARNING COULD RESULT IN AN EXPLOSION, DEATH, INJURY AND PROPERTY DAMAGE. P/N 3091736_C IMPORTANT October 2020 Keep in store for future reference! Spanish 3091737 MANUAL-SELFCONTAINED Q2SSNM4SPA...
  • Page 2 • Component parts are designed for propane and non-incendive and non-sparking. Component parts shall only be replaced with identical repair parts. FAILURE TO ABIDE BY THIS WARNING COULD RESULT IN AN EXPLOSION, DEATH, INJURY AND PROPERTY DAMAGE. P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 3: Table Of Contents

    Self-Contained Startup Checklist ... 19 Hussmann Product Control ....5 Shipping Damage ......5 Location .
  • Page 4: Ansi Z535.5 Definitions

    Do not use electrical appliances inside the food or increasing the risk of a leak. storage compartments of the case. Case ventilation openings must be clear of any obstructions. Do not damage the refrigerant circuit. P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 5: Installation

    This equipment has been carefully merchandiser. inspected at our factory. Any claim for loss or damage must be made to the carrier. The carrier will provide any necessary inspection reports and/or claim forms Q2SSNM4SPA Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 6: Self Contained Location

    Do not place or replacing any electrical component. This heavy objects on the merchandiser. includes, but is not limited to, such items as doors, lights, fans, heaters, and thermostats. P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 7: Shipping Skid/Crate

    Determine the highest August 31, 2018 part of the floor. This warning does not mean that Hussmann products will cause cancer or reproductive harm, or is in violation of any product-safety standards or requirements.
  • Page 8: Refrigeration Unit Access

    ALWAYS CHECK THE SERIAL PLATE FOR COMPONENT AMPERES NOTE: Do not allow trim to cover any intake or discharge grilles located in the lower front panel. P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 9: Electrical Outlet

    Risk of Electric Shock. If cord or plug becomes damaged, replace only with a cord and plug of the same type. Q2SSNM4SPA Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 10: Before Beginning Service Or Repair

    Do not let any persons back into the store systems. until the qualified service technician has arrived and that technician advises that it is safe to re- turn to the store. P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 11: Replacing Refrigeration System

    7. Pull vacuum to a minimum of 200 microns or 3. Tap system with line tap valves, attaching gauges to lower. the high and low sides of the system. refrigeration line tapping valve Q2SSNM4SPA Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 12: Charging

    P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 13: Sensor To Control Configuration

    P/N 3091736_C Typical Sensor to Control Configuration TEMPERATURE SENSOR DEFROST SENSOR CONTROL BOX EMPERATURE ENSOR SOLID STATE RELAY POWER CORD THERMOSTAT MAIN SWITCH CONTROL BOX ASSY MAY INCLUDE: - LED POWER SUPPLY Q2SSNM4SPA Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 14: Start Up / Operation

    Manual start or stop of a defrost • Push the lower button for four seconds. Reprinted with permission from the controller manufacturer. (Though not for application 4). P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 15 6 where the different applications are only S4 is used. shown. DO1: Refrigeration. The relay will cut in when the controller demands refrigeration DO2: Defrost. The relay will cut in when defrost is in progress Q2SSNM4SPA Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 16 - Keep a distance between cables of at least 10 cm - Long cables at the DI input should be avoided Product will be degraded and may spoil if allowed to sit in a non-refrigerated area. P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 17: Controller Data

    P/N 3091736_C Q2SSNM4SPA Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 18: Start Up

    Controls and Adjustments Refrigeration Controls Defrost Controls Product Discharge Air Defrost Type of Temperature Failsafe Model Application Temperature Frequency Defrost Termination Time (per day) (minutes) Q2SSNM4SPA Medium Temp. 20°F ‐ 28°F Off time 48°F (Self Contained) (Meat, Deli, Floral) P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 19: Self-Contained Startup Checklist

    LEGAL DISCLAIMER: Hussmann shall not be liable for any repair or replacements made without the written consent of Hussmann, or when the product is installed or operated in a man- ner contrary to the printed instructions covering installation and service which accompanied such product.
  • Page 20: Load Limits

    At no time should product be stocked: • Beyond the front of shelves • Near the air supply duct located at the top rear of case DO NOT LOAD CASE WITH WARM PRODUCT. P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 21: Maintenance

    Do not use HOT water on COLD glass surfaces. This can cause the glass to shatter and could result in personal injury. Allow glass fronts, ends and service doors to warm before applying hot water. Q2SSNM4SPA Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 22 • After cleaning is completed, restore power and turn on the merchandiser. Product will be degraded and may spoil if allowed to sit in a non-refrigerated area. P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 23: Cleaning Discharge Honeycomb

    Water must not drip down the case! result in personal injury. Allow glass fronts, to warm before applying hot water. Never use ammonia based cleansers, abrasive cleansers, or scouring pads. Q2SSNM4SPA Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 24: Cleaning Under Display Pan

    Evaporation Pan is Hot! – and poses risk of bodily injury Always wear gloves and protective eye wear when servicing. Turn off evaporation pan heater, and allow pan to cool. P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 25: Cleaning Coils

    (non-metallic) brush to remove dirt and debris. Do not bend coil fins. Always wear gloves and protective eye wear when cleaning near sharp coil fins and dust particles. Q2SSNM4SPA Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 26: Maintenance Checklist

    Verify unit doors and lids work and are sealed correctly. Verify that all the panels, shields and covers are in place. Technician Notes: Form HSCW03 Rev-29 OCTOBER13 P/N 3091736_C U.S. & Canada 1-800-922-1919 • Mexico 1 800-890-2900 • www.hussmann.com...
  • Page 27: Service

    10. Verify that motor is working and blade is turning in the correct direction. Note: Plenum length and number of fans will vary with model. Fan Blade Motor Fan Assembly Plenum Bracket Q2SSNM4SPA Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 28 To obtain warranty information or other support, contact your Hussmann representative. Please include the model and serial number of the product. Hussmann Corporation, Corporate Headquarters: Bridgeton, Missouri, U.S.A. 63044-2483 01 October 2012...

Table of Contents