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Midea R410A 50Hz T1 Compressor Condensing Unit
Compressor Condensing Unit
Applicable Model:
Midea reserves the right to discontinue, or change specification or designs at any time without notices and
without incurring obligations.
1
Midea R410A 50Hz
Technical Manual
MCCU-03CN1
MCCU-07CN1
MCCU-14CN1
MCCU-22CN1
MCCU-35CN1
MCCU-53CN1
MCCU-70CN1
MCCU-05CN1
MCCU-10CN1
MCCU-16CN1
MCCU-28CN1
MCCU-45CN1
MCCU-61CN1
MCCU-105CN1
DM17-03.01.56_en
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Table of Contents
Related Manuals for Midea MCCU-14CN1
Summary of Contents for Midea MCCU-14CN1
- Page 1 Compressor Condensing Unit Technical Manual Applicable Model: MCCU-03CN1 MCCU-05CN1 MCCU-07CN1 MCCU-10CN1 MCCU-14CN1 MCCU-16CN1 MCCU-22CN1 MCCU-28CN1 MCCU-35CN1 MCCU-45CN1 MCCU-53CN1 MCCU-61CN1 MCCU-70CN1 MCCU-105CN1 Midea reserves the right to discontinue, or change specification or designs at any time without notices and without incurring obligations.
- Page 2 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Content Part. 1 Performance ........... 3 Part. 2 Installation ............ 52 Appendix: VRF Solution ......... 81...
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Page 3: Table Of Contents
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Part. 1 Performance 1. Product lineup .............. 4 2. External Appearance ............ 4 3. Nomenclature ..............6 4. Specifications ............... 7 5. Dimensions (Unit: mm) ..........18 6. Refrigerant circuits ............. 24 7. -
Page 4: Product Lineup
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 1. Product lineup Model names of units with cooling only: Outdoor unit Cooling capacity Model Power supply Btu/h MCCU-03CN1 3,200 10,920 MCCU-05CN1 220-240V~, 1Ph, 50Hz 5,300 18,080 MCCU-07CN1 7,100 24,230 MCCU-10CN1 10,500... - Page 5 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-14CN1 MCCU-22CN1 MCCU-16CN1 MCCU-28CN1 MCCU-35CN1 MCCU-45CN1 MCCU-53CN1, MCCU-61CN1 MCCU-70CN1, MCCU-105CN1...
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Page 6: Nomenclature
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 3. Nomenclature M CCU – 53 C N1 Refrigerant type: R410A Function code C: Cooling only H: Heat pump Nominal cooling capacity (53×1,000W) Compressor Condensing Unit Midea... -
Page 7: Specifications
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 4. Specifications Model MCCU-03CN1 MCCU-05CN1 Power supply 220-240V~, 1Ph, 50Hz 220-240V~, 1Ph, 50Hz Ambient temperature range ° C 17~46 17~46 Capacity Cooling Input 2.05 Max. input 1.60 2.85 Max. current 15.0 Noise level... - Page 8 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Model MCCU-07CN1 MCCU-10CN1 Power supply 220-240V~, 1Ph, 50Hz 380-415V~, 3Ph, 50Hz Ambient temperature range ° C 17~46 17~46 Capacity 10.5 Cooling Input Max. input 3.50 5.30 Max. current 18.0 Noise level dB(A)
- Page 9 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Model MCCU-14CN1 MCCU-16CN1 Power supply 380-415V~, 3Ph, 50Hz 380-415V~, 3Ph, 50Hz Ambient temperature range ° C 17~46 17~46 Capacity 14.0 16.0 Cooling Input Max. input 6.10 8.50 Max. current Noise level dB(A)
- Page 10 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Model MCCU-22CN1 Power supply 380-415V~, 3Ph, 50Hz Ambient temperature range ° C 17~52 Capacity 22.0 Cooling Input Max. input 11.70 Max. current 19.3 Noise level dB(A) Type / Quantity Scroll / 1...
- Page 11 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Model MCCU-28CN1 Power supply 380-415V~, 3Ph, 50Hz Ambient temperature range ° C 17~52 Capacity 28.0 Cooling Input Max. input 14.40 Max. current 23.7 Noise level dB(A) Type / Quantity Scroll / 1...
- Page 12 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Model MCCU-35CN1 Power supply 380-400V~, 3Ph, 50Hz Ambient temperature range ° C 17～52 Capacity 35.0 Cooling Input 12.6 Max. input 17.30 Max. current 28.5 Noise level dB(A) Type / Quantity Scroll / 1...
- Page 13 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Model MCCU-45CN1 Power supply 380-415V~, 3Ph, 50Hz Ambient temperature range ° C 17～46 Capacity 44.0 Cooling Input 17.6 Max. input 26.90 Max. current 47.9 Noise level dB(A) Type / Quantity Scroll / 3...
- Page 14 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Model MCCU-53CN1 Power supply 380-400V~, 3Ph, 50Hz Ambient temperature range ° C 18~46 Capacity 53.0 Cooling Input 16.8 Max. input 23.70 Max. current 45.2 Noise level dB(A) Type / Quantity Scroll / 2...
- Page 15 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Model MCCU-61CN1 Power supply 380-400V~, 3Ph, 50Hz Ambient temp range ° C 17~46 Capacity 61.0 Cooling Input 19.0 Max. input 28.20 Max. current 51.0 Noise level dB(A) Type / Quantity Scroll / 2...
- Page 16 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Model MCCU-70CN1 Power supply 380-400V~, 3Ph, 50Hz Ambient temperature range ° C 17~46 Capacity 70.0 Cooling Input 22.0 Max. input 31.80 Max. current 56.5 Noise level dB(A) Type / Quantity Scroll / 2...
- Page 17 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Model MCCU-105CN1 Power supply 380-400V~, 3Ph, 50Hz Ambient temp range ° C 17~46 Capacity 105.0 Cooling Input 28.0 Max. input 40.70 Max. current 71.8 Noise level dB(A) Type / Quantity Scroll / 2...
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Page 18: Dimensions (Unit: Mm)
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 5. Dimensions (Unit: mm) MCCU-03CN1 MCCU-05CN1... - Page 19 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-07CN1 MCCU-10CN1...
- Page 20 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-14CN1, MCCU-16CN1...
- Page 21 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-22CN1, MCCU-28CN1 MCCU-35CN1...
- Page 22 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-45CN1 MCCU-53CN1, MCCU-61CN1...
- Page 23 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-70CN1 MCCU-105CN1...
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Page 24: Refrigerant Circuits
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 6. Refrigerant circuits MCCU-03CN1, MCCU-05CN1, MCCU-07CN1... - Page 25 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-10CN1, MCCU-14CN1, MCCU-16CN1, MCCU-22CN1, MCCU-28CN1, MCCU-35CN1...
- Page 26 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-45CN1...
- Page 27 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-53CN1, MCCU-61CN1, MCCU-70CN1, MCCU-105CN1 Notes: Two 4-way valves connected in refrigerant pipe systems are invalid.
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Page 28: Wiring Diagrams
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 7. Wiring Diagrams MCCU-03CN1, MCCU-05CN1 MCCU-07CN1... - Page 29 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-10CN1 MCCU-14CN1, MCCU-16CN1...
- Page 30 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-22CN1, MCCU-28CN1, MCCU-35CN1...
- Page 31 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-45CN1...
- Page 32 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-53CN1, MCCU-61CN1, MCCU-70CN1...
- Page 33 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-105CN1...
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Page 34: Electrical Datas
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 8. Electrical datas Whole units Power Supply Compressor Model Voltage Min. Max. TOCA MCCU-03CN1 220~240V 198V 254V 20.0 29.9 0.024 0.28 MCCU-05CN1 220~240V 198V 254V 11.5 15.2 40.0 40.0 0.048 0.49 MCCU-07CN1... - Page 35 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Front Model Noise level MCCU-22CN1 65 dB(A) 67 dB(A) MCCU-28CN1 MCCU-35CN1 69 dB(A) 70 dB(A) MCCU-45CN1 MCCU-53CN1 73 dB(A) MCCU-61CN1 76 dB(A) MCCU-70CN1 76 dB(A) MCCU-105CN1 78 dB(A) Notes: 1. H=(h+1)/2m. 2. The sound pressure value is the weighted average of four sides which include front, rear, left and right...
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Page 36: Capacity Table
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 10. Capacity table MCCU-03CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 4.02 3.77 3.66 3.44 3.32 3.14 25°С Input power 0.98 0.92 0.89 0.85 0.82 0.78 Cooling capacity 3.83... - Page 37 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-05CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 6.34 5.95 5.78 5.44 5.24 4.95 25°С Input power 1.55 1.46 1.41 1.35 1.29 1.24 Cooling capacity 6.04 5.67 5.50 5.18...
- Page 38 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-07CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 8.89 8.34 8.09 7.62 7.34 6.94 25°С Input power 2.17 2.05 1.98 1.89 1.81 1.73 Cooling capacity 8.47 7.94 7.71 7.26...
- Page 39 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-10CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 12.61 11.83 11.48 10.82 10.42 9.84 25°С Input power 3.08 2.90 2.81 2.68 2.57 2.46 Cooling capacity 12.01 11.27 10.94 10.30...
- Page 40 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-14CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 17.57 16.48 16.00 15.07 14.51 13.72 25°С Input power 4.29 4.05 3.91 3.73 3.58 3.42 Cooling capacity 16.73 15.70 15.24 14.35...
- Page 41 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-16CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 20.18 18.93 18.38 17.31 16.67 15.75 25°С Input power 4.93 4.65 4.49 4.29 4.12 3.93 Cooling capacity 19.22 18.03 17.50 16.48...
- Page 42 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-22CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 27.86 26.13 25.37 23.89 23.01 21.74 25°С Input power 6.80 6.41 6.20 5.92 5.68 5.43 Cooling capacity 26.53 24.88 24.16 22.75...
- Page 43 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-28CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 35.08 32.90 31.94 30.09 28.98 27.38 25°С Input power 8.58 8.02 7.67 7.33 7.04 6.72 Cooling capacity 33.41 31.34 30.42 28.65...
- Page 44 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-35CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 43.44 40.75 39.56 37.26 35.89 33.91 25°С Input power 10.48 9.93 9.50 9.08 8.71 8.32 Cooling capacity 41.38 38.81 37.68 35.49...
- Page 45 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-45CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 56.11 52.62 51.09 48.12 46.34 43.79 25°С Input power 13.36 12.49 11.95 11.41 10.96 10.46 Cooling capacity 53.43 50.12 48.66 45.83...
- Page 46 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-53CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 65.73 61.65 59.85 56.37 54.29 51.31 25°С Input power 15.49 14.48 13.85 13.23 12.70 12.13 Cooling capacity 62.60 58.71 57.00 53.69...
- Page 47 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-61CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 75.50 70.81 68.75 64.75 62.36 58.93 25°С Input power 17.79 16.63 15.91 15.20 14.59 13.93 Cooling capacity 71.91 67.44 65.48 61.67...
- Page 48 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-70CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 86.68 81.30 78.93 74.34 71.60 67.66 25°С Input power 20.43 19.09 18.27 17.45 16.75 16.00 Cooling capacity 82.55 77.43 75.17 70.80...
- Page 49 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-105CN1 10°С 8°С 7°С 5°С 4°С 2°С Refrigerant evaporating temperature Cooling capacity 129.73 121.68 118.13 111.26 107.16 101.27 25°С Input power 30.58 28.58 27.35 26.12 25.07 23.94 Cooling capacity 123.56 115.88 112.51 105.96...
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Page 50: Connection Accessory List (Optional)
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 11. Connection accessory list (Optional) CCU-10N1(C) CCU-11N1(C) CCU-01N1(C) Available CCU model MCCU-03CN1 MCCU-05CN1 MCCU-07CN1 Model BAE 1 ZW195 BAE 1-1/2 ZW195 BAE 2 ZW195 Thermal expansion valve Quantity Model DML032S 023Z5048 DML032S 023Z5048... - Page 51 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit CCU-05N1(C) CCU-06N1(C) CCU-07N1(C) Available CCU model MCCU-22CN1 MCCU-28CN1 MCCU-35CN1 Model TGEL6.5 067N3174 TGEL9 067N3176 TGEL13 067N3177 Thermal expansion valve Quantity Model DML083S 023Z5058 GZGLQ-DML164S GZGLQ-DML164S Filter drier Quantity Model SGP 10sN(014L0182) SGP 12sN(014L0183)
- Page 52 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Part. 2 Installation 1. Notes ................53 2. Transport and Fixed units ......... 54 3. Connection of Refrigerant Pipe ........ 57 4. Heat Insulation of Refrigerant Pipe ......68 5. Electric Connection ........... 68 6.
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Page 53: Notes
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 1. Notes CAUTION: Install the unit where enough space of installation and maintenance is available. Install the unit where the air inlet and outlet are not baffled and the least affected by external air. -
Page 54: Transport And Fixed Units
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit for installing the unit horizontally without increasing noise or vibration. Install the unit where the operation noise and the expelling of air do not affect neighbors. Install the unit where no flammable gas is leaked. - Page 55 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-45CN1, MCCU-53CN1, MCCU-61CN1, MCCU-70CN1, MCCU-105CN1: In case any obstacles exist above the outdoor unit, such obstacles must be 2000mm above the outdoor unit. Use 4 steel ropes of a diameter 6mm or bigger size to hoist the outdoor unit and move it into the site.
- Page 56 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-22CN1, MCCU-28CN1, MCCU-35CN1: MCCU-45CN1, MCCU-53CN1, MCCU-61CN1, MCCU-70CN1, MCCU-105CN1： (Unit: mm) Model MCCU-03CN1 MCCU-05CN1 MCCU-07CN1 142.4 MCCU-10CN1 624.4 186.3 362.9 MCCU-14CN1 MCCU-16CN1 MCCU-22CN1 1,260 249.3 MCCU-28CN1 1,260 249.3 MCCU-35CN1 1,260 MCCU-45CN1 1,250 1,120...
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Page 57: Connection Of Refrigerant Pipe
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Snow protection facilities must be installed in the snowfall areas. In order to prevent influence caused by snow, set up raised pavilion, and install snow protection sheds at the air inlet and air outlet. - Page 58 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-22CN1, MCCU-28CN1, MCCU-35CN1, MCCU-45CN1: MCCU-53CN1, MCCU-61CN1, MCCU-70CN1, MCCU-105CN1: The refrigerant pipe adapter is located inside the outdoor unit. So remove the right front board first. When the pipe is connected from the front side, the pipe can be led out through the right front board.
- Page 59 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit must be filled in. Otherwise, the oxidized chips may block refrigerating circulatory system. Trash and foreign matters may come into the pipe in the process of installing the refrigerant pipe. Be sure to blow them off with nitrogen before connecting the pipe to the outdoor units.
- Page 60 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit middle of the bendable pipe. Do not bend the pipe more than three times. Be sure to use the same insulation materials when you buy the brass pipe. Bend the tubing in proper way. Do not twist the pipe.
- Page 61 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-10CN1, MCCU-14CN1, MCCU-16CN1: Allowed value Max. actual length of pipe (L) Outdoor unit (upper) Max. height difference between indoor and outdoor unit Outdoor unit lower (lower) Notes: The number of bends is up to the length of the Max. height drop. Usually for each 10m need a bend.
- Page 62 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit the outdoor unit. Connect low pressure nitrogen to the liquid line service port. Braze the liquid line to the high pressure valve (liquid valve) at the outdoor unit. Be sure to wrap the valve body with a wet rag.
- Page 63 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Do not over tighten. (between 40 and 60 inch-lbs. maximum) Evacuate the vapor line, evaporator and the liquid line, to 500 microns or less. Replace cap on service ports. Do not remove the flare caps from the service ports except when necessary for servicing the system.
- Page 64 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Note: If the air conditioner is relocated, be sure to use a vacuum pump or refrigerant tank to expel air. Use the refrigerant in the outdoor unit to expel air. ...
- Page 65 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Loosen and remove the maintenance orifice nut of valve A, and connect the filler hose of the manifold valve to the maintenance orifice of valve A (Tighten both valve A and valve B).
- Page 66 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Procedure of opening the valve: Open the square-head cover, use a spanner to capture the square head and open it thoroughly. Then tighten the square-head cover. Procedure of closing the valve: Same as the procedure of opening the valve, but rotate the spanner clockwise thoroughly.
- Page 67 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Calculate out the indoor volume [B (m )] (according to the minimum volume) Calculate out the refrigerant density: )] ≤ Density threshold: 0.3kg/m [A (kg)] / [B (m Measures against crossing of the refrigerant density threshold.
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Page 68: Heat Insulation Of Refrigerant Pipe
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 4. Heat Insulation of Refrigerant Pipe In order to prevent faults caused by condensate of the refrigerant pipe and drain pipe, perform condensate prevention and heat insulation properly. If it is forecast that high humidity and temperature environment (Condensate temperature is over 23°... - Page 69 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit The power wire and the signal wire shall be laid out neatly and properly, without mutual interference or contacting the connection pipe or valve. No power cable is attached to this equipment. The user can select the power cable by reference to the stipulated power supply specifications.
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Page 70: Trial Run
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 5.3 Schematic diagram 5.4 Electric wire diagram When connect the wire, pay attention to the phase sequence of the power supply. If the phase sequence is reversed, the compressor will not start. Meanwhile, the fault indicator of the outdoor electric control board will light up. -
Page 71: Trouble Shooting
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 7. Trouble shooting 7.1 Phenomena not attributable to faults of air conditioner The system does not run. It does not run immediately because the safety device in the system is active to prevent overload. - Page 72 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit 7.3 Outdoor unit malfunction and protection codes MCCU-10CN1, MCCU-14CN1, MCCU-16CN1: LED3 Type LED1 LED2 ◇ ◇ ★ Phase sequence protection ◇ ◇ ★ Lack of phase (Phase A or B) ◇ ◇...
- Page 73 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit MCCU-45CN1: Type LED1 LED2 ● ☆★ Phase sequence or lack of phase. ● ☆☆★ Communication error. ● ☆☆☆★ Condenser temperature sensor error. ● ☆☆☆☆★ Ambient temperature sensor error ☆★ System low pressure protection.
- Page 74 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit ☆3/3S: Rapidly flash3 times, and then stop for 3 seconds. ☆4/3S: Rapidly flash4 times, and then stop for 3 seconds. ☆5/3S: Rapidly flash5 times, and then stop for 3 seconds. ☆6/3S: Rapidly flash 6 times, and then stop for 3 seconds.
- Page 75 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Low temperature protection of suction Fault of suction temperature sensor...
- Page 76 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Discharge temperature protection...
- Page 77 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Hi-pressure protection...
- Page 78 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Low pressure protection...
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Page 79: Maintenance
DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit Current overload protection Notes: Model MCCU-10CN1 MCCU-14CN1 MCCU-16CN1 8.7A×2 8.7A×2 10A×2 Model MCCU-22CN1 MCCU-28CN1 MCCU-35CN1 MCCU-45CN1 Model MCCU-53CN1 MCCU-61CN1 MCCU-70CN1 MCCU-105CN1 8. Maintenance Operation required before leaving the unit idle for a long period. - Page 80 DM17-03.01.56_en Midea R410A 50Hz T1 Compressor Condensing Unit any. Check whether the ground wire is connected properly. Check whether the insulation work of refrigerant circuit and ventilating duct is on sound status. Check whether the installing seat is corroded or rusted.
- Page 81 Midea R410A 50Hz T1 Compressor Condensing Unit Appendix: VRF Solution Midea VRF units also have another solution of DX AHU applications, through the AHU connection kit. The AHU connection kit is consisted of controller, EXV (electronic expansion valve), distributor and sensor, the external appearance as the following picture: Midea VRF units totally have6 standard models: 25.2kW, 28kW, 33.5kW, 40kW, 45kW and 50kW.