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YMGI Group
POB 1559
O'Fallon, MO 63386, USA
Tel:(866)833-3138 Fax:(866)377-3355
Web Site: www.ymgigroup.com
Email: info@ymgigroup.com
YMGI, Engineered HVAC & R Products for Maximum Green World and Better Tomorrow
Literature Part No:
LIT-WMMS-(59)2-EU-DC IVTR-SERVICE MANUAL-20131130
Subject to Continuous Engineering Change and Product Improvement without Notice.
YMGI is the Trademark and Property of YMGI Group. Copyright of YMGI Group.
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-CEILING/FLOOR MOUNT (EU)
WMMS-09EU-V2B(59) (2)
WMMS-12EU-V2B(59) (2)
WMMS-18EU-V2B(59) (2)
WMMS-24EU-V2B(59) (2)
This product is designed and manufactured free from defects in material and workmanship for the normal use and
maintenance. Installation, operation, maintenance and service shall follow professional practices for regular cooling and
heating equipment, NEC, State, City or Local Codes and related manuals from YMGI. Otherwise, damage to equipment or
property even injury to people may occur.
Installer: Currently licensed HVAC technician only. Read manual before installation. Fully fill in warranty registration card.
User: Keep this manual for future maintenance and service use.
Servicer: Use this manual for service reference.
LITERATURE: LIT-WMMS-(59)2-EU-DC IVTR-SERVICE MANUAL-20131130
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Table of Contents
Summary of Contents for YMGI WMMS-09EU-V2B
- Page 1 This product is designed and manufactured free from defects in material and workmanship for the normal use and maintenance. Installation, operation, maintenance and service shall follow professional practices for regular cooling and heating equipment, NEC, State, City or Local Codes and related manuals from YMGI. Otherwise, damage to equipment or property even injury to people may occur.
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Page 2: Table Of Contents
The information we provide in our manuals is for the sole purpose of reminding you and your installer. REFRIGERANT PIPING WORK It is our ultimate goal to help insure that your YMGI units are installed properly and correctly from the very DRAIN PIPING WORK beginning to the very end. -
Page 3: Installing Technician/Contractor's Jobs And Responsibilities
For example, wiring, refrigerant 7) Check to make sure you have all the materials you need to properly and correctly finish the installation. The YMGI units adjustment and trial testing procedures may differ from manufacturer to manufacturer and model to model. -
Page 4: Limited Product Warranty Policies
YMGI keeps on improving products with various engineering changes without prior notice. Such improvements By signing above, I acknowledge the liability and responsibility for any false statement or not telling all the facts, and I authorize YMGI to check the details of the filled above, and make its decision on warranty. -
Page 5: Warranty And Tech. Support
* Any problems due to improper sizing and selecting air conditioner/heat pump system. These equipment sizing The electrical and thermal power for the whole system comes from the outdoor unit. In YMGI SHCR or TTWC and selection work should be conducted by either your room/building architect or your installation or related... -
Page 6: Unit Specifications
High Indoor fan motor rotating speed Indoor fan motor rotating speed YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P9 OF 36 YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P10 OF 36... -
Page 7: Unit Dimensions
AP2 230V for field install condensate pump Fuse on PCB YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P11 OF 36 P12 OF 36... -
Page 8: Installation Instruction
STRT COUP COUP-H OFST ELBF9 ELBF4 SOFT TEE ENDF RDER YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P13 OF 36 P14 OF 36... -
Page 9: Installation Of Indoor Unit
* Pour water into the drain pan from the air outlet to check for smooth drainage (Fig.4). YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! -
Page 10: Test Running
Length of connection pipes and the refrigerant charge adjusted, Insufficient cooling or heating, damage to parts/unit. matched? YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P17 OF 36... -
Page 11: Remote Control-Button Name & Functions
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! -
Page 12: Maintenance
, in order to reach a satisfied or more precise indoor comfort. This is a common drawback of AC/HP units made by other manufacturers. With YMGI's U-touch feature, this can be avoided and your comfort level can be improved. CLEANING THE AIR FILTERS... -
Page 13: Operating Guide
The appliance should not be used by children without when children are around. supervision. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P23 OF 36... -
Page 14: Checking Units Prior To Contacting Your Technician
Outdoor air exhaust temp. sensor malfunction E2 PROM Error Wire controller ambient temp. sensor malfunction YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P25 OF 36... -
Page 15: Trouble-Shooting Guide
When protection or malfunction has been eliminated, the display will resume normal indoor fans are without this kind of malfunction. status. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P27 OF 36... -
Page 16: Customer And Technician Must Read
* Customer signs an installation/service contract with the installation/service technician's company who has good them to install, and they prefer to purchase and install the equipment. You can contact YMGI directly to check service references and you trust. Installation and service is very important to the life of your investment and provide you a lifetime of comfort and peace of mind. - Page 17 4) YMGI reserves the right to approve or deny any shipments. correct the problem. 5) YMGI can arrange shipping for you, but not at YMGI's cost. If this option is chosen, a packing list and BOL will RECEIVING AND FREIGHT DAMAGE be issued to you through YMGI.
- Page 18 The defects might be found before/ during installation or in the operation of the unit. Defects can be in the form unit prior to contacting YMGI Group from your jobsite, in order to be helped in an efficient and timely manner.
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Page 19: User Notes And Installation/Service/Maintenance Notes
Date Contents of Service / Maintenance Name, Phone & HVAC License # YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P35 OF 36 YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P36 OF 36...