Sub-Zero PRO4850G User Manual
PRO REFRIGERATION
USE AND CARE GUIDE
CLEANING, MAINTENANCE, AND MORE
PRO REFRIGERATION
Contents
3 Safety Precautions
4 PRO Features
5 Electronic Controls
6 Storage
8 Operation
11 Care Recommendations
12 Technical Data
13 Troubleshooting
15 Sub-Zero Warranty
WARNING
PROPOSITION 65 FOR CALIFORNIA RESIDENTS
Cancer and Reproductive Harm—
www.P65Warnings.ca.gov
Customer Care
The model and serial number are printed on the enclosed
product registration card. Both numbers are also listed on
the product rating plate. Refer to page 4 for rating plate
location. For warranty purposes, you will also need the date
of installation and name of your authorized Sub-Zero dealer.
Record this information below for future reference.
SERVICE INFORMATION
Model Number
Serial Number
Date of Installation
Certied Service Name
Certied Service Number
Authorized Dealer
Dealer Number
If your product ever needs attention, be sure to use a
Sub-Zero Factory Certied Service provider recommended
by our Customer Care Center, or select one from our list of
providers available at subzero.com/locator. All Factory Certied Service providers are carefully selected and thoroughly
trained by us.
2 | Sub-Zero Customer Care 800.222.7820
Important Note
To ensure this product is installed and operated as safely
and efciently as possible, take note of the following types
of highlighted information throughout this guide:
IMPORTANT NOTE highlights information that is especially
important.
CAUTION indicates a situation where minor injury or product
damage may occur if instructions are not followed.
WARNING states a hazard that may cause serious injury or
death if precautions are not followed.
IMPORTANT NOTE: Throughout this guide, dimensions in
parentheses are millimeters unless otherwise specied.
SAFETY PRECAUTIONS
IMPORTANT INSTRUCTIONS
WARNING
Do not store explosive substances such as
aerosol cans with a ammable propellant in this
appliance.
WARNING
Keep ventilation openings, in the appliance
enclosure or in the built-in structure, clear of
obstruction.
WARNING
Do not use mechanical devices or other means
to accelerate the defrosting process, other than
those recommended by the manufacturer.
WARNING
Do not damage the refrigerant circuit.
WARNING
This symbol indicates risk of re/ammable
materials.
CAUTION
Incorporated ice makers must be installed by the
manufacturer or its service agent.
WARNING
Do not use electrical appliances inside the
food storage compartments of the appliance,
unless they are of the type recommended by the
manufacturer.
WARNING
This appliance is not intended for use by persons
(including children) with reduced physical, sensory
or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
Children should be supervised to ensure they do
not play with the appliance.
WARNING
This symbol indicates pressure.
subzero.com | 3
PRO FEATURES
PRO Features
FEATURES
1
Product Rating Plate (inside drawer)
2
Freezer External Touch Display
3
Refrigerator External Touch Display
4
Air Purication System
5
Glass Shelves
6
Slide-Out Bins
7
Pull-Out Shelf
8
Side Rail Supports
9
Refrigerator Crisper Drawer
10
Removable Crisper Lid
11
Refrigerator Storage Drawer
12
Freezer Storage Drawer
13
Automatic Ice Maker
14
Ice Container
15
Water Filtration System (behind grille)
16
Condenser (behind grille)
2
4
5
7
10
13
1
14
PRO3650 (solid door model)
16
15
3
6
8
9
12
7
1
12
13
14
PRO4850G (glass door model)
16215
3
4
5
6
8
10
9
11
4 | Sub-Zero Customer Care 800.222.7820
INTERACTIVE CONTROLS
Interactive Touch Controls
For initial start up, touch and hold POWER on either
external touch display, located on the grille.
Temperature can be adjusted in one-degree increments.
The left and right external displays control different temperature zones in the unit, but can both access the settings
menu.
EXTERNAL TOUCH DISPLAY
To unlock the display, touch and hold for three seconds.
The display will lock automatically after 30 seconds of inactivity. Refer to the illustrations below.
To adjust the temperature, touch the temperature displayed
next to the corresponding zone icon.
To turn the ice maker on or off or to active max ice, touch
the ice cube(s) icon.
0
3838
SETTINGS
To access the settings menu, touch on either external
touch display.
SETTINGS
Activate or deactivate power to the unit
Enable or disable automatic display lock
Activate, deactivate, or refresh purier life reminder
Enable or disable door/drawer alarm and duration
Enable or disable connect
Enable, disable reminder, or refresh lter life reminder
Enable or disable Sabbath mode
Adjust soft on lighting and accent lighting (if applicable)
Adjust temperature units
Adjust alarm volume and tone
Freezer display
(36" model shown)
Refrigerator display
Select language
View troubleshooting and service information
subzero.com | 5
STORAGE
Keeping Food At Its Best
DUAL REFRIGERATION
This Sub-Zero features a unique Dual Refrigeration® system
to keep food fresher longer. Three separate controls allow
the refrigerator, refrigerator drawer(s), and freezer to be set
at different temperatures.
With the Sub-Zero Dual Refrigeration
refrigerator and freezer systems have been designed to
maintain accurate, consistent temperatures and proper
humidity levels for longer food life expectancy. Dual Refrig-
®
eration
eliminates transfer of fresh food odors to frozen
food and ice and does not freeze the moisture out of the air
in the fresh food section.
For handy tips and information on how to maximize food
freshness, refer to the freshness cards stored in the
refrigerator.
®
®
system, individual
Refrigerator Storage
GLASS SHELVES
To remove or adjust a glass shelf, tilt up, then lift up and out.
To reposition, insert the shelf in the tracks along the back
wall, then lower the front until it locks into position. Refer to
the illustration below.
IMPORTANT NOTE: Use care when handling glass shelves to
prevent breakage or scratching of the interior.
CAUTION
Warm glass shelves to room temperature before
immersing in warm water.
SLIDE-OUT BINS
Integrated rails mounted below the glass shelves allow
slide-out bins to be positioned in a variety of locations. To
remove or adjust a slide-out bin, pull the handle of the bin
forward until it stops, and lift up and out of the rails. Refer to
the illustration below.
6 | Sub-Zero Customer Care 800.222.7820
Glass shelf removal
Slide-out bin removal
STORAGE
Refrigerator Storage
PULL-OUT SHELF
The bottom shelf pulls out for easy access to condiments
and other items commonly stored on door shelves. Adjustable rails keep items snugly in place. To adjust, pull the rail
up and rotate. Refer to the illustration below.
CRISPER LID
To remove the crisper lid assembly, pull the upper refrigerator drawer all the way out, raise the front edge of the
crisper lid up, and pull out from the back. Refer to the
illustration below.
DRAWER DIVIDERS
Long dividers run the full depth of the drawer, with shorter
dividers that connect to the long dividers to compartmentalize the drawer.
To remove the short dividers, lift up and out. The long
dividers cannot be removed.
Freezer Storage
STAINLESS STEEL SHELVES (48" MODELS)
To remove or adjust a shelf, tilt up, then lift up and out. To
install, insert the shelf in the tracks along the back wall, then
lower the front until it locks into position.
ICE CONTAINER
To remove the ice container, pull the drawer out to fullextension, then lift the container up and out.
Storage Drawers
Refrigerator and freezer storage drawers are removable
for cleaning. An automatic stop is built in to prevent the
drawers from coming all the way out unintentionally.
To remove, pull the drawer out to full-extension. Apply
forward pressure to the front of the drawer slide, and pull
up and back on the drawer handle. Refer to the illustration
below.
Pull-out shelf
Crisper lid (48" model shown)
DRAWER
Storage drawer removal
SLIDE
subzero.com | 7
OPERATION
Air Purication System
The advanced air purication system reduces bacteria,
odors, and ethylene gas, which causes premature ripening
in fruits and vegetables. The air purication cartridge has
been factory installed and is located inside the refrigerator
on the back wall.
To initiate air purication, touch
, then touch .
The cartridge will last approximately one year. “Change Air
Purier” will appear on the display when the cartridge needs
to be replaced. Touch “Snooze” to delay the reminder for
24 hours or until cartridge can be replaced. Touch “Refresh”
to reset the life indicator to 100% once the cartridge is
replaced.
Replacement Sub-Zero air purication cartridges can be
ordered online at subzero.com/store. For questions, contact
Sub-Zero Customer Care at 800-222-7820.
CAUTION
The air purication system complies with applicable
federal requirements regarding incidental exposure
to ultraviolet light. Lamp contains mercury. Manage in
accordance with disposal laws. Visit earth911.com or
call 800-222-7820.
AIR PURIFICATION CARTRIDGE REPLACEMENT
1 To access the air purication cartridge, grasp the outside
cover from the bottom and rotate upward. Refer to the
illustration below.
2 Grasp the black cover from the top and rotate down-
ward. The cartridge will pop out and can be removed.
3 Remove the new cartridge from packaging and insert
with the connector pointing downward.
4 Once in position, close the black cover. Then rotate the
outside cover downward until it closes against the back
wall.
5 Once the cartridge has been replaced, follow the instruc-
tions on the display. The cartridge life cycle will reset for
approximately one year.
8 | Sub-Zero Customer Care 800.222.7820
Air purication cartridge
OPERATION
Water Filtration System
The water ltration system supplies ltered water to the ice
maker.
IMPORTANT NOTE: Discard the rst two full containers of ice
after each lter replacement.
If the water ltration system will not be used, it can be
bypassed by removing the water lter.
The lter is rated for 750 gallons
(2839 L) or one year, which-
ever comes rst. “Change Water Filter” will appear on the
display when the cartridge needs to be replaced. Touch
“Snooze” to delay the reminder for 24 hours or until the
cartridge can be replaced. Touch “Refresh” to reset the life
indicator to 100% once the lter is replaced.
Replacement Sub-Zero water lters can be ordered online
at subzero.com/store. For questions, contact Sub-Zero
Customer Care at 800-222-7820.
WATER FILTER REPLACEMENT
1 To access the water lter, rotate the bottom of the grille
upward.
2 To remove the old lter, rotate counterclockwise one-
quarter turn, then pull out. Refer to the illustration below.
It is normal for a small amount of water to drip when
the lter is removed. It should be wiped up with a paper
towel or cloth.
3 Remove the new lter from packaging and remove the
plastic cap.
4 Insert the new lter into the manifold, and turn it
clockwise.
5 Once the new lter has been installed, the water lter life
monitor will automatically reset.
WATER FILTER
Water lter removal
subzero.com | 9
OPERATION
Ice Maker Operation
To initiate ice production, touch on the freezer external
touch display.
start-up, discard the rst few batches of ice. The ice may
contain impurities from new plumbing connections.
Max ice increases ice production up to 30% for a 24-hour
period. Touch
the display.
If ice is not used regularly, it may fuse together. To avoid,
discard the ice and allow the ice maker to replenish.
will be visible in the display. After initial
to activate max ice. will be visible in
Sabbath
This appliance is certied by Star-K to meet strict religious
regulations in conjunction with specic instructions found
on www.star-k.org.
10 | Sub-Zero Customer Care 800.222.7820
CARE RECOMMENDATIONS
Cleaning
INTERIOR CLEANING
To clean interior surfaces and all removable parts, wash with
a mild solution of soap, water, and baking soda. Rinse and
dry thoroughly. Avoid getting water on the lights.
CAUTION
Do not use vinegar, rubbing alcohol, or other alcoholbased cleaners on any interior surface.
STAINLESS STEEL EXTERIOR
Use a nonabrasive stainless steel cleaner and apply with
a soft lint-free cloth. To bring out the natural luster, lightly
wipe the surface with a water-dampened microber cloth
followed by a dry polishing chamois. Always follow the grain
of stainless steel.
CONDENSER CLEANING
CAUTION
Before cleaning the condenser, turn power off to the unit.
Wear gloves to avoid injury from sharp condenser ns.
The condenser is located behind the grille. To access, rotate
the bottom of the grille upward. Use a soft bristle brush and
vacuum to remove dust and lint from the condenser. Clean
the condenser every 6–12 months. Refer to the illustration
below.
IMPORTANT NOTE: To avoid damaging the condenser ns,
vacuum in the direction of the ns.
CAUTION
Failure to clean the condenser could result in temperature loss, mechanical failure, or damage.
VACATIONS
For extended vacations, turn the unit off. Empty the unit and
block doors open to let fresh air in and keep the interior dry.
The water lter should be replaced before start up.
CONDENSER
Condenser location
subzero.com | 11
TECHNICAL DATA
Sub-Zero Water Filtration System Data
REPLACEMENT CARTRIDGE (4204490)
Tested and certied by NSF International against NSF/ANSI Standard 42 for the reduction of Chlorine Taste & Odor,
Particulate Class I; and against NSF/ANSI Standard 53 for the reduction of Lead, Mercury, Atrazine, Benzene, Carbofuran,
1,4-dichlorobenzene, Lindane, Toxaphene, Turbidity, Cysts, and Asbestos.
This system has been tested according to NSF/ANSI 42/53 for reduction of the substances listed below. The concentration of the indicated
substances in water entering the system was reduced to a concentration less than or equal to the permissible limit for water leaving the
system, as specied in NSF/ANSI 42/53.
OPERATING SPECIFICATIONS
Capacity: certied for up to 750 gallons (2,838 L); up to twelve months
Pressure Requirement: 35 – 120 psi (2.8 – 8.2 bar)
Temperature: 33 – 100°F (0.6 – 38°C)
Flow Rate: 0.78 gpm (2.9 Lpm)
Standard
Chlorine, Taste & Odor 42 2.0 mg/L ± 10% 1.88 mg/L 0.05 mg/L 0.06 mg/L 97.34% 96.80% ≥ 50%
Particulate 42
Lead at pH 6.5 53 0.15 mg/L ± 10% 0.153 mg/L <0.001 mg/L <0.001 mg/L 99.34% 99.34% 0.010 mg/L
Lead at pH 8.5 53 0.15 mg/L ± 10% 0.150 mg/L <0.001 mg/L <0.001 mg/L 99.33% 99.33% 0.010 mg/L
Mercury at pH 6.5 53 0.006 mg/L ± 10% 0.006 mg/L 0.0003 mg/L 0.0005 mg/L 95.00% 91.66% 0.002 mg/L
Mercury at pH 8.5 53 0.006 mg/L ± 10% 0.006 mg/L 0.0008 mg/L 0.0015 mg/L 86.66% 75.00% 0.002 mg/L
Atrazine 53 0.009 mg/L ± 10% 0.009 mg/L <0.002 mg/L <0.002 mg/L 77.77% 77.77% 0.003 mg/L
Benzene 53 0.015 mg/L ± 10% 0.014 mg/L 0.0006 mg/L 0.0011 mg/L 95.71% 92.14% 0.005 mg/L
Carbofuran 53 0.08 mg/L ± 10% 0.081 mg/L <0.001 mg/L <0.001 mg/L 98.76% 98.76% 0.04 mg/L
1,4-dichlorobenzene 53 0.225 mg/L ± 10% 0.208 mg/L <0.0005 mg/L <0.0005 mg/L 99.75% 99.75% 0.075 mg/L
Lindane 53 0.002 mg/L ± 10% 0.002 mg/L 0.00003 mg/L 0.00007 mg/L 98.50% 96.50% 0.0002 mg/L
Toxaphene 53 0.015 mg/L ± 10% 0.015 mg/L <0.001 mg/L <0.001 mg/L 93.33% 93.33% 0.003 mg/L
Turbidity 53 11 ± 1 NTU 10.7 NTU 0.31 NTU 0.49 NTU 97.10% 95.42% 0.5 NTU
Cysts** 53 Minimum 50,000/L 166,500/L <1/L <1/L >99.99% >99.99% >99.95%
Asbestos 53 10
**Based on the use of Cryptosporidium Parvum oocysts † Fibers greater than 10 μm in length
Concentration
At least 10,000
particles/ml
7
to 108 bers/L
Inuent Challenge
NSF
Average Inuent
Concentration
5,700,000/ml 30,583/ml 69,000/ml 99.46% 98.78% ≥ 85%
†
155 MF/L <1 MF/L <1 MF/L >99.99% >99.99% >99%
Product Water Concentration % Reduction
Max Permissible
Product Water
ConcentrationSubstance Average Max Efuent Average Minimum
SPECIAL NOTES
• Replacement Sub-Zero water lter cartridges can be ordered online
at subzero.com/store. For questions, contact Sub-Zero Customer
Care at 800-222-7820.
• Change lter cartridge at least every twelve months. High sediment
areas may require more frequent lter cartridge replacement.
• Installation and operation instructions, parts and service availability,
and standard warranty are included with the product when
shipped.
• Replace water lter cartridge when the lter indicator is lit or when
water ow becomes too low. Use replacement water lter cartridge
part number 4204490. Replacement lter pricing information can be
found at subzero.com.
• Do not use with water that is microbiologically unsafe or of unknown
water quality without adequate disinfection before or after the
system.
• Systems certied for cyst reduction may be used on disinfected
waters that may contain lterable cysts.
• This system must be installed, operated and maintained, and lters
must be replaced as required in order for the product to perform as
advertised.
• Note that while the testing was performed under standard labora-
tory conditions, actual performance may vary. The contaminants
or other substances removed or reduced by this water treatment
system are not necessarily in your water.
Manufactured for: Sub-Zero, Inc., P.O. Box 44848, Madison, WI 53744, 800-222-7820
12 | Sub-Zero Customer Care 800.222.7820
TROUBLESHOOTING
Troubleshooting
UNIT OPERATION
No lights or cooling.
• Verify power is on.
• Verify electrical power to the unit and home circuit
breaker is on.
No lights in the refrigerator or freezer.
• The door/drawer may have been left ajar which has
disabled lights to eliminate excess heat. If the lights are
out, close the door/drawer for one hour. If the lights are
still out, contact Sub-Zero Factory Certied Service.
• LED interior lighting must be replaced by Sub-Zero
Factory Certied Service.
Frost, condensation, or ice build up inside the unit.
• Verify the condenser is clean.
• Verify the door/drawer is closing properly.
• Verify the door/drawer has not been left ajar.
• Verify the door/drawer gasket does not have rips or
tears. If it does, contact Sub-Zero Factory Certied
Service.
• If icing is heavy, turn the unit off and use a handheld
steamer to melt the ice. Do not use a hair dryer. Once
the ice has melted, wipe up any water with a cloth or
paper towel.
High temperatures, the unit runs excessively or is giving
off too much heat.
• Verify the condenser is clean.
• Verify the door/drawer is closing properly.
• Verify the door/drawer has not been left ajar.
• Increased ambient temperatures may cause the com-
pressors to run longer.
• If the temperature display shows 38° and 0°, but is not
cooling, the unit may be in showroom mode. Contact
Sub-Zero Customer Care at 800-222-7820.
ODOR
• The unit should be cleaned before using for the rst time.
This will clear any odors that may have been trapped
during shipping.
• Replace the air purication cartridge.
• Clean the unit and shelving thoroughly.
• Uncovered food could create an odor which may require
cleaning.
• Remove and clean the drain pan located behind the
kickplate, and reinstall.
subzero.com | 13
TROUBLESHOOTING
Troubleshooting
ICE PRODUCTION
No ice.
• Verify
or appears in the freezer external display.
• Verify the ice maker has been on for at least 24 hours.
• Verify the freezer temperature is near 0°F.
• Verify the ice container is properly installed.
• Verify the ice maker arm in the down position.
• Verify water is being supplied to the unit.
• Verify the water lter has been replaced within the last 12
months and installed properly.
• Verify the water lter has been removed if a reverse
osmosis ltration system is being used.
Blue or green ice.
• Possible copper supply line corrosion. Contact a
plumber to clean or replace.
Black ecks in the cubes.
SERVICE
• Maintain the quality built into your product by contacting
Sub-Zero Factory Certied Service. For the name of the
nearest Sub-Zero Factory Certied Service, check the
Support & Service section of our website, subzero.com,
or call Sub-Zero Customer Care at 800-222-7820.
• When contacting service, you will need the model and
serial number of your unit. Both numbers are listed on
the product rating plate. Refer to page 4 for rating plate
location.
• For warranty purposes, you will also need the date
of installation and name of your authorized Sub-Zero
dealer. This information should be recorded on page 2.
• Stop use and contact Sub-Zero Factory Certied
Service.
Bad taste.
• Defrost the freezer and clean with soap and water.
• Place coffee grounds or charcoal briquettes in the
freezer to absorb odor.
Hollow cubes.
• Clean the condenser. Contact Sub-Zero Factory Certied
Service if unresolved.
Sub-Zero, Sub-Zero & Design, Sub-Zero & Snowake Design, Dual Refrigeration, The Living Kitchen, Great American Kitchens The Fine Art of Kitchen Design, Wolf, Wolf &
Design, Wolf Gourmet, W & Design, red colored knobs, Cove, and Cove & Design are registered trademarks and service marks of Sub-Zero Group, Inc. and its subsidiaries.
All other trademarks are property of their respective owners in the United States and other countries.
14 | Sub-Zero Customer Care 800.222.7820
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