YMGI WMMS-09EW-V2B(59)2 Installer'S Instruction & User'S Manual Download Page 16

UNIT OPERA

TION

P29 OF 46

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

The manual switch can be operated as follow:

* At operation: When the unit has stopped running, press ON/OFF button, unit 
  will enter into AUTO RUN mode. The microcomputer will accord to the room 
  temperature to select the (COOL, HEAT, FAN) mode automatically, to obtain 
  the comfortable effect.

* At stopping: When the unit is running, press the ON/OFF button of the manual 
  switch, the unit will stop work.

The code switch can be operated as follow:

* At operation: When the unit is stopped running, adjust the code switch to AUTO, 
  the unit will enter into AUTO RUN mode. The microcomputer will accord to the 
  room temperature to select the (COOL, HEAT, FAN) mode automatically, to 
  obtain the comfortable effect.
* At stopping: When the unit is running, adjusts the code switch to STOP position, 
  the unit will stop working.

CLEAN AND CARE

CLEAN THE FRONT PANEL(MAKE SURE TO TAKE IT OFF BEFORE 
CLEANING)

* Turn power off and pull out the power plug before cleaning air conditioner. Or it may cause electric shock.

* Never sprinkle water on the indoor unit for cleaning because it can cause an electric shock.

* Volatile liquid (e.g. thinner or gasoline) will damage the air conditioner. (So wipe the units with a dry soft cloth, 
  or a cloth slightly moistened with water or cleanser.)

AUTO/STOP

Manual Switch

Code Switch

AUTO

TEST

RUN

STOP

OPERATION AT EMERGENCY

Take off the front panel

Along the direction of arrows to lift the front panel up, 
meanwhile to hold both slots of the front panel and 
take it out forcibly and then can take it off.

Washing

Clean with a soft brush, water and neutral detergent 
and then dry it.(Note: Before cleaning the unit, please 
take down the displayed box firstly, then to wash the 
panel, if the unit has displayed on the front panel. 

O

Never use the water above 113 F 

wash the panel, 

or it could cause deformation or discoloration.)

to 

Install front panel

Place two supporters of the front panel into the slots, 
along the direction of arrows to cover and clasp the 
front panel. As show in right figure.

If at any time the remote control becomes damaged or lost you can switch to the manual mode on the indoor unit. 
This will allow the unit to run in AUTO mode only.  While in AUTO mode the unit temperature cannot be switched.  
Contact your local service provider for instructions on replacing the remote control.

UNIT OPERA

TION

P30 OF 46

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

CLEAN AND CARE

CLEANING THE AIR FILTERS (RECOMMENDED ONCE EVERY THREE 
MONTHS)

Note: 

If the unit is in a dusty area, the air filters should be cleaned more often.  After taking off the filter, be sure 

not to touch the fin on the indoor unit as this will cause injury.

Cleaning

To clean the dust adhering to the filters, you can either use a vacuum cleaner, or wash them with warm water. 

O

the neutral detergent water should be below 113 F when the filters are very dirty and dry in the shade.When the 
filters are very dirty (such as oil stain), and dry it in the shade.

NOTE: 

Never use water hotter than 113 F to wash the unit or the filters as this can discoloration and/or deform 

the unit.  Never dry the filters by fire as this can be dangerous.  Always air dry the filters.

O

Reinsert the filters

Reinsert the filters along with the arrow head, then cover the surface panel and clasp it.

1) If the unit is still connected to the correct electric power V/Ph/Hz.
2) If the unit is still securely fastened..
3) If the batteries of remote control are good.
4) If the filter is loaded and clean
5) If the intake and discharge vents are clear from any obstruction.

MAINTENANCE AFTER USING

1) Turn main power off, by disconnecting electrical power disconnect switch.
2) Clean filter and unit.
3) Cover unit to keep from dust or moisture.

CHECKING BEFORE SEASON COMES:

To Remove the Air Filter

By holding onto the bottom slot of the air filter slightly push the filter in an upward motion at a slight angle and pull 
downward carefully.

Summary of Contents for WMMS-09EW-V2B(59)2

Page 1: ...r 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...

Page 2: ...d for an extended period of time The information we provide in our manuals is for the sole purpose of reminding you and your installer It is our ultimate goal to help insure that your YMGI units are i...

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: ...rvice contractor otherwise 3 The distributor where the unit is purchased from otherwise 4 YMGI Technical Support Tel 866 833 3138 703 Email techsp ymgigroup com Regular equipment maintenance or field...

Page 6: ...0 0 2 1 Cross Flow 1 3 6 x25 4 MP24AA 2 2 4 NA Blue Yes 1 4 3 8 0 67 NA Yes Standard Washable 2 Yes Yes Yes Yes 32 7 x 11 2 x 7 9 35 7 x 15 2 x 10 7 24 3 30 8 240 480 540 208 230 1 60 187 253V 12000 9...

Page 7: ...PE OUT TEM SENSOR ROOM TEM SENSOR FAN MOTOR M1 RT4 RT3 RT2 RT1 4 3 2 TUBE 1 TUBE TUBE 0 ROOM PG PGF CAP JUMP AP2 DISP1 DISP2 SWING UD TR OUT1 TR IN M2 N1 COMU AC L BU BK BN XT N 1 2 3 YEGN E INDOOR UN...

Page 8: ...Tool Set Not Shown Hex Head Key Set Torch for AC Application Not Shown Heat Absorbtion Flux Nitrogen Not Shown Soap Bubble Not Shown Vacuum Pump Helium Leakage Check Not Shown Manifold Wire Cutter Wir...

Page 9: ...door unit B Indoor unit C OVER 20 OVER 10 OVER 10 OVER 8 OVER 10 OVER 2 OVER 4 OVER 4 OVER 80 INSTALLER S INSTRUCTION P16 OF 46 YMGI Engineered Comfort Products for A Sustainable and Efficient Green W...

Page 10: ...uctions of all units thoroughly Ask rep distributor us anything you are not sure about Get your tools and parts ready for installation CAUTION SUGGESTIONS TO FOLLOW PRIOR TO INSTALLATION PIPING AND WI...

Page 11: ...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 at least either one of t...

Page 12: ...For distance other than 25 between indoor and horizontal venting condensing units refer to the following table for copper sizes Make sure the pipe section where is to be cut is straight and smooth App...

Page 13: ...t mode you would like the unit to run in When the remote is first turned on the mode displayed will be the AUTO mode The temperature cannot be adjusted in this mode and will not display on the indoor...

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 same time COOLING Running symbol and cooling symbol are lit HEATING Running lamp and heating symbol are lit DRY Running lamp and dry lamp are lit FAN Running lamp and fan lamp are lit AUTO Auto lam...

Page 16: ...or discoloration to Install front panel Place two supporters of the front panel into the slots along the direction of arrows to cover and clasp the front panel As show in right figure If at any time t...

Page 17: ...orized service center for professional repair Following checks prior to contact may save your time and costs Phenomenon Normal or Abnormal The unit doesn t deliver cooling or heating immediately after...

Page 18: ...leaking 3 Is condensate drain hose clogged or restricted 4 Is condensate drain hose insulated 5 Is the 3 hole at exterior wall staffed or sealed Noise is heard at indoor unit 1 Is the fan motor or co...

Page 19: ...32 Transformer 48X26P 1 33 Wire clamp 1 34 Rear clamp 1 35 Connecting cable 1 36 swing louver clamp 1 37 swing louver 1 38 swing louver up 1 39 swing louver down No Description Tube sensor 20K Part C...

Page 20: ...1 Front panel 200022921 1 Guide louver 261120432 1 Guide louver 261120422 1 Motor MP28EC 15212002 1 Right motor clamp 26112429 1 Bearing holder 26152423 1 Motor FN20M PG 150120873 1 Electric box cove...

Page 21: ...experience to correct the problem more efficiently A technician s may be unwilling to repair an issue on a unit that they did not install If you do find a technician willing to perform the service the...

Page 22: ...ereafter in this and other documents that we publish 2 You will follow what is written hereafter in this and other documents that we publish 3 You will be bound by and completely follow all policies g...

Page 23: ...s available based on the actual need at YMGI s determination This option shall be the last resort due to refrigerant and wiring considerations All unit removal re installation and shipping cost are th...

Page 24: ...Read and follow all policies set forth from the distributor from which you purchased your unit Upon purchase and installation of the unit s you agree to be bounded by all policies published by both di...

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