Kids star inverter series, indoor/outdoor units (55 pages)
Summary of Contents for Midea MKH1-150R3
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Midea AC Fan Coil Unit generation Two Pipe Ceiling&Floor Series Technical Service Manual Midea reserves the right to discontinue, or change specification or designs at any time without notices and without incurring obligations.
Midea AC Fan Coil Unit Generation Two Pipe Ceiling & Floor AC Fan Coil Unit Features ............................2 External Appearance ........................2 Products Lineup..........................2 Nomenclature ..........................3 Specifications ..........................4 Dimensions ..........................13 Sound Levels ..........................14 Service Spaces...........................28 Wiring Diagrams .........................29 Installation ..........................30 10.1 Transport and handling ....................30 10.2 Storage conditions ......................
Midea AC Fan Coil Unit 1. Features Flexible for installation, designed for horizontal/vertical, concealed/cabinet application Ceiling Installation Floor Installation Concealed Installation Meet CE certification requirements The unit can meet the latest CE certification requirements for using AC fan motor. 2. External Appearance...
Midea AC Fan Coil Unit 4. Nomenclature M K H2 – V 150 R3 Number of tube rows in the heat exchanger 3:3- row 4:4-row Nominal air volume (CFM) Power type V: DC Non:AC Type code H1: Cased type (air return from side)
Midea AC Fan Coil Unit 9. Wiring Diagrams Model:MKH1-150/(250)/(350)/(500)/(700)/(800)R3/(R4) MKH2-150/(250)/(350)/(500)/(700)/(800)R3/(R4) MKH3-150/(250)/(350)/(500)/(700)/(800)R3/(R4)
Midea AC Fan Coil Unit 10. Installation 10.1 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.
Midea AC Fan Coil Unit ≥150 a (mm) ≥90 b (mm) ≥50 c (mm) Uncased type ≥150 a (mm) ≥90 b (mm) ≥50 c (mm) 10.4 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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Midea AC Fan Coil Unit Casing assembly Figure 10.4.1 Mark the places for screws on the wall according to the unit mounting holes or dimensions specified in Figure 10.4.2. The drain pipe for condensate water must be smooth enough to allow unobstructed water discharge.
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Midea AC Fan Coil Unit Base Base Footing Figure 10.4.3 The footings shown in Figure 10.4.3 are optional. You can purchase them separately and install them as follows: 1. Put the footings beside the unit to be installed. 2. Place the mounting holes on the unit base into the corresponding footing locating pin and install screws ①...
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Midea AC Fan Coil Unit Figure 10.4.4 Diagram of ceiling exposed Figure 10.4.5 Diagram of ceiling concealed Liquid pipe connections Connect the unit to the water system using inlet and outlet connectors. Drainage Water outlet Water inlet Figure 10.4.6 All water system coils are equipped with discharge and drain valves.
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Midea AC Fan Coil Unit Wrap the connecting pipes and all the valve body with anti-condensation material (EPDM or PE) of no less ② than 10 mm thick, or install auxiliary drainage equipment. Pour water into the drain pan and check it all the way until you can see water flows from the drain outlet.
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Midea AC Fan Coil Unit auxiliary drain pan Figure 10.4.9 The customer may also need to purchase the auxiliary drain pan (Figure 10.4.9) separately from the manufacturer if required. See the steps below for installation of auxiliary drain pan: Electrical connections Caution: ...
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Midea AC Fan Coil Unit Select circuit breaker that having a contact separation in all poles not less than 3 mm providing full disconnection, where MFA is used to select the current circuit breakers and residual current operation breakers Table 10.4.1...
Midea AC Fan Coil Unit The unit falls correctly towards the drainage outlet and the trap; The heat-exchangers are clean; The electrical connections are correct; The screws holding the cables are well tightened; The supply voltage is as required;...
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Midea AC Fan Coil Unit c) As shown in Figure 10.5.2, remove screws ①*2 to take the filter out. Then, remove the upper volute. After that, remove four screws (②) that fix the motor, to disconnect the motor cable and the main board. Then, take out the fan and the motor.
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Midea AC Fan Coil Unit the heat exchanger out. h) Pull out the temperature sensor plug. Install back the heat exchanger in reverse order Figure 10.5.3 Removal of casing Electric control Figure 10.5.4 Removing the electric control box Heat exchanger...
Midea AC Fan Coil Unit If the unit or its parts need(s) to be removed, make sure that: Only a professional person can disassemble the unit. The system with antifreeze must not be discarded; otherwise, it will cause pollution. It should be collected and then be disposed off properly.
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Midea AC Fan Coil Unit Non-Unit Related Faults: The following fault symptoms are not caused by the unit itself: 1) Fault symptom: Fan speed is not consistent with the setting. The fan doesn’t respond to the controller. In cooling mode, when the pipe water temperature is outside the allowable range of room temperature, the fan speed will be maintained at a low level to avoid direct exposure to hot air.
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