YMGI M2 SERIES Installation Instruction Download Page 1

Literature Part No: LIT-WMMS-II-0103-20130201

INSTALLATION INSTRUCTION 

Wall Mount Mini Split Systems-

M2

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 [email protected] or [email protected])

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.

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.

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: [email protected]

YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World !

Summary of Contents for M2 SERIES

Page 1: ...his 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 pra...

Page 2: ...y parts may be new or refurbished All parts are tested and approved before shipping At no time does the YMGI Group warrant labor cost of any type Warranty will start from the date of successful instal...

Page 3: ...nit for condensate leakage and refrigerant leakage before and after connecting them 28 Do you list the working details in the invoice and leave a copy to the customer 19 Did you charge the inter conne...

Page 4: ...roperly can be more expensive than spending the little extra money that hiring the right contractor will cost Protect your investment and warranty eligibility by doing it right the first time THE FOLL...

Page 5: ...e ability to claim freight damage is lost and YMGI will not replace the unit on this basis Contact the distributor or YMGI report the damage by forwarding the marked delivery receipt copy and pictures...

Page 6: ...Inspection and Repair and Authorization to Charge form 2 You will review the form and fill all fields appropriately sign and send back to the YMGI Group 3 Once the form has been completed and sent bac...

Page 7: ...ed to keep from cold air blowing into propeller fan blade against airflow and so help unit work better in both AC cooling and HP heating mode in colder weather ranges IMPORTANT NOTES FOR UNIT OPERATIO...

Page 8: ...n the ground Once stacking or bracket kit is used some outdoor units can be stacked 2 or 3 units high upon unit size and applications Air is discharged horizontally quietly and smoothly These units ar...

Page 9: ...X24K 32B WMMS 2X30K 32B WMMS 09E F 32B WMMS 09 12E F 32B WMMS 12E F 32B WMMS 18E F 32B WMMS 24E F 32B WMMS 30E F 32B WMMS 2X09C 32B WMMS 0912C 32B WMMS 2X12C 32B WMMS 2X18C 32B WMMS 2X24C 32B WMMS 2X3...

Page 10: ...4K 2 30K 3 09K 2 12 18K 3 12K 2 18 24K 2 09 12K 2 09 12 K 2 12 24K 3 12 24K Varies Varies Varies UNIT ENGINEERING SUBMITTALS MECHANIAL 09K 12K W H D 30 9 36 2 10 6 10 6 7 8 7 9 18K 24 36K 40 2 12 4 9...

Page 11: ...thly without any abnormal noise or restriction 4 Fan wheel roration at outdoor unit should rotate freely and smoothly without any abnormal noise or restriction 5 No kinking or other leaking potentials...

Page 12: ...ctricians only following NEC codes and manufacturer instructions CONNECTION OF WIRES SINGLE ZONE WIRING AT INDOOR UNIT AND OUTDOOR UNITS Open the front cover panel Remove screws from electrical box co...

Page 13: ...taken into consideration when the connections of power cable are made such as the ambient temperature direct exposure to heat dirext exposure to sunlight The specifications for the power cable refer...

Page 14: ...CLEARANCE REQUIRED AROUND UNITS SINGLE ZONE CLEARANCE REQUIRED AROUND UNITS DUAL ZONE Indoor unit B Indoor unit A SYSTEM LAYOUT INSTALLATION CLEARANCE YMGI Engineered Comfort Products for A Sustainabl...

Page 15: ...ndoor unit C SYSTEM LAYOUT INSTALLATION CLEARANCE Indoor unit A Indoor unit B Indoor unit C Indoor unit D SYSTEM LAYOUT INSTALLATION CLEARANCE YMGI Engineered Comfort Products for A Sustainable and Ef...

Page 16: ...screws Align mounting plate holes with those holes drilled on the wall and put anchors or screws into the holes to secure mounting plate STEPS TO MOUNT PLATE a b c Drill mounting holes to make sure a...

Page 17: ...rear side of plastic casing Snap the plastic casing bottom into the mounting plate gently Sealed with putty Secure the piping wiring set with clamp Trim the extra portion 2 in or less from floor 18 18...

Page 18: ...35 45 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 REFRIGERANT...

Page 19: ...ipes Over length soft pipes will lead to irregular bending Undersize bending will damage the soft pipe Short soft pipes will have them bending undersize it s not allowed INLTS STRT COUP COUP H OFST EL...

Page 20: ...ks 1 Blink lit for 0 5 sec then off for 0 5 sec then lit for 0 5 sec 2 E4 Code Outdoor ambient temperature is too low do not to run unit during severe cold weather Refrigerant at low level users need...

Page 21: ...hnician to make appointment with YMGI tech support and call us while the techician is at job site 4 Better to check the unit get problems and model model and serial ready before calling YMGI tech supp...

Page 22: ...STALLATION 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...

Page 23: ...original licensed installer or current service contractor should be contacted first of all since they installed the unit and or know more details than anybody else They will check the unit and find o...

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