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CellarCool WM2500 VERSION 3 Technician Manual

Wall mount, 24v thermostat conversion kit option
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WALL MOUNT 2500
VERSION 3
TECHNICIAN'S MANUAL
24V Thermostat Conversion Kit Option
NOTICE: To activate the split system warranty,
the installing certified HVAC/R service tech
must complete the split system warranty
checklist and send back to CellarCool.

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Summary of Contents for CellarCool WM2500 VERSION 3

  • Page 1 WALL MOUNT 2500 VERSION 3 TECHNICIAN’S MANUAL 24V Thermostat Conversion Kit Option NOTICE: To activate the split system warranty, the installing certified HVAC/R service tech must complete the split system warranty checklist and send back to CellarCool.
  • Page 2 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.

  • Page 3: Table Of Contents

    Installation Terms & Conditions ............32 CellarCool requires that a certified HVAC-R technician install, pipe, evacuate, charge, start and test all split systems. A NATE Certification is recommended.

  • Page 4: Introduction

    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.

  • Page 5: Quick Start Guide

    24-volt wires running from the evaporator unit to the condensing unit.) CellarCool 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 6: Before You Start

    8. CellarCool 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 CellarCool system, please refer to the Troubleshooting Guide. If you have any further questions or concerns, or need technical assistance, please contact CellarCool’s Customer Service at 1-800-343-9463.

  • Page 7: Receiving And 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: CellarCool units are manufactured in the USA and tested prior to shipment. •...
  • Page 8 QUICK REFERENCE GUIDE QUICK REFERENCE GUIDE Front / Side View Evaporator unit (fan coil unit) Filter grille Rear / Side View Mounting keyholes (4) R E A R V I E W THROUGH THE WALL (Option 1) Knockout for wiring Line set knockout Knockout for drain line Thermostat wire routing for...

  • Page 9: Unit Specifications

    Thermostat Aftermarket (24V thermostat not included) 55°F temperature differential Temp. Delta (maintains proper cellar temperature when exhaust environment does not exceed 110°F) Warranty Two-year limited warranty (parts and labor) www.cellarcool.com | Page 7...

  • Page 10: System

    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 11: 24V Thermostat Conversion Kit Wiring Instructions

    Cold Weather Start Kit Wiring Connections If the system is equipped with a cold weather start kit, connect one of the 18-2 thermostat wires to the purple #12 wire. Connect the other 18-2 wire to the grey #13 wire. Condensing Unit www.cellarcool.com | Page 9...

  • Page 12: Preparing The Evaporator Unit

    PREPARING AND INSTALLING THE EVAPORATOR UNIT Required Tools: • • • • Drill 1/4” wrench Brazing torch Level • • • • 5/32” drill bit Phillips-head screwdriver Drywall saw Pliers • • • • 1/4” socket drill bit Tape measure Ladder Pencil DRAIN PAN...
  • Page 13 Line Set 7. Using a 5/32” drill bit, and drilling from the outside of the unit, cut holes through the unit’s insulation for the line set and drain line. Drain Line www.cellarcool.com | Page 11...

  • Page 14: Installing The Evaporator Unit

    INSTALLING THE EVAPORATOR UNIT Note: The evaporator is designed to be mounted on two standard wall studs spaced 16” apart. 1. Locate two (2) wall studs in the desired location. 2. Mark vertical lines on each stud 16” apart. Note: The top of the unit must be installed a minimum of 3.
  • Page 15 14. Reinstall the access panel removed in Step 1 on page 10 by pushing the four corners into place. 12. Route power supply wires into the unit through the power knockout and install the supplied strain relief. www.cellarcool.com | Page 13...

  • Page 16: Drain Line

    DRAIN LINE Condensation Drain Line (not provided, but required) The condensation drain line tube moves excess condensation from the evaporator unit to a proper discharge location. It is important for the drain line tube to be properly connected in order to prevent leakage and other problems associ- ated with excess condensation.

  • Page 17: 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. 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.
  • Page 18 WM 2500 CONDENSER COMPONENTS Cold Weather Start Kit Standard Electrical Box Electrical Box Low Pressure Switch Cut Out: 5 psi Cut In: 20 psi Fan Cycling Switch Cut Out: 75 psi Cut In: 120 psi Receiver Liquid Line Service Valve Low Pressure Switch Cut Out: 5 psi Cut In: 20 psi...
  • Page 19 WM 2500 SERIES COLD WEATHER START KIT CONDENSER COMPONENTS Thermal Switch Receiver Heater Enclosed Power Compressor Contactor COLD WEATHER START KIT Relay (Magnecraft Relay) ELECTRICAL SET UP Bypass Timer Start Assist (Magnecraft Relay) www.cellarcool.com | Page 17...

  • Page 20: Wm2500 Evaporator With 24V Thermostat Conversion Kit

    WM 2500 EVAPORATOR UNIT WITH 24V THERMOSTAT CONVERSION Mini/WM Version 3 with KIT WIRING DIAGRAM 24V Thermostat Conversion Kit White Transformer Yellow Black 24V Hot Black Blue 24V Common Black Blue Blue Solenoid Relay Relay Blue Thermostat LEGEND Blue Field Installed Green Yellow Factory Installed...

  • Page 21: Wm2500 Condensing Unit

    For Systems Manufactured 01-22-16 or Later White (D) Black (B) Black (A) Black Black/White Black Green Black Blue HEATER Blue Black Blue (E) White (C) (115V) (GREEN) FAN (CONDENSER) START CAPACITOR RELAY - CURRENT Blue OVERLOAD www.cellarcool.com | Page 19 COMPRESSOR TERMINALS...

  • Page 22: Wiring Diagrams

    WM 2500 CONDENSING UNIT WITH COLD WEATHER START KIT WIRING DIAGRAM For Systems Manufactured 01-22-16 or Later Purple (12) Grey (13) COIL 24V Relay Blue (10) White (D) Red (6) Red (7) Red (8) Black (B) Red (9) Black (B) Blue (10) White (5) Black (A)

  • Page 23: Installing The Condensing Unit

    The refrigerant drier and the sight glass shall be installed (in that order) in the direction of the refrigerant flow in the liquid line between the condensing unit and evaporator unit. Enclose the suction line in a cellular insulation Armaflex (1/2” wall thickness) or comparable insulation to reduce heat transfer. www.cellarcool.com | Page 21...

  • Page 24: Line Set Piping Diagram

    LINE SET PIPING DIAGRAMS These are two options for running the line set from the coil to the condensing unit. Option 1 is specifically applicable when Option 1 the system is installed with the condensing unit below or leveled to the coil.
  • Page 25 30 minutes. If not, check again for leaks and repair, then perform another leak test. When it is confirmed that there are no leaks, release the nitrogen pressure and leave the solenoid valve energized. Insulate the 3/8” suction line with the 10” piece of supplied cork tape. www.cellarcool.com | Page 23...
  • Page 26 INSTALLING THE CONDENSING UNIT Evacuation Connect the evacuation type 4 valve gauge manifold to high- and low-pressure service valve ports on the condensing unit. The valve stems should be mid-seated (as when leak testing). Install service caps on the valves and tighten them. Energize the liquid line solenoid valve (make sure there is fresh oil in the vacuum pump).

  • Page 27: System Operation

    55°F. NOTE: To ensure correct system operation, the 24V thermostat must be placed inside the wine cellar, preferably in a central location away from any airflow. www.cellarcool.com | Page 25...
  • Page 28 NOTES Page 26 | 1-855-235-5271 040418...

  • Page 29: 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.cellarcool.com | Page 27...
  • Page 30 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 Drain is clogged, preventing water from escaping Disconnect drain and clear it out, open access door and check drain for blockage Drain line does not have a downward slope...
  • Page 31 Fan switch on thermostat set to "on" Set fan switch to the "auto" position Fan relay in thermostat or 24V conversion kit stuck on Call customer service for details on how to perform the bypass plug test www.cellarcool.com | Page 29...

  • Page 32: Maintenance Schedule

    MAINTENANCE SCHEDULE Monthly 1. Check for debris surrounding condensing unit (leaves, branches, trash, etc); remove all obstructions 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.

  • Page 33: Technical Assistance & Accessories

    TECHNICAL ASSISTANCE CellarCool 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 34: Installation Terms & Conditions

    Product. 2. PARTS - For a period of two (2) years commencing on the date of purchase, CellarCool will supply, at no charge, new or rebuilt replacement parts in exchange for defective parts. Replacement parts are warranted only for the remainder of the original warranty period.
  • Page 35 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 CellarCool in order to obtain limited warranty service.
  • Page 36 CellarCool 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 CellarCool 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 CellarCool Customer Service for approval.
  • Page 37 County of San Joaquin, State of California, and all parties, CellarCool, Purchaser and End User, hereby irrevocably submit to the personal jurisdiction of such courts for that purpose. No waiver by CellarCool 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 38 CellarCool 1738 E. Alpine Ave Stockton, CA 95205 1(800) 343-9463 www.cellarcool.com...

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