Mainstreet Equipment 829GMC12B User manual
User Manual
Glass Door Merchandisers
Models: 829GMC12B, 829GMC23B, 829GMC49B
Please read and keep these instructions. Indoor use only.
03/2023
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User Manual
Index
Warnings ..........................................................................3
Installation ........................................................................4
Cabinet Location Guides.........................................................4
Electrical...........................................................................5
Temperature Controls..........................................................5
Running a Manual Defrost Cycle ................................................6
Safety/Warning .................................................................6
Operation Maintenance .......................................................7
Troubleshooting ................................................................8
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DANGER Risk of re or explosion. Flammable refrigerant used. To be repaired only by
trained service personnel. Do not puncture refrigerant tubing.
PELIGRO Riesgo de incendio o explosion. Refrigerante inamable utilizado. Para Ser reparado
solamente por personal de servicio calicado. No pinchar la tubería Refrigerante.
DANGER Risque de feu ou d’explosion. Le frigorigène est inammable. Coner les Réparations à un
technicien spécialisé. Ne pas perforer la tubulure contenant le Frigorigene.
CAUTION Risk of re or explosion. Flammable refrigerant used. Consult repair manual/owner’s guide
before attempting to service this product. All safety precautions must be followed.
ATENCION Riesgo de incendio o explosión. Refrigerante inamable utilizado. Consulte El manual de
reparación / guía del propietario antes de intentar dar servicio a este Producto. Deben
cumplir con todas las precauciones de seguridad.
ATTENTION Risque de feu ou d’explosion. Le frigorigène est inammable. Consulter le Manuel du
propriétaire/guide de réparation avant de tenter une réparation. Toutes le Mesures de
sécurité doivent être respectées.
CAUTION Risk of re or explosion due to puncture of refrigerant tubing; follow handling
instructions carefully. Flammable refrigerant used.
ATENCION Riesgo de incendio o explosión debido a la perforacion de la tubería Refrigerante; siga las
instrucciones de manipulación con cuidado. Refrigerante inamable utilizado.
ATTENTION Risque de feu ou d’explosion si la tubulure contentant le frigorigène Est perforée; suivre
les instructions de manutention avec soin. Le frigorigène est Inammable.
CAUTION Risk of re or explosion due to ammable refrigerant used. Follow handling instructions
carefully in compliance with local government regulations.
ATENCION Riesgo de incendio o explosión debido a refrigerante inamable utilizado. Siga las
instrucciones de manipulación con cuidado conforme a las reglas de la Municipalidad.
ATTENTION Risque de feu ou d’explosion si le frigorigène est inammable. Suivre Les instructions de
manutention avec soin conformément aux règlementation Gouvernementale locaux.
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Installation:
Please read this manual thoroughly prior to equipment set-up, operation and maintenance.
This unit is intended for use in a temperature-controlled environment less than 75 degrees Fahrenheit and 60% rela-
tive humidity. Malfunction due to improper conditions is not covered under warranty.
Important!!! Please read before Installation
• If the unit has recently been transported on its side, please let the unit stand upright for a minimum of 24 hours
before plugging it in.
• If the shelf has a raised lip, the lip needs to be installed facing up towards the rear of the cabinet to promote
proper air ow. Failure to install the shelves properly is considered user-error and is not covered by warranty.
• Make sure the unit has reached the desired temperature before lading the unit with products. The unit is meant
for keeping cold products cold, not chilling warm products.
• Make sure all accessories are installed (shelves, shelf clips, etc.) before plugging in the unit.
• Make sure that there is proper ventilation around the unit in the area where it will operate.
• Do not attempt to remove or repair any component of the unit. Consult an authorized service technician for
servicing/repair.
• Do not stand inside the unit or hang on doors.
• Please read through this manual in its entirety.
• This refrigerator is designed to perform in a temperature-controlled environment at 60% relative humidity.
The unit should be located away from doors, air ducts, and fans that could disrupt airow and negatively
impact performance.
Cabinet Location Guides:
• Install the unit on a strong and leveled surface.
- If the surface is uneven, the unit may be noisy.
- The unit may malfunction if the surface is uneven.
• Install the unit in an indoor, well-ventilated area away from doors, air ducts, and fans.
- For best performance, always maintain 6” of clearance on the back of the unit.
- Do not use outdoors. For indoor use only.
- Avoid direct sunlight.
• Avoid installation in high humidity and/or dusty area.
- Humidity above 60% can cause the unit to rust, collect condensation, and may decrease eciency.
- Dust collected on the condenser coil may cause the unit to malfunction.
- Malfunctions due to temperatures above 75 degrees Fahrenheit, humidity above 60%, or improperly maintained
condenser coil will void the warranty.
• Select a location away from heat and moisture-generating equipment.
• Do not install the unit inside a closet or alcove.
- Ambient temperatures above 75 degrees Fahrenheit may cause the compressor to malfunction.
Position the merchandiser at its nal location before removing the shipping skid. There are four bolts at the bottom
of the merchandiser that secure the shipping skid. Keep the unit lifted and remove all four bolts to remove the skid.
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Electrical
• Please ensure that the required voltage is being supplied at all times.
• The unit should be plugged into a grounded and properly-sized electrical outlet with appropriate over-current
protection. Please refer to the electrical requirements on the unit's nameplate.
• The unit should have its own dedicated outlet.
• Do not use extension cords.
• Ensure the unit is not resting on or against the electrical cord.
• If the unit is not in use for a ling period of time, please unplug the unit from the outlet.
• To avoid shock and re hazards, do not plug in or unplug the unit with wet hands.
• After unplugging the unit, wait at least 10 minutes before plugging it back in. Failure to do so could cause damage
to the compressor.
Temperature Controls
ADJUSTING THE TEMPERATURE
Your new refrigerator is already factory-set to run at optimum temperatures for food safety and should require no
adjustments.
Refrigerators are set to cycle between a minimum temperature of 33 degrees Fahrenheit and a maximum temperature
of 40 degrees Fahrenheit.
Adjusting the temperature changes the minimum temperature your unit will run at. Your unit will not run constantly at
this setting. To change it, follow these instructions:
DIGITAL CONTROL UNITS
1. Hold down the menu button for 3s, (At this time, the display screen
displays“--”, then background button lights up)
2. Select button and click; At this time, enter temperature setting
interface, the display screen displays the current set value
3. Adjust the downtime temperature value used by the user pressing
" " " ".
4. After the adjustment, click the menu button to return the menu
selection interface;
5. Wait for about 7s, the digital display will automatically save and exit, and
return to the normal display interface.
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Running a Manual Defrost Cycle
This unit is pre-programmed to run an automatic defrost cycle at preset intervals. However, if you would like to run a
manual defrost cycle at any time, please follow the steps below:
Press the defrost button (snowake symbol and down arrow) for approximately 3 seconds. Repeat to stop the defrost
cycle.
DEFROST SYSTEM:
Refrigerator coils are kept below the freezing point (32 degrees Fahrenheit). During compressor downtime, the evapo-
rator fan continues to circulate air through the evaporator coil. This air circulation raises the coil temperature above
the freezing point, melting any accumulated frost. Run-o water is drained into the evaporator pan and evaporated.
Automatic defrost timers automatically initiate at pre-set intervals and for a pre-determined duration.
Safety/Warning
Please pay close attention to the safety notices in this section. Disregarding these notices may lead to serious injury
and/or damage to the unit.
ATTENTION
• To minimize shock and re hazards, be sure not to overload outlet. Please designate one outlet for
your unit.
• Do not use extension cords.
• Do not put your hands under the unit while it is being moved.
• When the unit is not in use for a long period of time, please unplug the unit from the outlet.
• After unplugging the unit, wait at least 10 minutes before plugging it back in. Failure to do so could
cause damage to the compressor.
UNPLUG CORD
• To minimize shock and re hazards, please do not plug or unplug the cord with wet hands.
• During maintenance and cleaning, please unplug the unit.
PROPER GROUNDING REQUIRED
• To minimize shock and re hazards, make sure that the unit is properly grounded.
WARNING
• Do not attempt to remove or repair any component unless instructed by the factory.
• Make sure that the unit is not resting on or against the electrical cord and plug.
• To minimize personal injury, do not hang on the doors.
• Do not store any ammable and explosive gas or liquids inside the unit.
• Do not attempt to alter or tamper with the electrical cord.
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Operation/Maintenance
NOTE: We strongly recommend that any servicing be performed by an authorized service technician.
WARNING: Disconnect power cord before cleaning any parts of the unit.
LOADING PRODUCT
• Do not block the air duct/fan at the top of the unit. Maintain a minimum of 4” of clearance between products
and the fan at all times. Do not block return airow in the front of the unit.
• Ensure all shelves are sitting level and properly secured before loading products.
• Do not store ammable and explosive gas or liquids inside the unit.
CLEANING THE FAN BLADES AND MOTOR
• If necessary, clean the fan blades and motor with a soft cloth.
• If it is necessary to wash the fan blades, cover the fan motor to prevent moisture damage.
CLEANING THE INTERIOR OF UNIT
• When cleaning the cabinet interior, use a solvent of warm water and mild soap.
• Do not use steel wool, caustic soap, abrasive cleaners, or bleach that may damage the interior nish.
• Periodically remove the shelves and shelf brackets from the unit and clean them with mild soap and warm water.
• A dusty condenser may lead to high energy consumption, less cooling eectiveness, and compressor damage.
CLEANING THE CONDENSER COIL
• For ecient operation, keep the condenser surface free of dust, dirt, and lint.
• We recommend cleaning the condenser coil at least once per month.
• Clean the condenser with a commercial condenser coil cleaner, available from any kitchen equipment retailer.
• Use a soft brush and/or a vacuum to remove any debris. Brush the coil in a vertical direction only.
CONDENSER COIL CLEANING INSTRUCTIONS:
The condenser coil is located at the bottom behind the panel.
1. Disconnect the electrical power from the unit.
2. Remove the front cover and base cover with a screwdriver.
3. Using a soft brush and/or vacuum, remove the dirt, lint, etc. from the nned condenser coil in a vertical direction.
4. Clean the condenser with a commercial condenser coil cleaner, available from any kitchen equipment retailer.
Ex. Noble Chemical Tech Line
5. After cleaning, straighten any bent condenser ns with a n comb.
6. When nished, be sure to reinstall the front cover and base cover.
7. Reconnect the electrical power to the unit.
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Troubleshooting
COMPRESSOR IS NOT RUNNING
Problem Solution
Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker.
Power cord unplugged. Plug in power cord.
Thermostat set too high. Set thermostat to lower temperature.
Cabinet in defrost cycle. Wait for defrost cycle to nish.
CABINET TEMPERATURE IS TOO WARM
Problem Solution
Thermostat is set too high. Set thermostat to lower temperature.
Airow is blocked. Re-arrange products to allow for proper air ow. Make sure there is at least
four inches of clearance from the fan.
Low refrigerant levels. Contact a service technician to check refrigerant levels.
Door is slightly ajar. Make sure door is completely closed.
INTERIOR LIGHT IS NOT WORKING
Problem Solution
Poor switch connection. Turn o light switch and turn it back on.
Bulb is not connected. Make sure the bulb is correctly inserted in the socket.
Bulb has burned out. Replace the bulb.
CONDENSATION IS COLLECTING ON THE CABINET AND/OR FLOOR
Problem Solution
Gasket is not sealing properly. Clean, repair, or replace the gasket as necessary.
Relative humidity is above 60%. Move unit to area below 60% relative humidity or lower humidity level.
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