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User Manual
YMGI Group, POB 1559
YMGI Group New Energy, POB 1668
O'Fallon, MO 63366, USA
Tel: (866)833-3138 Fax: (866)377-3355
Web Site: www.ymgigroup.com
Email: info@ymgigroup.com
Literature Part No: Lit-WMMS-0103-20130201
For WMMS Series of Product 09 to 60K Btu/h Single/Dual/Tri/Quad Zone (Cooling, Heat Pump W or W/O Ele. Heater)
Subject to Continuous Engineering Improvement without Prior Notice.
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World !
INSTALLATION INSTRUCTION
Wall Mount Mini Split Systems-
09 to 60K Btu/h
Single, Dual, Triple, Quad-Zone
Cooling and Heat Pump W or W/O Heater
(This Installation Instruction is Good for Mini Split Wall Mount Product Line of Different Brands
Made by YMGI Group-YMGI, YMGI Products, and Others Claimed by YMGI Group,
POB 1559, O'Fallon, MO, USA-Check with info@ymgigroup.com or sales@ymgigroup.com)
This product is designed and manufactured free from defects in material and workmanship under 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 us. Otherwise, damage to equipment or
property even injury to people may occur.
Installer: Currently licensed HVAC installer only, Read this manual before installation. Sign on the warranty registration card.
User: Keep this manual for future maintenance and service use.
Servicer: Use this manual for service reference.
M2
Literature Part No: LIT-WMMS-II-0103-20130201
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Table of Contents
Related Manuals for YMGI M2 SERIES
Summary of Contents for YMGI M2 SERIES
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Page 1: Installation Instruction
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! INSTALLATION INSTRUCTION Wall Mount Mini Split Systems- 09 to 60K Btu/h Single, Dual, Triple, Quad-Zone Cooling and Heat Pump W or W/O Heater (This Installation Instruction is Good for Mini Split Wall Mount Product Line of Different Brands Made by YMGI Group-YMGI, YMGI Products, and Others Claimed by YMGI Group, POB 1559, O'Fallon, MO, USA-Check with info@ymgigroup.com or sales@ymgigroup.com) -
Page 2: Table Of Contents
However, for any reason, including many handlings and occasions between the YMGI factories/warehouses CUSTOMER AND TECHNICIAN MUST READ and where you receive the products, the unit doesn't work, YMGI Group will help to remedy the occurrence in the IMPORTANT NOTES following warranting ways: IMPORTANT NOTES FOR UNIT OPERATION ABMIENT &... -
Page 3: Limited Product Warranty Registration Card
* If any unit abnormality is found, have your technician check the unit first. Have them call for manufacturer 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 4: Customer And Technician Must Read
* Checking for any unusual noises and other abnormalities that might be present. them to install, and they prefer to purchase and install the equipment. You can contact YMGI directly to check * Operating the unit and check all functions, one by one, and explain to the owner how to operate and maintain and see if there have been any contractors in your area who have installed our products or similar. - Page 5 * Releasing the refrigerant from outdoor unit to indoor unit. 5) YMGI can arrange shipping for you, but not at YMGI's cost. If this option is chosen, a packing list and BOL will * Running the unit to check all the unit functions.
- Page 6 Replacement will be made with the same model only. Alternate units will be * YMGI Group RGA is valid for seven (7) days from the original issuing date. Returns will not be accepted, if treated as a new order.
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Page 7: Important Notes For Unit Operation Abmient & Sizing
Opening a door or prolonged periods where humidity is higher than 80%. window periodically will suffice. 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... -
Page 8: Brief Introduction To Mini Split Wall Mount System
* Hospital Unit Appearance and Specifications Are Subject to Change for Continuous Improvement without Any Prior Notice. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! -
Page 9: Mini Wall Mount Systems-Models
5) System performance will be degraded, if systems are improperly selected, operated, installed, maintained, or serviced (which are not 2x(09+12) 31x11x7/36x11x8 2x(20+35)/240 conducted by manufacturer). YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P15 OF 44 P16 OF 44... -
Page 10: Unit Engineering Submittals-Mechanial
Notes: 1) Secure bracket on 2 studs. 2) put at least 3 screws on each stud. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! -
Page 11: Important Notes For Unit Operation Abmient & Sizing
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! -
Page 12: Connection Of Wires-Single Zone
CONNECTION OF WIRES-SINGLE ZONE WIRING AT INDOOR UNIT AND OUTDOOR UNITS 2) For Products WMMS-M2 Series, made before 05/2010, Power L1/N1/G and L11/L22/G don’t change, but control wires are 1/2 for AC, 1/2/3/4 for HP. * Open the front cover panel. -
Page 13: Connection Of Pipes And Wires
* The grounding wire must be connected to the indoor units and outdoor units. It is strongly recommended to only use YMGI supplied or recommended parts and accessories. * The laying of power cables must be done by qualified electricians and comply with the regulations of the local Be sure a properly sized circuit breaker is for the electric power to the units. - Page 14 CLEARANCE REQUIRED AROUND UNITS-SINGLE ZONE Indoor unit A Indoor unit B YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P25 OF 44 P26 OF 44...
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Page 15: System Layout & Installation Clearance
Indoor unit B Indoor unit C Indoor unit C Indoor unit D YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P27 OF 44 P28 OF 44... -
Page 16: Height Limits Of Indoor And Outdoor Units
Align mounting plate holes with those holes drilled on the wall and put anchors or screws into the holes to secure mounting plate. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! -
Page 17: Installation-Outdoor Unit
Secure the piping/ wiring set with clamp YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P31 OF 44 P32 OF 44... -
Page 18: Wiring Outdoor Unit
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! -
Page 19: Piping Guide
Model Btu/h allowed. RIST-0912-PVC 14.2 09K-18K RIST-1860-PVC 17.7 18K-60K YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P35 OF 44 P36 OF 44... -
Page 20: Vacuum And Leakage Check
1/2" liquid line unit-add or deduct 1.2 OZ/ft. 3. More error codes are listed in the table in page 36. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! -
Page 21: Check After Installation And Test Operation
6) Check against all items in Product/Warranty Registration Card and sign it for the owner. YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! P39 OF 44... -
Page 22: Important Notes For Installation Of Multiple Zone Systems (Multiple Compressors)
IMPORTANT NOTES FOR INSTALLATION OF MULTIPLE ZONE SYSTEMS (MULTIPLE COMPRESSORS) IMPORTANT NOTES FOR INSTALLATION OF MULTIPLE ZONE SYSTEMS (MULTIPLE COMPRESSORS) YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World ! -
Page 23: Warranty And Tech. Support
WARRANTY AND TECH. SUPPORT USER NOTES AND SERVICE LOG YMGI warrants to the purchaser/owner(s) that YMGI products be free from defects in material and USER NOTES workmanship under the normal use and maintenance, with the standard Limited Product Warranty Put down whatever questions you have or problems you have seen as a unit history: Policies that comes with the unit or sales package.
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