YMGI SYMPHONY CHOIR WMMS-2x09K-V2B(46)2 Installer's Instruction & User's Manual
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YMGI SYMPHONY CHOIR WMMS-2x09K-V2B(46)2 Installer's Instruction & User's Manual

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INSTALLER'S INSTRUCTION & USER'S MANUAL
SYMPHONY CHOIR DC INVERTER DUAL ZONE (46)2
Model Numbers:
System:
WMMS-2x09K-V2B(46)2
IDU:
WMMS-09EW-V2B(46)2
ODU:
WMMS-21CH-V2B(46)2
System:
WMMS-2x12K-V2B(46)2
IDU:
WMMS-12EW-V2B(46)2
ODU:
WMMS-24CH-V2B(46)2
Thank you for choosing this YMGI product. Please read the owner's manual carefully before installation and 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 repair 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 even personal injury.
Installer: 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.
Wall Mount Mini Split Systems
2x09k and 2x12k, 15 SEER Cooling and Heat Pump
SAFETY WARNING
YMGI: Your Modern Green Idea
NOTICE

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Summary of Contents for YMGI SYMPHONY CHOIR WMMS-2x09K-V2B(46)2

  • Page 1 WMMS-24CH-V2B(46)2 Thank you for choosing this YMGI product. Please read the owner’s manual carefully before installation and 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 Warranty ........................8 Limited Product Warranty Registration Card ..................10 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 YMGI: Your Modern Green Idea YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 4: 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 5 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 6: 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 7 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 8: Installing Technician/Contractor's Responsibilities

    You will be solely responsible for the entire installation that you have been contracted. 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 9: Limited Product Warranty

    Compressor: YMGI will warrant the compressor of an YMGI-validated and approved warranty filing, for a period of 7 years from the date of successful installation at its original installation location. Parts: YMGI will warrant parts of an YMGI-validated and approved warranty filing, for two years from the date of successful installation at original installation location.
  • Page 10 YMGI Technical support the exact part(s) needed to fix the problem(s). 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 11: Limited Product Warranty Registration Card

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

  • Page 12: 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 13: Safety Precautions

    YMGI Group recommends that only properly trained and authorized personnel be allowed to repair or service the unit. Improper repairs or servicing can result in electric shock or fire hazards. Please contact YMGI Group if you need help locating a qualified repair or service technician.
  • Page 14 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 15: Breif Introduction To Mini Split Wall Mount Systems

    Several single-zone ductless systems or multiple-zone ductless systems would be proper in this application. These units are designed for applications in:    Residential Institutional Commercial    Light commercial Industrial Hospital YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 16: Sample Layout

    YMGI: Your Modern Green Idea SAMPLE LAYOUT OF INSTALLED SYSTEM YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 17: Specification Sheet

    38” x 14” x 12” 38” x 14” x 12” Indoor Unit Packing (W*D*H) inch Net/Gross weight lbs. 22/26 22/26 Model DR-9538-731 MDR-9538-901P Outdoor fan motor Brand XINNONG XINNONG YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 18 & heating performance in low ambient temperature ranges. 4. Heating capacities up to 85% @ 17°F ambient temperature, up to 60% @ -4°F varying upon geographic location and actual installation. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 19: Connection Of Wiring

    2 x 09K 2 x (1/4+3/8") 10AWG , 208-230V/1/60Hz, 4×AWG18 L/N/G, 208-230/1/60, , 208-230V/1/60Hz, 4×AWG18 15 - 75 / 35 2 x 12K 2 x (1/4+3/8") 10AWG , 208-230V/1/60Hz, 4×AWG18 YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 20 Efficiency and lifetime of system is increased. YMGI Mini Split Wall Mount Systems are all heat pumps (some manufacturers make cooling only, and heat pumps with auxiliary electric heaters). These units can be easily wired. Either indoor unit or outdoor unit can be used with any matched comparable outdoor unit or indoor unit as long as they have matched size and control.

  • Page 21: Engineering Submittals - Dimensions

    UNIT ENGINEERING SUBMITTALS - DIMENSIONS – INDOOR UNITS Model inches inches inches WMMS-09E-V2B(48)2 31” 11” 8” WMMS-12E-V2B(48)2 31” 11” 8” MOUNTING BRACKET CLEARENCE Note: Actual unit/part may appear differently than what is the above illustration. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 22 Weight (lbs.) Model Gross ” ” ” ” ” 33.46 23.85 11.49 12.67 19.88 2 x 09K ” ” ” ” ” 34.33 27.59 12.28 13.14 23.22 2 x 12K YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 23: Installation Clearance

    YMGI: Your Modern Green Idea INSTALLATION CLEARANCE REQUIREMENTS GENERAL YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 24: Installation-Location Selections

    MAKE SURE OF ENOUGH SPACE FOR INSTALLATION AND MAINTENANCE To take into consideration the operational convenience and safety in installation, it is recommended to ensure enough space between the unit and the walls. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 25: Recommended Tools For Installation

    Cable Ties  Black Tape for Electrical Use  Electrical Meter 4) Trial Running Units and Inspection  Clamp Meter (Not Shown)  Manifold  Infra Thermometer (Not Shown) YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 26 Check to be sure you have all the additional parts and accessories that are required for the installation and those provided with the unit.  It is strongly recommended to only use YMGI supplied or approved parts and accessories.  Be sure a properly sized circuit breaker is installed for the electric power suppling the units.

  • Page 27: Installation-Indoor Units

    Confirm the position of the holes and finish drilling to the depth required for anchors (NOT for screws).  Align the mounting plate holes with the holes drilled on the wall and put anchors or screws into the holes to secure the mounting plate. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 28 • The copper pipe and the drain hose must be wrapped with piping wrap. The insulation pad (underlay) should be used where the • pipe contacts the wall. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 29 STUFF AND SEAL THE HOLE FOR COPPER LINE SET/WIRE and CABLE/DRAIN HOSE Use putty to seal the wall hole. • Use a clamp (pipe fastener) to secure the pipe at the specified location. • YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 30: Installation-Outdoor Units

    Heat pump unit must be lifted up from ground level, allowing any condensate to drain out of the drain pan in condensing unit. Otherwise, condensate may ice up causing damage to the unit. We suggest using YMGI brackets and condensate drainage fitting accessories.

  • Page 31: Connect Refrigerant Pipes Between Indoor And Outdoor Units

    Pipe length not to exceed 75 feet, elevation not to exceed 35 feet. Insulate both the liquid and gas copper lines with at least 3/8-inch-thick insulation tubes. Band, tape and secure the refrigerant lines. Support copper lines at a proper distance apart to keep the tubes from sagging. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 32 In this case, wrap a wet rag around the pipe to protect the valves or other components from being overheated. When using flux, rub the tube surface using steel wool to remove any oxidation. Then clean and dry to protect the system from any possible contamination. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 33: Piping Guide

    Use an elbow tool for Do not make bends that are consistent bending radius. less than 90 degrees. Maintain the minimum Do not bend shot pipes. bending radius. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 34 Keep bending of the piping line to a minimum to avoid any possible negative impacts on the performance of the units.  Make a P-trap if the elevation drop difference is more than 24 inches, as illustrated below. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 35: Installation Of Accessories

    Supplied with fastening screws and anchor bolts.  Easy to install.  Honeycomb structure acts as an anti-vibration & humming absorption for quiet operation. Size(Inch) Capacity Model Btu/h RIST-0918-PVC 14.2 09K-18K RIST-1860-PVC 17.7 18K-60K YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 36: Check Leakage Before Charging Idu

    For Multi-Zone systems repeat this process for each zone with indoor units attached to it. If all zones are not being used, check the flared nuts on the unused valves, and ensure that they are tightened to avoid any potential system leaks. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 37 Warning: R410A refrigerant bears higher pressures than R22. of AC for Long Time in Cold Weather. Refrigerant should only be handled by Licensed HVAC technician. Closely Check/Watch Refrigerant Charge Level YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 38 Refrigerant (pressures/temperatures at service values/pipes should be good).  Drainage (condensate/water flow should be dripping out of drainage pipe ONLY).  Noise (there should be not any abnormal sound). YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 39 The washable filter will last a long time. But some (enhanced) filters may only have a lifetime of about one year under normal conditions. As far as the silver ion filter, it will become invalid when its surface becomes black (green). YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 40: Remote Control-Button Name & Functions

    Above figure shows all indicators for the purpose of illustration, but when in use, only the activated function icons are indicated. When air-conditioner is in cooling only mode, the HEAT icon indicates the fan status. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 41: Operation Of Remote Control

    If the wireless remote control will not be used for an extended period, it is recommended to remove the batteries. Leaving the batteries in could cause them to leak. This will cause damage to the remote control. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 42: Cleaning And Care

    Install front panel Place two supports of the front panel into the slots, along the direction of arrows to cover and clasp the front panel. As show in figure. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 43 1. Turn main power off by disconnecting electrical power disconnect switch. 2. Clean filter and unit. 3. Cover the unit to keep dust or moisture out of the unit. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 44: Wiring Diagrams

    YMGI: Your Modern Green Idea WIRING DIAGRAMS 2x09k Systems: Indoor Unit: WMMS-09EW-V2B(46)2 Outdoor Unit: WMMS-21CH-V2B(46)2 YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 45 YMGI: Your Modern Green Idea 2 x 12k Systems Indoor Unit: WMMS-12EW-V2B(46)2 Outdoor Unit: WMMS-24CH-V2B(46)2 YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 46: Protection Signs And Error Codes

    The above error code information is applicable to several models of air conditioners, but because of product changes or improvements, they can change. Please refer to the User’s Manual for more information, or have a technician contact YMGI. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 47 The above error code information is applicable to several models of air conditioners, but because of product changes or improvements, they can change. Please refer to the User’s Manual for more information, or have a technician contact YMGI. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 48: Resistance-Temperature Characteristic Tables

    0.89 73.4 5.320 5.377 5.484 2.22 2.78 174.2 0.882 0.908 0.934 4.13 0.87 75.2 5.131 5.185 5.238 2.27 2.73 0.858 0.884 0.910 4.15 0.85 4.950 5.05 2.31 2.69 177.8 YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 49 30.080 6.826 1.817 24.8 98.6 172.4 246.2 187.400 28.880 6.605 1.761 26.6 100.4 174.2 178.000 27.730 6.329 28.4 102.2 169.100 26.630 6.186 30.2 177.8 160.600 105.8 25.590 179.6 5.988 YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!

  • Page 50: User Notes And Installation/Service/Maintenance Notes

    Put down whatever questions you have or problems you have seen as a unit history: Asked Your Did You Ask YMGI Date Noes Technician for Help? Tech. for Help? YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 51 Put down whatever questions you have or issues you have seen as a unit history: Installation Company Name, Technician Job Not Performed Technician Checklist Date Name, Phone & HCAC License # by Technician Completed Fully? YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 52 YMGI: Your Modern Green Idea SERVICE NOTES Technician’s Company Name, Technician Date Contents of Service / Maintenance Name, Phone & HCAC License # YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
  • Page 53 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:

Symphony choir wmms-09ew-v2b(46)2Symphony choir wmms-21ch-v2b(46)2Symphony choir wmms-2x12k-v2b(46)2Symphony choir wmms-12ew-v2b(46)2Symphony choir wmms-24ch-v2b(46)2

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