Midea MC-SU30-RN1L Owners & Installation Manual
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Midea MC-SU30-RN1L Owners & Installation Manual

Midea MC-SU30-RN1L Owners & Installation Manual

Air-cooled rotary chiller
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OWNER'S & INSTALLATION MANUAL
Air-cooled Rotary Chiller
Applicable models:MC-SU30-RN1L
MC-SU60-RN1L
Original instructions
Thank you very much for purchasing our air conditioner,
Before using your air conditioner, please read this manual carefully and keep it for future reference.

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Summary of Contents for Midea MC-SU30-RN1L

  • Page 1 OWNER'S & INSTALLATION MANUAL Air-cooled Rotary Chiller Applicable models:MC-SU30-RN1L MC-SU60-RN1L Original instructions Thank you very much for purchasing our air conditioner, Before using your air conditioner, please read this manual carefully and keep it for future reference.
  • Page 3 ACCESSORIES Installation Temperature transformer Installation & testing Unit manual of wired Operation components of controller Manual total water outlet Qty. Shape Use for installation (only need for Purpose setting the main module) MAIN PARTS OF THE UNIT 1)MC-SU30-RN1L...
  • Page 4 2)MC-SU60-RN1L Electric NAME Air outlet Top cover Compressor Evaporator Condenser Water intlet control box NAME Air inlet Water outlet WARNING: NGI safety valve warranty period is 24 months. Under the specified conditions, if flexible sealing parts is used, the safety valve life expectancy is 24 to 36 months, if metal or PIFE sealing components is used, the average life expectancy is 36 to 48 months.
  • Page 5 The standard voltage of power supply is 380-415V 3N~50Hz, the minimum allowable voltage is 342V, and the maximum voltage is 456V. b. To maintain better performance, please operate the unit under the following outdoor temperature: MC-SU30-RN1L MC-SU30-RN1L MC-SU60-RN1L MC-SU60-RN1L...

  • Page 6: Table Of Contents

    Never inspect or service the unit by yourself. Ask a qualified service person to perform this work. CONTENTS PAGE Do not dispose this product as unsorted municipal waste.Collection of such waste separately for special PRECAUTIONS................2 treatment is necessary. TRANSPORTATION ...................3 Keep far away from high-frequency equipment.

  • Page 7: Transportation

    Do not operate the air conditioner with a wet hand. Recommending locate and operate the equipment at the altitude height not exceeded than 1000m. An electric shock may happen. Endurable temperature during transportation is -25℃~43℃. Do not touch the heat exchanger fins. Such equipment could endure 65℃...

  • Page 8: Installation Of The Unit

    3. INSTALLATION OF THE UNIT 3.1 Selection of installation sites 3.1.1 The unit can be installed on the ground or on the suitable roof, but enough ventilation volume should be ensured in both cases. 3.1.2 The unit should not be installed where noise and vibration are required to a certain extent.
  • Page 9 3.3.1.3 If the unit needs to operate in winter, and the Table 3-1 installation site may be covered by snow, the unit should be located higher than the snow surface, to ensure that air flows through the coils smoothly. Model MC-SU30-RN1L MC-SU60-RN1L 2220 1870 Input of airflow 1055...
  • Page 10 3.4 Space requirements for parallel installation of Drainage channel Concrete Cement mortar multiple Modular units To avoid back flow of the air in the condenser and operational faults of the unit, the parallel installation of multiple Modular Fig. 3-6 units can follow the direction A and D as shown in Fig. 3-2, the spaces between the unit and the obstacle are given in Table 3.6 Installation of damping devices 3.1, and the space between adjacent Modular units should not...

  • Page 11: Water System Installation

    k. All low positions of the water system should be provided WATER SYSTEM INSTALLATION with drainage ports, to drain water in the evaporator and the system completely; and all high positions should be supplied with discharge valves, to facilitate expelling air from the 4.1 Basic requirements of connection of chilled pipeline.
  • Page 12 4.2 Connection drawing of pipeline system Expansion tank Water replenishing Dirt discharge valve Main unit Y-type filter, unit requiring≥ 16 mesh Differential pressure by-pass valve unit Terminal Drain valve Two-way valve Auxiliary electric heater Three-way valve This is the water system of standard module, which pump is not provided. Symbol explanation Stop valve Pressure gauge...
  • Page 13 Model Maximum Minimum Process type type cooling G= cooling capacity×7.4L MC-SU30-RN1L In certain occasion (especially in manufacture cooling process), for conforming the system water content requirement, MC-SU60-RN1L 13.0 it’s necessary to mount a tank equipping with a cut-off baffle at the...
  • Page 14 4.8 Water quality control 4.9 Installation & regulation guide for target flow controller 4.9.1 Please carefully check flow switches before conducting 4.8.1 Water quality control installation of the target flow controller. Packing should be in good condition, and the appearance should be free of damage When industrial water is used as chilled water, little furring may and deformation.
  • Page 15 4.10 Installation of single-module water system pipeline MC-SU30-RN1L Electric control box Water inlet Total water outlet temperature sensor Water outlet Fig. 4-5 MC-SU60-RN1L Electric control box Water inlet Total water outlet temperature sensor Water outlet Fig. 4-6 I&O manual...
  • Page 16 4.11 Installation of multi-module water system pipeline Multi-module combination installation involves special design of the unit, so relevant explanation is given as follows. 4.11.1 Installation mode of multi-module combination water system pipeline 1) MC-SU30-RN1L、MC-SU60-RN1L No.n module No.(n-1) module No.1 module No.(n-1) address...

  • Page 17: Electric Wiring

    5. ELECTRIC WIRING 5.3.6 All power supplies connected to the unit must pass one manual switch, to ensure that the voltages on all nodes of electric circuit of the unit are released when the switch is cut off. 5.1 Electric wiring 5.3.7 The cables of correct specification must be used to supply power for the unit.
  • Page 18 Step 5. The wires of the main power must pass the bonding clamp. Step 6. Wires should be connected firmly to the connection terminals A, B, C and N. Step 7. Phase sequences must be consistent when the wires of the main power. Step 8.
  • Page 19 5.6 Detail description for parts in fig. 5-4 Table 5-2 Detail information I1：Detection of current of the compressor A (protection code P4) I2：Detection of current of the compressor B (protection code P5) Outdoor fan , controlled by T4 One compressor of the system Electronic expansion valve of the system signal communication port (fault code E2) T4: outdoor ambient temperature sensor (fault code E7)
  • Page 20 Detail information CN58/CN59：Filter board power supply port CN44：Remote control port If the port is closed, it is the heating mode; if the port is disconnected, it is the cooling mode CN44：Remote control port(ON/OFF signal,effect on NO.0 unit) CN44：Water flow detection (fault code of the main unit E9) is only valid for the main unit but invalid for subordinate units. 1) Main unit: if abnormal water flow occurs , the main unit board and the wired controller will display fault code E9.
  • Page 21 Detail information Numerical code tube 1) In case of stand-by, the address of the module is displayed; 2) In case of normal operation, 10. is displayed (10 is followed by dot). 3）In case of fault or protection, fault code or protection code is displayed. Spot check.

  • Page 22: Trial Run

    6. TRIAL RUN 6.1 Points for attention prior to trial run 6.1.1 After the water system pipeline is flushed several times, please make sure that the purity of water meets the requirements; the system is re-filled with water and drained, and the pump is started up, then make sure that water flow and the pressure at the outlet meet the requirements.

  • Page 23: Use

    7. USE 6.3 Trial run 6.3.1 Start up the controller and check whether the unit displays a 7.1 Use conditions of the unit fault code. If a fault occurs, remove the fault first, and start the unit according to the operating method in the “unit control instruction”, after determining that there is no fault existing in the unit.
  • Page 24 7.4 Control and protection function of unit 7.3 ON/OFF 7.4.1 The unit has the following protection functions When the wired controller is unlocked and the unit is on, "ON/OFF" can be pressed to power off the unit under the home page only; when the unit is 1) Current cut-off protection off, press "ON/OFF"...
  • Page 25 7.5 Troubleshooting Table 7-1 Error Possible reason Detect and settle measure Air or other non-condensing gas still Discharge gas from fluorin charging inlet. Re-vacuum the system if in the system necessary. Fins in the condenser are dirty or Clean condenser fins. foreign substance blocking fins.
  • Page 26 Table 7-1 Error Possible reason Detect and settle measure Over high air expelling pressure and See “Over high air expelling pressure” and “Over high air suction pressure” air suction pressure Compressor stops Hi-voltage or Lo-voltage, signal phase Confirm voltage not higher or lower than the rated voltage 20V because of motor or phase unbalance Overcurrent.

  • Page 27: Maintenance And Upkeep

    8. MAINTENANCE AND UPKEEP Evaporator pressure low in cooling mode Low-temperature protection of evaporator (manual recovery) 8.1 Failure information and code In case the unit runs under abnormal condition, failure T4 high temperature protection in heating mode protection code will display on both control panel and wired Tfin module high temperature protection(Protection occurs for controller, and the indicator on the wired controller will flash 3 times in 100 minutes and the failure can be recovered by...
  • Page 28 8.4 Query display 8.2 Ordinary displayed data Press the “▲” or “▼” key of wire controller to adjust the main unit a. Ordinary displayed data are displayed in all display pages. serial number can query 16 sets main units’ status information from #0～#15.
  • Page 29 8.7 Winter shutdown 8.5 Care and maintenance For shutdown in winter, the surface of the unit outside and inside Maintenance period should be cleaned and dried. Cover the unit to prevent dust. Open It's recommended that before cooling in summer and heating in discharge water valve to discharge the stored water in the clean winter every year, consult local air conditioner customer service water system to prevent freezing accident (it is preferable to inject...
  • Page 30 Factory charge Model discharged. Refrigerant/kg tonnes CO equivalent 8.14 Wiring of “ON/OFF” weak electric port MC-SU30-RN1L 10.50 21.94 17.00 35.50 MC-SU60-RN1L First, corresponding parallel connect the “ON/OFF” port of the Attention: main unit’s electric control box,then, connect the “ON/OFF”...
  • Page 31 RECORD TABLE OF TEST RUN AND MAINTENANCE Table 8-2 Model: Code labeled on the unit: Customer name and address: Date: 1. Whether there is sufficient water flow passing waterside heat exchanger? ( 2. Whether leakage detection has been made on all the water pipe? 3.
  • Page 32 RECORD TABLE OF ROUTINE RUNNING Table 8-3 Model: Date: Weather: Operation time: Startup ( Shutdown ( Dry bulb ℃ Outdoor temperature Wet bulb ℃ Indoor temperature ℃ High pressure Low pressure Compressor Voltage Current Inlet ℃ (dry bulb) Air temperature of air-side heat exchanger Outlet...

  • Page 33: Applicable Models And Main Parameters

    9. APPLICABLE MODELS AND MAIN PARAMETERS Table 9-1 Model MC-SU30-RN1L MC-SU60-RN1L Cooling capacity Heating capacity Standard cooling input 22.0 10.8 Cooling rated current 16.7 33.9 Standard heating input 10.5 20.3 Heating rated current 16.2 31.3 Power supply 380-415V 3N~ 50Hz...
  • Page 34 2088 (100 years) Standard rating conditions used: Low temperature application GD Midea Heating & Ventilating Equipment Co. , Ltd. Contact details Penglai industry Road, Beijiao, Shunde, Foshan, Guangdong, 528311 P.R. China. (*) If C is not determined by measurement then the default degradation coefficient of chillers shall be 0,9.
  • Page 35 2088 (100 years) Standard rating conditions used: Low temperature application GD Midea Heating & Ventilating Equipment Co. , Ltd. Contact details Penglai industry Road, Beijiao, Shunde, Foshan, Guangdong, 528311 P.R. China. (*) If C is not determined by measurement then the default degradation coefficient of chillers shall be 0,9.
  • Page 36 Table 10-3 Information requirements for heat pump space heaters and heat pump combination heaters Model(s): MC-SU30-RN1L Air-to-water heat pump: [yes] Water-to-water heat pump: [yes/no] Brine-to-water heat pump: [yes/no] Low-temperature heat pump: [yes/no] For low-temperature heat pumps, parameters shall be declared for low-temperature application. Otherwise, parameters shall be declared for medium-temperature application.
  • Page 37 Table 10-4 Information requirements for heat pump space heaters and heat pump combination heaters MC-SU60-RN1L Model(s): Air-to-water heat pump: [yes] Water-to-water heat pump: [yes/no] Brine-to-water heat pump: [yes/no] Low-temperature heat pump: [yes/no] Equipped with a supplementary heater: [yes/no] Heat pump combination heater: [yes/no] For low-temperature heat pumps, parameters shall be declared for low-temperature application.
  • Page 38 I&O manual...
  • Page 39 I&O manual...
  • Page 40 Version:MD17IU-001BW 16127100000437 GD Midea Heating & Ventilating Equipment Co., Ltd. Penglai Industry Road, Beijiao, Shunde,Foshan, Guangdong , PEOPLE'S REPUBLIC OF CHINA...

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