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Summary of Contents for mundoclima MUENR-H
- Page 1 MINI CHILLER INVERTER H6 User's & Installation manual MUENR-H6 (5, 7 kW) CL25620 to CL25621 English www.mundoclima.com...
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Page 2: Table Of Contents
INDEX Hydraulic data General warnings Refrigerant circuit Fundamental safety rules Checking and starting up the unit Description of standard unit Activating and deactivating the unit Dimensioned drawings Installation Operating characteristics Hydraulic connections Shutting down for long periods Routine maintenance Electrical connections General technical data Extraordinary maintenance Disposal... -
Page 3: General Warnings
GENERAL WARNINGS These units have been designed to chill and/or heat The documentation supplied with the unit must be water and must be used in applications compatible consigned to the owner who should keep it carefully with their performance characteristics; these for future consultation in the event of maintenance of appliances are designed for residential or similar service. -
Page 4: Description Of Standard Unit
DESCRIPTION OF STANDARD UNIT These air cooled reverse-cycle chillers with axial-flow fans CONDENSING COILS operate with refrigerant fluid and are suitable for outdoor Made from copper tubes and high surface area aluminium installation. fins.Condensing coil protection grills as standard. They are factory tested and on site installation is limited to water and electrical connections. -
Page 5: Dimensioned Drawings
DIMENSIONED DRAWINGS INSTALLATION CHOICE OF INSTALLATION SITE To avoid the slings damaging the unit, place protection Before installing the unit, agree with the customer the site between the slings and the unit. Position the unit in the where it will be installed, taking the following points into site indicated by the customer. - Page 6 Installer connections Factory connections WATER INLET WATER OUTLET 1 Pressure gauge 11 Mesh filter 16 Additional pump 6 Thermometer 2 Vibration damper joint 12 Auto-water replenishing 7 Pump 3 Gate valve 13 Temperature sensor 8 Safety valve 4 Calibrating valve 14 Drain/chemical washing valve 9 Air vent 15 Plate heat exchanger...
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Page 7: Electrical Connections
EMPTYING THE INSTALLATION The installation must be filled to a pressure of -Before emptying,place the mains switch in the “off ” between 1 and 2 bars. position It is recommended that this operation be repeated -Make sure the installation fill/top-up water cock is closed after the unit has been operating for a number of -Open the drain cock outside the unit and all the installation hours.The pressure of the installation should be... - Page 8 ELECTRICAL PANEL The electrical panel is located inside the unit at the top of the technical compartment where the various components of the refrigerant circuit are also to be found. Toaccess the electrical panel,remove the front panel of the unit by undoing the screws. ELECTRICAL PANEL LAYOUT Main control board FC inductance...
- Page 9 Main control board 11 12 13 25.1 25.2 26.1 26.2 1.Power L 17.Electronic expansion valve 2.Power N 18.DC fan power supply port 3.Preliminary charging relay (rectifier bridge input port 1) 19.DC fanport 4.Iinput rectifier bridge line (rectifier bridge input port 2) 20.Remote control 5.5A fuse 21.Forced cooling switch...
- Page 10 Customer connec on terminal PUMP2 Remote alarm Remote shutdown Remote cooling/heating wire controller Electrical power connec ons NOTE: The outdoor units must be installed with an Residual Current Circuit-breaker near the power supply and must be effectively Residual Current Circuit-breaker earthed.
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Page 11: General Technical Data
Wire controller KJR-120F1/BMK-E (optional CL92340) 10 11 P P E Q The wire controller is optional. Please use 3-core shielded wire to connect the wire controller and the shielding layer must be grounded. When connecting wire controller, host unit control panel is mainly used for display which can carry out parameter inquiry such as inquiry and checking, and can’t be used to set mode and temperature. - Page 12 WIRING DIAGRAM MUENR-05/07-H6...
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Page 13: Cooling Performance
COOLING PERFORMANCE... - Page 14 HEATING PERFORMANCE...
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Page 15: Operation Limits
OPERATION LIMITS Air conditioner operating conditions For proper performance, run the air conditoner under the following temperature conditions Outdoor temperature: -5 ~ Cooling operation Water outlet temperature: 4 ~ Outdoor temperature: -15 ~ Heaing operation Water outlet temperature: 30 ~ If air conditioner is used beyond the above conditions, safely protection features may come into operation Note: When the outdoor temperature is too low, the unit in standby mode will activate frost protection, forced to run pumps or forced heating operation to protect the unit water system. -
Page 16: Hydraulic Data
Minimum water volume Fouling factors Evaporator °C/W) Model 5kW 7kW 4.4 x 10 Minimum water volume L 0.86 x 10 0.96 0.99 0.99 If the total water volume in the system is less than the 1.72 x10 0.93 0.98 0.98 value in the table above, the additional water tank is capacity correction factor necessary in order to avoid the compressor On and Off... -
Page 17: Checking And Starting Up The Unit
CHECKING AND STARTING UP THE UNIT PREPARING FOR FIRST START UP To complete the electrical connections: Restarting after shutting down for long periods - Remove the inspection panel by unscrewing the five The chiller must be started up for the first time by the screws Technical Service.Before starting up the chillers,make sure that:... - Page 18 Icon Description Outside heat source running icon (Reserved) Cooling mode icon This icon will be constantly light when customers choose cooling mode. Heating mode icon This icon will be constantly light when customers choose heating mode. Water pump mode icon This icon will be constantly light when customers choose water pump mode.
- Page 19 Icon Description 1.(Value increase) 2.Forward to the previous interface. Down 1.(Value decrease) 2.Backward to the next interface. “ ” to enter timing on setting. II.Control panel operation description At this moment, last 2 digits of the nixie tube display 1) ON/OFF “01”...
- Page 20 query Refers the timing off setting operation of group 1 to set 2.Parameter function that of group 2. To enter parameter query function Press “ ” and “ ” simultaneously for 3s to enter 3.Cancel all timing on/off settings into the interface of parameter query function.
- Page 21 4.Error code and protection code shooting table: EEPROM error PFC module error Communication error between the outdoor unit and the wire controller Communication error between the main controlling chip and IPDU T3,T4 sensor error Voltage protection error DC fan error 5-minute error for heating mode fan in area A Two times of E6 errors in 10 minutes(Recover when powering off) Tin sensor error...
- Page 22 based on the pressure reading from the pressure probe, WATER FLOW ALARM The microprocessor provides for management of a water thus enabling heat exchange to be increased and/or decreased,maintaining the condensing or evaporation flow alarm controlled by a water flow switch fitted temperature practically constant.
- Page 23 In the event of partial leaks,the circuit must be draining of the circuit,causing the unit to function poorly. In this completely emptied before being refilled. case, the leaks of refrigerant must be identified and repaired The R410a refrigerant must only be filled in the and the refrigerant circuit refilled.Proceed as follows liquid state.
- Page 24 TROUBLESHOOTING FAULT CAUSE REMEDY - Check presence of voltage The chiller does not No voltage - Check safety systems upstream start up tof he appliance Mains switch in OFF position Remote switch (if present) in OFF position Switch ON Control panel set to OFF Main unit switch in OFF position Compressor thermal solenoid switch OFF Check power line...
- Page 25 FAULT CAUSE REMEDY High discharge pressure High external water temperature Check High water inlet temperature (greater than 36 bars) Check fan operation Insufficient air flow Insufficient water flow Check pump operation Check Faulty fan regulation Air in water circuit Ventair Excessive refrigerant charge Check Low outside air temperature...
- Page 26 ASK FOR MORE INFORMATION Phone: (+34) 93 446 27 80 eMail: info@mundoclima.com TECHNICAL ASSISTANCE Phone: (+34) 93 652 53 57 www.mundoclima.com...
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