Cellar Cool OPTIMUM Series User manual

OPTIMUM SERIES
OWNER’S MANUAL
Optimum 2200
Optimum 3300
Optimum 4400
Optimum 8800
Tech Support: 1 [phone], ext. 801
Hours: Monday through Friday, 7 AM - 4 PM

Copyright © 2020. CellarCool. All rights reserved.
CellarCool copyrights this manual, the product design, and the design concepts, with all rights reserved. Your rights with
regard to the hardware and manual are subject to the restrictions and limitations imposed by the copyright laws of the USA.
Under copyright laws, this manual may not be copied, reproduced, translated, transmitted, or reduced to any printed or
electronic medium or to any machine-readable form, for any purpose, in whole or in part, without the written consent of
CellarCool.
Every effort has been made to ensure that the information in this manual is accurate. CellarCool is not responsible for
printing or clerical errors.
CellarCool reserves the right to make corrections or improvements to the information provided and to the related hardware
at any time, without notice.
Vinothèque and CellarCool are registered trademarks, and ECE is a trademark of CellarCool. All rights reserved.
Mention of third-party products is for informational purposes only and constitutes neither an endorsement nor a
recommendation. CellarCool assumes no liability with regard to the performance or use of these products.
We manufacture, test and certify 100% of our wine cooling units in
the USA. By sourcing the best components and closely controlling our
manufacturing processes, we can assure the highest-quality,
lowest defect manufacturing rates in the industry.
Conforms to ANSI/UL Std 427
Certied to CAN/CSA Std C22.2 No. 120

TABLE OF CONTENTS
Introduction ...............................................2
Before You Start ...........................................3
Receiving & Inspecting The Unit ...........................4
Quick Reference Guide
Controller Layout........................................6
Unit Specications ......................................6
Preparing the Wine Cellar..................................7
Pre-Installation
Testing the Unit prior to Installation.................... 10
Installation
Preparing the Installation Location..................... 11
Preparing the Unit for Installation ...................... 12
Installing the Unit through the Wall .................... 13
Condensation Drain Line ................................ 14
Liquid Measuring Thermostat System ................... 15
System Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Controller
Functions ............................................. 17
Alarm Codes .......................................... 18
CPSM (Customer Preference Selection Mode)........... 18
Wiring Schematics
Optimum 2200 & 3300................................. 19
Optimum 4400 ........................................ 20
Optimum 8800 ........................................ 21
Troubleshooting Guide .................................. 23
Maintenance Schedule .................................. 25
Technical Assistance & Accessories ...................... 26
Installation Terms & Conditions ......................... 27

Page 2 CX 011420
INTRODUCTION
Customer Service
Thank you for purchasing a CellarCool cooling system. We strive to provide the highest-quality products and the best
possible customer service. If you have any questions about your system, please call us at 1-800-343-9463 or visit
cellarcool.com.
Using the Manual
This manual is intended to assist in the proper maintenance of the cooling system. In order to ensure the longevity
of your cooling unit, the equipment should be installed correctly and have a proper care and maintenance schedule.
Please read and review this manual carefully and keep it for future reference.
What is the CellarCool Cooling Unit?
The CellarCool cooling unit is a specialized refrigeration unit designed for one purpose only: to maintain the optimal
temperature and humidity levels conducive to the proper storage and aging of fine wines. It is a self-contained cooling
unit designed to be used as a forced-air through-the-wall unit.
How Does the CellarCool Cooling Unit Work?
The CellarCool cooling unit is specially designed for the use and application to maintain optimal conditions for wine
storage and aging. The unit is fully self-contained and is designed to be installed as a through-the-wall application
with the ability to duct the exhaust air. The unit is temperature-controlled via a bottle probe.
Temperature Setting
The system is designed to maintain a cellar temperature of 55°F as long as the ambient temperature does not exceed
85°F.

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OPTIMUM SERIES
This guide is meant to serve as a quick reference for installation of the CellarCool unit. The remainder of this owner’s manual will
provide more detailed information and instructions.
Upon receiving the CellarCool cooling unit:
1. Inspect the unit before installation. If damage is found, please contact your distributor or CellarCool Customer Service at
1-800-343-9463.
2. The unit should remain in an upright position for 24 hours prior to operation.
3. The CellarCool Optimum 2200, Optimum 3300, and Optimum 4400 units require a dedicated 115-volt, 15-amp circuit.
The CellarCool Optimum 8800 unit requires a dedicated 115-volt, 20-amp circuit. Use a surge protector with the CellarCool
units. Do not use a GFI(ground fault interrupter) line. GFI’s are too sensitive to be used with CellarCool units, they will trip
prematurely and prevent the unit from operating.
4. For your convenience, the CellarCool unit has two power inlets: one on the side of the unit, and the other on the back. Use the
selector switch, located on the right side of the unit, to select the inlet you would like to use.
5. The unit is designed to gently cool down the temperature of the cellar over time by cycling cooler air throughout. Test the
unit prior to installation.
6. You are required to install a drain line to remove condensation from the unit.
7. The CellarCool unit is intended for use in properly designed and constructed wine cellars. Hire a professional wine storage
consultant with a valid contractor’s license to build your wine cellar.
Never try to open the CellarCool unit, repair it yourself, or use a service company
without CellarCool’s authorization. This will void your warranty.
If you encounter a problem with your CellarCool unit, please refer to the Troubleshooting Guide. If you have any further questions or
concerns, or need technical assistance, please contact CellarCool Customer Service at 1-800-343-9463. Please be sure all testing has
been completed prior to contacting Customer Service. Please have your results ready for your representative.
Please review the installation instructions in this manual. Failure to follow proper installation
procedures will void your warranty.
BEFORE YOU START

Page 4 CX 011420
NOTE: CellarCool units are manufactured in the USA and tested prior to shipment.
Please leave the CellarCool unit in its original box until you are ready for installation. If the unit is to be stored for any length of time
prior to installation, ensure that the unit is stored on a flat level surface in the upright position. This will allow you to move the
product safely without damaging it. When you are ready to remove the product from the box, refer to the installation instructions.
TIP: Save your box and all packaging materials. They provide the only safe means of transporting/shipping the unit.
RECEIVING AND INSPECTING THE UNIT
Upon receiving your CellarCool unit:
• Lift only at the designated hand-hold locations on the shipping container, or fully support the unit from underneath. A
shipment may include one or more boxes containing accessories.
• Inspect the packaging for any obvious signs of damage or mishandling before opening the container.
• Place the box containing the CellarCool unit on a tabletop to prepare it for testing prior to installation.
• Review the packing slip to verify the package’s contents.
• Check the model number to ensure it is correct.
• Check that all factory options ordered are listed.
• Check the box for the following:
2200 / 3300 / 4400 / 8800
Single-piece mounting bracket
Accessory kit #1:
• (1) CellarCool Optimum Series owner’s manual
• (1) Bypass plug
• (1) Liquid-measuring thermostat (bottle probe)
Accessory kit #2:
• (1) Power cord (8 feet)
• (1) Piece of mounting bracket insulation foam (6 feet)
• (11) 1¾" standard screws
• (7) 1/2" Phillips pan-head screws
• (1) Drain line tube (1/2" ID clear plastic tubing, 10 feet)
• (1) 1/4" FNPT x 1/2" Hose elbow

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OPTIMUM SERIES
QUICK REFERENCE GUIDE
Front / Side View
Rear / Side View
Controller
Control panel
(see page 10 for details)
Air sensor
Probe Input
Drain port
Bottle probe

Page 6 CX 011420
UNIT SPECIFICATIONS
2200 3300 4400 8800
Dimensions 17.5"L x 14.25"W x 15.75"H 21.64"L x 14.25"W x 22.56"H
BTU (85°F condenser air
intake temperature) 1453 2049 2253 4241
Refrigerant R-134a
HP 1/8 1/6 1/6+ 1/2
Voltage Rating 115V (15-amp dedicated circuit required) 115V (20-amp dedicated
circuit required)
Weight (lb.) 60 60 60 104
Amps (running) 3.2 3.7 4.7 10.9
Drain Line 1/2" ID clear plastic tubing
Installation Through the wall
Thermostat Advanced digital controller, liquid-temperature-measuring bottle probe
Temp. Delta Can maintain a 55°F cellar temperature with up to 85°F condenser air intake temperature
Warranty 2 years (parts and labor) / 5 years (compressor)
* Sizing the Unit to the Room
The specication chart will provide information on the unit's cooling capacity. There are circumstances in which a cellar design may
require a larger unit due to preexisting design restrictions. Certain building materials such as glass, stone, or concrete may seem
adequate but do not oer the insulation capacity required to maintain the optimum temperature for storing wine. We recommend
purchasing a unit with a larger capacity to compensate for these design limitations. Undersized cooling units can lead to premature
failure and/or prevent the system from reaching the desired set temperature. As a result, they are not covered under warranty.
Compressor is On
Unit is in Anti-Frost
Mode
Fans are On
Alarm is present
Temperature Measurement
Menu Navigation
and Value Increase
(Press and hold to manually
enter Anti-Frost mode.)
Power On/O
(hold for approx. 3 seconds)
and Escape
Menu Navigation
and Value Decrease SET (ENTER)
(Press and hold
to enter the
parameter menu.)
CONTROLLER LAYOUT
Refer to page 18 for complete listing of buttons and symbols.
* See note on next page

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OPTIMUM SERIES
The performance and life of your system is contingent upon the steps you take in preparing the wine cellar. Improperly preparing
your enclosure or incorrectly installing your unit may cause unit failure, leaking of condensation, and other negative side eects.
It is highly recommended that you obtain the assistance of a wine storage professional.
Wine storage professionals work with licensed contractors, refrigeration technicians, and racking companies to build well-insulated,
beautiful, and protective wine cellars. CellarCool has put together some useful tips to assist in the installation process. Our
recommendations are meant to act as a guide in the process of building a proper enclosure. Your intended location may have
specic needs which we do not address.
Wall & Ceiling Framing
Build wine cellar walls using standard 2x4 or 2x6 boards and ceiling joists without violating local or state codes in your area. As a
general rule, the thicker the walls and the higher the insulation value, the more consistent your cellar temperature will be.
Insulation
Insulation is REQUIRED in order to properly use CellarCool products. It is vital that all walls and ceilings be insulated to keep the cellar
temperature as consistent as possible during the summer and winter months. Standard berglass or rigid foam insulation is normally
used in cellar construction; in some cases,“blown-in”insulation is used. The R-value, or quality of insulation, is determined by the
rate at which heat passes through the insulation. The higher the R-value, the more resistant the insulation is to conducting heat,
and the more consistent your wine cellar’s temperature will be. Using higher R-values in insulation will lower your operating costs
and CellarCool unit run time. (R-13 is the recommended minimum; R-19 is preferred for interior cellar walls, and R-30 for ceilings and
exterior walls.)
Mounting the Unit
The unit should be mounted within 18 inches of the ceiling in order to achieve sucient cooling. As the room cools down, the warm
air will rise to the ceiling. Mounting the unit high in the room will create a consistently cool environment by capturing the warm air
and replacing it with cool air. Mounting the unit low in the room will result in a temperature variation in the room due to the unit’s
inability to draw warm air from the ceiling down to the unit itself.
Vapor Barrier
Water vapor creates its own pressure, separate from the ambient air pressure, and will intrude into colder/drier areas. A vapor
barrier is REQUIRED in order to prevent the intrusion of water vapor and maintain the correct cellar temperature and humidity. It
is recommended that 6-millimeter plastic sheeting be applied to the warm side of the cellar walls. The vapor barrier must also be
applied to the outside walls and ceiling. If it is impossible to reach the outside, then the plastic must be applied from within the cellar.
The most common method is to wrap the entire interior, leaving the plastic loose in the stud cavity so the insulation can be placed
between each stud. All of the walls and ceiling must be wrapped in plastic for a complete vapor barrier.
In areas of high humidity, such as Southern and Gulf States, the vapor barrier will prevent inltration of warm moist air. The moist air
can cause mold to form, and standing water in drain pans promote microbial and fungal growth that cause unpleasant odors and
indoor air quality problems. If mold is found, remove it immediately and sanitize that portion of the unit.
Note: High humidity signicantly increases the heat load on the cooling system.
Any break in the vapor barriers (cut, nail hole, over-lapping, etc.) will cause a moisture leak and must be sealed. The electric conduit is
a “duct” for vapor to travel in. The conduit should be caulked and sealed on the warm air end.
PREPARING THE WINE CELLAR

Page 8 CX 011420
Mounting the Unit
The unit must be mounted within 18 inches of the ceiling in order to achieve sucient cooling. As the room cools down, the warm
air will rise to the ceiling. Mounting the unit high in the room will create a consistently cool environment by capturing the warm air
and replacing it with cool air. Mounting the unit low in the room will result in a temperature variation in the room due to (a) the unit’s
inability to draw warm air down from the ceiling and (b) cold air settling to the oor.
Unobstructed Airow
Unobstructed airow to and from the unit is critical for the unit’s overall performance and lifespan. Make sure there is a mini-
mum of three (3) feet of horizontal clearance in every direction around the unit (ve feet is ideal). The air blown by the fans needs to
circulate and either dissipate or absorb heat from the space. The system will operate more eciently with a greater amount of air to
exchange.
NOTE: Do not attempt to mount the unit in a wall recess or attempt to camouage or cover the unit with any sort of aftermarket
grille, accessory, etc. This can restrict airow, prevent the unit from working properly, and void the warranty. Please feel free to call
CellarCool Customer Service with any questions or concerns regarding installation requirements.
Door and Door Seal
An exterior-grade (1¾”) door must be installed as a cellar door. It is
very important that weather stripping be attached to all four sides of
the doorjamb. A bottom “sweep” or threshold is also required. The door
must have a very good seal to keep the cool cellar air from escaping out
of the cellar. If the cellar door does not seal properly, the unit will run
continuously. In cases where glass doors are used and the room size
is close to the recommended unit size, the next larger size CellarCool
should be used. This will compensate for the insulation loss due to the
lower insulation rating of glass.

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OPTIMUM SERIES
Ventilation
The necessity of dissipating heat away from the unit is critical to the unit’s performance and cannot be overstated. As the unit
operates and cools, a greater amount of heat is generated on the exhaust side of the unit. Adequate ventilation is required in
order to dissipate heat away from the unit. If ventilation is inadequate, the exhaust will heat the area or room and adversely aect
the unit’s ability to cool. In some cases, it may be advisable to install a vent fan to dissipate heat from within the exhaust area.
However, you must have a fresh air inlet as well. If your unit requires ducting, please contact CellarCool to obtain a specially
designed ducting plenum for the unit.
Using any other ducting system will void the warranty.
NOTE: If you are unsure whether you have adequate ventilation in your install location, please
contact us to assess your specic installation at [e-mail] or 1 [phone].
Ambient Temperature Factor
The cooling unit has the ability to cool a wine cellar eciently to 55°F as long as the intake air does not exceed 85°F. Therefore,
you want to exhaust the unit in a room which will not exceed 85°F. Without proper heat dissipation the unit will not have the
capacity to keep the wine at a desirable 55°F.
WARNING! Allowing your unit to operate in high ambient temperatures for extended
periods of time will greatly decrease the life of your unit and void your warranty.
Exhaust Fan
Air Intake Cellar Wall
85ºF55ºF
CellarCool
(side view)
Back — Exhaust Room Front — Wine Cellar

Page 10 CX 011420
PREPARING THE INSTALLATION LOCATION
The CellarCool 2000, 3000, and 4000 unit requires a dedicated 115-volt, 15-amp circuit. The 8000 unit requires a
dedicated 115-volt, 20-amp circuit. The unit draws a large amount of amps during its initial startup. By designating a dedicated
circuit breaker, you will guarantee the unit has enough power to run eectively. Contact an electrician for assistance with the
installation of this dedicated electrical circuit.
The unit must sit upright for 24 hours prior to testing and installation. To prepare the unit for testing:
• Remove unit from box
• Place unit on tabletop
• Plug in unit to electrical outlet
• Plug in bottle probe
• Turn on to test for approximately 20–30 minutes
• Turn o after test
• Disconnect bottle probe
To prepare the unit for installation:
• Match the electrical outlet to the plug provided on the CellarCool unit.
• Provide a dedicated circuit and wiring for the unit.
• Provide a weatherproof plug for units connected outside.
Power surges and spikes can damage sensitive electrical equipment. CellarCool recommends plugging the unit into a surge
protector or power conditioner in order to protect your system. As outlined in our terms and conditions, power surges and spikes
are not covered under warranty.
We recommend that you do not use a GFI (ground fault interrupter) with this product.
Electrical Inlets
The unit is equipped with two power inlets. One is located on the right side of the unit (inside of the cellar), and the other is
located on the rear of the unit (outside of the cellar). Use the selector switch located on the right side of the unit to select which
power inlet you would like to use. If you would like to plug the unit into a socket outside of the cellar, set the selector switch to
rear. If you would like to plug the unit into a socket inside of the cellar, set the selector switch to the front position. When placed
in either position, power can only enter the unit utilizing the power inlet you’ve selected.
In case the unit should lose power, check the home/main circuit breaker. If the unit does not respond properly, refer to the
Troubleshooting Guide.
FRONT
REAR
Power Inlet Front/Rear
Power Switch

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OPTIMUM SERIES
Electrical Inlets
Locate the desired installation location (no lower than 18 inches from the
ceiling). Using a stud nder, locate the studs on either side of the center point,
and mark them with vertical lines.
Using a level and a pencil, mark a horizontal line on the wall between the two
studs, no less than 1.5 inches and no more than 18 inches from the ceiling.
Using a ruler or measuring tape, measure 16 inches down (2200/3300/4400) or
22.75 inches down (8800)and mark another horizontal line parallel to the rst
one. The unit is designed to t between two studs that are 16 inches apart on
center, enabling the unit to t in the 14.5-inch horizontal space.
Using a saw, cut along the uppermost horizontal line until your saw reaches
the stud. Turn the saw around, inserting it into the cut that has just been
made, and cut toward the opposite stud so that there is a clean horizontal cut
between the two studs. Be careful not to cut into the studs themselves.
Make the second horizontal cut from stud to stud on the line 16 inches below
the rst cut.
Once the horizontal lines have been cut, make vertical cuts using the inside
edge of the studs as a guide. Once both vertical cuts have been made, there
should be rectangular hole in the sheetrock. Make the same hole on the other
side of the wall. Using a nail, mark all four corners of the rst hole by making
nail holes through the sheetrock. Connect the holes with a pencil mark and cut
on the other side of the wall.
Sheetrock alone cannot support the weight of a cooling unit. Therefore, it is
necessary to frame the hole that has just been cut with upper and lower
supports. These supports also provide solid material for the mounting bracket
screws.
Using two 2x4s at 14.5 inches in length and eight 6d nails, secure the upper
and lower supports to the right and left studs, just inside the sheetrock. Make
sure that the internal height remains at 16 inches (2200/3300/4400) or 22.75
inches (8800) so that the CellarCool unit will t snugly through the framed
cut-out.
Hammer SawScrewdriver
Level
PREPARING THE UNIT FOR INSTALLATION

Page 12 CX 011420
Single-Piece Mounting Bracket
The SC Series utilizes a single-piece mounting bracket. This sturdy
bracket frames the installation location and secures the unit to
the wall.
Applying Insulation Tape
Locate the six-foot piece of black foam tape included with the
unit. Align one end of the foam tape with the upper left corner of
the rear side of the mounting bracket. Stretch the tape across the
rear of the bracket and cut the tape at the opposite edge. Peel o
the white paper backing and attach the cut piece of foam tape
to the top rear side of the mounting bracket. Follow the same
procedure to place a piece of tape on the bottom edge of the
mounting bracket. Place the remaining piece of foam tape on one
side of the mounting bracket (spanning the distance between
the pieces of tape on the top and bottom edges of the mounting
bracket), then cut, remove paper backing, and secure. Do the
same on the opposite side of the bracket. Discard any excess. The
foam tape will create a tight seal between the bracket and the
wall.
Mounting Bracket Installation
Select your desired bracket mounting location (see diagram below). This location determines the depth of the installation. For
example, position #1 keeps most of the unit out of the cellar while position #2 makes the back of the unit near ush on the
exterior wall. Slide the bracket onto the unit, paying special attention to the anges for mounting to the unit. Make sure they are
pointing towards the back. Use the six 1/2" pan-head screws to fasten the bracket to the unit. Under no circumstances should
you use screws longer than 1/2” in length.
PREPARING THE UNIT FOR INSTALLATION
1
2
3
4
#1
#2
Wine Cellar
Mounting Bracket
5” inch thick wall
(wall thickness may vary)
Exhaust Area
2200/3300/4400
5-6 Inches in cellar
8800
9.5-10.5 Inches in cellar
2200/3300/4400
9-10 Inches in cellar
8800
14-15 Inches in cellar
#1
#2

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OPTIMUM SERIES
DRAIN LINE
Single-Piece Mounting Bracket
The SC Series utilizes a single-piece mounting bracket. This sturdy bracket frames the installation location and secures the unit to
the wall.
Applying Insulation Tape
Locate the six-foot piece of black foam tape included with the unit. Align one end of the foam tape with the upper left corner of
the rear side of the mounting bracket. Stretch the tape across the rear of the bracket and cut the tape at the opposite edge. Peel
o the white paper backing and attach the cut piece of foam tape to the top rear side of the mounting bracket. Follow the same
procedure to place a piece of tape on the bottom edge of the mounting bracket. Place the remaining piece of foam tape on one
side of the mounting bracket (spanning the distance between the pieces of tape on the top and bottom edges of the mounting
bracket), then cut, remove paper backing, and secure. Do the same on the opposite side of the bracket. Discard any excess. The
foam tape will create a tight seal between the bracket and the wall.
Mounting Bracket Installation
Select your desired bracket mounting location (see diagram below). This location determines the depth of the installation. For
example, position #1 keeps most of the unit out of the cellar while position #2 makes the back of the unit near ush on the
exterior wall. Slide the bracket onto the unit, paying special attention to the anges for mounting to the unit. Make sure they are
pointing towards the back. Use the six 1/2" pan-head screws to fasten the bracket to the unit. Under no circumstances should
you use screws longer than 1/2” in length.
Rear of Unit
Rear power
Drain port
2x4 lower support
Wall stud
2x4 upper support
Mounting ange

Page 14 CX 011420
Condensation Drain Line Tube
All units come equipped with a drain line for additional removal of excess condensate. This is a backup system to the condensate
evaporator. It is mandatory to install the drain line attachment. The condensate evaporator will heat and dissipate the excess
moisture through the rear of the unit. However, in extreme humidity, additional condensate will be created. Conversely the high
humidity air has less capacity to absorb additional moisture through the exhaust of the unit. Thus, the drain line will prevent
overow and leaking by allowing the discharge of the additional condensate.
It is important that the drain line tube be properly connected and used to prevent leakage and other problems associated with
excess condensation.
Failure to use the condensation drain line tube will void the warranty on the unit.
Condensate Evaporator
The SC units come equipped with a condensate management system known as a condensate evaporator. The condensate
evaporator is a heating element designed to evaporate the condensate which accumulates in the cooling system as a by-product
of the refrigeration cycle. The condensate evaporator is designed to evaporate 3 oz. of water for every working hour.
NOTICE: DO NOT INTRODUCE ANY TYPE OF CLEANING AGENT, DISINFECTANT OR OTHER FOREIGN MATTER INTO
THE COOLING SYSTEM.
SC Drain Line Installation
1. Wrap the threads of the drain tting in plumber's tape
and screw on the plastic elbow.
2. Attach the supplied piece of 1/2" ID clear plastic tubing
to the plastic tting.
To prevent mold from growing, allow the drain
line to hang above the water line.
DRAIN LINE
WRONG: Drain line is under water

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OPTIMUM SERIES
LIQUIDMEASURING THERMOSTAT SYSTEM BOTTLE PROBE
CellarCool cooling units come with a liquid-temperature-measuring thermostat. The self-calibrating bottle probe contains
a sensor chip, which communicates back and forth with the thermostat. This results in a consistent temperature setting and
accuracy. Wine should be kept at a very precise, controlled temperature and humidity. By measuring the liquid temperature
rather than air, the unit will operate 75–80% of the time.
Setting up the Bottle Probe:
1. Locate an empty wine bottle.
2. Fill it 75% full with room-temperature tap water.
3. Place bottle probe securely into bottle as seen in Figure 1.
4. Place the wine bottle in your wine cellar. Ensure sensor tip is fully
submerged.
5. To ensure a consistent temperature, place bottle probe
approximately three (3) feet away from the air output and not in the
ow of the air.
It is recommended that the bottle be placed in a central location of your
wine cellar. Avoid pulling too much on the probe cord. It may become
disconnected resulting in limited functionality of the unit.
Note: The thermostat can be set between 50-70°F.
Remember: The unit operates based on the temperature of the water.
Do not be misled by thermostats reading air temperature. The air
temperature in the cellar will be cooler than the liquid temperature of
the wine while it is reaching the optimum balanced temperature.

Page 16 CX 011420
SYSTEM OPERATION
Initial Start-Up
When power is applied to the unit, the control will briey
display all symbols, and the snowake symbol will be
displayed (if unit is calling for cooling). There may be a
brief delay (up to 60 sec.) before the evaporator fan turns
on. When the evaporator fan is activated, the fan symbol
will display.
APST (Advance Product Safety Technology) is a
temperature control feature for the evaporator fan that
comes standard with all CellarCool units. APST ensures
that in the event of a cooling deciency, the heat from
the indoor fan will not raise the temperature of the wine
cellar, which could otherwise have an adverse eect on
the wine-aging process.
Setpoint
The setpoint is preset at the factory (CellarCool) to 55°F. It
can be adjusted by the customer between 50°F and 70°F
(in 1°F increments).
Cooling Operation
Cooling is activated once the bottle probe senses a
temperature that is 1°F greater than the setpoint. The
controller then energizes the compressor relay which
activates the compressor. The evaporator and condenser
fans operate with the compressor. The unit provides
cooling until the bottle probe senses that the setpoint
has been reached. At this point the compressor relay
is de-energized, which stops the compressor. The
evaporator and condenser fans will continue to run
for one minute to reintroduce any moisture from the
evaporator coil and reduce the head pressure.
Humidity Features
The Fdc parameter can be increased to allow the
evaporator and condenser fans to run for a longer period
of time after the compressor turns o, allowing more
moisture to be reintroduced into the wine cellar.
Anti-Short Cycle
The Anti-Short Cycle ensures that the compressor
will remain o for a period of three minutes after the
unit has reached the setpoint to allow the pressure in
the refrigeration unit to equalize prior to starting the
compressor.
Anti-Frost Cycle (defrost)
When the evaporator probe senses a temperature of 26°F
for ve minutes, the unit will enter an Anti-Frost Cycle.
This will shut down the compressor and allow the
evaporator and condenser fans to run to evaporate
any frost accumulation on the coil. The compressor will
remain o until the evaporator coil reaches 40°F, or for
a maximum of ten minutes. The unit will then return to
normal operation.
If the evaporator is not above 26°F after the Anti-Frost Cycle
has ended, the red error light will display in the upper right
corner. The alarm “Ad3” will be recorded in the alarm folder,
indicating that the Anti-Frost Cycle timed out. The unit will
run for ve minutes and then enter another Anti-Frost Cycle.
This sequence will continue until the evaporator temperature
rises above 26°F.
“Def”will be displayed during the Anti-Frost Cycle. If the
cycle is less than ve minutes, the controller will prevent the
compressor from starting until ve additional minutes have
elapsed. This is to prevent short cycling of the compressor.
Holding down the UP ARROW button for approximately ve
seconds manually starts the Anti-Frost Cycle, but only if the
evaporator is below 40°F (defrost end temperature). If the
evaporator is above 40°F, the display will blink three times and
continue normal operation.
Bottle Probe Failure Protection
In the event that a bottle probe should fail, the APST (Advance
Product Safety Technology) will automatically transition the
system to a timed cycle based on detailed laboratory testing,
which will ensure that the product is kept within a safe
temperature range.
Display
The bottle probe temperature is displayed by default. The
bottle probe, evaporator probe, and condenser probe
temperatures can all be accessed by pushing the SET button
and scrolling through“Pb1” (bottle probe), “Pb2”(evaporator
probe), and“Pb3”(condenser probe).
Safety Features
Once the compressor relay is de-energized the controller must
wait ve minutes before reenergizing the relay. This prevents
the compressor from repeatedly turning o and on. If the unit
is calling for cooling during this time, the compressor symbol
will blink, indicating that cooling is needed but the control is
waiting for the Anti-Short cycle delay.
In the event of a faulty bottle probe, the compressor will cycle
o for 10 minutes and on for 40 minutes.“E1”will be displayed
on the screen.
If the condenser temperature reaches 145°F, the compressor
will shut down. The red alarm light will be displayed in the
upper corner of the display.“COH”will be displayed on the
screen. The evaporator and condenser fans will continue to
run until the time set by the Fdc parameter has elapsed. The
unit will continue normal operation once the condenser has
reached 135°F.
Alarms
See “Alarm Codes” in Controller Function chart.

www.cellarcool.com | Page 17
OPTIMUM SERIES
CONTROLLER FUNCTIONS
Button/Symbol Normal Functions
ON/OFF • Press and hold the ON/OFF button for approximately three (3) seconds to turn the unit on or o.
NOTE: This does not disconnect power from the unit. In order for the power to be shut o from the unit,
the power cord must be unplugged from the wall receptacle.
• This button also serves as an escape button.
UP/DOWN ARROWS • Use these buttons to scroll up or down a menu.
• Press and hold the UP ARROW button for approximately ve seconds to manually start the
Anti-Frost Cycle. The Anti-Frost Cycle will begin, but only if the evaporator is below 40°F. If the
evaporator is above 40°F, the display will blink three times, signalling that an Anti-Frost Cycle is
not needed, and the unit will continue normal operation.
SET Changing the Set Point
• Press and Release the set button.
• While“SEt” is displayed, press and release the set button again.
• While the current temperature setting is displayed, press the up or down arrows to change set
point.
• When the display shows the desired temperature setting, press and release the set button again.
Accessing Alarm Codes
• Press and Release the set button.
• While“AL”is displayed, press and release the set button.
SNOWFLAKE Steadily Illuminated: The unit is in cooling mode and the compressor is running.
Blinking: The unit is calling for cooling, but must wait ve minutes before restarting the
compressor. This ve-minute delay serves as an anti-short cycle for the compressors
protection.
DRIPPING SNOWFLAKE The unit is running an Anti-Frost Cycle. The evaporator and condenser fans are running to
evaporate any frost which may have formed on the evaporator coil.
FAN The evaporator and condenser fans are on.
ALARM The alarm symbol is shown and an audible buzzer will sound when the unit encounters an issue
that needs attention. The displayed alarm codes are explained on the next page. To silence the
buzzer, press any button. The alarm code will remain displayed until corrected.

Page 18 CX 011420
ALARM CODES
CPSM (CUSTOMER PREFERENCE SELECTION MODE)
Press and hold the SET button for approximately 5 seconds to enter the CPSM menu. “Fdc” will be displayed on the screen. Use
the down arrow to access the following parameters.
Message Cause Solution
“E1”
Bottle probe is unplugged Attach bottle probe to unit
Faulty bottle probe
connection
1. Check bottle probe attachment at circular connector
2. Check bottle probe connection at the back of controller
Defective bottle probe Replace the bottle probe
“E2”
Faulty evaporator probe
connection
Check evaporator probe connection at the back of controller
Defective evaporator probe Replace the evaporator probe
“E3”
Faulty condenser probe
connection
Check the condenser probe connection at the back of the controller
Defective condenser probe Replace the condenser probe
“AH1”
The bottle probe is sensing a
temperature that is 4° above
the setpoint
1. Allow time for the wine to reach the desired temperature
2. Make sure all windows and doors are closed and have a proper seal
3. Follow the procedures in the pre-installation instructions to test the unit for proper
cooling
“AL1”
The bottle probe is sensing a
temperature that is 4° below
the setpoint
1. Make sure unit is not in cooling mode (the snowake symbol will not be lit)
2. Add heat to the room until the wine reaches the desired temperature
“COH”
The condenser coil
temperature is above 145°F
1. Check the condenser coil and clean if necessary
2. Make sure the intake air does not exceed 85°F
3. Make sure both condenser fans are working properly
“Ad3”
Anti-Frost Cycle ended on
time-out
1. Check the evaporator coil for ice buildup; unplug the unit and allow the coil to
thaw before restarting
2. Make sure the room the intake air is not less than 60°F
3. If the unit continues to go into continuous Anti-Frost Cycles (every 5 minutes), call
Customer Service for more troubleshooting information
Fdc
Humidity
Management/
Enhancement
This parameter is preset to one (1) minute at the factory. This amount of time should provide adequate relative
humidity for the cellar. An increase in this parameter will keep the fan running longer after the compressor has
turned o, reintroducing some of the moisture which was extracted from the wine cellar during the cooling cycle
back into the cellar. (The CellarCool unit, however, cannot increase the humidity of the cellar.) This parameter
should not be adjusted below 1. Adjustments should be made in increments of 5, with a maximum of 15 and a
minimum of 1. After making any adjustment to Humidity Enhancement, you should wait a minimum of three
days before making any additional adjustments. This will allow the cellar sucient time to acclimate to the new
setting.
PA2 There are no adjustable settings in this parameter.
tab There are no adjustable settings in this parameter.
Rel There are no adjustable settings in this parameter.
LOC Change this parameter from“n” to“y” to lock the keyboard from changes to the setpoint.
ddd Select one of these numbers to display your preference:
0 = Setpoint
1 = Bottle Probe Temperature
2 = Evaporator Probe Temperature
3 = Condenser Probe Temperature
"CA1" Use this parameter to calibrate the bottle probe to a known temperature. This parameter can be adjusted
between -12°F and 12°F.
Example: Bottle temperature reading = 58°F
Known temperature reading = 55°F
CA1 parameter setting to match known temperature = -3