06/2024
User Manual
Z Series
Reach-In Refrigeration
Models:
Standard Refrigerator Models
#178Z1RHC 29" Solid Door
#178Z1RGHC 29" Glass Door
#178Z2RHC 54" Solid Door
#178Z2RGHC 54" Glass Door
Standard Freezer Models
#178Z1FHC 29" Solid Door
#178Z2FHC 54" Solid Door
WiFi-Enabled Refrigerator Models
#178Z1RGWMS 29" Glass Door
#178Z1RWMS 29" Solid Door
#178Z2RGWMS 54" Glass Door
#178Z2RWMS 54" Solid Door
WiFi-Enabled Freezer Models
#178Z1FWMS 29" Solid Door
#178Z2FWMS 54" Solid Door
Note:
Read this manual in its entirety prior to equipment setup, operation, and maintenance.
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Z Series Reach-In Refrigerators and Freezers
Table of Contents
Warnings ...............................................................................................................................3
Installation ............................................................................................................................4
Electrical ...............................................................................................................................5
Adjusting Temperature .....................................................................................................5
Automatic Alarms ...............................................................................................................6
Manual Defrost ....................................................................................................................7
Safety and Warning............................................................................................................8
Operation and Maintenance ...........................................................................................8
Troubleshooting .................................................................................................................. 10
3029079 3029079
NEMA
5-15P
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Z Series Reach-In Refrigerators and Freezers Z Series Reach-In Refrigerators and Freezers
Warnings
DANGER – RISK OF FIRE OR EXPLOSION. FLAMMABLE REFRIGERANT USED. TO BE REPAIRED ONLY BY
TRAINED SERVICE PERSONNEL. DO NOT PUNCTURE REFRIGERANT TUBING.
PELIGRO – RRIESGO DE INCENDIO O EXPLOSION. REFRIGERANTE INFLAMABLE UTILIZADO. PARA
SER REPARADO SOLAMENTE POR PERSONAL DE SERVICIO CALIFICADO. NO PINCHAR LA TUBERÍA
REFRIGERANTE.
DANGER – RISQUE DE FEU OU D’EXPLOSION. LE FRIGORIGÈNE EST INFLAMMABLE. CONFIER LES
RÉPARATIONS À UN TECHNICIEN SPÉCIALISÉ. NE PAS PERFORER LA TUBULURE CONTENANT LE
FRIGORIGENE.
CAUTION – RISK OF FIRE 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 INFLAMABLE 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 INFLAMMABLE. CONSULTER LE
MANUEL DU PROPRIÉTAIRE/GUIDE DE RÉPARATION AVANT DE TENTER UNE RÉPARATION. TOUTES LE
MESURES DE SÉCURITÉ DOIVENT ÊTRE RESPECTÉES.
CAUTION – RISK OF FIRE 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
INFLAMABLE 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
INFLAMMABLE.
CAUTION – RISK OF FIRE OR EXPLOSION DUE TO FLAMMABLE REFRIGERANT USED. FOLLOW
HANDLING INSTRUCTIONS CAREFULLY IN COMPLIANCE WITH LOCAL GOVERNMENT REGULATIONS.
ATENCION – RIESGO DE INCENDIO O EXPLOSIÓN DEBIDO A REFRIGERANTE INFLAMABLE 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 INFLAMMABLE. SUIVRE LES
INSTRUCTIONS DE MANUTENTION AVEC SOIN CONFORMÉMENT AUX RÈGLEMENTATION
GOUVERNEMENTALE LOCAUX.
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Installation
Read this manual thoroughly prior to equipment setup, operation, and maintenance.
This unit is intended for use in a temperature-controlled environment of less than 75°F and 60%
relative humidity.
Before Installation
•
If the shelf has a raised lip, the lip needs to be installed facing up towards the rear of the cabinet
to promote proper airflow. Failure to install the shelves properly is considered user error and is
not covered by warranty.
•
If the unit has recently been transported on its side, let unit stand upright for a minimum of 24
hours before plugging it in.
•
Make sure that the unit has reached the desired temperature before loading the unit with
products. This unit is meant for keeping cold products cold, not chilling warm products.
•
Make sure that there is proper ventilation around the unit in the area where it will operate.
•
Make sure all accessories are installed (i.e., shelves, shelf clips, casters) before plugging in
the unit.
•
Do not attempt to remove or repair any component of the unit. Consult an authorized service
technician for servicing/repair.
•
Do not hang on doors or stand inside the unit.
•
Read through the manual in its entirety.
•
This unit 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
airflow and negatively impact performance.
Cabinet Location Guidelines
•
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.
• For best performance, maintain clearance of 4” around the top of the unit.
• Do not use outdoors. For indoor use only.
• Avoid direct sunlight.
• Do not store any products, boxes, or materials on top of the refrigerator. This is the area
where the refrigeration system exhausts heat. If blocked, it will cause damage to the
refrigeration system and will void the warranty.
•
Avoid installation in a 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 will cause the unit to malfunction.
• Malfunctions due to temperatures above 75°F, humidity above 60%, or improperly
maintained condenser coil will void the warranty.
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•
Select a location away from heat and moisture-generating equipment.
• Ambient temperatures above 75°F may cause the compressor to malfunction.
• Malfunctions due to ambient temperatures above 75°F will void the warranty.
• Do not install the unit inside a closet or alcove.
Electrical
•
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. 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 long period of time, unplug the unit from the outlet.
•
To avoid shock and fire 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.
Adjusting Temperature
Your new unit 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°F and a maximum
temperature of 40°F.
Freezers are set to cycle between a minimum temperature of -5°F and a maximum temperature
of 2°F.
Adjusting the temperature changes the
minimum
temperature at which your unit will run. Your
unit will not run constantly at this setting. To change it, follow these instructions:
Digital Control Unit
1.
Hold down the menu button for 3 seconds. At this time,
the display screen displays “--,” then the background button
lights up.
2.
Press the button to enter temperature setting interface.
The display screen displays the current set value.
3.
Adjust the downtime temperature value used by pressing
4.
After the adjustment, click the menu button to return to the menu selection interface.
5.
Wait for about 7 seconds. The digital display will automatically save, exit, and return to the
normal display interface.
or
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Always remember to calculate the dierential if you change the minimum temperature setting.
The cabinet temperature will fluctuate up to +7 degrees over your set minimum temperature
as the compressor runs and shuts o. Setting the temperature too high will result in unsafe
maximum temperatures and possible health code violations.
Your Z Series unit compressor will continue to run when the door is left ajar. After 15 minutes
of being left ajar, an audible alarm will sound. At the same time, the display board will
display “dor.”
Automatic Alarms
Automatic alarms are programmed to sound on your unit in the following instances:
Refrigerator Cabinet High / Low Temperature Alarm
•
When the temperature reaches 8°F above your set point for 30 minutes.
•
When the temperature reaches 1°F below your set point for 30 minutes.
•
If the refrigerator is above the temperature of 41°F for 30 minutes.
Freezer Cabinet High / Low Temperature Alarm
•
When the temperature reaches 10.4°F, which is 18°F above your set point, for 30 minutes.
•
When the temperature reaches -13.9°F, which is 6.3°F below your set point, for 30 minutes.
Dirty Condenser Alarm
•
If the internal system determines your condenser to be dirty, an alarm will appear on the display.
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Manual Defrost
This unit is pre-programmed to run automatic defrost cycles at pre-set intervals. However, if you
would like to run a manual defrost cycle at any time, follow the steps below:
1.
Press and hold the menu key for 3 seconds to enter the menu selection interface. At this
time, the display screen displays “--,” then the background button lights up.
2.
Press the button in the upper left corner to start manual defrosting.
3.
Wait for about 7 seconds. The digital display returns to the normal display interface.
Defrost System
Refrigerator coils are kept below the freezing point (32°F). During compressor downtime, the
evaporator 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. Freezer coils are defrosted electrically.
Automatic defrost timers initiate at pre-set intervals and for a pre-determined duration.
Loading the Product
• Do not block the air duct / fan at the top of the unit. Always maintain a minimum of 4" of
clearance between products and the fan.
• Ensure all shelves are sitting level and properly secured before loading products.
• Do not store flammable and explosive gas or liquids inside the unit.
NOTE: Left diagram shows ideal loading
to ensure proper airflow for keeping
product at the correct temperature.
NOTE: Air flows from front to back.
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Safety Warning
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 fire hazards, be sure not to overload outlet. 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, 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 fire hazards, do not plug or unplug the cord with wet hands.
•
Unplug the unit during maintenance and cleaning.
Proper Grounding Required
•
To minimize shock and fire 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 flammable and explosive gas or liquids inside the unit.
•
Do not attempt to alter or tamper with the electrical cord.
Operation Maintenance
DISCONNECT POWER CORD BEFORE CLEANING ANY PARTS OF THE UNIT.
It is strongly recommended that any servicing of the unit be performed by an authorized
service technician.
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.
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•
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 the 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 finish.
•
Wash door gasket(s) on a regular basis, preferably weekly. Simply remove door gasket from
the frame of the door, soak in warm water and soap for thirty (30) minutes, dry with a soft cloth,
and replace.
•
Check door gasket(s) for proper seal after they are replaced.
•
Periodically remove the shelves and shelf brackets from the unit and clean them with mild soap
and warm water.
Cleaning the Exterior of the Unit
•
In order to properly care for the exterior surfaces of your unit, you must regularly clean the
stainless steel.
•
Approved tools are soft cloths, microfibers, sponges, or plastic scouring pads.
•
Do not use steel wool, caustic cleaners, or abrasive cleaners.
•
Excel by Noble Chemical is a water-based aerosol cleaner / polish made to pair with your unit
(item #999EXCEL).
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.
A dusty condenser may lead to high energy consumption, less cooling eectiveness, and
compressor damage.
Condenser Coil Cleaning Instructions
The condenser coil is located at the top 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 finned 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 fins with a fin comb.
6.
When finished, be sure to reinstall the front cover and base cover.
7.
Reconnect the electrical power to the unit.
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Troubleshooting
Problem
Possible Cause
Possible Solution
Compressor
not running.
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 finish.
Condensing units run for
long periods of time.
Excessive amount of water product in
cabinet.
Allow adequate time for product to cool down.
Prolonged door opening or door ajar.
Ensure doors are closed when not in use. Avoid
opening the doors for long periods of time.
Door gasket(s) not sealing properly.
Ensure gasket(s) are snapped in completely. Remove
gasket and wash with soap and water. Check
condition of gasket and replace if necessary.
Dirty condenser coil. Clean the condenser coil (page 9).
Evaporator coil iced over.
Unplug unit and allow coil to defrost. Make sure
thermostat is not set too cold. Ensure that door
gasket(s) are sealing properly.
Cabinet temperature is
too warm.
Thermostat set too warm. Set thermostat to lower temperature.
Airflow blocked.
Rearrange product to allow for proper airflow. Make
sure there is at least 4" of clearance from evaporator.
Excessive amount of warm product
placed in cabinet.
Allow adequate time for product to cool down.
Fuse blown or circuit breaker tripped. Replace fuse or reset circuit breaker.
Dirty condenser coil. Clean the condenser coil (page 9).
Evaporator coil iced over.
Ensure doors are closed when not in use. Avoid
opening doors for long periods of time.
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.
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.
Gasket is not sealing properly. Clean, repair, or replace the gasket as necessary.
Relative humidity is above 60%.
Move unit to area below relative humidity or lower
humidity level.
