YMGI SYMPHONY CHOIR (59)2 EL Series Installation Instructions & User Manual
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YMGI SYMPHONY CHOIR (59)2 EL Series Installation Instructions & User Manual

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INSTALLATION INSTRUCTIONS & USER'S MANUAL
For Model Numbers:
WMMS-09EL-V2B(59)2
WMMS-12EL-V2B(59)2
WMMS-18EL-V2B(59)2
Thank you for choosing this YMGI product. Please read the user's manual carefully before installation/operation and retain for your
records and future reference. If you need a replacement copy, please contact your local agent or visit www.ymgigroup.com to
download a current electronic version.
This product is designed and manufactured to be free from any defects in material and workmanship during normal use and
maintenance. Installation, operation, maintenance and repairs must follow all standards and professional practices for regular
cooling and heating equipment, such as NEC, State, or Local Codes and all related documents/manuals provided by YMGI.
Failure to follow and adhere to all codes and documentation can cause damage to equipment, property or even personal injury.
Installer: Must be currently licensed/certified HVAC technicians only. Must Read the manual and all provided documents prior
to installation. Complete and fill out all required information on the Warranty Registration Card.
User: Retain this manual and all supplied documents for your records and future reference.
Servicer: Use this manual for information concerning servicing and maintenance of this product.
Only qualified technicians should install and service this equipment. The installation, startup, operation and servicing of this
equipment can be hazardous and requires a HVAC professional who has been trained, licensed and certified. Installations,
adjustments or any equipment alterations done by an unqualified person could result in serious injury and even death. When
working on the equipment, observe all precautions in the provided documents, on the tags, stickers, and labels that are attached
to or placed on the equipment.
YMGI: Your Modern Green Idea
YMGI: Engineered Comfort Products for An Efficient
SAFETY WARNING
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
and Sustainable Green World!
NOTICE
1

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Summary of Contents for YMGI SYMPHONY CHOIR (59)2 EL Series

  • Page 1 WMMS-12EL-V2B(59)2 WMMS-18EL-V2B(59)2 Thank you for choosing this YMGI product. Please read the user’s manual carefully before installation/operation and retain for your records and future reference. If you need a replacement copy, please contact your local agent or visit www.ymgigroup.com to download a current electronic version.

  • Page 2: Table Of Contents

    Limited Product ........................... 8 Limited Product Warranty Registration Card ................9 Why Does YMGI Group Require Installation and Service to Be Performed 100% by Currently Licensed or Certified HVAC Technicians/Contractors ........11 Suggestions to Aid You in Hiring an HVAC Contractor ..............11 Safety Precautions ........................

  • Page 3: Introduction

    Refrigerants that contain Chlorine, Fluorine and Carbon (CFCs) and those containing Hydrogen, Chlorine, Fluorine and Carbon (HCFCs), may affect the ozone layer. Not all refrigerants have the same potential impact on the environment. YMGI Group advocates for the responsible handling of all refrigerants including industry replacements for CFCs such as HCFCs and HFCs.
  • Page 4 Copyright This document and the information contained therein are the sole property of YMGI Group and shall not be used or reproduced in whole or in part, without the written permission of YMGI Group. YMGI Group reserves the right to revise this manual at any time and to make changes to its content without obligation to notify anyone about any modifications, revisions or changes.

  • Page 5: Note From Ymgi - Must Read

    YMGI Group is the MEDIA AUTHORITY: YMGI Group, located in O'Fallon, MO 63366 is the author of all media produced for its products and is the only party able to give any additional explanation for any data, definitions and or descriptions found within any of its media, including but not limited to YMGI product brochures, manuals, pamphlets, catalogs, and videos.
  • Page 6 In an effort to help protect our customers from possible faulty installations that can lead to premature unit failure, YMGI provides the above information for you and the technician. You can observe while your system is being installed, even though your observation is not a guarantee your system is being or has been installed properly and professionally.

  • Page 7: Installing Technician/Contractor's Responsibilities

    Make sure you have all the materials you need to properly, completely and correctly finish the installation. The YMGI units and accessories may be just a portion of what you will need for the project. When support issues arise, remember YMGI employees and YMGI distributors/sales, dealers and agents are not installers and may only provide suggestions.

  • Page 8: Limited Product

    YMGI Group upon request. Warranty parts may be new or refurbished. All parts are tested and approved before shipping. At no time does YMGI Group warrant labor cost of any type. Warranty will start from the date of successful installation at original installation location, or 90 days as of original shipping date from YMGI Group, whichever comes first.

  • Page 9: Limited Product Warranty Registration Card

    2. YMGI will check the customer's warranty filing. There will be no charge for Parts with a validated and approved warranty. Any Parts that have not been validated and approved or have an invalid warranty filing resulting in an unapproved warranty request, will be charged accordingly.
  • Page 10 YMGI: Your Modern Green Idea YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 11: Why Does Ymgi Group Require Installation And Service To Be Performed 100% By Currently Licensed Or Certified Hvac Technicians/Contractors

    6. Some contractors/technicians may not feel comfortable about installing equipment that has been purchased by someone other than themselves. They prefer to purchase and install the equipment themselves. You can contact YMGI directly to check and see if there are contractors in your area who have installed our products or any similar products.

  • Page 12: Safety Precautions

    If the unit does not operate normally or if you notice any type of burning odor, power off the unit and turn off the main power supply, then immediately contact your YMGI authorized repair service center or HVAC professional.
  • Page 13 YMGI: Your Modern Green Idea YMGI Group will not be responsible for any personal injury or any property damage caused by improper or incorrect installation, improper service or maintenance or by not following the instructions listed in this manual. DO NOT pull on the power supply cords or refrigeration lines that are connected to the indoor and outdoor units.

  • Page 14: System Diagram

    YMGI: Your Modern Green Idea System Diagram YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 15: Recommended Tools For Installation

    Wire Stripper  Sharp Plier  Cable Ties  Black Tape for Electrical Use  Electrical Meter Trial Running Units and Inspection  Clamp Meter  Manifold  Infrared Thermometer YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 16: Component Identification

    The unit must be installed in accordance with national and local wiring codes.  An all-pole disconnection switch, having a contact separation of at least 3mm in all poles, should be connected in the fixed wiring. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 17: Installation Of Indoor Unit

    Do not install the indoor unit where there is irregular electrical power supply. Indoor Unit Installation Drawings The indoor unit may be mounted in any of the three ways illustrated below. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 18 YMGI: Your Modern Green Idea Location for securing the installation pane. Schematic drawing of hooks. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 19 The suggested shortest pipe length is 2.5m or 98 5/16 inches. This is to prevent noise and vibration from the outdoor unit when the system is running. Some mechanical noise and vibration may occur depending on how the unit is installed and the environment in which it is used. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 20 Insulate the indoor drain pipe with 10mm or 5/16 inch or more of insulation material to prevent condensation. • Remove the air filters and pour a small amount of water into the drain pan to make sure that the water flows freely and drains completely. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 21 Follow the procedure shown when removing the slit portions. For Moldings Remove the Side and Top Casings. (Remove the slit portions on the bottom frame, if necessary, using nippers.) YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 22 A gap can lead to condensation on the refrigerant pipe and drain pipe, or allow insects to enter the building. Attach the front panel and front grille in their original positions once all connections are complete. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 23: Installation Of The Refrigerant Pipes

    Liquid side 07/09 class 12/18 class 07/09/12/18 class 3/8 inch 1/2 inch 1/4 inch 32.7-39.9 Nm 49.5-60.3 Nm 14.2-17.2 Nm (24.1-29.4 ft.. lbs.) (36.5-44.5 ft.. lbs.) (10.5-12.7 ft.. lbs.) YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 24 Secure the slit on the refrigerant piping side with the butt joint on the auxiliary piping using tape, making sure there are no gaps. Wrap the slit and butt joint with the included insulation sheet, making sure there are no gaps. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 25 Secure the communication line with the wire clamp on the electric box. Tug on the wires to make sure that they are attached securely, then secure the wires with a wire retainer. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 26 Do not wrench or bend the drain hose or place the open end into water. Wrap with heat resistant material when connecting the longer drainage tube through to the indoor unit. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 27: Working Temperature Range

    Rated Heating 20 (68) 15 (59) 7 (44.6) 6 (42.8) — Max. heating 27 (80.6) 24 (75.2) 18 (64.4) Min. heating 20 (68) 15 (59) -15 (5) -16 (3.2) YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 28: Remote Controller

    7. I FEEL 8. FRESH AIR 9. SLEEP 10. TEMP 11. QUIET 12. CLOCK 13. T ON-T OFF 14. TURBO 15. LIGHT 16. X-FAN Introduction for icons on display screen YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 29 Press this button to set up & down swing angle, which circularly changes as below: This remote controller is universal. If any command is sent out, the unit will carry out the command as YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 30 In the presetting or enquiry procedure, press “ON/OFF” button, “Mode” button, “Timer” button or “Sleep” button, the sleep curve setting or enquiry status to quit. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 31 10 minutes in order to dry the indoor unit after you have turned off the unit. After energization, X-FAN OFF is defaulted. X-FAN is not available in AUTO, FAN or HEAT mode. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 32 If the remote control does not operate normally, take the batteries out for 30 seconds, and then reinsert them. If it still does not operate properly, replace the batteries. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 33: Maintenance

    For cleaning, do not use: water above 40°C (104°F), benzene, gasoline, thinner, nor other volatile oils, polishing compound, scrubbing brushes, or any other abrasives.  After cleaning, make sure the front panel is secured. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 34: Filters

    Operating the unit without air filters can result in clogged coils, and reduce the unit’s efficiency. It can also have a negative impact on other components inside the unit, reducing its life span. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 35 Titanium Apatite Photocatalytic Air-Purifying Filter The Titanium Apatite Photocatalytic Air-Purifying Filter can be reused several times before requiring replacement. By washing it with water once every 6 months, you can improve indoor air quality. YMGI recommends replacing the filter once every 3 years.
  • Page 36 Setting of the main and slave indoor units: Main indoor Slave indoor  3(M / S) For resolution of conflict among the modes. unit unit  This function is available without the wired controller. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 37: Error Codes

    PROTECTION AND ERROR CODES If an error occurs, the error code will be displayed on the indoor unit display, wall mounted controller, or the main board of the outdoor unit. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 38 YMGI: Your Modern Green Idea YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 39 No Master Indoor Unit Error Communication Error Sensor Error Power Insufficiency Outlet Pipe Temperature Filter Cleaning Reminder Protection Sensor Error Special Code: Outlet Air Temperature Project Debugging Code Sensor Error YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 40 5) Is there a window or door opened? 6) Is the unit refrigerant at a lower level? 7) Is the outdoor temperature too hot or cold? 8) Is fan speed set at a low speed? YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 41 Note: If the air conditioner still runs abnormally after the above check and handling, please contact the maintenance serviceman at the local appointed service center and also give a description of the error occurred as well as the model of the unit. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 42: Analyzing Malfunctions

    • Moisture has been pulled into the unit involuntarily. • Water leakage in the room. • Overheating of the power cord. • Odor is noticed when unit is running. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 43: User Notes And Installation/Service/Maintenance Notes

    SERVICE / MAINTENANCE NOTES Please list any questions or issues you may have with this unit: Technician’s Company Name, Technician Date Contents of Service / Maintenance Name, Phone & HVAC License # YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 44 YMGI: Your Modern Green Idea YMGI is dedicated to designing, manufacturing and distributing the highest quality, energy saving and environmentally friendly air conditioner and heat pump products, while providing the best service and support to all of our customers. Our mission is to help build a sustainable, efficient and green world.

This manual is also suitable for:

Wmms-09el-v2b(59)2Wmms-12el-v2b(59)2Wmms-18el-v2b(59)2

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