WHISPER KOOL WK 2500 Bedienungsanleitung
2500 CABINET SYSTEM
OWNERS’S MANUAL
USE WITH WHISPERKOOL
WINE CABINETS ONLY
Copyright © 2022. WhisperKOOL. All rights reserved.
WhisperKOOL 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 WhisperKOOL.
Every eort has been made to ensure that the information in this manual is accurate. WhisperKOOL is not responsible for printing
or clerical errors.
WhisperKOOL reserves the right to make corrections or improvements to the information provided and to the related hardware at
any time, without notice.
Vinothèque and WhisperKOOL are registered trademarks, and ECE is a trademark of WhisperKOOL. All rights reserved.
Mention of third-party products is for informational purposes only and constitutes neither an endorsement nor a
recommendation. WhisperKOOL 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.
TABLE OF CONTENTS
WK 2500 Quick Reference Guide .......................................................... 2
WK 2500 Accessory Kit ................................................................... 2
Note to Customer........................................................................ 3
About the WhisperKOOL 2500 ............................................................ 3
Liquid Measuring Thermometer .......................................................... 4
System Operation ....................................................................... 5
Controller Operation..................................................................... 7
Testing the Refrigeration Unit ............................................................ 10
Cool Down Period ....................................................................... 10
Normal Operation and Maintenance ...................................................... 11
Troubleshooting......................................................................... 12
Installation Terms and Conditions ........................................................ 13
Technical Assistance ..................................................................... 15
Page 2 WK 2500 081022
ACCESSORY KIT
WHISPERKOOL 2500
QUICK REFERENCE GUIDE
WK 2500
Contents:
• (18) 1/4” x 3/8” pan-head screws
• (1) 1/8” x 8-ft piece of foam tape
BOTTLE
PROBE
AIR
DEFLECTOR CONTROLLER
EVAPORATOR FAN
SPEED SWITCH
BOTTLE PROBE
CONNECTOR
EVAPORATOR
COIL
MOUNTING
FLANGE
www.whisperkool.com | Page 3
WK 2500 CABINET SYSTEM
NOTE TO CUSTOMER
Thank you for purchasing a WhisperKOOL wine cabinet unit. Our main goals are customer satisfaction and providing the best wine
storage solutions on the market. If you have any questions or comments, please feel free to contact us at info@whisperkool.com.
It is mandatory that you DO NOT plug in or start your new
WhisperKOOL wine cabinet unit for 24 hours after its delivery.
Units are sometimes placed on their side during shipping, which might cause compressor oil to escape the reservoir. Starting the
unit before the oil has had a chance to settle again can cause damage to the compressor and negatively aect cooling.
A dedicated 20 amp circuit is highly recommended for optimum operation. Tripped breakers and decient performance may
occur if other devices are pulling power from the same circuit. Do not use a Ground Fault Interrupter (GFI) with this
product. The cooling unit will draw more amperage than the GFI will allow.
It is recommended that you plug your unit into a surge protector or power conditioner. Just like with any sensitive electrical
equipment, the unit’s circuitry may be damaged by power surges and spikes — which are not covered by the warranty.
ABOUT THE WHISPERKOOL 2500
The system was designed to operate in controlled environments with temperatures ranging between 60°-85°F. This
is ideal for cabinets that will be inside a home or temperature controlled environment.
Page 4 WK 2500 081022
LIQUID MEASURING THERMOMETER
By measuring the temperature of the liquid, the temperature reading will be consistent and the unit will only run when it needs
to.
To Install the Thermostat:
1. Fill an empty wine bottle to its neck with room temperature water.
2. Press bottle probe securely into bottle.
3. Place the bottle with probe into a level rack space. Avoid pulling too much on the probe cord as it may become
disconnected, which would lead to inaccurate temperature readings.
The WhisperKOOL system is based on the temperature of the wine (It is ideal to place the probed bottle midway in the
racking, so that it is not near cold supply air). Do not be misled by ambient temperatures that are read from the outside of the
cabinet. The air temperature in the cabinet will be cooler than the liquid temperature of the wine while it’s coming to optimum
balanced temperature.
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WK 2500 CABINET SYSTEM
WK 2500 WIRING DIAGRAM
WK 2500
1 2 345 6 7 8 9 10 11
1 4
1 4
NTC Probe
Evap. Probe
Bottle. Probe
EwPlus 974
Cond. Probe
Evaporator
Blower
WHITE
BROWN
GREY
Capacitor
Condenser
Blower
Compressor
BLUE
WHITE
BLACK
BLACK
BROWN
BLACK
WHITE
POWER SUPPLY
115 VAC-60 Hz, 20A
POWER CORD
GREEN
GREEN
BLUE
GREEN
WHITE
BLUE
1 2 3 4 5
BROWN
WHITE
HEATING
ELEMENT
SNAP
DISK
1 2 3 4 5
BLUE
WHITE
BLACK
12345
WHITE
LMW
BLUE
BLUE
WHITE
GREEN
3
2
1
YELLOW
WHITE
NC C NO
34 2
7 8 6
1
0
COIL
LM
W
1 2 3 4 5
1 2 3 4 5
BLACK
WHITE
GREEN
BLACK
BLACK
BROWN
BROWN
WHITE
BLUE
BROWN
GREEN
Page 6 WK 2500 081022
SYSTEM OPERATION (WHISPERKOOL 2500)
Initial Startup
When power is applied to the unit, the control will briefly
display all symbols, and the snowflake 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.
Setpoint
The setpoint is preset at the factory (WhisperKOOL) 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
refrigeration compressor cycles to a pre-determined time
series (40 minutes on and 10 minutes o), which will ensure
that the product is kept within a safe temperature range. P1
will be displayed on the screen until the probe issue is
rectied.
Alarms
See “Alarm Codes”in the Controller Functions chart.
ECM Condenser Blower Operation
The condenser blower comes equipped with a temperature
sensor which monitors exhaust air temperatures and adjusts
the speed of the blower to provide the ideal airow needed
to dissipate excess heat. Condenser fan speed will vary during
operation based on the exhaust environment temperatures.
www.whisperkool.com | Page 7
WK 2500 CABINET SYSTEM
SYSTEM OPERATION (WHISPERKOOL 2500) CONT.
Ambient Temperature
The ambient temperature surrounding the cabinet has a direct eect on the cooling unit’s ability to cool the cabinet. The ideal
temperature range for which the cabinet will be installed is between 60-85°F. Ambient temperatures above 85°F will decrease
the cooling capacity of the unit. Make sure the temperature of the room in which the cabinet will be placed is maintained
within the recommended range.
To ensure a consistent temperature, make sure the room temperature does not dip below 55°F.
Ventilation
The cabinet must have adequate ventilation to allow the exhaust side of the cooling unit to operate correctly. As the unit cools
on the inside, condensing refrigerant creates heat, which will need to dissipate away from the unit on the outside. Some units
have an exhaust fan mounted on top of the cabinet, which forces air away from the unit vertically. In order to avoid disrupting
the ventilation, do not place anything on top of the cabinet.
WhisperKOOL 2500 Cooling System:
• If your cabinet is not equipped with a front vent, the unit must be placed in an open room.
• Do not install in a cabinet.
• The rear of the unit should be placed about 2” from the wall.
• There should be about 12” of clearance above the top of the unit and 6” of free space on each side. This will assure proper
dissipation of heat and sustained cooling of your wines.
Top venting (standard). Do not place anything on
top the cabinet.
Front venting unit.
Page 8 WK 2500 081022
CONTROLLER FUNCTIONS
Button/Symbol Normal Functions
ON/OFF • Press and hold the ON/OFF button for approximately 3 seconds to turn the unit on or off.
Note: This does not disconnect power from the unit. In order for the power to be shut off from
the unit, the power cord must be unplugged from the power outlet.
• This button also serves as an escape button.
UP/
DOWN
• Use these buttons to scroll up or down a menu.
• Press and hold the UP ARROW button for approximately five 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 five minutes before restarting the
compressor. This five-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.
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