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WhisperKool CM Twin H.E Owner's Manual

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CM Twin H.E.
Owner's Manual
Ceiling Mount H.E. CM9000
Ceiling Mount H.E. CM12000
NOTICE: To activate the split system warranty,
the installing certi ed HVAC/R service tech
must complete the split system warranty
checklist and send back to WhisperKOOL.
Split System Warranty Checklist

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  • Page 1 Owner’s Manual Ceiling Mount H.E. CM9000 Ceiling Mount H.E. CM12000 NOTICE: To activate the split system warranty, the installing certi ed HVAC/R service tech must complete the split system warranty checklist and send back to WhisperKOOL. Split System Warranty Checklist...
  • Page 2 WhisperKOOL. Every effort has been made to ensure that the information in this manual is accurate. WhisperKOOL is not responsible for printing or clerical errors.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Introduction ............3 Before You Start .
  • Page 4 WARNING The evaporator unit (fan coil unit) must be insulated using the insulation blanket provided in accordance with this manual. Refer to the insulation blanket installation instructions. Failure to follow the instructions provided will result in a poor vapor barrier, water damage, rust, and system corrosion which will void the warranty on your unit.

  • Page 5: Customer Service

    Thank you for purchasing a WhisperKOOL cooling system. We strive to provide the highest-quality products and the best possible customer service. WhisperKOOL Customer Service is available Monday through Friday from 6:00 a.m. to 4:00 p.m. PST. If you have any questions about your system, please email us at Support@WhisperKOOL.com.

  • Page 6: Before You Start

    6. The system 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. 7. WhisperKOOL requires that all split systems be installed by a certi ed HVAC-R technician only. NATE or equivalent is recommended.

  • Page 7: Preparing The Wine Cellar

    The more air to exchange, the more e cient the system will operate. Note: Avoid attempting to camou age the unit. This will restrict air ow and thus the systems ability to work e ciently. www.whisperkool.com | Page 5...
  • Page 8 PREPARING THE WINE CELLAR, CONTINUED Door and Door Seal An exterior grade (13/4”) door must be installed as a cellar door. It is essential that weather stripping is attached to all 4 sides of the doorjamb. A bottom “sweep” or threshold is also required. The door must have a very good vapor seal to prevent warmer moist air from leaking into the cellar.

  • Page 9: Receiving & Inspecting The System

    Check that all factory options ordered are listed. • If any items listed on the packing slip do not match your order information, contact WhisperKOOL Customer Service immediately. Check all shipped boxes for the following contents: Evaporator Unit Box 1...

  • Page 10: Quick Reference Guide

    QUICK REFERENCE GUIDE Bottom View Line Set Knockout Line Set Knockout Electrical Knockouts Supply and Return Grille (Paintable) Mounting Bracket (Paintable) Line Set Knockouts Electrical Knockouts Line Set Knockouts The unit comes in black. The mounting bracket and front grille are paintable, enabling you to match your desired color.

  • Page 11: Knockout Locations

    " " " " " " " SIDE VIEW 1 " " " " " " " " " " " " " " " " " " SIDE VIEW 3 SIDE VIEW 4 " " www.whisperkool.com | Page 9...

  • Page 12: Fan Speed Switch

    LIQUID MEASURING THERMOSTAT SYSTEM BOTTLE PROBE WhisperKOOL cooling units come with a liquid-temperature-measuring thermostat. The self-calibrating 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.

  • Page 13: Evaporator Unit Installation

    2 0V 60Hz 1 PH 15-amp dedicated circuit °F ” suction line 3/8" liquid line line ” liquid line ” liquid line 18-5 THERMOSTAT WIRE DISPLAY CABLE EVAPORATOR UNIT EVAPORATOR UNIT DISCHARGE LOCATION DISCHARGE LOCATION POWER CABLE POWER CABLE www.whisperkool.com | Page 11...
  • Page 14 24V WIRING CONNECTIONS (EVAPORATOR UNITS) 24V Wiring Connections (Evaporator Unit) 1. Route a standard 18-5 thermostat wire into the primary evaporator unit. 2. Locate the 18-5 thermostat wires inside of the primary evaporator unit. 3. Connect the wires according to color: yellow to yellow, red to red, green to green, and blue to blue. Connect the red adapter wire to the end of the white thermostat wire.

  • Page 15: Selecting Mounting Option

    2. Determine which orientation the evaporator unit will be installed in (inside the cellar or with attic access). Mounting options are listed below: Flush mount option 12.65” Partially recessed mounting option 6.9” 5.75” Choose a mounting option suitable for the installation location. 5.75” 9” Fully exposed mounting option 12.65” www.whisperkool.com | Page 13...

  • Page 16: Mounting The Evaporator Unit

    MOUNTING THE EVAPORATOR UNITS It is vital that the units be set apart and oriented so that the return air from one unit does not recirculate into the supply air of the other unit. NOTE: If installing the unit without attic access, perform steps 5-23 prior to steps 3-4. 3.

  • Page 17: Evaporator Unit Preparation

    6. Remove the knockout(s) that you will be using to route the line set, power wires, display cable, bottle probe, and drain line. 8. Connect the line set to system using the line set connection instructions. www.whisperkool.com | Page 15...

  • Page 18: Installing The Evaporator Unit

    INSTALLING THE EVAPORATOR UNIT 9. Insulate the suction line using Arma ex or similar insulation. 10. Route the drain line out of the evaporator unit with the line set. Connect using the supplied 1⁄4” barb coupling. 12. Route the power wire, bottle probe, and display cable through the knockouts in the electrical panel as shown 13.
  • Page 19 21. Install the supplied three-inch pieces of cork tape around the display cable, bottle probe cable, and power wires. 22. Repeat Steps 1-21with the secondary evaporator. (Steps 17 and 18 do not apply to the secondary unit.) www.whisperkool.com | Page 17...

  • Page 20: Connecting The Lineset

    CONNECTING THE LINESET Connect the refrigerant piping according to these instructions. Cut the pipes When cutting the pipes be very cautious to cut and are them properly. This will ensure a proper connection and minimize the need for maintenance. Measure the distance between the indoor and outdoor units. Using a pipe cutter, cut the pipe.

  • Page 21: Torque Requirements

    (Use refrigeration oil for R134a). Be careful not to overtighten the connec- tion, as this may damage the are or tting. TORQUE REQUIREMENTS Outer Diameter of Pipe (in.) Tightening Torque (lb/ft) ¼” 11 lb/ft ¼” 18.4 lb/ft ½” 25.8 lb/ft ⁄ ” 33.19 lb/ft ¾” 47.94 lb/ft www.whisperkool.com | Page 19...

  • Page 22: Insulation Blanket Installation

    INSULATION BLANKET INSTALLATION *Tools required: spray adhesive, utility knife, cork tape, foil tape Ceiling Mount blanket dimensions 102” 35.75” Insulation Blanket Insulation Blanket 14.25” 14.25” 1. Once mounting bracket location has been selected and installed, proceed to the insulation blanket installation. 2.
  • Page 23 10. Once insulation is installed, apply foil tape to all seams, covering them completely. 11. Inspect insulation for damage/defects. If damaged, repair with foil tape. 12. Apply cork tape or equivalent to areas where the line set, wiring, and drain line enter the unit. www.whisperkool.com | Page 21...

  • Page 24: Drain Line

    Little Giant Pump. Tie into your sink drain using a pipe wye. • Example C: Lead condensate to a oor drain in Little Giant Condensate Pump Kit an adjacent mechanical room/garage using the (Available at WhisperKOOL.com). Little Giant Pump. 020924 TWINCM Page 22...

  • Page 25: Remote Display Installation

    NOTE: Cut hole in the location shown for routing the display cable. * The display can be mounted on any wall (inside or outside the wine cellar), up to 50 feet from the cooling unit. www.whisperkool.com | Page 23...
  • Page 26 WALL MOUNT BRACKET INSTALLATION, CONTINUED 2. Using a drill with a ⁄ ” bit, drill four holes in the drywall for the screws. Insert the four (4) provided drywall anchors into the drywall, then tap them in with a hammer until they are ush with the wall. 3.
  • Page 27 5. Place the display on the wall mount bracket as shown, attaching the back of the display panel to the magnets on the mounting bracket. Make sure that the alignment tab on the back of the display panel sits in the notch on the bottom of the bracket. www.whisperkool.com | Page 25...

  • Page 28: Flush Mount Bracket Installation

    FLUSH MOUNT BRACKET INSTALLATION Flush Mount Bracket Installation Square the ush mount template on the wall using 2. Peel the backing o the template and stick it to the wall, a level. Then draw a 3” line along the bottom edge aligning the bottom edge with the line drawn in Step 1.
  • Page 29 5. Remove the backing from the double-sided tape on the ush mount bracket. 6. Align magnets with previously drilled holes. Make sure the cut-out portion of the bracket (circled below) is on the bottom. Press the bracket rmly against the wall. WALL HOLE CUTOUT www.whisperkool.com | Page 27...
  • Page 30 FLUSH MOUNT BRACKET INSTALLATION, CONTINUED Connect the end of the display cable to the JST connector on the display panel. DISPLAY BRACKET 8. Place the display on the ush mount bracket as shown, attaching the back of the display panel to the magnets on the mounting bracket.
  • Page 31 WHITE LEGEND BLACK BLACK Field BLACK BLACK BLACK Factory CONDENSATE WHITE PUMP BLACK BLUE GREEN WIRES BLACK 115V YELLOW BLUE WHITE SECONDARY 115V GROUND GREEN GREEN YELLOW 146mm BLACK Blower BROWN WHITE GREY WHITE Capacitor Transformer www.whisperkool.com | Page 29...
  • Page 32 TWIN CEILING MOUNT WIRING DIAGRAM Purchased After 8/22/24 Refco Pump BLACK BLACK BLUE BLUE GREEN GREEN WIRES BLACK WHITE WHITE PRIMARY LEGEND Field CONDENSATE PUMP Factory BLACK 115V WHITE 115V GREEN GREEN GROUND GREEN YELLOW 146mm BLACK BLACK Blower BROWN GREY Capacitor 020924...
  • Page 33 TWIN CEILING MOUNT WIRING DIAGRAM 24V Purchased After 8/22/24 Refco Pump BROWN WHITE Neutral Line BLACK White Yellow BLACK Black Blue PURPLE WHITE PURPLE BLUE WHITE Blue Black Blue Blue Black Black BROWN LINE BLACK YELLOW BLACK WHITE BLACK BLUE WHITE www.whisperkool.com | Page 31...
  • Page 34 TWIN CEILING MOUNT WIRING DIAGRAM 020924 TWINCM Page 32...
  • Page 35 Twin Ceiling Mount TWIN CEILING MOUNT WIRING DIAGRAM www.whisperkool.com | Page 33...
  • Page 36 TWIN CEILING MOUNT WIRING DIAGRAM (24V) 020924 TWINCM Page 34...
  • Page 37 Twin Ceiling Mount TWIN CEILING MOUNT WIRING DIAGRAM (24V) www.whisperkool.com | Page 35...

  • Page 38: Condensing Unit

    CONDENSING UNIT WIRING DIAGRAM 020924 TWINCM Page 36...

  • Page 39: Line Set Piping Diagrams

    1 is speci cally applicable when the system is in- stalled with the condensing unit below or leveled to the coil. Example 2 is applicable when the system is installed with the condensing unit at a higher eleva- tion than the coil. www.whisperkool.com | Page 37...

  • Page 40: Preparing The Condensing Unit

    Troubleshooting Guide. Communication Cable Operation WhisperKOOL’s split systems operate like traditional air conditioners where there is wiring between the condensing unit and the evaporator unit. WhisperKOOL Cassette Condensing Unit systems do not utilize a solenoid valve or low-pressure switch, which allows the system to run like a residential HVAC system.

  • Page 41: Condensing Unit Wiring

    2. Remove electrical cover plate from unit. 3. Connect wiring for: 24V contactor (communication cable), L1, L2, and Ground as identi ed by terminal block label. 4. Leave the circuit breaker o or remove disconnect until unit is ready to charge. www.whisperkool.com | Page 39...

  • Page 42: Installing The Condensing Unit

    INSTALLING THE CONDENSING UNIT Select installation location Before installing the outdoor unit, you must choose an ap- propriate location. The following are standards that will help you choose an appropriate location for the unit. Proper installation locations meet the following stan- dards: •...
  • Page 43 While rmly gripping the body of the valves, use a torque wrench to tighten the are nut according to the correct torque values. TORQUE REQUIREMENTS Outer Diameter of Pipe (in.) Tightening Torque (lb/ft) ¼” 11 lb/ft ¼” 18.4 lb/ft ½” 25.8 lb/ft ⁄ ” 33.19 lb/ft ¾” 47.94 lb/ft www.whisperkool.com | Page 41...
  • Page 44 INSTALLING THE CONDENSING UNIT, CONTINUED Loosen the aring nut slightly, then tighter again. Repeat steps for the remaining pipe. LINE SET PIPING SIZE Twin Ceiling Mount H.E. Line Set Length <25 ft. 26-50 ft. 50-100 ft. Horizontal Tubing ⁄ ” ¾”...
  • Page 45 3.30 lbs 40’ Line Set 3.45 lbs 50’ Line Set 3.60 lbs 60’ Line Set 3.75 lbs 70’ Line Set 3.90 lbs 80’ Line Set 4.05 lbs 90’ Line Set 4.20 lbs 100’ Line Set 4.35 lbs www.whisperkool.com | Page 43...

  • Page 46: Finalizing The Installation

    INSTALLING THE CONDENSING UNIT, CONTINUED Finalizing the Installation • Con rm the entire suction line from the evaporator unit to the condensing unit is insulated using cellular insulation or equivalent. Seal all seams with Arma ex 520 Foam Insulation Adhesive or equivalent. •...

  • Page 47: Txv Adjustment

    With the cap seal removed. (Figure 3) Use a 3/16” service wrench to tighten or loosen the service stem located under the seal cap. When the adjustment is completed, replace the seal cap. FIGURE 2 FIGURE 3 www.whisperkool.com | Page 45...
  • Page 48 TXV ADJUSTMENT, CONTINUED Sanhua TXV Adjustment Some units are equipped with a Sanhua adjustable TXV. Adjustment Steps: Remove the seal cap using two wrenches. (Figure 2) Use a wrench on the BOTTOM cap. Use a wrench on the TOP (seal) cap. With the cap seal removed.

  • Page 49: Display Layout

    KDT- Advanced digital display (50-ft. cable), liquid-temperature-measuring bottle probe (50-ft. Thermostat cable), 24V - Customer supplied. Temp. Delta Can maintain a 55°F cellar temperature with up to 120°F condenser air intake temperature. Warranty Two-year limited warranty (parts and labor). www.whisperkool.com | Page 47...
  • Page 50 There are several factors such as glass, stone, and concrete which will change the required amount of BTUs needed to properly cool your wine room. We strongly recommend utilizing the cellar wizard on the WhisperKOOL website in order to ensure you are selecting the proper cooling system for your application.

  • Page 51: Filter

    Twin Ceiling Mount FILTER Washable lter is installed from the factory on the return side of the grille, secured via velcro strips. www.whisperkool.com | Page 49...
  • Page 52 LINE SET, DRAIN TUBE, AND ELECTRICAL CONNECTIONS • Line set, drain tube and electrical connections have been relocated to be accessible from the bottom (cellar side/grille side) located on return side of unit. • Can be accessed by removing the grille. •...

  • Page 53: Controller Functions

    This button con rms changes made to parameters such as the setpoint and returns you to the previous menu. The light function is not in use. However, this button can still be used to unlock the display. LIGHT www.whisperkool.com | Page 51...

  • Page 54: Icon Glossary

    ICON GLOSSARY Icon Meaning SNOWFLAKE Blinking: The unit is calling for cooling, but must wait ve minutes before restarting the com- pressor. This ve-minute delay serves as an Anti-Short Cycle for the compressor’s protection. Constant: The unit is in cooling mode and the condensing unit is running. DRIPPING SNOWFLAKE The unit is undergoing an Anti-Frost Cycle.

  • Page 55: Alarm Codes

    Twin Ceiling Mount WHISPERKOOL CONTROLLER ALARM CODES Code Cause Solution The following alarm codes will be displayed on the screen along with the alarm icon. Bottle probe is not connected Attach bottle probe to circular connector Faulty bottle probe connection Locate faulty bottle probe connection by inspecting all wiring connections between the bottle probe and the circuit board.

  • Page 56: User Menu

    USER MENU The User Menu is accessed by pressing and holding the SET button for 3 seconds. Use the UP and DOWN ARROW buttons to navigate to desired parameters. Press the SET button again to view these parameters. Press the UP and DOWN ARROW buttons to adjust a parameter.

  • Page 57: Troubleshooting Guide

    If so, contact your installing technician to assist with troubleshooting. System runs constantly Possible cause Solution Leaky door seal or poorly insulated cellar Fix leaky door seal and insulate cellar www.whisperkool.com | Page 55...
  • Page 58 Unit leaks water Possible cause Solution Evaporator unit is not level Evaporator unit should be level on the wall to prevent leaking Drain line clogged or kinked Check drain line to make sure water can ow freely Drain is clogged, preventing water from escaping Disconnect drain and clear it out;...

  • Page 59: System Operation Kdt

    Anti-Frost Cycle is running, “dEF” will be displayed on the screen. The compressor will remain o until the evaporator coil reaches 40°F, or for a maximum of one hour. The unit will then return to normal operation. www.whisperkool.com | Page 57...

  • Page 60: System Operation 24V

    SYSTEM OPERATION 24V Initial Start-Up Set the thermostat to COOL and fan switch to AUTO. Lower the setpoint to the desired cellar temperature. (A temperature of 55°F is the recommended setpoint.) See thermostat instructions for details. Indoor Fan Operation The indoor fan will run when the controller is calling for cooling and turn o once the cooling cycle has ended.

  • Page 61: Maintenance Schedule

    5. Once pan is back in place, poor water into pan to test function of the pump. (Power must be on for this). 6. Once pump function has been veri ed, drop Air Conditioning Pan Tablet inside of pan, then replace grille with screws. www.whisperkool.com | Page 59...

  • Page 62: Technical Assistance

    TECHNICAL ASSISTANCE WhisperKOOL Customer Service is available Monday through Friday from 6:00 a.m. to 4:00 p.m. Paci c Standard Time. The appointed customer service representative will be able to assist you with your questions and warranty information more ef- fectively if you provide them with the following: •...

  • Page 63: Warranty Information

    C. Purchaser must return the completed Split Startup Checklist to WhisperKool within thirty (30) days of installation of Product. The Split Startup Checklist must be approved by WhisperKool to activate the Limited Warranty. If the Split Startup Checklist is approved, Purchaser will be sent activation approval documents and will start receiving the benefits of the Limited Warranty throughout the warranty period.
  • Page 64 6. Proof of purchase of the Product in the form of a bill of sale, receipted invoice or serial number, which is evidence that the Product is within the Limited Warranty Period, must be presented by the End User to WhisperKool in order to obtain limited warranty service.

  • Page 65: Maintenance Requirements

    WhisperKool Customer Service to arrange for replacement under the warranty guidelines. When a claim for warranty is submitted for a condenser skid, the End User must purchase a new condenser skid from WhisperKool at retail price. Upon installation of the new condenser skid by a certified HVAC/R Technician, the HVAC/R Technician must complete the Installation Checklist and End User must submit the Installation Checklist to WhisperKool Customer Service for approval.
  • Page 66 County of San Joaquin, State of California, and all parties, WhisperKool, Purchaser and End User, hereby irrevocably submit to the personal jurisdiction of such courts for that purpose. No waiver by WhisperKool of any breach or default of the contract of sale (including these Terms and Conditions of Sale) concerning a Product will be deemed to be a waiver of any preceding or subsequent breach or default.
  • Page 67 | Page 65...
  • Page 68 Your credit card will be pre-authorized for the total deposit and charged when the replacement order is shipped and invoiced. If you fail to return the original WhisperKOOL unit or part to the factory within 30 days, or no problem is found ...

  • Page 69: Warranty Registration

    Mail to: Fax to: Scan and email to: WhisperKOOL 209-466-4606 warranty@whisperkool.com ATTN: Warranty Registration 1738 E. Alpine Avenue Stockton, CA 95205-2505 Model ______________________________________ Serial Number __________________________ Installed by __________________________________________ Date __________________________ www.whisperkool.com | Page 67...
  • Page 70 WhisperKOOL 1738 E. Alpine Ave Stockton, CA 95205 1-800-343-9463 www.whisperkool.com...

This manual is also suitable for:

H.e. cm9000H.e. cm12000

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