YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! INSTALLER'S INSTRUCTION & USER'S MANUAL DC INVERTER MULTIPLE ZONE (59)2 SYMPHONY CHOIR INDOOR UNIT-WALL MOUNT (EW) WMMS-09EW-V2B(59)2 WMMS-18EW-V2B(59)2 WMMS-12EW-V2B(59)2 WMMS-24EW-V2B(59)2 YMGI Group POB 1559 O'Fallon, MO 63366, USA Tel: (866)833-3138 Fax: (866)377-3355 Web Site: www.ymgigroup.com Email: info@ymgigroup.
TABLE OF CONTENTS WELCOME AND PLEASE READ THROUGH MANUALS 2 4 5 6 7 8 9 10 11 12 13 14 18 19 19 22 23 24 28 29 29 31 31 34 40 46 WIRING DIAGRAMS RECOMMENDED TOOLS FOR INSTALLATION SYSTEM LAYOUT & INSTALLATION CLEARANCE INSTALLATION-LOCATION SLECTIONS LENGTH AND ELEVATION LIMIT OF INSTALLATION INSTALLATION-INDOOR UNITS CONNECT REFRIGERANT PIPES BETWEEN INDOOR AND OUTDOOR UNITS PIPING GUIDE REMOTE CONTROL-BUTTON NAME & FUNCTIONS OPERATION OF REMOTE CONTROL OPERATION AT EMERGENCY CLEAN AND CARE PROTECTION SI
WELCOME AND PLEASE READ THROUGH MANUALS INSTALLING TECHNICIAN/CONTRACTOR'S JOBS AND RESPONSIBILITIES YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! 1. Be sure to hire only one certified, licensed HVAC Company to complete 100% of the installation so that all details of the installation are clear, complete and well taken care of. 2.
LIMITED PRODUCT WARRANTY POLICIES LIMITED PRODUCT WARRANTY REGISTRATION CARD To validate the above warranties, ALL the following conditions must all be fulfilled: 1. The unit was fully (100%) and successfully installed by licensed or certified HVAC technicians. 2. The unit was installed following all NEC, state and local codes. 3. The unit was installed following all instructions and manuals made by YMGI Group. 4.
WARRANTY AND TECHNICAL SUPPORT IMPORTANT NOTES YMGI warrants to the purchaser/owner(s) that YMGI products be free from defects in material and workmanship under the normal use and maintenance, with the standard Limited Product Warranty Policies that comes with the unit or sales package.
SPEC SHEET INDOOR UNIT DIAGRAM Items Digital display Unit / Conditions WMMS-09EW-V2B(59)2 WMMS-12EW-V2B(59)2 WMMS-18EW-V2B(59)2 WMMS-24EW-V2B(59)2 Voltage/Ph/Hz 208-230/1/60 208-230/1/60 208-230/1/60 208-230/1/60 Allowed Voltage Range 187-253V 187-253V 187-253V 187-253V High/Standard/Low 12000/9000/4400 14000/12000/4500 21500/17000/6800 26500/22800/9600 Max./Min.
UNIT DIMENSIONS, MOUNTING BRACKET CLEARENCE WIRING DIAGRAMS UNIT DIMENSIONS WMMS-09EW-V2B(59)(2) and WMMS-12EW-V2B(59)(2) Model W H D 09K 30.3 9.8 7.5 12K 32.7 11.2 7.9 18K 40.2 12.2 9.0 24K 39.7 12.4 8.6 PIPE-IN PIPE-MID TEM.SENSOR TEM.SENSOR RT3 RT4 PIPE-OUT TEM.SENSOR RT2 ROOM TEM.
RECOMMENDED TOOLS FOR INSTALLATION SYSTEM LAYOUT & INSTALLATION CLEARANCE 1) Mounting Indoor & Outdoor Units and Running Piping/Wiring CLEARANCE REQUIRED AROUND UNITS-DUAL ZONE-2 Indoor unit A OVER 2" Indoor unit B OVER 4" OVER 4" INSTALLER'S INSTRUCTION INSTALLER'S INSTRUCTION Ruler (Not Shown) Stud-Finder Dry-Wall Saw Electric Drill 3" Hole Saw Drill Extension Hammer Drill and Bit (Not Shown) Measuring Tape Level Flash Light Screw Driver (Phillps and Flat) Hammer Knife Scissors Goggled Glass Mas
SYSTEM LAYOUT & INSTALLATION CLEARANCE SYSTEM LAYOUT & INSTALLATION CLEARANCE CLEARANCE REQUIRED AROUND UNITS-TRIPLE ZONE-3 CLEARANCE REQUIRED AROUND UNITS-QUAD ZONE-4 Indoor unit A Indoor unit A Indoor unit B Indoor unit B OVER 2" Indoor unit C OVER 4" Indoor unit C OVER 4" INSTALLER'S INSTRUCTION INSTALLER'S INSTRUCTION OVER 2" OVER 80" Indoor unit D OVER 4" OVER 4" OVER 80" OVER 8" OVER 8" 0" 0" R1 R1 E OV E OV OV ER OV ER 10 " 10 " " ER " 20 ER OV 20 OV OV ER OV
SYSTEM LAYOUT & INSTALLATION CLEARANCE INSTALLATION-LOCATION SELECTIONS CLEARANCE REQUIRED AROUND UNITS-FIVE ZONE-5 All Units Shall Be Installed by Licensed Contractor or Technician. Indoor unit A Read Manuals before Installation. * The location and structure shall also be convenient for both installation and service. * The location shall NOT be where discharge air and noise could bother your neighbor. * The location shall NOT be somewhere drain may cause any damage to property or bother the neighbor.
LENGTH AND ELEVATION LIMIT OF INSTALLATION INSTALLATION-INDOOR UNITS * Either the indoor unit or the outdoor unit can be higher, but the height difference must follow with the stated requirements. * Try to reduce the bending of the piping line as much as possible so as to avoid possible negative impacts upon the performances of the units. * Make P-trap if elevation drop difference is more than 25", as illustrated below.
INSTALLATION-INDOOR UNITS CONNECT REFRIGERANT PIPES BETWEEN INDOOR AND OUTDOOR UNITS Firstly, connect copper tubes at indoor unit. Bend pipes by tools but not by hands. Extra length is needed for future service. REFIT DRAIN HOSE FROM THE RIGHT TO THE LEFT SIDE * If drain hose needs to be refitted from the original position (right side) to left side of the indoor unit, careful handing is very necessary.
REMOTE CONTROL-BUTTON NAME & FUNCTIONS CONNECT REFRIGERANT PIPES BETWEEN INDOOR AND OUTDOOR UNITS Seal Copper Line Set/Wire Cable/Drain Hose Line Combination NOTE1: This is a general use remote control. That can be used for numerous air conditioning model numbers. There may be some buttons on the remote that are not for use with the unit purchased. When these buttons are pressed you may hear a beep sound emitted from the remote. This will not affect the unit status.
REMOTE CONTROL-BUTTON NAME & FUNCTIONS "FAN" BUTTON: By pressing this button you can select from fan speeds AUTO→Low→Middle→High. When the unit is first powered on the default fan speed setting is AUTO. When running the unit in DRY mode the fan speed will only run in low speed. AUTO High fan High fan High fan Note: Under the Dry mode, the fan speed isn't adjustable, low fan speed is imperative. REMOTE CONTROL-BUTTON NAME & FUNCTIONS "CLOCK" BUTTON: The time function runs on a 24 hour clock.
OPERATION OF REMOTE CONTROL REMOTE CONTROL-BUTTON NAME & FUNCTIONS SYMBOL DISPLAY When power is first applied to the unit but the power has not been turned on by the remote control, then the red power light only is displayed. When the unit has been powered on by the remote control then the running LED is lit and the current running mode symbol is displayed at the same time. ③ ① ④ COOLING: Running symbol and cooling symbol are lit. HEATING: Running lamp and heating symbol are lit.
OPERATION AT EMERGENCY CLEAN AND CARE If at any time the remote control becomes damaged or lost you can switch to the manual mode on the indoor unit. This will allow the unit to run in AUTO mode only. While in AUTO mode the unit temperature cannot be switched. Contact your local service provider for instructions on replacing the remote control.
PROTECTION AND ERROR CODES Protection and Error Code Names CHECKING UNITS PRIOR TO CONTACTING YOUR TECHNICIAN Dual-8 Display Running Lamp Heating Lamp Cooling Lamp System abnormal (anti-high temp, power off, cooling overload) H4 Blink 4 times Compressor overload protection H3 Blink 3 times Module protection H5 High-pressure protection E1 Blink once Anti-freeze protection power-off E2 Blink twice E4 Blink 4 times Low voltage over-current protection E5 Blink 5 times Mode clash E7 Blink
CHECKING UNITS PRIOR TO CONTACTING YOUR TECHNICIAN Phenomenon EXPLOSIVE VIEW AND SPARE PARTS LIST WMMS-09EW-V2B(59)(2) Normal or Abnormal Indoor unit doesn't blow air. 1) Is the unit in 3-minutes restarting protection period? 2) In heating mode, the indoor fan motor will not rotate before the indoor coil is hot enough. This is a normal anti-cold air blowing function.
EXPLOSIVE VIEW AND SPARE PARTS LIST EXPLOSIVE VIEW AND SPARE PARTS LIST WMMS-09EW-V2B(59)(2) WMMS-12EW-V2B(59)(2) No Description Part Code Qty 1 Wall-mounting frame 01252220 1 2 Rear case 222020016 1 3 Evaporator assy 010020534 1 4 Cross flow fan 10352001 1 5 Ring of bearing 76512203 1 6 / / / 7 Drainage pipe 0523001401 1 8 Water tray 201820270 1 9 Swing louver 10512088 12 10 Swing linkage 1 10582002 1 11 Swing linkage 2 10582003 1 12 Front case 20002210
EXPLOSIVE VIEW AND SPARE PARTS LIST EXPLOSIVE VIEW AND SPARE PARTS LIST WMMS-12EW-V2B(59)2 WMMS-18EW-V2B(59)2 No Description Part Code Qty 1 Wall-mounting frame 01252384 1 2 Rear case 222020503 1 3 Evaporator assy 01002250 1 4 Cross flow fan 10352005 1 5 Ring of bearing 76712015 1 6 \ \ \ 7 Drainage pipe 0523001401 1 8 Water tray 201820306 1 9 Swing louver 105120413 12 10 Swing linkage 105824397 1 11 Front case 200022958 1 12 Screw cover 242520072 3 13
EXPLOSIVE VIEW AND SPARE PARTS LIST CUSTOMER AND TECHNICIAN MUST READ WMMS-18EW-V2B(59)2 WHY DOES YMGI GROUP REQUIRE INSTALLATION AND SERVICE TO BE 100% PERFORMED BY LICENSED OR CERTIFIED HVAC TECHNICIAN/ CONTRACTOR? UNIT MAINTENANCE & SERVICE GUIDE No Description Part Code Qty 1 Wall-mounting frame 01252004 1 2 Rear case 22202329 1 3 Fan bearing 76512203 1 4 Screw cover 24252015 3 5 Swing louverb 105120472 11 6 Swing link 1 10582057 1 7 Swing link 2 10582058 1 or certif
CUSTOMER AND TECHNICIAN MUST READ CUSTOMER AND TECHNICIAN MUST READ 11) If all the suggestions have been taken and all the necessary steps are followed. 12) If the contractor(s)/technician(s) are experienced with the systems/brands you purchase. You might spend less. But remember, many times you get what you pay for. 13) Sign a contract with them. The contract should list all the detailed work they will conduct and the standards they will follow.
CUSTOMER AND TECHNICIAN MUST READ CUSTOMER AND TECHNICIAN MUST READ C. YMGI must verify the following before you can pack your products: 1) No products (units, parts, accessories) are missing. 2) No damage is found. 3) The products are in the original packaging. 4) No duct tape on any product or box. 5) Pictures have been taken and sent to YMGI to verify the product and boxes are not damaged. 6) The RGA has been completed and a copy has been returned to YMGI, via email or fax.
CUSTOMER AND TECHNICIAN MUST READ USER NOTES AND INSTALLATION/SERVICE/MAINTENANCE NOTES Standard factory warranty does not cover the cost of materials and labor that are incurred at your site. USER NOTES There will be no cost for the replacement unit, if YMGI determines the defect is manufacturer related. Put down whatever questions you have or problems you have seen as a unit history: Replacement will be made with the same model, only. Alternate units will be treated as a new order. No.
