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WhisperKool Mini Ceiling Mount Technician Manual

Version 4, 24v thermostat conversion kit option
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MINI CEILING MOUNT
VERSION 4
TECHNICIAN'S MANUAL
24V Thermostat Conversion Kit Option

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Summary of Contents for WhisperKool Mini Ceiling Mount

  • Page 1 MINI CEILING MOUNT VERSION 4 TECHNICIAN’S MANUAL 24V Thermostat Conversion Kit Option...
  • 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

    System Operation......... . . 31 WhisperKOOL Troubleshooting Guide ..... . 34 Maintenance Schedule .
  • 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: Introduction

    INTRODUCTION Customer Service Thank you for purchasing a WhisperKOOL 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 WhisperKOOL.com.
  • Page 6 WhisperKOOL units utilize a solenoid valve on the liquid line and a low-pressure switch on the suction line. When the thermostat calls for cooling, the solenoid valve opens, permitting the flow of refrigerant. The low-pressure switch then signals the compressor to cycle on.

  • Page 7: Before You Start

    8. WhisperKOOL requires that all split systems be installed by a certified HVAC-R technician only. NATE or equivalent is recommended. If you encounter a problem with your WhisperKOOL system, please refer to the Troubleshooting Guide. If you have any further questions or concerns, or need assistance, please contact WhisperKOOL’s Customer Service at 1-800-343-9463. Please be sure all testing has been completed prior to contacting Customer Service.

  • Page 8: Receiving & Inspecting The System

    Allow the condensing unit to sit for 24 hours prior to start-up. The condensing unit can be placed in the installation location, piped and evacuated during this time. Note: WhisperKOOL units are manufactured in the USA and tested prior to shipment. •...

  • Page 9: Quick Reference Guide

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

  • Page 10: Knockout Locations

    KNOCKOUT LOCATIONS 22.05” 12.74” 1” Top View 11.34” 10.34” 1.17” 1.17” 1” 11.34” 22.05” .88” 1.43” .88” 3.5” 2” 15.67” 9.03” 1.71” 1.71” 1” 1.5” 1.5” .32” Side View 1 Side View 2 11.08” 11.08” 10.08” 7.87” 7.55” 11.34” 22.05” 1.43”...

  • Page 11: Specifications

    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 12 SPLIT SYSTEM CHECKLIST In order to activate the warranty for this product, the information here must be complete and accurate. Any incorrect or omitted information will result in a return trip by the installing technician at their cost. DATA RECORDINGS Note: All readings need to be taken while the compressor is running.

  • Page 13: Evaporator Installation Items To Route Before Installing The Evaporator Unit

    Mini Ceiling Mount 24V WIRING CONNECTIONS (EVAPORATOR UNIT) The 24V Thermostat Conversion Kit requires a standard 18-5 thermostat wire to be run from the evaporator unit to the thermostat. The white wire will not be used, as there is no heating function. (Some thermostats need a common wire and some do not;...

  • Page 14: Selecting Mounting Option

    SELECTING MOUNTING OPTION Minimum Tools Needed: T-square Hammer #2 Phillips-head screwdriver 1. Locate the desired installation location. Using a stud finder, locate the ceiling joists on either side of the center point. Cut and frame an opening in the ceiling measuring 12” x 22.75”. Make sure the framing is sufficient to support the weight of the cooling unit.

  • Page 15: Mounting The Evaporator Unit

    Mini Ceiling Mount MOUNTING THE EVAPORATOR UNIT NOTE: If installing the unit without attic access, perform steps 5-21 prior to steps 3-4. Secure the mounting bracket to the unit using the twelve (12) supplied 3/8” Phillips pan-head screws. NOTE: You are REQUIRED to use only the mounting locations provided.  These locations ensure that the installer will not drill into any copper or electrical wiring within the system.

  • Page 16: Evaporator Unit Preparation

    EVAPORATOR UNIT PREPARATION Unscrew the sixteen (16) screws and remove the top Remove the knockout(s) that you will be using to route access panel. the line set, power wires, and drain line. 1. Power cable 2. Thermostat wiring Locate the white zip tie securing the drain line tube to the suction line and cut it.

  • Page 17: Evaporator Unit Installation

    Mini Ceiling Mount INSTALLING THE EVAPORATOR UNIT Remove the protective caps from the liquid and Insulate the suction line using Armaflex or similar suction line connection tubes (as shown above). insulation. Route the drain line out of the evaporator unit with Using copper tubing per line set sizing chart, route the line set.
  • Page 18 Connect the green wire to the green wire, the black wire to the black wire, and the white wire to the white wire. Slide the electrical panel back down into the unit. Reinstall the top access panel and fasten the sixteen (16) screws into place.

  • Page 19: Insulation Blanket Installation

    Mini Ceiling Mount INSULATION BLANKET INSTALLATION *Tools required: spray adhesive, utility knife, cork tape, foil tape Mini Ceiling Mount blanket dimensions 68” 22” Insulation Blanket Insulation Blanket 11.25” 11” Ceiling Mount blanket dimensions 102” 35.75” Insulation Blanket Insulation Blanket 14.25”...
  • Page 20 INSULATION BLANKET INSTALLATION, CONTINUED 1. Spray the top of the evaporator unit with spray adhesive. (See spray adhesive directions for proper tack time before proceeding to step 8.) 2. Set piece (B) in place by pressing firmly on all surfaces of the insulation that come in contact with the top of the evaporator unit (see illustration).

  • Page 21: Drain Line

    Drain Line The Mini Ceiling Mount evaporator unit features a drain line pump system that removes excessive condensate build up in the drain pan. During operation, the drain pan collects water that drips from the coil. The drain line pump system will prevent overflow and leaking by allowing for discharge of the additional condensate.

  • Page 22: Mini Ceiling Mount Evaporator Wiring Diagram

    MINI CEILING MOUNT EVAPORATOR WIRING DIAGRAM Mini CM/CM2500 Version 2 with WITH 24V CONVERSION KIT 24V Thermostat Conversion Kit White Transformer Yellow 24V Hot Black Black 24V Common Blue Black Blue Blue Solenoid Relay Relay Blue Thermostat LEGEND Blue Field Installed...

  • Page 23: Preparing The Condensing Unit

    Provide a weatherproof disconnect for the condensing unit if it is located outside. Power surges and spikes can damage sensitive electrical equipment. WhisperKOOL 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.

  • Page 24: Mini Ceiling Mount Condensing Unit Wiring Diagram

    MINI CEILING MOUNT CONDENSING UNIT WIRING DIAGRAM For systems manufactured after October 31, 2018       062519 Page 22 | 1-800-343-9463...

  • Page 25: Copeland Cold Weather Start Kit Wiring Diagram

    Mini Ceiling Mount COPELAND COLD WEATHER START KIT WIRING DIAGRAM For systems manufactured after October 31, 2018 Black Black COPELAND CWSK HEATER www.whisperkool.com | Page 23...

  • Page 26: Line Set Piping Diagrams

    LINE SET PIPING DIAGRAMS These are two options for running the line set from the coil to the condensing unit. Option 1 applies Option 1 when the system is installed with the condensing unit below or leveled to the coil. Option 2 applies when the system is installed with the condensing unit at a higher elevation than the...

  • Page 27: Installing The Condensing Unit

    Mini Ceiling Mount INSTALLING THE CONDENSING UNIT DO NOT BLOCK airflow through the exterior housing. This will restrict airflow and void the warranty. Refrigerant Piping Overview • Using the charts and illustrations found above, route the line set between the evaporator unit and condensing unit. Be sure to reference the chart for correct line set sizing.
  • Page 28 INSTALLING THE CONDENSING UNIT (continued) Charging • With the power off to the condensing unit, admit liquid refrigerant through the liquid line service valve until the refrigerant stops flowing. • Turn on the circuit breaker for the condensing unit. The compressor should turn on if the pressure in the suction line is above 25 psi.
  • Page 29 Mini Ceiling Mount MINI CEILING MOUNT WIRING PROCEDURES 1. Locate or install an electrical outlet near the condensing unit. 2. Follow the instructions listed below to wire the condensing unit. 3. Leave the circuit breaker off until the unit is ready to charge.
  • Page 30 Copeland Wiring Procedure Step # Remove the cover to expose the internal wires. Copeland Wiring Procedure Step # Route the required 115V power wires into the open clamp on the enclosure. 062519 Page 28 | 1-800-343-9463...
  • Page 31 Mini Ceiling Mount Copeland Wiring Procedure Step # Tighten the screws on the clamp to secure wire casing or conduit in place. Copeland Wiring Procedure Step # Perform the following wire connections: • Insert the Line 115V wire into the “H” lever connector •...
  • Page 32 Copeland Wiring Procedure Step # Push wires back into enclosure. Copeland Wiring Procedure Step # Re-install cover. 062519 Page 30 | 1-800-343-9463...

  • Page 33: System Operation

    Mini Ceiling Mount SYSTEM OPERATION The cooling system is equipped with the hardware needed to support a 24-volt air conditioning thermostat (not included). Initial Start-Up The condensing unit controller is preset at the factory. The Set the thermostat to COOL and fan switch to AUTO. Lower cut-in pressure is preset to 25psi and the cut-out pressure at the setpoint to the desired cellar temperature.
  • Page 34 Emerson Electronic Unit Controller ™ Quick setup and troubleshooting guide Fan light 1 & 2 Compressor Adjusting Low Pressure Settings Book of Alarms – (Fan cycle units only) to enter alarm menu Hold DOWN and SET simultaneously for 3 seconds to enter menu (PSI light will ...
  • Page 35 Mini Ceiling Mount Display Likely Causes Other Possible Causes Controller display remains • Unit power not properly applied - check for proper applied voltage • Power cable miswired – inspect cable, replace if blank after applying power • Power cable harness not plugged in properly or securely into the needed back of the controller –...

  • Page 36: Whisperkool Troubleshooting Guide

    WHISPERKOOL TROUBLESHOOTING GUIDE Unit has ice forming on the evaporator unit Possible cause Solution Evaporator filter or coil is dirty Remove the filter and wash it, then clean the coil with a vacuum. If coil is very dirty, use a spray bottle with a small amount of liquid dish detergent or coil cleaner.
  • Page 37 Mini Ceiling Mount 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 flow freely...
  • Page 38 Units equipped with the 24V Thermostat Conversion Kit: Does not power up or run Possible cause Solution Batteries on thermostat have lost their charge Change batteries Thermostat wired incorrectly Check wiring on 24V thermostat and correct Wiring issue at evaporator unit Contact Customer Service for troubleshooting Condensation levels are critical and prevent the unit from running Contact Customer Service for troubleshooting...

  • Page 39: Maintenance Schedule

    Mini Ceiling Mount MAINTENANCE SCHEDULE Monthly 1. Check coils 2. Check for unusual noise or vibration 3. Check the drain line to see if it is above the waterline (if draining into a vessel) Quarterly 1. Use a vacuum with brush attachment to clean coils; be careful not to crush coil fins when cleaning 2.
  • Page 40 October 2006 AE5-1340 Care and Cleaning of Air Cooled Condensing Units Introduction Proper care is essential to assure good life of condensing Coil cleaning agents must not be allowed to drain into units. Dirty or damaged condensers will reduce the the condensate pan as this may cause damage.

  • Page 41: Technical Assistance & Accessories

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

  • Page 42: Installation Terms And Conditions

    WhisperKOOL warrants against defects in material and workmanship as follows: 1. LABOR — For a period of two (2) years commencing on the date of purchase, WhisperKOOL will, at its option and discretion, reimburse up to $250 to the End User for cost incurred for servicing, repairing, removing or installing warranty parts.
  • Page 43 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 44 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 45 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 46 Model ______________________________________ Serial Number __________________________ Installed by __________________________________________ Date __________________________ 062519 Page 44 | 1-800-343-9463...
  • Page 47 WhisperKOOL 1738 E. Alpine Ave Stockton, CA 95205 1-800-343-9463 www.whisperkool.com...

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