Midea MUE-18HRFN1-QRD0 Installation Manual

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Installation Manual

Ceiling & Floor Mounted

R410a Models

Indoor Unit Model

MUE-18HRFN1-QRD0

MUE-24HRFN1-QRD0

MUE-30HRFN1-QRD0

MUE-36HRFN1-QRD0

MUE-48HRFN1-QRD0

MUE-55HRFN1-QRD0

R32 Models

Indoor Unit Model

MUE-18HRFNX-QRD0

MUE-24HRFNX-QRD0

MUE-30HRFNX-QRD0

MUE-36HRFNX-QRD0

MUE-48HRFNX-QRD0

MUE-55HRFNX-QRD0

Outdoor Unit Model

MOB30U-18HFN1-QRD0

MOCA30U-24HFN1-QRD0

MOD30U-30HFN1-QRD0

MOD30U-36HFN1-QRD0

MOE30U-48HFN1-QRD0

MOE30U-55HFN1-QRD0

Outdoor Unit Model

MOB30U-18HFN8-QRD0

MOCA30U-24HFN8-QRD0

MOD30U-30HFN8-QRD0

MOD30U-36HFN8-QRD0

MOE30U-48HFN8-RRD0

MOE30U-55HFN8-RRD0

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Summary of Contents for Midea MUE-18HRFN1-QRD0

Page 1 Installation Manual Ceiling & Floor Mounted R410a Models Indoor Unit Model Outdoor Unit Model MUE-18HRFN1-QRD0 MOB30U-18HFN1-QRD0 MUE-24HRFN1-QRD0 MOCA30U-24HFN1-QRD0 MUE-30HRFN1-QRD0 MOD30U-30HFN1-QRD0 MUE-36HRFN1-QRD0 MOD30U-36HFN1-QRD0 MUE-48HRFN1-QRD0 MOE30U-48HFN1-QRD0 MUE-55HRFN1-QRD0 MOE30U-55HFN1-QRD0 R32 Models Indoor Unit Model Outdoor Unit Model MUE-18HRFNX-QRD0 MOB30U-18HFN8-QRD0 MUE-24HRFNX-QRD0 MOCA30U-24HFN8-QRD0 MUE-30HRFNX-QRD0 MOD30U-30HFN8-QRD0...
Page 2 Table of Contents Installation Manual Accessories ..........Safety Precautions ......Installation Overview ....... Indoor Unit Installation ......a. Indoor Unit Parts ..........07 b. Indoor Unit Installation Instructions ..08 Outdoor Unit Installation ......a. Outdoor Unit Installation Instructions ....12 b. Outdoor Unit Types and Speciﬁcations ..13 c.
Page 3 Refrigerant Piping Connection ....a . Notes on Pipe Length and Elevation ....b . Refrigerant Piping Connection Instructions ..19 Caution: Risk of fire (for R32 refrigerant ony ) 8 Wiring ..........a . Outdoor Unit Wiring ......20 b .
Page 4 Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and ﬁre, or cause the equipment to fail. Name Shape Quantity...
Page 5 Safety Precautions Read Safety Precautions Before Installation Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of potential damage or injuries is classiﬁed as either a WARNING or CAUTION. Failure to observe a warning may result in death. The appliance must be installed in accordance with national regulations.
Page 6 Installation Overview INSTALLATION ORDER Drain point Install the indoor unit Install the outdoor unit Install the drainpipe (Page 12) (Page 15) (Page 7) Pressure Test & Evacuate Connect the refrigerant pipes Connect the wires (Page 2 5) (Page 20) (Page 17) Perform a test run Service Documents (Page 29)
Page 7 Indoor Unit Installation Indoor Unit Parts Drain Pipe Display Panel Louver Refrigerant Pipe Air Outlet Air Inlet Fig. 4.1 Safety Precautions CAUTION WARNING • Install the indoor and outdoor units, cables and • Securely install the indoor unit on a structure that wires at least 1m from televisions or radios can sustain its weight.
Page 8 Indoor Unit Installation Instructions  Page 8 ...
Page 9 Indoor Unit Installation Instructions CAUTION The indoor unit should be installed in a location that meets the following requirements: DO NOT install the unit in the following locations:  There is enough room for installation and maintenance. In areas with oil drilling or fracking ...
Page 10 Service Space CAUTION WARNING • Install the indoor and outdoor units, cables and • Securely install the indoor unit on a structure that wires at least 1m from televisions or radios can sustain its weight. If the structure is too weak to prevent static or image distortion.
Page 11   Page...
Page 12 Outdoor Unit Installation Outdoor Unit Installation Instructions Step 1: Select installation location.  If the location is exposed to strong winds (for example: near a seaside), the unit must be placed The outdoor unit should be installed in the location that against the wall to shelter it from the wind.
Page 13 Fig. 5.4 Fig. 5.6 Fig. 5. More than 60cm Fig. 5.5 Table 5.1: Length Specifications of Split Type Outdoor Unit (unit: mm) Model Number Outdoor Unit Dimensions Mounting Dimensions WxDxH Distance A Distance B 800x333x554 845x363x702 30/36 946x410x810 48/55 952x415x1333 NOTE Since the units cent er of gravity is not at its physical center take care when lifting it with sling s .
Page 14 NOTE: The minimum distance between the outdoor Notes On Drilling Hole In Wall unit and walls described in the installation guide does not apply to airtight rooms. Be sure to keep the unit You must drill a hole in the wall for the refrigerant piping, unobstructed in at least two of the three directions (M, and the signal cable that will connect the indoor and N, P) (See Fig.
Page 15 Drainpipe Installation The drainpipe is used to drain water from the unit. NOTE ON DRAINPIPE INSTALLATION Improper installation may cause unit and property damage. • When using an extended drainpipe, tighten the indoor connection with an additional protection tube to prevent it from pulling loose. CAUTION •...
Page 16 3. Using a 65-mm core drill, drill a hole in the wall. Make NOTE: When drilling the wall hole, make sure to avoid sure that the hole is drilled at a slight downward angle, wires, plumbing, and other sensitive components. so that the outdoor end of the hole is lower than the indoor end by about 12mm .
Page 17 Refrigerant Piping Connection Table 7.1: The Maximum Length And Drop Height Safety Precautions Based on Models. (Unit: meters) Model Length of Maximum drop WARNING height piping • All field piping must be completed by a licensed technician and must comply with the local and national regulations.
Page 18 Table 7.2 Step 2: Remove burrs. Permitted length Burrs can affect the gas-tight seal of refrigerant Total piping length 18K+18K L+Max piping connection. They must be completely (L1, L2) 24K+24K removed. 6 5m 30K+30K Hold the pipe at a downward angle to prevent (farthest distance L1, L2 Piping...
Page 19 Table 7.3: PIPING EXTENSION BEYOND FLARE FORM Step 4: Connect pipes Pipe Tightening Flare dimension (A) Flare shape Connect the copper pipes to the indoor unit ﬁrst, then torque (Unit: mm) gauge connect it to the outdoor unit. You should ﬁrst connect the Min.
Page 20 Wiring NOTE: The fuse is made of ceramic. Safety Precautions TAKE NOTE OF FUSE SPECIFICATIONS WARNING The air conditioner’s circuit board(PCB) is designed with a fuse to provide overcurrent • Be sure to disconnect the power supply before protection. The speci cations of the fuse are working on the unit.
Page 21 b. Using wire strippers, strip the rubber jacket from 2. Open the front panel of the indoor unit. Using a both ends of signal cable to reveal about 15cm screwdriver, remove the cover of the electric control box of the wires inside. on your indoor unit.
Page 22 Power Specifications Indoor Power Supply Specifications MODEL PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase POWER FREQUENCY 220 - 240V 220 - 240V 220 - 240V 220 - 240V 220 - 240V AND VOLT CIRCUIT BREAKER/ FUSE(A) Outdoor 1 Phase Inverter Power Supply Specifications MODEL PHASE...
Page 23 Wiring Diagrams Fig. 8.6  Page 23 ...
Page 24 MUE-18HRFN1-QRD0, MUE-24HRFN1-QRD0, MUE-30HRFN1-QRD0, MUE-36HRFN1-QRD0 MUE-42HRFN1-QRD0, MUE-48HRFN1-QRD0, MUE-55HRFN1-QRD0   Page 24...
Page 25 Pressure Test Instructions Systems are pressure tested to ensure they are: Safe – for this test a pressure above the system’s maximum allowable pressure (PS i ) is used Leak tight – this test is at PS i . Pressure testing is hazardous and should be carried out carefully: The nitrogen used for pressure testing is an asphyxiant, so the area around the system should be well-ventilated High pressures are used, so all non-essential personal should be evacuated...
Page 26 Air Evacuation 4. Turn on the vacuum pump to evacuate the system. Safety Precautions 5. Run the vacuum for at least 15 minutes, or until the Gauge reads -76cmHG (-1x105Pa). 6. Close the Low Pressure side of the manifold gauge, and CAUTION turn off the vacuum pump.
Page 27 Note On Adding Refrigerant CAUTION • Refrigerant charging must be performed after wiring, vacuuming and the leak test. • DO NOT exceed the maximum allowable quantity of refrigerant or overcharge the system. Doing so can damage or impact the unit’ s function. •...
Page 28 Dip Switches Dip Switches Definition Master-Slave Fan motor power request Auto Restart after power Fault S1, S2 Unit Addresses Temperature compensation Controller INSTALLATION METHOD Insert of the mainboard CN40 8. Turbo/Auxiliary Heat function indicator 1. Operation mode indicator black black 9.
Page 29 Test Run Check to see that the drainage system is Before Test Run unimpeded and draining smoothly. g. Ensure there is no vibration or abnormal noise A test run must be performed after the entire system has during operation. been completely installed. Conﬁrm the following points 5.
Page 30 Servicing Info (Required for the units adopt R32 Refrigerant only) 1. Checks to the area Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimised. For repair to the refrigerating system, the following precautions shall be complied with prior to conducting work on the system.
Page 31 the charge size is in accordance with the room size within which the refrigerant containing  parts are installed; the ventilation machinery and outlets are operating adequately and are not obstructed;   if an indirect refrigerating circuit is being used, the secondary circuits shall be checked for the presence of refrigerant;...
Page 32 11. Repair to intrinsically safe components Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will not exceed the permissible voltage and current permitted for the equipment in use. Intrinscially safe components are the only types that can be worked on while live in the presence of a flammable atmosphere.
Page 33 When the final OFN charge is used, the system shall be vented down to atmospheric pressure to enable work to take place. This operation is absolutely vital if brazing operations on the pipe-work are to take place. Ensure that the outlet for the vacuum pump is not closed to any ignition sources and there is ventilation available.
Page 34 18. Labelling Equipment shall be labelled stating that it has been de-commissioned and emptied of refrigerant. The label shall be dated and signed. Ensure that there are labels on the equipment stating the equipment contains flammable refrigerant. 19. Recovery When removing refrigerant from a system, either for service or decommissioning, it is recommended good practice that all refrigerants are removed safely.
Page 35 (Auto Restart) Note: Installation videos can also be found on the Midea UK YouTube channel. Please contact your Midea support team if you have any issues during the installation and commissioning process. Tel: 02074 092009 E-Mail: technical@fgeuropeuk.co.uk Outdoor Dimensions...
Page 36 Display Board & Fault Codes Icon explanation of indoor display board Error Codes (18K-60K) Operation Lamp Malfunction Error Code Timer Lamp (flashes) Indoor EEPROM malfunction Communication malfunction between indoor and outdoor units Indoor fan speed is out of control Open or short circuit of T1 temperature sensor Open or short circuit of T2 temperature sensor Refrigerant leakage detection Water level alarm...
Page 37 Service Documents Mi Indoor Maintenance Checklist 17 Old Park Lane, London, W1K 1QT Tel: + 44 (0) 2074 092009 Customer Contact Information Company Name: Contact Name: Contact Number: E-Mail Address: Site Reference Date of Visit: Indoor Details Location Served Model No. Serial No.
Page 38 Mi Outdoor Maintenance Checklist 17 Old Park Lane, London, W1K 1QT Tel: + 44 (0) 2074 092009 Customer Contact Information Company Name: Contact Name: Contact Number: E-Mail Address: Site Reference Date of Visit: Outdoor Details Location Served Model No. Serial No. 3 ☐...
Page 39 Mi Commissioning & Installation Checklist 17 Old Park Lane, London, W1K 1QT Tel: + 44 (0) 2074 092009 Customer Contact Information Company Name: Contact Name: Contact Number: E-Mail Address: Site Reference Date of Visit: Site Address County/Region: Postcode: System Details Indoor Model No.
Page 40 WARRANTY CLAIM REQUEST FORM 17 Old Park Lane, London, W1K 1QT Tel: + 44 (0) 2074 092009 Once this from is completed please return to: warranty@fgeuropeuk.co.uk Customer Contact Information Company Name: Contact Name: Contact Number: E-Mail Address: Site Reference: Date: Parts to Be Claimed Model No.
Page 41 17 Old Park Lane, London, W1K 1QT Tel: + 44 (0) 2074 092009...

Midea MUE-18HRFN1-QRD0 Installation Manual

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