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YMGI WMMS-30CH-V2B(59)5, Руководство по обслуживанию, Страница: 46 / 81

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

 

YMGI: Your Modern Green Idea 

 

 

 

 

46 

 

Maintenance

 

 

 

Only use instruments that are designed for use with R410A refrigerant.  

 

Do not use any other refrigerant than R410A.  

 

Do not use mineral spirits or oils to clean the unit. 

 

 

 

 
Installation Location Clearances

 

 

 

Installation should only be done by trained and qualified HVAC service personnel according to the information in this manual.  

 

Contact technical support to answer any questions before installation, to avoid malfunction due to improper installation.  

 

Use proper equipment and trained personnel when elevating or moving the units. 

 

Ensure proper performance of the system by making sure that there is recommended clearances around the appliance.

 

 

 

 
 

Содержание WMMS-30CH-V2B(59)5

Страница 1: ...related documents manuals provided by YMGI Failure to follow and adhere to all codes and documentation can cause damage to equipment property even personal injury Installer Currently licensed certifi...

Страница 2: ...cautions 12 Technical Information 14 Specifications 15 Outdoor Unit Dimensions 17 Refrigerant System Diagram 20 Electrical Components Wiring Diagrams 24 PCB Printed Board Diagrams 28 Functions and Con...

Страница 3: ...rements for handling reclaiming recovering and recycling of certain refrigerants the equipment and tools necessary to perform these service procedures In addition some states or municipalities may hav...

Страница 4: ...stem installer or HVAC professional as soon as possible and provide the following information Data on the unit model number serial number and owner s name A detailed description of the unit s problem...

Страница 5: ...etc which the manufacturer may not require certified and licensed personnel to install Reading and following YMGI Group recommendations and requirements contained in the following pages and other doc...

Страница 6: ...ling the piping through any structures at time of installation 2 Not installing an oil P trap in the copper suction line where the indoor unit is located 18 feet or more below the outdoor unit 3 Cross...

Страница 7: ...D or any other identifying marks on each pair of copper lines and wiring cable sets to keep from cross piping or cross wiring in multiple zone installations or where pipes for different single zone s...

Страница 8: ...ation or 90 days as of original shipping date from YMGI Group whichever comes first This is a standard limited liability warranty and DOES NOT cover the following Any damage or repairs to properties o...

Страница 9: ...st will be charged accordingly 3 YMGI will ground ship out the parts ASAP Expedited shipping is available at the customer s expense 4 Replacement parts that have an approved warranty registration are...

Страница 10: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 10...

Страница 11: ...ne if they are reputable 4 Use only a reputable licensed certified HVAC installation professional to prevent any unexpected charges because of unethical business practices 5 Check their references ver...

Страница 12: ...unit to moist or corrosive environments 17 While operating in cooling mode do not set the indoor unit s room temperature too low 18 YMGI Group recommends that only properly trained and authorized per...

Страница 13: ...Make sure to disconnect the power supply and switch off all circuits prior to inspecting or servicing the unit Inspecting and servicing the unit while the power supply is connected and the circuits ar...

Страница 14: ...fort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 14 Technical Information Outdoor Unit WMMS 30CH V2B 59 5 WMMS 36CH V2B 59 5 WMMS 42CH V2B 59 5 WMMS 48CH V2B 59 5...

Страница 15: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 15 59 5 ODU Specification Sheet...

Страница 16: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 16...

Страница 17: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 17 Outline Dimension Diagram WMMS 30CH V2B 59 5...

Страница 18: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 18 WMMS 36CH V2B 59 5...

Страница 19: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 19 WMMS 42CH V2B 59 5 WMMS 48CH V2B 59 5 WMMS 60CH V2B 59 5...

Страница 20: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 20 Refrigerant System Diagram WMMS 30CH V2B 59 5...

Страница 21: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 21 WMMS 36CH V2B 59 5...

Страница 22: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 22 WMMS 42CH V2B 59 5 WMMS 48CH V2B 59 5...

Страница 23: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 23 WMMS 60CH V2B 59 5...

Страница 24: ...reen World YMGI Your Modern Green Idea 24 Electrical Components Symbol Symbol Color Symbol Symbol Color Symbol Symbol Color WH White GN Green COMP Compressor YE Yellow BN Brown Grounding wire RD Red B...

Страница 25: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 25...

Страница 26: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 26...

Страница 27: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 27...

Страница 28: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 28 PCB Printed Board Diagrams...

Страница 29: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 29...

Страница 30: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 30...

Страница 31: ...other disposals are the same as stopping in cooling mode 1 4 4 way valve in this mode the 4 way valve is closed 1 5 Outdoor fan control in cooling mode The outdoor fan starts before 5s of the starting...

Страница 32: ...an shall run at every speed for at least 80s When the compressor stops the outdoor fan stops after 1min 3 4 Defrosting function When the defrosting condition is met the compressor will stop The electr...

Страница 33: ...restricted or slows down the operation speed when the discharge temperature is too high the compressor protection prevents the compressor from running If the discharge temperature protection is trigg...

Страница 34: ...ill stop when the indoor temperature reaches the set temperature The PFC is closed and the display will indicate the IPM protection malfunction After the compressor stops for 3 min the unit will attem...

Страница 35: ...length from the manufacture or distributor Do not splice or lengthen the wiring 11 The air conditioner must be installed with an appropriately sized circuit breaker in the circuit The circuit breaker...

Страница 36: ...very takes too much time air may be sucked into the system and cause pressure to rise or compressor rupture resulting in injury 4 During refrigerant recovery make sure that the liquid valve and gas va...

Страница 37: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 37 Tools for Installation and Maintenance...

Страница 38: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 38 Installation Procedure...

Страница 39: ...unit on the terminals Do not cross wire See wiring diagrams below 3 Secure the power connection wire using the wire clamp 4 Ensure wire has been firmly attached will 5 Reinstall the handle Including...

Страница 40: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 40...

Страница 41: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 41...

Страница 42: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 42...

Страница 43: ...9 5 80 25 WMMS 48CH V2B 59 5 80 25 WMMS 60CH V2B 59 5 100 25 The refrigerant pipes must not exceed the maximum heights 30K and 36K 49 ft 42K 48K and 60K 82 ft Wrap all the refrigerant pipes and joints...

Страница 44: ...4 Operate the vacuum pump for 10 15 minutes until an absolute vacuum of 10 mm Hg has been reached 5 With the vacuum pump still in operation close the low pressure knob on the vacuum pump coupling Sto...

Страница 45: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 45...

Страница 46: ...the unit Installation Location Clearances Installation should only be done by trained and qualified HVAC service personnel according to the information in this manual Contact technical support to answ...

Страница 47: ...it should be installed at least 1 25 inches above the floor to accommodate the drain fitting For models with heating tube the installation height should be no less than 8 inches o For units with cooli...

Страница 48: ...t may bread down or the components may be burned out Are the wires and refrigerant lines correctly installed The unit may break down or the components may be burned out Make sure to not cross pipe or...

Страница 49: ...city of electrolytic capacitor after power off 1 Open the top cover of outdoor unit and then remove the cover of electric box cover 2 As shown in the fig below connect the plug of discharge resistance...

Страница 50: ...hort circuited Hardware malfunction b5 Gas valve temperature sensor is open short circuited Hardware malfunction b7 Modular temperature sensor is open short circuited Hardware malfunction P7 Outdoor a...

Страница 51: ...of wrong connection of communication wire or malfunction of electronic expansion valve Operation status dd Mode conflict Operation status E7 Refrigerant recycling mode Operation status Fo X fan Opera...

Страница 52: ...in items to check Is the input voltage of the unit is within normal range Is the connection wire of compressor firmly connected Is it loose Is the connection sequence correct Is the resistance of comp...

Страница 53: ...le and Efficient Green World YMGI Your Modern Green Idea 53 2 PFC protection malfunction capacity charging malfunction Main items to check Is the mainboard broken or damaged Is the wiring of the induc...

Страница 54: ...d Efficient Green World YMGI Your Modern Green Idea 54 3 Compressor desynchronizing malfunction Main items to check Is the electric expansion valve working normally or it is broken Is the pressure of...

Страница 55: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 55...

Страница 56: ...ent Green World YMGI Your Modern Green Idea 56 4 Compressor overload discharge protection malfunction Main items to check Is there a refrigerant leakage Is the electronic expansion valve well connecte...

Страница 57: ...GI Your Modern Green Idea 57 5 Start failure malfunction Main items to check If the stop duration of the compressor is sufficient If the connection wire of the compressor is connected properly If the...

Страница 58: ...Efficient Green World YMGI Your Modern Green Idea 58 6 Temperature sensor malfunction Main items to check Is the terminal of the temperature sensor loose or disconnected Is the temperature sensor is d...

Страница 59: ...for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 59 7 DC fan malfunction Main items to check Is the outdoor fan is blocked by foreign objects The connection wire of DC fan is c...

Страница 60: ...Your Modern Green Idea 60 8 Communication malfunction Main items to check Is the connection wire between the indoor unit and outdoor unit is correctly and securely connected Is the wires inside the u...

Страница 61: ...YMGI Engineered Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 61...

Страница 62: ...Green Idea 62 9 Anti high temperature and overload malfunction Main items to check Is the indoor fan and outdoor fan running normally Is the outdoor ambient temperature within the normal operating ran...

Страница 63: ...ergization power indicator is lit on display No response to remote controller or buttons Replace batteries for remote controller Repair or replace remote controller 2 Poor Cooling or Heating performan...

Страница 64: ...connected Step motor is damaged Step motor can t operate Repair or replace stepping motor Main board is damaged Others are all normal while horizontal louver can t operate Replace the main board with...

Страница 65: ...rmination Method Air conditioner Status Troubleshooting Drain pipe is blocked Water leaks from indoor unit Eliminate the blockage inside the drain pipe Drain pipe is broken Water leaks from drain pipe...

Страница 66: ...just the support foot pads of the compressor Tighten the bolts that secure the compressor to the chassis Abnormal sound from inside the compressor Abnormal sound from inside the compressor Check to se...

Страница 67: ...Disassembly Procedure Step Procedure 1 Before disassembly Complete axonometric drawing 2 Remove valve cover Remove the connection screw fixing the valve cover and then remove the valve cover 3 Remove...

Страница 68: ...ve top panel Remove the connection screws connecting the top panel and the front panel and then remove the top panel 5 Remove front grille Remove the connection screws connecting the front grille and...

Страница 69: ...ng the right side plate with the chassis and the valve support Then remove the right side plate 8 Remove rear grill Remove the screws connecting the rear grill and left side plate and then remove the...

Страница 70: ...Remove the 4 tapping screws fixing the motor and disconnect the leading wire insert of the motor Then remove the motor Remove the 2 tapping screws fixing the motor support and chassis and then lift th...

Страница 71: ...y valve assy 14 Remove valve support sub assy and expansion valve assy Remove the screw connecting the valve support and the chassis and then remove the valve support assy Unsolder the welding joint c...

Страница 72: ...rn Green Idea 72 16 Remove compressor Remove the 3 foot nuts fixing the compressor and then remove the compressor 17 Remove condenser assy Remove the screws fixing the condenser support and then remov...

Страница 73: ...4 28 66 67 66 2 19 75 76 75 2 24 84 85 84 2 29 68 68 20 77 77 25 86 86 30 Ambient temperature Fahrenheit display temperature F Fahrenheit F Celsius C Fahrenheit display temperature F Fahrenheit F Cel...

Страница 74: ...t and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable pipe insulation D Put on th...

Страница 75: ...Comfort Products for A Sustainable and Efficient Green World YMGI Your Modern Green Idea 75 F Inspection Check the quality of expanding port If there is any blemish expand the port again according to...

Страница 76: ...3 63 46 93 2 10 2 163 4 2 358 233 6 0 717 24 8 60 23 95 9 779 165 2 2 28 235 4 0 697 26 6 57 18 96 8 9 382 167 2 206 237 2 0 678 28 4 54 31 98 6 9 003 168 8 2 133 239 0 66 30 2 51 59 100 4 8 642 170 6...

Страница 77: ...144 233 6 0 956 24 8 80 31 95 13 04 165 2 3 04 235 4 0 93 26 6 76 24 96 8 12 51 167 2 94 237 2 0 904 28 4 72 41 98 6 12 168 8 2 844 239 0 88 30 2 68 79 100 4 11 52 170 6 2 752 240 8 0 856 32 65 37 102...

Страница 78: ...5 4 10 93 215 6 3 129 6 8 342 8 77 49 19 147 2 10 54 217 4 3 04 8 6 323 9 78 8 47 08 149 10 18 219 2 2 955 10 4 306 2 80 6 45 07 150 8 9 827 221 2 872 12 2 289 6 82 4 43 16 152 6 9 489 222 8 2 792 14...

Страница 79: ...World YMGI Your Modern Green Idea 79 USER NOTES AND INSTALLATION SERVICE MAINTENANCE NOTES INSTALLATION NOTES Please record any questions or problems you have experienced as a unit history No Date No...

Страница 80: ...ES Please record any questions or problems you have experienced as a unit history No Date Company Name Technician Name Phone HVAC License Job Not Performed by Technician Technician Checklist Completed...

Страница 81: ...3 4 8 16 and 24 Ton Symphony SOLO DC Inverter 57 2 3 Single Zone 16 SEER 09 36K Btu h 58 4 78 1 Single Zone 18 23 SEER 09 36K Btu h Symphony CHOIR DC Inverter 46 2 DC Inverter Multiple Zone 15 SEER 2...

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