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 OUTDOOR UNIT (CH) 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.com WMMS-60CH-V2B(59)2 Literature Part No: LIT-WMMS-(59)2-DC IVTR-AM-II-20131130 Subject to Continuous Engineering Change and Product Improvement without Prior Notice.
CONTENTS WELCOME AND PLEASE READ THROUGH MANUALS 2 INSTALLING TECHNICIAN/CONTRACTOR'S JOBS AND RESPONSIBILITIES 4 LIMITED PRODUCT WARRANTY POLICIES 5 LIMITED PRODUCT WARRANTY REGISTRATION CARD 6 WARRANTY AND TECH. SUPPORT 7 WARNINGS FOR INSTALLATION, OPERATION, MAINTAINING AND SERVICE 8 NAMES OF THE PARTS 9 TECHNICAL DATA 9 Dear Customer(s)/end User(s)/unit Purchaser(s)/installer(s)/Contractor(s): Thanks for choosing YMGI products.
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.
WARNINGS FOR INSTALLATION, OPERATION, MAINTAINING AND SERVICE WARRANTY AND TECH. SUPPORT 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. When smelling a burning or smoke odor, turn off unit, disconnect the power and contact your installation or service provider immediately.
OUTDOOR WORKING RANGE USERUNIT NOTES ANDTEMPERATURE SERVICE LOG NAMES OF THE PARTS Outdoor side DB(oF) 1 1 1 2 1 2 3 NO. 1 2 Power Supply 2 3 WMMS-48CH 3 Air Discharge grille Front side panel/handle Air Discharge grille Front side panel/handle Valves Electricity supply 57,000 72,000 18,000 24,000 28,000 30,000 42,000 Min. 7,200 10,000 10,000 10,000 12,000 Max. 2300 3300 4500 4500 5100 Rated 1550 2250 2600 2600 3950 Min. 650 800 900 1000 1200 SEER 16.0 16.
RECOMMENDED TOOLS FOR INSTALLATION OUTDOOR UNIT WORKING TEMPERATURE RANGE RECOMMENDED MATCHING INDOOR AND OUTDOOR UNITS (NOT ALL POSSIBILITIES BEING LISTED) Indoor Unit Mix and Match Size Possibilities (Samples), to Work with: Outdoor Unit WMMS-21CH-V2B(59)(2) / WMMS-30CH-V2B(59)(2) 1 Indoor Unit 09K 12K 18K 24K 4 Indoor Units 3 Indoor Units 2 Indoor Units 09K+09K 09K+12K Not allowed Not allowed 12K+12K 12K+18K Indoor Unit Mix and Match Size Possibilities (Samples), to Work with: Outdoor Unit WMMS-24CH-V2
HANDLING After having removed the packaging, check that the contents are intact and complete. The outdoor unit must always be kept upright. INSTALLATION CLEARANCE Handling must be done by suitably equipped qualified technical personnel using equipment that is suitable for the weight of the appliance. INSTALLING OUTDOOR UNIT LOCATION * Do not install the outdoor unit in pits or air vents. Use bolts to secure the unit to a flat, solid floor.
INSTALLATION-OUTDOOR UNIT HEIGHT LIMITS OF INDOOR AND OUTDOOR UNITS INSTALLATION & PICTURES-WALL MOUNT BRACKET FOR OUTDOOR UNIT(S) (PART VARIES UPON MODELS/AVAILABILITY) * Select a secured location where the outdoor unit will be installed properly. * Orient the unit rear side (intake grill) towards wall and front side (discharge grill) away from wall. * For ground installation, use factory-provided riser and accessories. Not to bolt unit feet directly onto ground.
ELECTRICAL CONNECTIONS ELECTRICAL CONNECTIONS WMMS-24CH-V2B(59)(2) (1 to 3) / WMMS-36CH-V2B(59)(2) (1 to 3) WMMS-42CH-V2B(59)(2) (1 to 4) / WMMS-48CH-V2B(59)(2) (1 to 4) 1) Disassemble the front side plate on the outdoor unit front side plate.(4pc screw). 1) Remove the handle at the right side plate of the outdoor unit (one screw). 2) Remove the cable clamp, Connect the interconnecting power cable to the terminal block and secure the connection.
ELECTRICAL CONNECTIONS WIRING DIAGRAMS WMMS-21CH-V2B(59)(2) (1 to 2) / WMMS-30CH-V2B(59)(2) (1 to 2) WMMS-60CH-V2B(59)(2) (1 to 5) 1) Remove the handle at the right side plate of the outdoor unit (one screw). WARNING 2) Remove the cable clamp, Connect the interconnecting power cable to the terminal block and secure the connection. Be sure to match terminal to terminal matching the indoor unit wiring. The fitting line distributing must be consistent with the indoor unit. terminal of line bank.
NOT TO CROSS-WIRING & NOT TO CROSS-PIPING WIRING DIAGRAMS WMMS-42CH-V2B(59)(2) (1 to 4) / WMMS-48CH-V2B(59)(2) (1 to 4) POWER L XT1 L1 L2 L1 L2 E 14BN 15BN FU 28BN 18YEGN E INDOOR UNIT A INDOOR UNIT B INDOOR UNIT C INDOOR UNIT D N(1) 2 3 XTA 17BU 10BK 11GY 2 3 XTB FA N(1) FB FC CN2 W38 2V 4V BU BU VT VT Val. Val. Val. Val.
NOT TO CROSS-WIRE & NOT TO CROSS PIPE VACUUM AND LEAKAGE CHECK VACUUM REFRIGERANT PIPES Indoor Unit E 1/4" 3/8" Indoor Unit D 1/4" 3/8" Service Valves for All Indoor Units Indoor Unit C 1/4" 1/2" Indoor Unit B 1/4" 1/2" Adaptors for outdoor valve or indoor connections, if needed. Indoor Unit A 1/4" 5/8" DO NOT cross any wiring or any refrigerant piping between any 2+ zones.
RELEASE REFRIGERANT FROM OUTDOOR TO THE INDOOR UNIT Unit is pre-charged with refrigerant good for 25' of connection tubes. If vacuum is held for about 30 minutes and no leak is found, first back-seat the liquid (smaller) service valve by Allen Wrench (hex head) slowly to release pre-charged refrigerant from the condensing unit into the connection pipes and indoor unit. If no abnormal things are found, fully open liquid (smaller) and gas (bigger) service valves.
CHECK AFTER INSTALLATION AND TESOPERATIONT FAULT INDICATION CHECK AFTER INSTALLATION Items to be checked Has the been unit positioned firmly? Meaning D102 Meaning D103 Meaning Blink once Compressor operates Blink once Air exhaust protection frequncy limit Blink once Air exhaust protection frequency limit Twice Compressor high pressure protection unit stop D101 Possible Problems or Consequences Three times Four times Five times Six times Seven times Eight times Nine times Ten times Eleven ti
CUSTOMER AND TECHNICIAN MUST READ CUSTOMER AND TECHNICIAN MUST READ WHY DOES YMGI GROUP REQUIRE INSTALLATION AND SERVICE TO BE 100% PERFORMED BY LICENSED OR CERTIFIED HVAC TECHNICIAN/ CONTRACTOR? 1) They have the training and experience to accurately and safely install and service your equipment. The equipment runs with high-pressure refrigerant and oil and line-voltage. The copper lines must be installed properly to prevent leakage and foreign substances from contaminating the refrigerant system.
CUSTOMER AND TECHNICIAN MUST READ CUSTOMER AND TECHNICIAN MUST READ Some DIY installations have been successful, but these are exceptions. Most have resulted in equipment failure, due to lack of knowledge and experience. A few of the problems result from DIY's lack of knowledge in the following areas: * Sizing and selecting correct type, size and model of cooling and/or heating equipment. * Sizing and installing correct electric circuit breakers and wires. * Wiring the units correctly and properly.
CUSTOMER AND TECHNICIAN MUST READ CUSTOMER AND TECHNICIAN MUST READ DEFECTIVE UNITS / PARTS / ACCESSORIES-REPAIR OR REPLACEMENT Standard factory warranty does not cover the cost of materials and labor that are incurred at your site. Out of thousands of units sold every year, there may be an occasional instance your product does not operate properly. Reasons of but are not limited to: manufacturing, installation, operation, maintenance and knowledge of operator.
USER NOTES AND INSTALLATION/SERVICE/MAINTENANCE NOTES USER NOTES Put down whatever questions you have or problems you have seen as a unit history: No. Date Notes Asked for Your Technician for Help? Did You Ask YMGI Tech. for Help? INSTALLATION NOTES Put down whatever questions you have or problems you have seen as a unit history: No.
