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MegaLife ML-RS-CQ8.0Pd/NaC-K Owner's Manual

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Owner's Manual
Original Instructions
Air Conditioners
Air-to-water Heat Pump Monobloc
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Summary of Contents for MegaLife ML-RS-CQ8.0Pd/NaC-K

  • Page 1 Owner's Manual Original Instructions Air Conditioners Air-to-water Heat Pump Monobloc www.megalife.ma...
  • Page 3 To Users Thank you for selecting product. Please read this instruction manual carefully before installing and using the product, so as to master and correctly use the product. In order to guide you to correctly install and use our product and achieve expected operating effect, we hereby instruct as below: (1) This equipment should be installed, operated or maintained by the qualified servicemen who have had should be followed strictly.

  • Page 4: Table Of Contents

    Contents Safety Notices (Please be sure to abide ) ..............1 1. Diagram of the Operating Principle ................. 7 2. Operating Principle of the Unit ................. 8 3. Nomenclature......................10 4. Installation Example ..................... 11 5. Main Components ....................13 6.

  • Page 5: Safety Notices (Please Be Sure To Abide )

    Air-to-water Heat Pump Monobloc Safety Notices (Please be sure to abide ) WARNING: If not abide strictly, it may cause severe damage to the unit or the people. NOTE: If not abide strictly, it may cause slight or medium damage to the unit or the people.
  • Page 6 Air-to-water Heat Pump Monobloc WARNING Once abnormality Before likeburning smell occurs, wet hand. installation,please see please cut off the power if the voltage of local supply immediately and place accords with then contact with service that on nameplate center. of unit and capacity of power supply, power cord or socket is suitable for input...
  • Page 7 Air-to-water Heat Pump Monobloc Before cleaning please cut The power supply must off the power supply. adopt special circuit with power cord socket leakage switch and enough without prior consent. capacity. Wiring working must be done by professionals. Ensure good earthing and mode of unit.
  • Page 8 Air-to-water Heat Pump Monobloc Never block the air inlet and unit or place anything on it. outlet of unit. spray, gas holder and so on away from the unit above 1m . There is the danger of fall of things or people. cause stop of the unit and explosion.
  • Page 9 Air-to-water Heat Pump Monobloc NOTE Before installation, please check if the adopted power is accordance with that listed on nameplate, and check the safety of power. The unit shall contact with the supply mains by a full disconnection device under overvoltage category Ⅲ...
  • Page 10 maximum and minimum water operating temperatures. Maximum Minimum water operating Item water operating temperatures temperatures Cooling 7°C 25°C Heating 25°C 55°C Water heating 40°C 80°C maximum and minimum water operating pressures. Minimum water operating Maximum water Item pressures operating pressures Cooling Heating 0.05MPa...

  • Page 11: Diagram Of The Operating Principle

    1. Diagram of the Operating Principle Name Name Name Name Solar system inlet Inverter compressor Solenoid valve temperature sensor Inlet temperature EXV 2 sensor (plate heat Water separator temperature sensor exchanger) High-pressure switch Low pressure sensor Safety valve 2-way Valve 1 Suction temperature High pressure sensor Exhaust valve...

  • Page 12: Operating Principle Of The Unit

    2. Operating Principle of the Unit Cooling: plate heat exchanger. Via the heat exchange with water in the plate heat exchanger, the temperature of water decrease and it releases heat while the refrigerant absorbs heat and evaporates. With the help of wired controller, in the system is connected with indoor fan coil and underground pipe, and exchanges heat with the indoor air so that the indoor temperature decreases to the required range.
  • Page 13 Holiday mode:this mode is only available for heating mode. This mode is set to keep indoor temperature or will run. Forced Operation Mode: this mode is only used for refrigerant recovery and debugging for the unit. (10) Quiet mode: Silent mode is available in cooling, heating and water heating mode. In silent mode, the unit will reduce the running noise via automatic control.

  • Page 14: Nomenclature

    3. Nomenclature Description Options Air to water heat pump Heat Pump Water Heater Heating Mode Function Nominal Heating Capacity Compressor Style Refrigerant Na=R410A Power Supply Model Line-Up Capacity Model Name Power supply Heating Cooling RS-CQ8.0Pd/NaC-K RS-CQ10Pd/NaC-K RS-CQ12Pd/NaC-M 13.0 13.6 RS-CQ14Pd/NaC-M 14.2 14.5 Notes...

  • Page 15: Installation Example

    4. Installation Example Notes (c) The Bypass valve must be installed to secure enough water flow rate, and should be installed at the CASE 2: Connecting Sanitary Water Tank Notes (b) Sanitary water tank should be equipped with internal electric heater to secure enough heat energy in the...
  • Page 16 CASE 3 : Connecting Solar thermal system Notes (b) 3-Way valve 1 is controlled by user,while the pool pump is actived, 3-Way valve 1 switches to (d) 3-Way valve 2 is automatic controlled by monobloc unit,while running water heating mode,3-Way valve 2 loop.

  • Page 17: Main Components

    5. Main Components RS-CQ8.0Pd/NaC-K, RS-CQ10Pd/NaC-K Control Box Electric Heater Water Pump Flow Switch Expansion Tank Compressor Plate Heat Exchanger...
  • Page 18 RS-CQ12Pd/NaC-M, RS-CQ14Pd/NaC-M Control Box Safety Valve Air Vent Electric Heater Flow Switc Expansion Tank Water Pum Compressor Plate Heat Exchanger Flash Tank...

  • Page 19: Installation Guideline Of The Unit

    6. Installation Guideline of the Unit 6.1 Instruction to installation Installation of the unit must be in accordance with national and local safety codes. IInstallation quality will directly affect the normal use of the air conditioner unit. The user is prohibited from installation.
  • Page 20 RS-CQ12Pd/NaC-M, RS-CQ14Pd/NaC-M 1390 6.2.3 Space requirements for installation 2000 6.2.4 Precautions on installation of the Monobloc Unit When moving the monobloc unit, it is necessary to adopt 2 pieces of long enough rope to hand the unit from 4 directions. Included angle between the rope when hanging and moving must be 40°below to prevent center of the unit from moving.

  • Page 21: Water Volume And Pump Capacity (With Pump)

    6.3 Water Volume and Pump Capacity (with pump) /min Note...

  • Page 22: Water Volume And Expansion Vessel Pressure

    Notes: (b) Model of the water pump is RS25/7.5. 6.4 Water Volume and Expansion Vessel Pressure Maximum total water volume(liter) Notes 6.5 Selection of Expansion Vessels Formula: V--- Volume of expansion vessel C--- Total water volume --- Pre-set pressure of expansion vessel -- The highest pressure during running of the system (that is the action pressure of safety valve.) e---The expansion factor of water (the difference between the expansion factor of the original water temperature and that of highest water temperature.)

  • Page 23: Remote Air Temperature Sensor

    Water expansion factor in different temperature Temperature( ) Expansion factor e 0.00013 0.00027 0.00177 0.00435 0.00782 0.0099 0.0121 0.0145 0.0171 0.0198 0.0227 0.0258 0.029 0.0324 0.0359 0.0396 0.0434 7. Remote Air Temperature Sensor Front side Back side Remote Air Temperature Sensor 1.5 Meters...

  • Page 24: Thermostat

    Remote Air Environment CN15 Temp sensor Electric box Notes (f) After the remote air temperature sensor is installed, it should be set to “With” through the wired controller so as to set the remote air temperature to the control point. 8.

  • Page 25: Way Valve

    General Information Type Power Operating Mode Supported NO 2-wire NC 2-wire Normal Open type. When electric power is NOT supplied, the valve is open. (When electric power is supplied, the valve is closed.) Normal Closed type. When electric power is NOT supplied, the valve is closed. (When electric power is supplied, the valve is open.) How to Wire 2-Way Valve: Follow steps below to wire the 2-way valve.

  • Page 26: Wired Controller

    3-Way Valve 2 WARNING The 3-way valve should select water tank loop when electric power is supplied to wire (OFF) and wire (N). (ON): Line signal (Water tank heating) from the main board to the 3-way valve (N): Neutral signal from the main board to the 3-way valve 11.

  • Page 27: Charging And Discharging Of Refrigerant

    RS-CQ12Pd/NaC-M, RS-CQ14Pd/NaC-M Gate-Controller 14. Charging and Discharging of Refrigerant The unit has been charged with refrigerant before delivery. Overcharging or undercharging will cause the compressor to run improperly or be damaged. When refrigerant is required to be charged or discharged for installation, maintenance and other reasons, please follow steps below and nominal charged volume on the nameplate.

  • Page 28: Installation Of Insulated Water Tank

    (3) Before charging, check whether the refrigerant cylinder is equipped with a siphon tube or not. With siphon tube No siphon tube 15. Installation of Insulated Water Tank 15.1 Installation measure unit. It allowed to be installed in the room. Water Tank With Bolts...

  • Page 29: Outline Dimension And Parameter Of Water Tank

    15.2 Outline dimension and parameter of water tank SXVD200LCJ/A-K SXVD200LCJ2/A-K SXVD300LCJ/A-K SXVD300LCJ2/A-K Model XVD200LCJ/A-M SXVD200LCJ2/A-M SXVD300LCJ/A-M SXVD300LCJ2/A-M SXVD200LCJ/A-H SXVD200LCJ2/A-H XVD300LCJ/A-H SXVD300LCJ2/A-H Litre 200L 200L 300L 300L Coil length 18.5m 18.5m H(mm) 1595 1620 A(mm) B(mm) C(mm) E(mm) F(mm) I(mm) J(mm) 247.5 202.5 K(mm)

  • Page 30: Connection Of Waterway System

    15.3 Connection of waterway system of circulating water pipe. Preparation of pipelines: circulating water outlet/inlet pipe must be hot water pipe and PPR pipe with nominal outer diameter of dn25 and S2.5 series (wall thickness of 4.2mm) are recommended. Cooling water inlet pipe and hot water outlet pipe of water tank should also be hot water pipe and PPR pipe with nominal outer diameter of dn20 and S2.5 series (wall thickness of 3.4mm) are recommended.

  • Page 31: Electric Wiring Work

    15.4 Electric wiring work 15.4.1 Wiring principle General principles (1) Wires, equipment and connectors supplied for use on the site must be in compliance with provisions of regulations and engineering requirements. (3) Before connection work is started, the power supply must be shut off. (4) Installer shall be responsible for any damage due to incorrect connection of the external circuit of the unit.

  • Page 32: Wring Diagram

    16. Wring Diagram 16.1 Control Board (1) Main Board (AP2):ML-RS-CQ8.0Pd/NaC-K, ML-RS-CQ10Pd/NaC-K, ML-RS-CQ12Pd/NaC-M, ML-RS-CQ14Pd/ NaC-M ENTH AC-N AC-L VA-1 HEAT ENTH-PRESS L-PRESS H-PRESS COM-ESPE2 PWR1 T-SENSOR3 T-SENSOR2 Silk Screen AC_N Neutral wire input of power supply AC_L Live wire input of power supply...
  • Page 33 (2) Main Board (AP1): RS-CQ8.0Pd/NaC-K, RS-CQ10Pd/NaC-K, RS-CQ12Pd/NaC-M, RS-CQ14Pd/ NaC-M HEAT1 BAN-HEAT 2V1_ON 2V2_ON 3V1_ON 3V2_ON OTHER_HEAT_ AC-L HEAT2 2V1_OFF 2V2_OFF 3V1_OFF 3V2_OFF 220V CN33 TR-IN CN31 CN18 T-SEN13 SW_SOLAR T-SEN12 SW_POOL T-SEN10 T-SEN5 T-SEN1 T-SEN3 OVC_HEAT1 OVC_HEAT2 OVC_WT_HEAT T-SEN8 T-SEN11 T-SEN9 T-SEN7 T-SEN6...
  • Page 34 The dc output of assistant heat The dc input of assistant heat Connect to AP2 Connect the wired controller Control and feedback of the water pump for the main unit Feedback of the water pump for the main unit Control and feedback of the water pump for the solar system CN25 SW_SOLAR CN16...
  • Page 35 L1- 2 L2-1 L1-1 AC-L COMM L2-2 COMM1 Silk Screen Introduction AC-L Live line input of the drive board Neutral line input of the drive board L1-1 To PFC inductor brown line L1-2 To PFC inductor white line L2-1 To PFC inductor white line L2-2 To PFC inductor blue line To compressor phase V...
  • Page 36 Silk Screen Introduction COMM Connector to L1-1 OF PFC reactor 1 Connector to L2-1 OF PFC reactor 2 Connector to L3-1 OF PFC reactor 3 Connector to L3-2 of PFC reactor 3 Connector to L2-2 of PFC reactor 2 Connector to L1-2 of PFC reactor 1 Pin for electric discharge of the high-voltage bar during test.
  • Page 37 (5) Filter Board (AP3): RS-CQ8.0Pd/NaC-K, RS-CQ10Pd/NaC-K AC-N AC-L Silk Screen Introduction AC-N Neutral line of the power supply for the main unit AC-L Live line of the power supply for the main unit Reserved To the grounding line of the main unit Reserved...
  • Page 38 (6) Filter Board (AP3): RS-CQ12Pd/NaC-M, RS-CQ14Pd/NaC-M Silk Screen Introduction Connector to power supply output line AC-L1 Connector to power supply output line AC-L2 Connector to power supply output line AC-L3 Connector to power supply neutral line AC-N Connector to the grounding line E , reserved Connector to power supply neutral line N-F (mainboard AC-N) Connector to power supply output line L3-F (drive board L3-F) Connector to power supply output line L2-F (drive board L2-F)

  • Page 39: Electric Wiring

    16.2 Electric Wiring 16.2.1 Wiring principle Refer to Section 16.4. Electric wiring design The electric wiring diagram stuck to the unit always prevails. Wiring diagram: monobloc unit. RS-CQ8.0Pd/NaC-K, RS-CQ10Pd/NaC-K RS-CQ12Pd/NaC-M, RS-CQ14Pd/NaC-M...
  • Page 40 16.2.2 Terminal Board RS-CQ8.0Pd/NaC-K, RS-CQ10Pd/NaC-K RS-CQ12Pd/NaC-M, RS-CQ14Pd/NaC-M...

  • Page 41: Commissioning

    17. Commissioning 17.1 Check before startup For safety of users and unit, the unit must be started up for check before debugging. The procedures are as below: Pre-check Check the accessories attached with the unit for quantity, package and so on. Make sure there is drawings in terms of electricity, control, design of pipeline and so on.

  • Page 42: Test Run

    17.2 Test run solve problems until the test run is satisfactory. All inspections must meet the requirements before performing the test run. Test run should follow the content and steps of the table below: Start up the pretest procedure Notice: before test, ensure that all power must be cut off, including the far- end power switch, otherwise, it may cause casualty.

  • Page 43: Daily Operation And Maintenance

    18. Daily Operation and Maintenance In order to avoid damage of the unit, all protecting devices in the unit had been set before delivery, so please do not adjust or remove them. please electrify the unit in advance to preheat the unit for more than 8 hours. Never put sundries on the unit and accessories.

This manual is also suitable for:

Ml-rs-cq10pd/nac-kMl-rs-cq12pd/nac-kMl-rs-cq14pd/nac-k

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