YMGI LIT-WMMS-(56)-DC IVTR Installation Instructions Manual Download Page 9

INST

ALLER'S 

INSTRUCTION

P16 OF 38

INSTALL INDOOR UNIT

INSTALL THE REAR PANEL

1) Always mount the rear panel horizontally. Due to the water tray of indoor unit has been adopted the both-way 
    drainage design, the outlet of water tray should be adjusted slightly down when installing, that is taking the 
    outlet of the water tray as the center of a circle, the included angle between the evaporator and level should be 
    0 or more, that is good for condensing water drainage.

2) Fix the rear panel on the wall with screws.(Where is pre-covered with plastic granula)

3) Be sure that the rear panel has been fixed firmly enough to withstand the weight of an adult of 60kg, further 
    more, the weight should be evenly shared by each screw.

INSTALL THE PIPING HOLE

1) Make the piping hole (U55) in the wall at a slight downward slant to the outdoor 
    side.

2) Insert the piping-hole sleeve into the hole to prevent the connection piping and 
    wiring from being damaged when passing through the hole.

INSTALL THE WATER DRAINAGE PIPE

1) For well draining, the drain hose should be placed 
    at a downward slant.
2) Do not wrench or bend the drain hose or flood its 
    end by water.

3) When the long drainage hose passing through 
    indoor, should wrap the insulation materials.

Space 
to the 
wall 
5.9 inch 
above

Space 
to the 
wall 
5.9 inch 
above

2.17 
inch

CONNECT INDOOR AND OUTDOOR ELECTRIC WIRES

1) Open the surface panel.

2) Remove the wiring cover Fig 6.

3) Route the power connection cord and signal 
    control wire (for cooling and heating unit only) from 
    the back of the indoor unit and pull it toward the 
    front through the wiring hole for connection.

4) Reassemble the clampand wiring cover.

5) Recover the surface panel.

Indoor

Outdoor

Seal pad

Wall pipe

Wiring Cover

L1

L2

S

BN

BU

BK YEGN

Outdoor unit

connection

Wrenched

Bet

Flooded

Wall

Mark on the middle of it 

Gradienter

Wall

Left
0.2 inch
(Rear piping hole)

Right
0.2 inch
(Rear piping hole)

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

INST

ALLER'S 

INSTRUCTION

P15 OF 38

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

INSTALLATION DIMENSION DIAGRAM

OVER 20"

OVER 10"

OVER 10"

OVER 8"

OVER 10"

Indoor unit A

OVER 2"

OVER 4"

OVER 4"

OVER 80"

Summary of Contents for LIT-WMMS-(56)-DC IVTR

Page 1: ...igroup com This product is designed and manufactured free from defects in material and workmanship for normal use and maintenance Installation operation maintenance and service shall follow profession...

Page 2: ...MGI technical support division directly at Dear Customer s End User s Unit Purchaser s Installer s Contractor s Thanks for choosing YMGI products The YMGI equipment you purchased is either a split typ...

Page 3: ...e humidity ranges installation operation maintenance service warranty parts and so on 4 Properly select correct most suitable YMGI product models of units and accessories for your HVAC applications jo...

Page 4: ...he installation 5 Supply electrical power V Ph Hz measured at wiring terminal block of Indoor unit outdoor unit 7 Wire gauge length and terminal colors between circuit breaker disconnect switch to out...

Page 5: ...ls to do these calculations correctly and get your approval before purchasing the air conditioner or heat pump equipment Any problems due to improper installing of the air conditioner heat pump system...

Page 6: ...ing the air conditioner for a long time Otherwise the accumulated dust may cause fire or electric shock Select the most appropriate temperature Don t leave windows and doors open for a long time while...

Page 7: ...lities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety 5 Children should be supervis...

Page 8: ...r 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 Goggl...

Page 9: ...PIPE 1 For well draining the drain hose should be placed at a downward slant 2 Do not wrench or bend the drain hose or flood its end by water 3 When the long drainage hose passing through indoor shoul...

Page 10: ...ing the electric wire if the wire length is not enough please contact with the authorized service shop to buy a exclusive electric wire that is long enough and the joint on the wire are not allowed Th...

Page 11: ...AWG 12 and it should accord with UL4703 2 The MC 4 connectors should be assembled to the PV wires and the other side of the PV wires should be assembled with spade terminals ASSEMBLY OF MC 4 CONNECTO...

Page 12: ...the operation 2 Press MODE button to select the COOL HEAT not available for cooling only unit is FAN and so on to check All the functions to make sure the unit functions correctly and properly Refrig...

Page 13: ...URBO MODE INCREASE Temp Time TIMER ON TIMER OFF LIGHT SLEEP TEMP U TOUCH NOT USED NOTE2 Be sure there are no obstructions between the indoor unit and the remote control Do not drop or allow any liquid...

Page 14: ...emote press the TIMER ON button once more and the word ON will stop blinking and stay on the remote The time you would like the unit to turn on is now set TIMER OFF BUTTON This allows you to set the t...

Page 15: ...he change of swing status will also depend on the circulation sequence stated above About swing up and down Press and buttons simultaneously to lock or unlock the keyboard If the remote controller is...

Page 16: ...isconnect the electrical power at outdoor unit Before cleaning the unit t Never sprinkle water on the indoor unit and the outdoor unit Volatile liquid gasoline or the like will damage the unit So wipe...

Page 17: ...essure refrigerant and oil and line voltage The copper lines must be installed properly to prevent leakage and foreign substances from contaminating the refrigerant system 2 You will save money in the...

Page 18: ...rior to paying the contractor in full The cost of not having your unit installed properly can be more expensive than spending a little extra money that hiring the right contractor will cost Protect yo...

Page 19: ...ur unit We will be happy to assist you with any questions you may have concerning the functions of your new unit 1 Part repair or replacement after trouble shooting This is the most common and general...

Page 20: ...r installation instruction manual or come separately in the unit packaging box envelope If for any reason they are not included with your shipment contact our sales or customer service to request a co...

Page 21: ...P39 OF 40 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World P40 OF 40 YMGI Engineered Comfort Products for A Sustainable and Efficient Green World...

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