Universal Fancoil DC MUC-W9 series Content Features ............................2 External Appearance ........................2 Standard with a variety of control functions .................2 Standard PCB compatible with more functions ................2 Products Lineup..........................3 Nomenclature ..........................3 Specifications ..........................4 Dimensions ..........................13 Sound Levels ..........................15 10. Service Spaces...........................52 11.
Universal Fancoil DC MUC-W9 series 1. Features Flexible for installation, designed for horizontal/vertical, concealed/cabinet application Ceiling Installation Floor Installation Concealed Installation High efficiency and low operating sound level Due to the DC fan motor, the unit operates in lower power consumption and lower operating sound level.
Universal Fancoil DC MUC-W9 series Hysteresis temperature setting Hysteresis temperature can be set in heating and cooling mode by PCB switch, field adjustable. 0-10V wired control Voltage output of controller Fan speed 1 voltage 3 3 voltage 4 4 voltage 5...
Universal Fancoil DC MUC-W9 series 11. Wiring Diagrams For all the model Main control board port description: Description Remarks VALVE-N: Cooling/Heating 2-way valve/3-way valve null line Standard VALVE-C: Cooling 2-way/3-way valve live line VALVE-N: Cooling/Heating 2-way valve/3-way valve null line...
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Universal Fancoil DC MUC-W9 series WATER: Water level switch port Customized DISPLAY: Display board port Reserved DC_FAN: DC fan Standard DEBUG: Main control program burn port Standard Grounding screw position Standard N: Null line output port for AC fan H: High fan speed output port for AC fan...
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Universal Fancoil DC MUC-W9 series For all the model Wire controller DC FAN CN24 CN20 Wire controller KJR-75A/BK-E (LC04630) CN21 FOR SETTING NET ADDRESS The terminales that are between dashed lines is optionals its use Figure 5-20 Wiring diagram MUC-05-W9...
Universal Fancoil DC MUC-W9 series 12. Installation 12.1 Transport and handling Caution: Do not open or tamper with the packaging before installation. The units should only be moved and lifted by specialized personnel trained in these operations. Check on arrival that the unit has not been damaged during transport and that it is complete with all its parts.
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Universal Fancoil DC MUC-W9 series 12.2 Storage conditions Units in packaging may be stacked not more than four-layer, and must be kept under cover. 12.3 Units installation Caution: Installation must only be carried out by qualified technicians, trained to work with air-conditioning and refrigeration systems.
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Universal Fancoil DC MUC-W9 series Figure 12.4.2 The footings shown in Figure 12.4.3 are optional. You can purchase them separately and install them as follows: 1. Put the footings beside the unit to be installed. ① 2. Place the mounting holes on the unit base into the corresponding footing locating pin and install screws ②...
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Universal Fancoil DC MUC-W9 series Original concrete slab structure Wooden structure Secure the square rod on the beam to set the lifting bolts. Use embedded bolts, and pull bolts. Square bar material Beam Ceiling Lifting bolt Newly set concrete slab structure...
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Universal Fancoil DC MUC-W9 series Drainage Water outlet Water inlet Figure 12.4.6 All water system coils are equipped with discharge and drain valves. Use a screwdriver or wrench to open and close the valve. When installation is complete, ① Remove air inside pipes.
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Universal Fancoil DC MUC-W9 series Set water storage elbow The condensate drain system must be fitted with a suitable elbow to prevent odour penetration. Follow the steps below to set the elbow. Note: Place a drain stopper at the bottom of the elbow.
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Universal Fancoil DC MUC-W9 series Provide dedicated and suitable leakage protection device for the unit, with a minimum distance of 3 mm among the wiring contacts. The unit must be grounded reliably. Make sure that the power cord has a large-enough cross section to withstand the maximum current required.
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Universal Fancoil DC MUC-W9 series 1.5mm2, type H05RN-F. Pass the power supply cable through the slot beside the air filter. Use the cable clamp provided on the inner side of the panel to secure the power supply cable and the connecting cables, and strip only the length of cable needed to go into the connector block.
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Universal Fancoil DC MUC-W9 series Wash and brush gently with water; Dry with a jet of compressed air; Check that there are no obstacles in the condensation drain tube which could prevent the normal flow of water. Release the air in the water system.
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Universal Fancoil DC MUC-W9 series Filter Upper propeller housing Motor Figure 12.5.2 Removal of filter, upper volute and motor screws Heat exchanger to replace, follow the steps below: a) Unplug the unit. b) Shut off the water supply. c) As shown in Figure 12.5.3, remove screws *2 and *2 and then the casing.
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Universal Fancoil DC MUC-W9 series Electric control Figure 12.5.4 Removing the electric control box Heat exchanger Temperature Drain pan sensor plug Figure 12.5.5 Removal of drain pan and heat exchanger If the unit or its parts need(s) to be removed, make sure that: Only a professional person can disassemble the unit.
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Universal Fancoil DC MUC-W9 series Error Measures Check whether there is a power failure. Wait for the power supply If the system does not run at all. to be restored. If a power failure occurs when the unit is still running, the system will restart automatically once the power is restored.
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Universal Fancoil DC MUC-W9 series Model protection not set (model DIP switch not Flashes 2 times Buzzes 2 times every Protection Blinking listed in the model every 3 seconds 3 seconds table) Water temperature Flashes 3 times Buzzes 2 times every...
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