Advertisement

Midea Air Handling Unit
Technical Service Manual
Midea reserves the right to discontinue, or change specification or designs at any time without notices and without incurring obligations.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MKS02D/D and is the answer not in the manual?

Questions and answers

Summary of Contents for Midea MKS02D/D

  • Page 1 Midea Air Handling Unit Technical Service Manual Midea reserves the right to discontinue, or change specification or designs at any time without notices and without incurring obligations.
  • Page 2: Table Of Contents

    Midea Air Handling Unit Content 1.  Product Introduction ................- 2 -  2.  Specifications ..................- 6 -  3.  Dimension ..................... - 18 -  4.  Coil Data ....................- 21 -  5.  Customizable ESP ................- 23 -  6.  Motor and Fan ..................- 29 - ...
  • Page 3: Product Introduction

    Midea AHUs have been widely used in most part of the world for a couple of years. Now, the 3 generation AHU (horizontal and vertical type) and the 4 generation AHU (suspended type) have been launched to provide you with more comfortable and convenient.
  • Page 4 Midea Air Handling Unit MKS 05 W 4 Y / C-H C: The 3 design series Pipe Connecting Mode Y: Right-handed Z: Left-handed Coil Rows 4: 4-rows 6: 6-rows Unit Structure W: Horizontal L: Vertical Air Flow Rate, ×1,000m Midea Air Handling Unit 1.3 Orientation...
  • Page 5 Midea Air Handling Unit of the cabinet. • Polyurethane Insulation: Panel insulation is made up of Polyurethane foam which is formed by specially designed molds under high pressure. Its density is 50 kg/m and standard panel thickness is 25mm, 35mm and 50mm.
  • Page 6 Midea Air Handling Unit 1.5 Optional Spare Parts • Control Box • Humidifier • Two-way/Three-way Valves • Secondary and High Efficiency Filter • Damper - 5 -...
  • Page 7: Specifications

    Midea Air Handling Unit 2. Specifications 2.1 Suspended type Return air condition Model MKS/D Air volume 2000 3000 4000 5000 6000 7000 8000 9000 10000 12000 15000 Rated cooling 11.2 17.1 22.8 28.5 34.1 39.1 45.5 51.2 58.9 68.3 85.3...
  • Page 8 Midea Air Handling Unit Water pressure drop Chilled water pipe Sound 58.1 61.9 63.0 63.3 65.4 65.5 67.0 67.8 69.6 71.8 level weight Model MKS/D Drain pipe Package dimension 1066×914×702 1216×994×752 1496×994×752 1586×994×752 1786×994×752 1786×994×852 Net dimension 870×750×555 1020×830×605 1300×830×605 1390×830×605...
  • Page 9 Midea Air Handling Unit Fresh air condition Model MKS/D Air volume 2000 3000 4000 5000 6000 7000 8000 9000 10000 12000 15000 Rated cooling 23.5 32.0 45.5 57.1 64.9 83.8 87.6 106.1 113.0 139.1 170.0 capacity Rated heating 27.3 35.6 52.0...
  • Page 10 Midea Air Handling Unit Model MKS/D Drain pipe Package dimension 1066×914×702 1216×994×752 1496×994×752 1586×994×752 1786×994×752 1786×994×852 Net dimension 870×750×555 1020×830×605 1300×830×605 1390×830×605 1590×830×605 1590×830×705 Power supply V-Ph-Hz 380~415V-3-50Hz Model MKS/D Drain pipe Package dimension 1896×994×852 1896×1084×902 2136×1084×902 2136×1084×1007 2436×1164×1052 Net dimension 1700×830×705...
  • Page 11 Midea Air Handling Unit 2.2 Horizontal type Return air condition Model MKS/C Air volume 5000 6000 8000 10000 15000 20000 25000 30000 35000 40000 Rated cooling capacity 28.3 34.6 50.8 63.2 119.3 149.3 179.2 209.1 238.9 Rated heating capacity 47.5 58.8...
  • Page 12 Midea Air Handling Unit Model MKS/C Drain pipe Package 1294×1264×980 1394×1264×980 1646×1314×1092 1864×1344×1112 2134×1364×1338 dimension Net dimension 1100×1120×840 1200×1120×840 1450×1170×945 1650×1200×965 1940×1220×1195 Power supply V-Ph-Hz 380~415V-3-50Hz Model MKS/C Drain pipe Package 2642×1502×1462 2792×1552×1662 2992×1602×1727 3042×2028×2082 3042×2028×2212 dimension Net dimension 2440×1350×1310 2590×1400×1510...
  • Page 13 Midea Air Handling Unit Fresh air condition Model MKS/C Air volume 5000 6000 8000 10000 15000 20000 25000 30000 35000 40000 Rated cooling capacity 57.1 64.9 87.6 113.0 170.0 222.0 279.0 322.0 382.0 430.0 Rated heating capacity 72.6 84.0 112.0 140.0...
  • Page 14 Midea Air Handling Unit Model MKS/C Drain pipe Package 1294×1264×980 1394×1264×980 1646×1314×1092 1864×1344×1112 2134×1364×1338 dimension Net dimension 1100×1120×840 1200×1120×840 1450×1170×945 1650×1200×965 1940×1220×1195 Power supply V-Ph-Hz 380~415V-3-50Hz Model MKS/C Drain pipe Package 2642×1502×1462 2792×1552×1662 2992×1602×1727 3042×2028×2082 3042×2028×2212 dimension Net dimension 2440×1350×1310 2590×1400×1510...
  • Page 15 Midea Air Handling Unit 2.3 Vertical type Return air condition Model MKS/C Air volume 3000 4000 5000 6000 8000 10000 15000 20000 25000 30000 35000 40000 Rated cooling 17.1 22.8 28.3 34.6 50.8 58.9 113.7 149.3 179.2 209.1 238.9 capacity Rated heating 26.7...
  • Page 16 Midea Air Handling Unit Model MKS/C Drain pipe Package dimension 1260×730×1290 1300×730×1440 1360×780×1610 1450×780×1660 1600×890×1840 1660×890×1990 Net dimension 1010×580×1100 1050×580×1250 1110×630×1420 1200×630×1470 1350×740×1650 1410×740×1800 Power supply V-Ph-Hz 380~415V-3-50Hz Model MKS/C Drain pipe Package 2190×960×2070 2670×1080×2170 3040×1180×2350 3040×1180×2540 3450×1220×2540 3650×1220×2540 dimension 1940×740×1880...
  • Page 17 Midea Air Handling Unit Fresh air condition Model MKS/C Air volume 3000 4000 5000 6000 8000 10000 15000 20000 25000 30000 35000 40000 Rated cooling 32.0 45.5 57.1 64.9 87.6 113.0 170.0 222.0 279.0 322.0 382.0 430.0 capacity Rated heating 35.6...
  • Page 18 Midea Air Handling Unit Model MKS/C Drain pipe Package dimension 1260×730×1290 1300×730×1440 1360×780×1610 1450×780×1660 1600×890×1840 1660×890×1990 Net dimension 1010×580×1100 1050×580×1250 1110×630×1420 1200×630×1470 1350×740×1650 1410×740×1800 Power supply V-Ph-Hz 380~415V-3-50Hz Model MKS/C Drain pipe Package 2190×960×2070 2670×1080×2170 3040×1180×2350 3040×1180×2540 3450×1220×2540 3650×1220×2540 dimension Net dimension 1940×740×1880...
  • Page 19: Dimension

    Midea Air Handling Unit 3. Dimension 3.1 Suspended type - 18 -...
  • Page 20 Midea Air Handling Unit 3.2 Horizontal type - 19 -...
  • Page 21 Midea Air Handling Unit 3.3 Vertical type - 20 -...
  • Page 22: Coil Data

    Midea Air Handling Unit 4. Coil Data 4.1 Suspended type Type Tube size No. of rows Fin per inch Face area (W × H) Model MKS/D Copper tube and aluminum fin Φ7.00 630×355.6 Copper tube and aluminum fin Φ7.00 760×406.4 Copper tube and aluminum fin Φ7.00...
  • Page 23 Midea Air Handling Unit 4.3 Vertical type Type Tube size No. of rows Fin per inch Face area (W × H) Model MKS/C Copper tube and aluminum fin Φ9.52 760×406.4 Copper tube and aluminum fin Φ9.52 800×508 Copper tube and aluminum fin Φ9.52...
  • Page 24: Customizable Esp

    Midea Air Handling Unit 5. Customizable ESP 5.1 Suspended type External static pressure(Pa) Air volume Rows of MKS/D cooling coil (m 2000 3000 4000 5000 6000 7000 8000 9000 10000 12000 15000 Note: Characters in yellow are standard motor power input in standard ESP, others ESP must be customized.
  • Page 25 Midea Air Handling Unit Motor power(kW) corresponding to external static pressure Air volume Rows of MKS/D cooling coil (m 0.37 0.37 0.55 0.55 0.55 0.55 2000 0.37 0.55 0.55 0.55 0.75 0.75 0.55 0.55 0.55 0.75 0.75 0.75 3000 0.55 0.55...
  • Page 26 Midea Air Handling Unit 5.2 Horizontal type Rows of External static pressure(Pa) Air volume MKSxxY(Z)/T cooling (m coil 5000 6000 8000 10000 15000 20000 25000 30000 35000 40000 Note: Characters in yellow are standard motor power input in standard ESP, others ESP must be customized.
  • Page 27 Midea Air Handling Unit Rows of Motor power(kW) corresponding to external static pressure Air volume MKSxxY(Z)/T cooling (m coil 5000 6000 8000 10000 15000 20000 25000 30000 2*5.5 2*5.5 2*7.5 2*7.5 2*7.5 2*7.5 35000 2*7.5 2*7.5 2*7.5 2*7.5 2*7.5 2*11 2*7.5...
  • Page 28 Midea Air Handling Unit 5.3 Vertical type External static pressure(Pa) Air volume Rows of MKSxxY(Z)/T cooling coil (m 3000 4000 5000 6000 8000 10000 15000 20000 25000 30000 35000 40000 Note: Characters in red are standard motor power input in standard ESP, others ESP must be customized.
  • Page 29 Midea Air Handling Unit Motor power(kW) corresponding to external static pressure Air volume Rows of MKSxxY(Z)/T cooling coil (m 0.75 0.75 0.75 3000 0.75 0.75 4000 5000 6000 8000 10000 15000 20000 25000 30000 35000 18.5 18.5 18.5 40000 18.5 18.5...
  • Page 30: Motor And Fan

    Midea Air Handling Unit 6. Motor and Fan 6.1 Suspended type Model – MKS/D Brand Yilida Type Centrifugal fan Model SYT7-7L SYT9-9 SYT9-7L2 SYT9-7L2 SYT9-9L2 SYT10-10L2 Brand WanNan Type three-phase asynchronous motor Power 380V-3Ph-50Hz supply Model YE2-80M2-4 YE2-80M2-4 YE290S-4 YE2-90L-4...
  • Page 31 Midea Air Handling Unit 6.2 Horizontal type Model – MKS/C Brand Yilida Type Centrifugal fan Model SYT12-12L SYT12-12L SYT15-15L SYT15-15L SYT15-11L2 Brand WanNan Type three-phase asynchronous motor Power supply 380V-3Ph-50Hz Model YE2-90L-4 YE2-100L1-4 YE2-100L1-4 YE2-100L2-4 YE2-132S-4 Motor Insulation class Safe class...
  • Page 32 Midea Air Handling Unit 6.3 Vertical type Model – MKS/C Brand Yilida Type Centrifugal fan Model SYT9-9L SYT10-10L SYT12-12L SYT12-12L SYT15-15LK SYT15-15LK Brand WanNan Type three-phase asynchronous motor Power 380V-3Ph-50Hz supply Model YE2-90S-4 YE2-90L-4 YE2-100L1-4 YE2-100L1-4 YE2-100L2-4 YE2-112M-4 Motor Insulation...
  • Page 33: Installation

    Midea Air Handling Unit 7. Installation Unit Placement  If the unit needs to be placed outside before installing, please keep the unit out of dust, rain, snow and away from animals, and maintain the surface protection package not damaged. Don’t expose the unit under strong sunshine in summer, otherwise the insulation panel may be deformed.
  • Page 34 Midea Air Handling Unit Water System Installation  1. Clean the water pipes before installation and install the filter at the water inlet of water pump. 2. The condensing water pipes are at the bottom of unit. Set water discharge elbow according to the static pressure to ensure the water discharging and avoid strange smell from entering the unit.
  • Page 35 Midea Air Handling Unit Electrical Installation  1. Electrical Diagrams Wirings of standard unit are shown in the diagrams below, for reference. L1 L2 L3 N direct starting L1 L2 L3 V2 W2 U2 Y-Δ start (step start) Check if the power supply meets the unit requirement and voltage exceed ±10% of rated voltage. The unit use the power supply with 3 phase and 380V/3N~/50Hz.
  • Page 36 Midea Air Handling Unit 2% when Unit running. 4. Wiring should have good insulation and protect equipment, and insulation resistance should be more than 10 MΩ when electrical components bearing 500V. Unit shell should have reliable ground protection equipment. 5. Check whether three phase (U,V,W) and PE terminal is firmly connected and whether power phase sequence accord with unit requirement before unit is electrified.
  • Page 37: Test Run

    Midea Air Handling Unit 8. Test Run 1. Open the air discharge valve before operation. After the air inside the coil and pipes are discharged, close the air discharge valve. 2. Check whether the temporary vibration absorbers were installed and take them off if they were.
  • Page 38: Daily Maintenance

    Midea Air Handling Unit 9. Daily Maintenance Caution: The service and maintenance must be done when the unit is stopped! Check the unit operation regularly. Regular and efficient maintenance will improve the unit reliability and increase its lifespan. 1. During the halt of the unit, fill the heat exchanger with water to avoid rust. When the ambient temperature is under 0℃...
  • Page 39: Trouble Shooting

    Midea Air Handling Unit Trouble Shooting Faults phenomenon Possible Reasons Resolvent Impeller off-centre、part breakdown Fan bearing Replace fan impeller Tightening bearing support, Fan impeller vibration support loose, bearing breakdown、oil starvation feed oil or replace Fan fastening bolt is loose The pressure,...
  • Page 40: After-Sales Service & Warranty Repair

    Midea Air Handling Unit After-sales Service & Warranty Repair 1. Contact your dealer for service and maintenance. Improper repair and maintenance may cause water leakage, electric shock and fire. 2. If the unit is required to be moved or reinstalled, please contact your dealer. Improper installation may cause water leakage, electric shock and fire.

Table of Contents