OWNER’S GUIDE & SERVICE MANUAL
MARVEL UNDERCOUNTER REFRIGERATION
Model: MSRE224-WS81A
WELCOME
Warranty Registration
It is important you register your product warranty after
taking delivery of your appliance. You can register online at
www.marvelrefrigeration.com.
The following information will be
required when registering your
appliance:
Serial Number
Date of Purchase
Dealer’s Name and Address
The serial number can be found on the serial plate which is
located inside the cabinet on the left side near the top.
Online registration
available at
marvelrefrigeration.com
TABLE OF CONTENTS
Tip: Click on any section below to jum
p directly there
Safety
Important Safety Instructions
Installation
Unpacking Your Appliance
Electrical
Handle Installation
Cutout & Product Dimensions
Installing Your Appliance
Side-by-Side & Stacking Installations
Maintenance
Care and Cleaning
Extended Non-Use
Operating Instructions
Using Your Electronic Control
Interior Adjustments
Energy Savng Tips
Service
Obtaining Service
Troubleshooting
Product Liability
Warranty Claims
Ordering Replacement Parts
R600a Specifications
System Diagnosis Guide
Compressor Specifications
Troubleshooting Extended
Control Operation - Service
Thermistor
Defrost
Remove Fan and Cover
Warranty
3
IMPORTANT SAFETY INSTRUCTIONS
Important Safety Instructions
Warnings and safety instructions appearing in this guide
are not meant to cover all possible conditions and
situations that may occur. Common sense, caution and
care must be exercised when installing, maintaining or
operating this appliance.
Recognize Safety Symbols,
Words and Labels
!
WARNING
WARNING - You can be killed or seriously injured
if you do not follow these instructions.
!
CAUTION
CAUTION - Hazards or unsafe practices which could
result in personal injury or property/product damage.
NOTE
NOTE - Important information to help assure a
problem-free installation and operation.
!
WARNING
State of California Proposition 65 Warning:
This product contains one or more chemicals known
to the State of California to cause birth defects or
other reproductive harm.
!
WARNING
State of California Proposition 65 Warning:
This product contains one or more chemicals known
to the State of California to cause cancer.
!
WARNING
WARNING - This unit contains R600a (isobutane)
which is a ammable hydrocarbon. It is safe for
regular use. Do not use sharp objects to expedite
defrosting. Do not damage refrigerant circuit.
4
UNPACKING YOUR APPLIANCE
!
WARNING
EXCESSIVE WEIGHT HAZARD
Use two or more people to move product.
Failure to do so can result in personal injury.
Remove Interior Packaging
Your appliance has been packed for shipment with all parts
that could be damaged by movement securely fastened.
Remove internal packing materials and any tape holding
internal components in place. The getting started guide is
shipped inside the product in a plastic bag along with the
warranty registration card and other accessory items.
Important
Keep your carton and packaging until your appliance has
been thoroughly inspected and found to be in good
condition. If there is any damage, the packaging will be
needed as proof of damage in transit. Afterwards, please
dispose of all items responsibly.
!
WARNING
WARNING - Dispose of the plastic bags which can
be a suocation hazard.
Note to Customer
This merchandise was carefully packed and thoroughly
inspected before leaving out facility. Responsibility for its
safe delivery was assumed by the retailer upon acceptance
of the shipment. Claims for loss or damage sustained in
transit must be made to the retailer.
DO NOT RETURN DAMAGED MERCHANDISE TO THE
MANUFACTURER - FILE THE CLAIM WITH THE
RETAILER.
NOTE
!
CAUTION
If the appliance was shipped, handled or stored in other
than an upright position for any period of time, allow the
appliance to sit upright for a period of at least 24 hours
before plugging in. This will assure oil returns to the
compressor. Plugging the appliance in immediately may
cause damage to internal parts.
!
WARNING
WARNING - Help Prevent Tragedies
Child entrapment and suocation are not problems of
the past. Junked or abandoned refrigerators are still
dangerous, even if they sit outside for “just a few hours”.
If you are getting rid of your old refrigerator, please
follow the instructions below to help prevent accidents.
Before you throw away your old refrigerator or freezer:
• Take o the doors or remove the drawers.
• Leave the shelves in place so children may not
easily climb inside.
5
ELECTRICAL
Do not remove
ground prong
!
WARNING
Electrical Shock Hazard
• Do not use an extension cord with this appliance.
They can be hazardous and can degrade product
performance.
• This appliance should not, under any
• circumstances, be installed to an un-grounded
• electrical supply. Do not remove the grounding
prong from the power cord.
• Do not use an adapter.
• Do not splash or spray water from a hose on the
appliance. Doing so may cause an electrical shock,
which may result in severe injury or death.
Electrical Connection
A grounded 115 volt, 15 amp dedicated circuit is required.
This product is factory equipped with a power supply
cord that has a three-pronged, grounded plug. It must be
plugged into a mating grounding type receptacle in
accordance with the National Electrical Code and
applicable local codes and ordinances. If the circuit does
not have a grounding type receptacle, it is the responsibility
and obligation of the customer to provide the proper power
supply. The third-ground prong should not, under any
circumstances, be cut or removed.
NOTE
Ground Fault Circuit Interrupters (GFCI) are prone to
nuisance tripping which will cause the appliance to shut
down. GFCI’s are generally not used on circuits with power
equipment that must run unattended for long periods of
time, unles required to meet local building codes and
ordinances.
6
HANDLE INSTALLATION
Handle Installation (Solid Door Models)
1. Removethehandle,2screws,and5/32”allenwrench
fromthebagshippedinsidethecabinet.
2. Locatehandleopposideofthehingesandsecurein
placeusingthe2screwsandtheallenwrench.
Right-handhinged
doorshown
Screws
Handle
7
CUTOUT & PRODUCT DIMENSIONS
“A”
“B”
Solid Door
Shown
If necessary, to gain clearance inside the rough-in
opening, a hole can be cut through the adjacent
cabinet and the power cord routed through this hole to
a power outlet. Another way to increase the available
opening depth is to recess the power outlet into the
rear wall to gain the thickness of the power cord plug.
Not all recessed outlet boxes will work for this
application as they are too narrow, but a recessed
outlet box equivalent to Arlington #DVFR1W us
recommended for this application.
“C”
“D”
ROUGH-IN OPENING DIMENSIONS CABINET DIMENSIONS
“A” “B” “C” “D” “E” “F” “G” “H” “J”
24”
(61 cm)
31 1/4” to 32 1/4”
(79.4 cm to 81.9 cm)
24”
(61 cm)
23 7/8”
(60.7 cm)
31” to 32”
(78.7 cm to 81.3 cm)
23 5/8”
(58 cm)
24 7/8”
(63.2 cm)
46 3/8”
(117.8 cm)
25”
(63.5 cm)
“E”
8
CUTOUT & PRODUCT DIMENSIONS
PRODUCT DATA
ELECTRICAL
REQUITEMENTS #
PRODUCT
WEIGHT
115V/60Hz/15A
140 lbs
(63.6 kg)
3” - 4”
(7.6 cm to 10.2 cm)
“D”
“E”
“F”
Solid Door
Shown
21 1/2”
(54.6 cm)
“H”
Minimum rough-in opening is required to be larger than the
adjusted height of the cabinet.
A grounded 15-amp dedication circuit us required. Follow
all local building codes when installing electrical and
appliance.
“G”
9
INSTALLING YOUR APPLIANCE
Select Location
The proper location will ensure peak performance of your
appliance. We recommend a location where the unit will
be out of direct sunlight and away from heat sources. To
ensure your product performs to specications, the
recommended installation location temperature range is
from 55°F to 100°F (13°C to 38°C).
Cabinet Clearance
Ventilation is required from the bottom front of the
appliance. Keep this area open and clear of any
obstructions. Adjacent cabinets and counter top can be
installed around the appliance as long as the front grille
remains unobstructed.
!
WARNING
An optional stacking kit, for 24" wide models, is
required to stack products. Failure to use a stacking kit
could result in personal injury. Contact your dealer or
Marvel customer service at 616-754-5601 to order.
For safety concerns 15" wide models should not be
stacked.
!
CAUTION
Front Grille
Do not obstruct the front grille. The openings within the
front grille allow air to ow through the condenser heat
exchanger. Restrictions to this air ow will result in
increased energy usage and loss of cooling capacity. For
this reason it is important this area to not be obstructed and
the grille openings kept clean. Marvel does not recommend
the use of a custom made grille as air ow may be
restricted.
Front grille
screws
Front Leveling
Legs
Rear
Leveling
Legs
Leveling Legs
Adjustable legs at the front and rear corners of the
appliance should be set so the unit is rmly positioned on
the oor and level from side to side and front to back. The
overall height of your Marvel appliance may be adjusted
higher (by turning the leveling leg out, CCW) and lower (by
turning the leveling leg in, CW).
To adjust the leveling legs, place the appliance on a solid
surface and protect the oor beneath the legs to avoid
scratching the oor. With the assistance of another person,
lean the appliance back to access the front leveling legs.
Raise or lower the legs to the required dimension by turning
the legs. Repeat this process for the rear by tilting the
appliance forward using caution. On a level surface check
the appliance for levelness and adjust accordingly.
The front grille screws may be loosened and the grille
adjusted to the desired height. When adjustment is
complete tighten the two front grille screws.
Front grille
Front grille screw
10
SIDE-BY-SIDE & STACKING INSTALLATION
Side-by-Side Installation
Two units may be installed side-by-side. Cutout width for a
side-by-side installation is the cutout dimension of a single
unit times two. No trim kit is required. However, 1/4"
(6 mm) of space needs to be maintained between the units
to ensure unobstructed door swing. Units must operate
from separate, properly grounded electrical receptacles
placed according to each unit’s electrical specications
requirements.
Side-by-Side Installation with Bracket
1. Slide both units out so screws on top of units are easily
accessible.
2. Remove screws as shown below.
3. Place bracket over holes and attach to unit with two
screws removed in step 2 using a T-25 Torx driver.
Tighten screws fully.
4. Gently push units into position. Be careful not to entan-
gle the electrical cord or water line, if applicable.
5. Re-check the leveling, from front to back and side to
side. Make any necessary adjustments. The unit’s top
surface should be approximately 1/8" (3 mm) below the
countertop.
11
USING YOUR ELECTRONIC CONTROL
Control Function Guide
Function Command Notes
ON/OFF Press and release. Unit will immediately turn ON or OFF.
Adjust Temperature Press or and release.
When the display is ashing, press or to adjust the set
point temperature.
Adjust Light Color
Hold and press and release . Press to
scroll through lighting options.
Option Open Door Closed Door
White White
BrightShield® BrightShield®
(default) White BrightShield®
Toggle Interior Light - Door
Closed
Press and release to toggle interior light
options; press again to deactivate.
Toggle depends on light color option above. Light output 50%.
Toggle between °F/°C Hold and for 5 seconds. The display will change units.
Hide Display Hold and press .
Display will turn o when door is closed. Unit will continue to
operate. Repeat command to turn on display.
Enable Sabbath Mode Press and hold for 5 seconds and release.
The
°
F /
°
C symbol will ash briey after 5 seconds. Interior
light and display will go dark and remain so until user resets
mode - unit continues to operate.
Disable Sabbath Mode Press and release. Display and interior light return to normal operation.
Showroom Mode Hold and for 5 seconds.
The
°
F /
°
C symbol will ash. Display will be lit and interior light
will function. Unit will not cool. Repeat command to return to
normal operation.
Door Alert Notication
When the door is left open for more than 30 minutes:
• A tone will sound for several seconds every minute
• will appear in display
• Close door to silence alert and reset
First Use
Initial startup requires no adjustments. When plugged in, the unit will
begin operating under the factory default settings. If the unit was turned o
during installation, simply press and the unit will immediately switch on.
To turn the unit o, press .
Temperature displayed reects actual temperature inside unit. If the
temperature displayed is dierent than selected, the unit is progressing
towards the selected temperature. Time to reach set point varies based
upon ambient temperature, temperature of product loaded, door openings,
etc. Marvel recommends allowing the unit to reach set points before
loading.
NOTE
12
USING YOUR ELECTRONIC CONTROL
BrightShield®
This model includes BrightShield® with Vyv™ Antimicrobial Light Technology.
BrightShield®
• Kills* and prevents the growth of viruses, bacteria, fungi, yeasts, mold, and mildew
• Provides continuous antimicrobial action to keep surfaces clean
• Is approved for continuous use around people, pets, & plants
• Reduces odors caused by bacteria, fungi, yeasts, mold, and mildew
• Creates a cleaner environment for food, beverages, & ice
* Testing on a non-enveloped virus (MS2 bacteriophage) showed a 97.12% reduction in controlled laboratory testing in 8 hours on hard surfaces. Testing
on SARS-CoV-2 (enveloped virus) showed a 98.45% reduction in controlled laboratory testing in 4 hours on hard surfaces. Testing on MRSA E. coli
showed 90%+ reduction in controlled laboratory testing in 24 hours on hard surfaces. Results may vary depending on the amount of light that is reaching
the surfaces in the space where the product is installed and the length of time of exposure. Use of Vyv™ Antimicrobial Light Technology is not intended
to replace manual cleaning and disinfection practices.
BrightShield® is most eective when used continuously. Your unit is factory-set to use BrightShield® lighting
whenever the door is closed and standard bright white when the door is open. See Control Operations sections for details
and other options.
For more information about BrightShield® visit www.marvelrefrigeration.com
For more information about Vyv™ Antimicrobial Light Technology visit www.vyv.tech
13
INTERIOR ADJUSTMENTS
To install or remove a shelf:
Remove stored product from the shelf. Do not try to remove
a loaded shelf from the appliance. Grasp the shelf front with
both hands, rotate the front upward and lift out. To install
a shelf insert the shelf in the appliance and insert the top
hooks into the shelf support slots and drop the shelf down
so the hooks drop over the bottom of the slots.
Shelf support
slot
Installed shelf
tang
Make sure your cantilever shelf is secure on the shelf
supports by pressing down on the shelf before loading.
!
CAUTION
Grasp the shelf by the front with
both hands and rotate the front
of the shelf up, then lift the shelf
up and remove the shelf from the
shelf ladders.
!
CAUTION
Never try to move a loaded shelf, remove everything from
the shelf before moving. Use both hands when moving the
shelf.
Figure 16a
Rear tang
(hook) on
shelf
Shelf load limit is 35 lbs. Overloading the shelf could
result in deection and risk of injury.
!
CAUTION
14
CARE & CLEANING
Front Grille
Be sure that nothing obstructs the required air ow
openings in front of the cabinet. At least once or twice a
year, brush or vacuum lint and dirt from the front grille are.
SHOCK HAZARD: Disconnect electrical power from the
appliance before cleaning with soap and water.
Cabinet
The painted cabinet can be washed with either a mild soap
and water and thoroughly rinsed with clear water. NEVER
use abrasive scouring cleaners.
Interior
Wash interior compartment with mild soap and water. Do
NOT use an abrasive cleaner, solvent, polish cleaner or
undiluted detergent.
Care of Appliance
1. Avoid leaning on the door, you may bend the door
hinges or tip the appliance.
2. Exercise caution when sweeping, vacuuming or
mopping near the front of the appliance. Damage to the
grille can occur.
3. Periodically clean the interior of the appliance as
needed.
4. Periodically check and/or clean the front grille as
needed.
In the Event of a Power Failure
If a power failure occurs, try to correct it as soon as
possible. Minimize the number of door openings while the
power is o so as not to adversely aect the appliance's
temperature.
Light assembly replacement
All models use an LED to illuminate the interior of the
appliance. This component is very reliable, but should it fail,
contact a qualied service technician for replacement of the
LED.
!
CAUTION
15
ENERGY SAVING TIPS
The following suggestions will minimize the
cost of operating your refrigeration appliance.
1. Do not install your appliance next to a hot appliance
(cooker, dishwasher, etc.), heating air duct, or other
heat sources.
2. Install product out of direct sunlight.
3. Ensure the front grille vents at front of appliance be-
neath door are not obstructed and kept clean to allow
ventilation for the refrigeration system to expel heat.
4. Plug your appliance into a dedicated power circuit. (Not
shared with other appliances).
5. When initially loading your new product, or whenever
large quantities of warm contents are placed with-
in refrigerated storage compartment, minimize door
openings for the next 12 hours to allow contents to pull
down to compartment set temperature.
6. Maintaining a relatively full storage compartment will
require less appliance run time than an empty compart-
ment.
7. Ensure door closing is not obstructed by contents
stored in your appliance.
8. Allow hot items to reach room temperature before plac-
ing in product.
9. Minimize door openings and duration of door openings.
10. Use the warmest temperature control set temperature
that meets your personal preference and provides the
proper storage for your stored contents.
11. When on vacation or away from home for extended
periods, set the appliance to warmest acceptable tem-
perature for the stored contents.
12. Set the control to the “o” position if cleaning the
appliance requires the door to be open for an extended
period of time.
13. For wine storage products:
When serving temperatures are not required, return the
compartment(s) set temperature to the ideal red and white
wine long term storage temperature (13°C / 55°F).
16
EXTENDED NON-USE
Vacation/Holiday, Prolonged Shutdown
The following steps are recommended for periods of
extended non-use:
1. Remove all consumable content from the unit.
2. Disconnect the power cord from its outlet/socket
and leave it disconnected until the unit is returned to
service.
3. If ice is on the evaporator, allow ice to thaw naturally
4. Clean and dry the interior of the unit. Ensure all water-
has been removed from the unit.
5. The door must remain open to prevent formation of
mold and mildew. Open door a minimum of 2" (50 mm)
to provide the necessary ventilation.
Winterization
If the unit will be exposed to temperatures of 40° F (5° C) or
less, the steps above must be followed.
For questions regarding winterization, please call Marvel at
(616) 754-5601.
Damage caused by freezing temperatures is not covered
by the warranty.
!
CAUTION
17
OBTAINING SERVICE
If Service is Required:
• If the product is within the rst year warranty period
please contact your dealer or call Marvel Customer
Service at 616.754.5601 for directions on how to obtain
warranty coverage in your area.
• If the product is outside the rst year warran-
ty period, Marvel Customer Service can provide
recommendations of service centers in your area. A
listing of authorized service centers is also available
at www.marvelrefrigeration.com under the service and
support section.
• In all correspondence regarding service, be sure to
give the service number, serial number, and proof of
purchase.
• Try to have information or description of nature of the
problem, how long the appliance has been running, the
room temperature, and any additional information that
may be helpful in quickly solving the problem.
• The table below is provided for recording pertinent
information regarding your product for future reference.
For Your Records
Date of Purchase
Dealer’s name
Dealer’s Address
Dealer’s City
Dealer’s State
Dealer’s Zip Code
Appliance Serial Number
Appliance Service Number
Date Warranty Card Sent (Must
be within 10 days of purchase).
18
TROUBLESHOOTING
Before Calling for Service
If you think your Marvel product is malfunctioning, read the
Control Operation section to clearly understand the
function of the control.
If the problem persists, read the Normal Operating Sounds
and Troubleshooting Guide sections below to help you
quickly identify common problems and possible causes and
remedies. Most often, this will resolve the problem without
the need to call for service.
If Service Is Required
If you do not understand a troubleshooting remedy, or your
product needs service, contact Marvel Refrigeration directly
at 616.754.5601.
When you call, you will need your product Model and Serial
Numbers. This information appears on the Model and Se-
rial number plate located on the upper right or rear wall of
the interior of your product.
Normal Operating Sounds
All models incorporate rigid foam insulated cabinets to
provide high thermal eciency and maximum sound
reduction for its internal working components. Despite this
technology, your model may make sounds that are
unfamiliar.
Normal operating sounds may be more noticeable because
of the unit’s environment. Hard surfaces such as cabinets,
wood, vinyl or tiled oors and paneled walls have a
tendency to reect normal appliance operating noises.
Listed below are common refrigeration components with a
brief description of the normal operating sounds they
make.
Your product may not contain all the
components listed.
NOTE
• Compressor: The compressor makes a hum or pulsing-
sound that may be heard when it operates.
• Evaporator: Refrigerant owing through an evaporator-
may sound like boiling liquid.
• Condenser Fan: Air moving through a condenser may-
be heard.
• Automatic Defrost Drain Pan: Water may be heard
dripping or running into the drain pan when the unit is
in the defrost cycle.
Troubleshooting Guide
Troubleshooting - What to check when problems occur:
!
WARNING
ELECTROCUTION HAZARD - Never attempt to
repair or perform maintenance on the unit before
disconnecting the main electrical power.
Problem Possible Cause and Remedy
Interior Light
Does Not
Illuminate
If the unit is cooling, it may be in
Sabbath mode.
Light Remains
on When Door
Is Closed.
Turn o light switch if equipped.
Adjust light actuator bracket on bottom
of door.
Unit Develops
Frost on
Internal
Surfaces.
Ensure the door is closing and sealing
properly.
Unit Develops
Condensation
on External
Surfaces.
The unit is exposed to excessive
humidity. Moisture will dissipate as
humidity levels decrease.
Product is Not
Cold Enough
Air temperature does not indicate
product temperature. See Checking
Product Temperature. below.
Adjust the temperature to a cooler
set point. Ensure unit is not located
in excessive ambient temperatures or
in direct sunlight. Ensure the door is
closing and sealing properly.
Ensure the interior light has not
remained on too long. Ensure noth-
ing is blocking the front grille, found at
the bottom of the unit.
Ensure the condenser coil is clean
andfree of any dirt or lint build-up.
19
TROUBLESHOOTING
Checking Product Temperature
To check the actual product temperature in
the unit:
1. Partially ll a plastic (nonbreakable) bottle with water
2. Insert an accurate thermometer.
3. Tighten the bottle cap securely.
4. Place the bottle in the desired area for 24 hours.
5. Avoid opening the unit during the testing period.
6. After 24 hours, check the temperature of the water.
If required, adjust the temperature control in a small
increment (see Control Operation).
Causes which aect the internal temperatures
of the cabinet include:
• Temperature setting.
• Ambient temperature where installed.
• Installation in direct sunlight or near a heat source.
• The number of door openings and the time the door is
open.
• The time the internal light is illuminated. (This mainly
aects product on the top rack or shelf.)
• Obstruction of front grille or condenser.
20
PRODUCT LIABILITY
Field service technicians are authorized to make an initial
assessment in the event of reported damages. If there are
any questions about the process involved, the technician
should call Marvel for further explanation.
While inspecting for defects or installation issues, photos
should be taken to document any damages or issues
found.
During the assessment, if the service technician is able to
nd the source of the damage and it can be resolved by
replacement of a part, the servicer is authorized to replace
the part in question. The part that caused the damage
must be returned to Marvel in its entirety. The part must
be clearly labeled with the serial number of the unit it was
removed from, the date, and the servicer who removed the
part.
If the service technician determines the damage is the
result of installation issues (water connection/drain, etc.),
the consumer would be notied and the issues shall be
resolved at the direction of the consumer.
If damage is evident and the service technician is
unable to nd the source, Marvel must be contacted at
616.754.5601 for further direction.
1260 E. Van Deinse St. • Greenville, MI 48838
T: 616.754.5601
Website: www.marvelrefrigeration.com
The original refrigeration experts since 1892.
21
WARRANTY CLAIMS
The following information denes the parameters for ling a
warranty claim:
• Valid serial number needed
• Valid model number needed
• Claims must be submitted online at
www.marvelservice.com
• 60 day submittal deadline from date of completed
service
• Only one repair or unit per warranty claim
• Part order numbers will be required when submitting for
warranty labor
Units must be registered prior to warranty submittal
Customers may register at www.marvelrefrigeration
com/warranty-registration. A proof of purchase is required.
We also accept the following information to update warranty:
• New construction occupancy documents
• Closing paperwork
• Final billing - Remodel
Warranty parts will be shipped at no charge after Marvel
conrms warranty status. Please provide the model, serial
number, part number and part description. Some parts will
require color or voltage information.
17 14862 05 0527
Year MonthFactory
Use Only
Factory
Use Only
22
ORDERING REPLACEMENT PARTS
Parts may be ordered online at partsformarvel.com.
Or contact:
www.marvelrefrigeration.com (Servicers choose "Login" for
service account).
Phone Number: (616) 754-5601
NOTE
Use only genuine Marvel replacement parts. The
use of non-Marvel parts can reduce performance,
damage the unit, and void the warranty.
Warranty parts will be shipped at no charge after Marvel
conrms warranty status. Please provide the model, serial
number, part number and part description. Some parts will
require color or voltage information.
Marvel requires the return of original parts, we will inform
you when the parts order is taken. This requirement will
be noted on your packing list. A prepaid shipping label will
be emailed to you. Please enclose a copy of the parts
packing list and be sure the model and serial numbers are
legible on the paperwork. Tag the part with the reported
defect.
Customers and non-authorized servicers may order non-
warranty parts at www.partsformarvel.com. Authorized
servicers with a servicer login may order non-warranty
parts at www.marvelrefrigeration.com.
23
R600A SPECIFICATIONS
R600A Specications & Handling
!
WARNING
Flammability warnings for a pure-iso-butane
refrigerant.
Gloves and Eye Protection must be used.
R-600a is considered non-toxic, but is ammable when
mixed with air.
Keep a dry powder type re extinguisher in the work area.
R-600a is heavier than air, do not allow any leakage/migra-
tion to low areas such as basements and stairs.
Never use a torch on a fully charged refrigeration system.
Never substitute Marvel OEM replacement parts or
methods of construction.
R-600a must be stored and transported in approved
containers.
24
R600A SPECIFICATIONS
!
WARNING
Only skilled and well trained service technicians
permitted to service R-600a equipped products.
All tools and equipment must be approved for use with
R-600a refrigerant.
Local, state and federal laws, standards must be
observed along with proper certication and licensing.
Ventilation is required during servicing.
No conversions to R-600a from any other refrigerants.
OEM R-600a equipped unit only.
Service area must be free of ignition sources.
No smoking is allowed in the service area.
All replacement electrical components must be OEM
and installed properly (sealed and covered).
If the evaporator is cold prior to service, it must be
thawed prior to service.
When using a vacuum pump, start pump before
opening refrigeration system.
Vacuum pump and recovery equipment should be at
least 10 feet from the work area.
It is recommended that a simple LPG gas detector is
on site during service.
Ensure that all R-600a is removed from the system
prior to brazing any part of the sealed system.
Only a clean, dry leak free system should be charged
with R-600a.
R-600A Specications/Labeling
R-600a equipped products are labeled (both the unit and
the compressor).
R-600a is colorless and odorless.
R-600a is considered non-toxic, but is ammable when
mixed with air.
Do not remove or alter any R-600a labeling on the product.
Use only a refrigerant grade R-600a from a properly
labeled container.
Recovering/Reclaiming R-600A
(R-600a has been exempted from recovery/reclaiming
requirements by the US EPA)
Recovery/Reclaiming equipment must be approved for use
with R-600a.
Ensure the evaporator is at room temperature prior to
recovery/reclaiming R-600a.
Use a common piercing pliers or piercing valve to remove
R-600a from the compressor process tube. (Note: Pierc-
ing devices must not be left on the system and must be
replaced with a Schrader type valve).
25
R600A SPECIFICATIONS
Evacuate/reclaim via the piecing pliers to ensure the
system is empty of R-600a before any system work is
performed.
The recovery cylinder must be evacuated (no air inside)
prior to accepting R-600a.
The recovery cylinder must not be lled more than 45%
safe ll level and refrigerants must not be mixed.
The recovery cylinder must be clearly marked with R600a
and Flammable Warning labels.
Ensure proper ventilation during recovery/reclaiming of
R600a.
Start vacuum pump/recovery pump prior to piercing the
compressor process tube.
Follow recovery/reclaim OEM instructions for the specic
equipment used.
System Repair
Ensure no residual R-600a refrigerant is left within the
system prior to repair (simple venting is not sucient).
Evacuate and charge with dry nitrogen for leak checks.
Repair leaks or replace system parts as required.
When re-brazing, the system must be purged with
dry nitrogen and at least one access point open to the
atmosphere.
When re-brazing, proper ventilation is required along with
constant monitoring for the presence of R600a refrigerant.
The lter dryer must be replaced any time the sealed
system is serviced.
No system should be open to the atmosphere for longer
than 15 minutes to avoid moisture migration into the system
components.
Leak Detection
After removal of the R-600a, the unit can be charged with
dry nitrogen or helium.
Electronic leak detection or soap solution can be used
tocheck for nitrogen/helium leaks.
Never use a halide torch or lighted match to check the
system for leaks at any time.
The high side of the refrigeration system (compressor
discharge to outlet of drier) must be leak tested with the
compressor running.
26
R600A SPECIFICATIONS
The low side of the refrigeration system (evaporator,
compressor and suction line) must be leak tested with the
compressor o (equalized pressure).
Recharging
No air is ever to be allowed inside the refrigeration system
(R-600a refrigerant or dry nitrogen only).
Never use a torch on a fully charged refrigeration system.
Install a Schrader Type access port on the compressor
process stub.
Evacuate the system to 100 microns prior to charging.
Weigh in the R-600a charge using a refrigerant scale (run
compressor an extra two minutes to clear the charging
hoses).
Seal the Schrader Type access port, a proper cap and seal
must be used to close the system.
S
ummary
Safely handling R-600a requires proper procedures and
training.
R-600a approved service tools must be used.
R-600a labeling must not be removed or altered.
Proper ventilation during service is required.
Never apply a torch to a charged R-600a refrigeration
system.
Use OEM replacement service parts and do not alter the
construction of the unit.
27
SYSTEM DIAGNOSIS GUIDE
Refrigeration System Diagnosis Guide
System
Condition
Suction
Pressure
Suction
Line
Compressor
Discharge
Condenser Capillary
Tube
Evaporator Wattage
Normal Normal Slightly
below room
temperature
Very hot Very hot Warm Cold Normal
Overcharge Higher than
normal
Very cold
may frost
heavily
Slightly warm
to hot
Hot to warm Cool Cold Higher than
normal
Undercharge Lower than
normal
Warm - near
room
temperature
Hot Warm Warm Extremely
cold near
inlet - Outlet
below room
temperature
Lower than
normal
Partial
Restriction
Somewhat
lower than
normal
vacuum
Warm - near
room
temperature
Very hot Top passes
warm -
Lower
passes cool
(near room
temperature)
due to liquid
Room
temperature
(cool) or
colder
Extremely
cold near
inlet - Outlet
below room
temperature
backing up
Lower than
normal
Complete
Restriction
In deep
vacuum
Room
temperature
(cool)
Room
temperature
(cool)
Room
temperature
(cool)
Room
temperature
(cool)
No
refrigeration
Lower than
normal
No Gas 0 PSIG to
25” R
Room
temperature
(cool)
Cool to hot Room
temperature
(cool)
Room
temperature
(cool)
No
refrigeration
Lower than
normal
28
COMPRESSOR SPECIFICATIONS
!
WARNING
Electrocution can cause death or serious injury. Burns
from hot or cold surfaces can cause serious injury.
Take precautions when servicing this unit.
Disconnect the power source.
Do not stand in standing water when working around
electrical appliances.
Make sure the surfaces you touch are not hot or
frozen.
Do not touch a bare circuit board unless you are
wearing an anti-static wrist strap that is grounded to an
electrical ground or grounded water pipe.
Handle circuit boards carefully and avoid touching
components.
EMC46CLC
Refrigerant R600A
Voltage 115 VAC
Frequency 60 Hz
Start Winding 5 Ohm at 77°F
Run Winding 7 Ohm at 77°F
Run to Start 12 Ohm at 77°F
LRA 8.0 A
FLA 2.18A
Starting Device Run Cap 12VF 250V P2
Overload OLP 4TM302KFBYY5
*All resistance readings are + 10%.
29
TROUBLESHOOTING EXTENDED
!
CAUTION
Never attempt to repair or perform maintenance on the unit
until the main electrical power has been
disconnected from the unit.
Specic Errors and Issues
The advanced diagnostic capabilities of the electronic
controls utilized on the 1, 3, and 5 Class units allow for
easy and thorough troubleshooting.
Navigation of the control is the key and is explained in
the Control Operation section of the manual, along with
control button layout, control function descriptions, a
service mode menu and service menu selection
explanations.
Verication of temperature and thermistor performance can
be identied by directly viewing thermistor readings in the
service mode.
Included in this section are some diagnostic tips; if
additional help is required, please contact Marvel at
616.754.5601 for assistance.
Normal Operating Sounds
All models incorporate rigid foam insulated cabinets to
provide high thermal eciency and maximum sound
reduction for its internal working components. Despite
this technology, your model may make sounds that are
unfamiliar.
Normal operating sounds may be more noticeable because
of the unit’s environment. Hard surfaces such as cabinets,
wood, vinyl or tiled oors and paneled walls have a
tendency to reect normal appliance operating noises.
Listed below are common refrigeration components with a
brief description of the normal sounds they make.
Your product may not contain all the components listed.
• Compressor: The compressor makes a hum or pulsing
sound that may be heard when it operates.
• Evaporator: Refrigerant owing through an evaporator
may sound like boiling liquid.
• Condenser Fan: Air moving through a condenser may
be heard.
• Automatic Defrost Drain Pan: Water may be heard
dripping or running into the drain pan when the unit is
in the defrost cycle.
Solenoid Valves: An occasional clicking sound may be
heard as solenoid valves are operated.
NOTE
30
TROUBLESHOOTING EXTENDED
31
TROUBLESHOOTING EXTENDED
Main Control
The main control board is very robust and is rarely the
cause of system issues. It is important to fully diagnose
the board for any suspected failures before attempting
to remove the board for replacement or service. Follow
the guidelines below to fully test and diagnose the main
control.
Power Fault
If the unit does not (or seems to not) power on, follow the
ow chart below to help diagnose the issue. Before
beginning it is important to rst verify the unit is not simply
set to sabbath mode.
!
CAUTION
Precautions must be taken while working with live
electrical equipment. Be sure to follow proper safety
procedures while performing tests on live systems.
Rocker Switch
A rocker switch is used to monitor door state. When the
door is closed it comes into contact with the rocker which
closes a circuit which turns the light and display o. When
the door is open the rocker moves outward and opens the
circuit. If the door is left open for longer than 5 minutes
the switch will trigger an error code and set an audible
warning.
32
CONTROL OPERATION-SERVICE
UI Button Layout
1. Hidden Button
-Access Service Menu
-No LED directly above. All LEDs turn on with button
2. Up Button
-Increases temperature
-Navigates through service menu
3. Down Button
-Decreases temperature
-Navigates through service menu
4. Light Button
-Activates light for 3 hours on select models
-Used to select items in service menu
5. Power Button
-Turns unit o/on
6. Clean Button
-Toggles temperature between zones in Dual-Zone
models.
-Hold down (-) button and press clean button to
toggle temperature between zones in Dual-Zone
models.
-White light display = upper zone
-Blue light display = lower zone
Showroom Mode
This mode is designed to show units in a display
environment. When in this mode the only functions will be
the control and cabinet lights. The compressor, fans, etc.
will not operate. To enter/exit this mode hold the light key
and the power key for 5 seconds. The display will ash
once and beep and the degree symbol will begin to ash.
When the degree symbol is ashing the unit will allow the
use of the control for demonstrations. The unit can be left
in this mode indenitely.
Service Mode
This mode has options available for service diagnostics.
To enter the mode hold the hidden key for 10 seconds.
The display will show "01." When in this mode use the up
and down arrows to select the desired option. The LIGHT
key is the ENTER key and will initiate the function. If
changing a setting, you must press the LIGHT key again
to retain the changed setting. To exit the service mode
scroll to option "00" and press the LIGHT key. After Ave
minutes of not touching any keys the mode will also exit
automatically.
1 2 3
4
5
6
Control Function Guide
Function Command Display/Options
ON/OFF Press and
release
Unit will immediately
turn ON or OFF
Sabbath Mode See "Sabbath
Mode" section
33
THERMISTOR
Thermistors
Thermistors are used for various temperature readings.
Thermistors provide reliable temperature readings using a
resistance which varies based on surrounding
temperatures. If a faulty thermistor is suspected it may be
tested using an accurate ohmmeter.
Both thermistors in the unit are identical. If a thermistor is
suspected of being defective, the resistance can be ver-
ied. Place the thermistor in an ice water bath, the resis-
tance should read 16.lk Ohms +/-5% on your meter.
Thermistor connections must be kept clean. A thermistor
connection that has become corroded can cause resistance
values from the thermistor to change as they pass through
a dirty connection to the board.
It is for that reason that we apply dielectric grease to all of
our thermistor connections. Dielectric grease will help to
keep thermistor connections clean and dry.
If you change a thermistor in the unit please re-apply
dielectric grease to the connection. If you encounter a dirty
thermistor connection, you should replace the thermistor
and the thermistor harness.
Thermistor error information can be found in the Control
Operations - Service section.
This unit has three thermistors.
Thermistor one (Zone):
Located along the right hand side wall. It is used to
maintain the operating temperature within that zone.
Thermistor two (Evaporator):
Located on the evaporator. It is used for defrost.
Thermistor three (Load):
Located on the evaporator. It is used for defrost.
Thermistor Failure
Zone Thermistor
If the zone thermistor in the unit fails, the unit will continue
to cool in a backup mode (Self Preservation Mode) to
preserve the integrity of the contents. The unit will
otherwise operate normally.
Evaporator Thermistor
If the evaporator thermistor fails, the unit will rely on a
preset defrost timer during defrost cycles. The unit will
otherwise operate normally. Refer to defrost section.
Load Thermistor
If the temperature in the zone exceeds max or min set
limits, an audible alarm will sound. The UI will also ash
with "HI" for a max limit breach and "LO" for a min limit
breach. NOTE: Alarms will be disabled for the rst 3 hours
after powering on in order to allow the cabinet to cool to set
point.
Thermistor Resistance Data
34
DEFROST
Defrost
This unit defrosts every 4 hours of compressor
runtime for 45 minutes. If you have veried that
the unit does not have an ambient air leak,
utilize the Control Operation - Service section and
adjust unit to defrost every 3 hours for 60 min-
utes. Also, adjust the #2 thermistor to -4 instead
of 0.
35
REMOVE FAN & COVER
Convection Cooling
This unit is equipped with an advanced convection cooling
system. Convection cooling stabilizes cabinet temperature,
cools product faster and increases energy eciency.
Evaporator Fan
The evaporator fan is responsible for circulating warm air
from the refrigeration zone, past the evaporator and back
into the refrigerated zone.
The evaporator fan is factory set to have a 1 minute delay
at the beginning of a cooling cycle. This delay gives the
evaporator time to cool properly before warm air is passed
over it. The fan will continue to run for an additional 2
minutes at the end of a cooling cycle. Fan delay times can
be modied through the service menu.
Evaporator fan operation is also determined by door switch
state. If the door switch circuit opens, the fan will stop.
When the door switch circuit is closed the fan will either
continue running with the cooling cycle, or if not currently
cooling, the fan will run for 1 minute to circulate air and
clear any condensation that may have appeared on glass
doors and shelves.
Note: If the unit is set to sabbath mode, the evaporator
fan will no longer respond to the state of the door switch.
In order to operate eciently, the evaporator fan blade
and vents should be unobstructed and free of any dust
buildup.
Evaporator Fan Replacement
Should the evaporator fan need to be replaced follow the
steps below.
1. Remove any product from the unit.
2. Remove unit from cabinetry to access rear.
3. Disconnect power to the unit.
4. Remove back panel from unit.
5. Disconnect fan electrical connection at rear of unit.
6. Remove insulating foam from refrigerant line
passthrough hole as needed to gain clearance for fan
plug.
7. Remove internal shelving.
8. Remove evaporator cover screws.
9. Grasp evaporator cover, pull forward and up as bottom
of cover is installed behind the front edge of the drain
trough.
10. While pulling the evaporator cover clear of the unit, it
may be necessary to use your free hand to manipulate
the fan plug end through the pass-through hole.
11. Remove the 4 screws mounting the fan shroud to the
evaporator plate.
12. Remove and replace fan. Take special care to properly
route fan wire.
36
REMOVE FAN & COVER
NOTE
Fan must be oriented to pull air in through lower
evaporator cover vents and push air out at fan
mounting location.
13. Installation is the reverse of removal.
14. Care must be taken to assure the bottom of the
evaporator cover is reinstalled behind the front edge of
the train trough.
15. Use sealant gum to seal any openings at rear of unit
before replacing rear cover.
16. Reinstall unit taking care to level, space and secure as
found.
37
WARRANTY
ONE YEAR LIMITED PARTS & LABOR WARRANTY
For one year from the date of original purchase, this warranty covers all parts and labor to repair or replace any part of the product that proves to
be defecve in materials or workmanship. For products installed and used for normal residenal use, material cosmec defects are included in this
warranty, with coverage limited to 60 days from the date of original purchase. All service provided by Marvel under the above warranty must be
performed by a Marvel factory authorized servicer, unless otherwise specied by Marvel. Service provided during normal business hours.
TWO YEAR LIMITED PARTS & LABOR WARRANTY (MARVEL PROFESSIONAL PRODUCTS)
For two years from the date of original purchase, this warranty covers all parts and labor to repair or replace any part of the product that proves to
be defecve in materials or workmanship. For products installed and used for normal residenal use, material cosmec defects are included in this
warranty, with coverage limited to 60 days from the date of original purchase. All service provided by Marvel under the above warranty must be
performed by a Marvel factory authorized servicer, unless otherwise specied by Marvel. Service provided during normal business hours.
AVAILABLE THIRD YEAR LIMITED WARRANTY (MARVEL PROFESSIONAL PRODUCTS)
For designated Marvel Professional product, Marvel oers a one year extension of the two year warranty coverage from the date of purchase, free
of charge. To take advantage of this third year warranty, you must register your product with Marvel within 60 days from the date of purchase at
marvelrefrigeraon.com and provide proof of purchase.
LIMITED FIVE YEAR SEALED SYSTEM WARRANTY
For ve years from the date of original purchase, Marvel will repair or replace the following parts, labor not included, that prove to be defecve in
materials or workmanship: compressor, condenser, evaporator, drier, and all connecng tubing. All service provided by Marvel under the above
warranty must be performed by a Marvel factory authorized servicer, unless otherwise specied by Marvel. Service provided during normal
business hours.
WARRANTY TERMS
These warranes apply only to products installed in any one of the y states of the United States, the District of Columbia, or the ten provinces
of Canada. The warranes do not cover any parts or labor to correct any defect caused by negligence, accident or improper use, maintenance,
instal-laon, service, repair, acts of God, re, ood or other natural disasters. The product must be installed, operated, and maintained in
accordance with the Marvel User Guide.
The remedies described above for each warranty are the only ones that Marvel will provide, either under these warranes or under any warranty
arising by operaon of law. Marvel will not be responsible for any consequenal or incidental damages arising from the breach of these warranes
or any other warranty, whether express, implied, or statutory. Some states do not allow the exclusion or limitaon of incidental or consequenal
damages, so the above limitaon or exclusion may not apply to you. These warranes give you specic legal rights, and you may also have other
rights which vary from state to state.
Any warranty that may be implied in connecon with your purchase or use of the product, including any warranty of merchantability or any
warranty t for a parcular purpose is limited to the duraon of these warranes, and only extends to ve years in duraon for the parts described
in the secon related to the ve year limited warranty above. Some states do not allow limitaons on how long an implied warranty lasts, so the
above limitaons may not apply to you.
• The warranes only apply to the original purchaser and are non-transferable.
• These warranes cover products installed and used for normal residenal use only.
• The warranes apply to units operated outside only if designed for outdoor use by model and serial number.
• Replacement water lters, light bulbs, and other consumable parts are not covered by these warranes.
• The start of Marvel’s obligaon is limited to four years aer the shipment date from Marvel.
• In-home instrucon on how to use your product is not covered by these warranes.
• Food, beverage, and medicine loss are not covered by these warranes.
• If the product is located in an area where Marvel factory authorized service is not available, you may be responsible for a trip charge or
you may be required to bring the product to a Marvel factory authorized service locaon at your own cost and expense.
• Units purchased aer use as oor displays, and/or cered recondioned units, are covered by the limited one year warranty only and no
coverage is provided for cosmec defects.
• Signal issues related to Wi-Fi connecvity are not covered by these warranes.
For parts and service assistance, or to nd Marvel factory authorized service near you, contact Marvel Refrigeraon:
marvelrefrigeraon.com • techsupport@marvelrefrigeraon.com • 616.754.5601
1260 E. Van Deinse St. Greenville, MI 48838
Marvel Refrigeration (Marvel) Limited Warranty
38
Marvel Refrigeration
All specications and product designs subject to change without notice. Such revisions do not entitle
the buyer to corresponding changes, improvements, additions, replacements or compensation for
previously purchased products.
www.marvelrefrigeration.com
1260 E. Van Deinse St.
Greenville MI 48838
616.754.5601
39
