Hussmann VRL Installation & Operation Manual
Hussmann VRL Installation & Operation Manual

Hussmann VRL Installation & Operation Manual

Low temperature self contained glass door merchandisers with r-290 refrigerant

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Æ
VRL
(120V)
Low Temperature Self Contained
Glass Door Merchandisers
with R-290 Refrigerant
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 gas as the refrigerant. R-290 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 occurred. Do not let any persons
Installation &
back into the store until the qualified service technician
has arrived and that technician advises that it is safe to
Operation Manual
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
P/N 3155541_E
PROPERTY DAMAGE.
December 2023
IMPORTANT
Keep in store for future reference!
Spanish 3155542
MANUAL - SELF CONTAINED R290 VRL 120V I/O

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Summary of Contents for Hussmann VRL

  • Page 1 FAILURE TO ABIDE BY THIS WARNING COULD RESULT IN AN EXPLOSION, DEATH, INJURY AND P/N 3155541_E PROPERTY DAMAGE. December 2023 IMPORTANT Keep in store for future reference! Spanish 3155542 MANUAL - SELF CONTAINED R290 VRL 120V I/O...
  • Page 2: Before You Begin

    • 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. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 3 KEEP IN STORE FOR FUTURE REFERENCE Quality that sets industry standards! 12999 St. Charles Rock Road • Bridgeton, MO 63044-2483 U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 www.hussmann.com © 2023 Hussmann Corporation VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 4: Revision History

    • NOTICE – Not related to personal injury – of any obstructions. Do not damage the Indicates[s] situations, which if not avoided, refrigerant circuit. could result in damage to equipment. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 5: Installation

    This equipment has been carefully 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. VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 6 VRL models have vented base panels to allow air circulation through the condensing unit. Allow for a minimum 36 in. clearance in the front. Blocking or restricting air flow will adversely affect performance and may damage the refrigeration system.
  • Page 7: Exterior Loading

    Determine the highest part of the floor. Case ventilation openings must be clear of any obstructions. Do not damage the refrigerant circuit. VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 8: Model Description

    Design Features: - Contemporary styling places maximum attention on merchandising - All VRL merchandisers have the same access panel design for commonality between merchandisers - Self-closing Innovator doors. Positive seal, torsion type closure system...
  • Page 9 Make sure the adjustable wrench used has a minimum opening of 2 16" CASTERS CASTERS 83.19" 83.19 83.19 (1-door model shown) Case height is the same for 1, 2 and 3-door case models VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 10 1. APPLICABLE STANDARDS / SPECIFICATIONS ASME Y14.5M-1994, DIMENSIONS AND TOLERANCES 2. KEY PRODUCT CHARACTERISTICS PER EPR-0006 & IDENTIFIED WITH SYMBOL THIRD 3. MATERIAL- ANGLE 4. REF - PROJECTION SHEET 15 OF 15 PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 11 Please consult your Hussmann representative placing the case in its final location. Shelf to ensure the optimum performance of all repositioning is shown on the next page. Hussmann equipment. Plastic Clip VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 12 Shelves are designed to support a maximum load of 150 lbs. Exceeding this load can cause damage to the shelves, case, damage to store products, and potentially create a hazardous condition for customers and store personnel. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 13 The switch controls the display lighting and interior lighting. Light Switch Light Switch 11/29/2021 (1-door model shown) light switch location is in similar location for all models - right hand side of the fan plenum VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 14: Load Limits

    Product should NOT be placed in case until merchandiser is at proper operating temperature. The VRL merchandisers must remain in operation for at least 24 hours before product may be loaded into case cabinet. Proper rotation of product during stocking is necessary to prevent product loss.
  • Page 15: Legal Disclaimer

    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 manner contrary to the printed instructions covering installation and service which accompanied such product.
  • Page 16 This includes, 2. KEY PRODUCT CHARACTERISTICS PER EPR-0006 & IDENTIFIED WITH SYMBOL but is not limited to, such items as doors, lights, fans, heaters, 3. MATERIAL- 4. REF - and thermostats. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 17 31.26 ELECTRICAL BOX 2 & 3 DOORS LOCATION MARKED IN TABLE AS CENTER OR RIGHT UNLESS OTHERWISE DIMENSIONS ARE SHEET 12 O ELECTRICAL BOX 2 LOCATION MARKED AS CENTER OR RIGH VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 18 VALVE HGSV PRESSURE CONDENSATE PAN SWITCH COMPRESSOR UNLESS OTHERWISE SPECIFIE DIMENSIONS ARE IN INCHES. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com / SPECIFICATIONS NSIONS AND TOLERANCES ERISTICS PER EPR-0006 & IDENTIFIED WITH SYMBOL THIRD ference ANGLE PROJECTION...
  • Page 19 SWITCH COMPRESSOR FILTER DRIER CAP TUBE CHECK VALVE CONDENSER HGSV PRESSURE CONDENSATE PAN SWITCH COMPRESSOR UNLESS OTHERWISE DIMENSIONS ARE CATIONS ND TOLERANCES PER EPR-0006 & IDENTIFIED WITH SYMBOL SHEET 3 O VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 20 (This diagram is applicable for both 1 and 2-door case models) FILTER CAP TUBE DRIER CHECK VALVE HGSV PRESSURE CONDENSATE PAN SWITCH COMPRESSOR UNLESS OTHERWISE SP DIMENSIONS ARE IN IN & IDENTIFIED WITH SYMBOL PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com PROJE SHEET 2 OF...
  • Page 21 SWITCH COMPRESSOR FILTER DRIER CAP TUBE CHECK VALVE CONDENSER HGSV PRESSURE CONDENSATE PAN SWITCH COMPRESSOR UNLESS OTHERWISE S DIMENSIONS ARE IN ERANCES R-0006 & IDENTIFIED WITH SYMBOL PROJ SHEET 4 OF VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 22 Do not let any persons back into the store cleared from the area and from the refrigeration until the qualified service technician has arrived systems. and that technician advises that it is safe to return to the store. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 23 7. Once recovered, close the tank valve and remove the guage from the tank and connect nitrogen tank to the system to purge it with nitrogen. 8. Pull vacuum to a minimum of 200 microns or lower. VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 24 COMPRESSOR service tube shut. ELECTRICAL BOX MICROCHANNEL CONDENSER SOLENOID VALVES (1-door case shown) SECTION D-D PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. YMBOL THIRD ANGLE PROJECTION SHEET 7 OF 12...
  • Page 25 INTERIOR TOP PANEL 4.50 ROOF TO SENSOR DETAIL B VRL1B1A AIR DISCHARGE SENSOR CENTERED BETWEEN SIDES OF THE CASE 14.87 INTERIOR TOP PANEL 4.50 ROOF TO SENSOR DETAIL B SECTION A-A SECTION A-A VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 26 EfrIgEratIon ontrollEr DISCHARGE SENSOR LOCATION VRL2B1A INTERIOR TOP PANEL 25.69 AIR DISCHARGE SENSOR 23.75 FROM INTERIOR RIGHT PANEL 4.50 ROOF TO SENSOR SECTION C-C PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 27 PN_3155541_E DISCHARGE SENSOR LOCATION VRL3B1A 21.94 20.00 Air Discharge Sensor FROM INTERIOR RIGHT PANEL 4.50 SECTION D-D UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. THIRD ANGLE PROJECTION...
  • Page 28 DEFROST SENSOR LOCATION DEFROST SENSOR IS LOCATED BELOW EVAPORATOR OUTLET TUBE (APPLIES FOR VRL1B1A, VRL2B1A, VRL3B1A) DETAIL C EVAP OUTLET EVAP INLET CAPILLARY TUBE CHECK VALVE HOT GAS LINE PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 29: Right View

    BOX FIXED ON RIGHT SIDE OF THE CASE SLIDE ELECTRICAL BOX TO FRONT OF THE CASE UNSCREW COVER TO ACCESS COMPONENTS RIGHT VIEW ELECTRICAL BOX LOCATED ON THE RIGHT SIDE OF THE CASE VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 30 LOCATION ON THE FRONT OF THE CASE PROVIDES ACCESIBILITY TO ELECTRICAL COMPONENTS WITHOUT THE NEED TO UNSCREW THE BOX UNSCREW COVER TO ACCESS COMPONENTS PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. THIRD ANGLE...
  • Page 31 NEED TO UNSCREW THE BOX UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. NDARDS / SPECIFICATIONS 4, DIMENSIONS AND TOLERANCES VRL Merchandisers HARACTERISTICS PER EPR-0006 & IDENTIFIED WITH SYMBOL HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. THIRD ANGLE PROJECTION SHEET 3 OF 3...
  • Page 32 7° F and -6° F (evaluated under ASHRAE 72 method). SECTION A-A UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES. THIRD ANGLE PROJECTION SHEET 3 OF 12 PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 33 N.B.: When the instrument is powered on it performs a lamp test, during which time the display and LEDs will flash for several seconds to check that they all function correctly. VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 34: Kdeplus Buttons

    (if active) Opens the Programming Menu start-up it enables (User and Installer parameters) the user to select the • Opens Machine Status menu • Confirms commands application to be loaded. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 35 Deep cooling cycle • Opens Machine Status menu (User and Installer parameters) the user to select the Start/end defrost • Confirms commands application to be loaded. VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. RTN400 Page 21/130...
  • Page 36: Maintenance

    AbrAsive cleAners or scouring pAds ever use cAustic sodA kerosene gAsoline thinner solvents detergents Acids chemicAls or AbrAsives o not use AmmoniA bAsed cleAners on Acrylic pArts PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 37 ’ interior hese destroy merchandiser sealing causing leaks and poor performance • Take care to minimize direct contact between fan motors and cleaning or rinse water. VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 38: Cleaning Condenser Coils

    Do not puncture coils! Do not bend fins. Contact an authorized service technician if a coil is punctured, cracked, or otherwise damaged. All VRL models have the same access panel design for commonality between merchandisers. To remove the front grille perform the following steps: 1.
  • Page 39 1. APPLICABLE STANDARDS / SPECIFICATIONS ASME Y14.5M-1994, DIMENSIONS AND TOLERANCES 2. KEY PRODUCT CHARACTERISTICS PER EPR-0006 & IDENTIFIED WITH SYMBOL VRL3B1A Condensing units 3. MATERIAL- VRL Merchandisers 4. REF - HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A. UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN INCHES.
  • Page 40: Tips And Troubleshooting

    Are the standard shelves in the correct places? Is the product stocked properly? Is the bottom shelf at the proper location? 6. Confirm that the defrost schedule is properly set. Adjusting Closing Torque PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 41 4 are replaceable, we recommend that a severely clicks. If the torque cam and hinge socket are rusted torque rod assembly be replaced. severely rusted, both components should be replaced. VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 42 5. If a door passes the three “open / close” tests, and there is no excessive movement at the top hinge pin, then it is highly unlikely that any components require replacement. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 43 Confirm door switches function. 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 VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 44 ErvIcE SERVICE REPLACING DISPLAY LAMP REPLACING SHELF LAMPS Note: This procedure applies to all VRL models (1-door model is shown in the photos) 1. Disconnect power to the merchandiser. The 1. Disconnect power to the merchandiser. LED fixtures are located behind the top of the Remove the screws at the top of the unit door frame.
  • Page 45 PN_3155541_E REPLACING EVAPORATION PAN HEATER Note: This procedure applies to all VRL models (1-door model is shown in the photos) Remove screws from Fan Plenum. See figure for screws location and drain tube channel. See Figure A Tilt the fan plenum to access to the evap. fan harness connection as well as the light switch.
  • Page 46 Wiring diagrams are shown on the last pages of this manual. After covers are reinstalled, turn power on and verify that heaters are working properly. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 47 PN_3155541_E REPLACING INVERTER (Applies only for VRL2 and VRL3) Unplug the power cord before servicing. Parts may be ordered at Hussmann’s Performance Parts e-store: https://parts.hussmann.com/ Product will be degraded and may spoil if Call toll free: 855-487-7778 allowed to sit in a non-refrigerated area.
  • Page 48 4. Disconnect inverter harness and ground. 5. Take off the inverter screws. 6. Replace inverter with the new one. 7. Reverse the process, and make sure screws are hand-tight and everything is working properly. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 49 PN_3155541_E REPLACING CONDENSER MOTOR Unplug the power cord before servicing. Parts may be ordered at Hussmann’s Performance Parts e-store: https://parts.hussmann.com/ Call toll free: 855-487-7778 Required Tools: • Screwdriver / Philips Tip • 1/4" Allen Wrench 1. Remove product and place in a refrigerated area. Make sure the power is off to the case.
  • Page 50 8. Release motor screws to get to motor / blade assembly. 9. Change failed part. 10. If the only damaged part is the motor, remove blade. 11. Reverse the process and make sure everything is in place and working. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 51: Replacing Compressor

    PN_3155541_E REPLACING COMPRESSOR Unplug the power cord before servicing. Parts may be ordered at Hussmann’s Performance Parts e-store: https://parts.hussmann.com/ Call toll free: 855-487-7778 Required Tools: • Screwdriver / Philips Tip • 1/4" Allen Wrench • Copper Tubing Cutter • Blow Torch 1.
  • Page 52 5. Slide out the condensing unit completely. Be careful using the condensing unit base to pull it out. Make sure not to stress or interfere with other parts. 6. Disconnect all wires and harness from the compressor. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 53 Unplug the power cord before servicing. 3. Make sure there is no refrigerant left in the system. Parts may be ordered at Hussmann’s Performance 4. Slide out the condensing unit. Be careful Parts e-store: using the condensing unit base to pull it https://parts.hussmann.com/...
  • Page 54 5. Remove coil by pulling up and disconnect wires. 6. Release clamps and remove welded joints from the valves. 7. Replace solenoid valves. 8. Reverse the process and make sure everything is in place. PN_3155541_E U.S. & Canada 1-800-922-1919 • Mexico 1-800-890-2900 • www.hussmann.com...
  • Page 55: Technical Information

    Sealed Pressure Switch VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
  • Page 56 ® 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.
  • Page 57 PN_3155541_E Hussmann Corporation 12999 St. Charles Rock Road Bridgeton, MO 63044-2483 www.hussmann.com VRL Merchandisers HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.

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