INVENTOR U4MRS-24 Installation Manual Download

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Refrigerant Piping Connection

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A. Notes on Pipe Length and Elevation

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B. Refrigerant Piping Connection Instructions

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Wiring

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a. Outdoor Unit Wiring

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b. Indoor Unit Wiring

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c. Power Specifications

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Air Evacuation

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a. Evacuation Instructions

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b. Note on Adding Refrigerant

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Test Run

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(R32/R290 refrigerant )

C au t i o n:

Risk of fire

European Disposal Guidelines

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Information servicing

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Summary of Contents for U4MRS-24

Page 1: ...INSTALLATION MANUAL ENGLISH FLOOR CEILING TYPE MODELS V4MKI 24UR U4MRS 24 V4MKI 36UR U4MRS 36...

Page 2: ...door Unit Installation 11 a Outdoor Unit Installation Instructions 14 b Outdoor Unit Types and Specifications 15 c Notes on Drilling Hole in Wall 16 Drainpipe Installation 17 Table of Contents Install...

Page 3: ...ructions 20 Wiring 22 a Outdoor Unit Wiring 22 b Indoor Unit Wiring 23 c Power Specifications 24 Air Evacuation 26 a Evacuation Instructions 26 b Note on Adding Refrigerant 27 Test Run 28 29 MC MC 7 8...

Page 4: ...let pipe sheath some models 1 Outlet pipe clasp some models 1 Drain joint some models 1 Seal ring some models 1 EMC Magnetic Ring some models Remote controller Its Frame some models Magnetic ring wrap...

Page 5: ...not be made by children without supervision Do not use means to accelerate the defrosting process or to clean other than those recommended by the manufacturer Only trained and certified technicians sh...

Page 6: ...ervicing shall only be performed as recommended by the equipment manufacturer Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of t...

Page 7: ...nit is checked for leaks proper record keeping of all checks is strongly recommended CAUTION CAUTION CAUTION This symbol shows that a service personnel should be handling this equipment with reference...

Page 8: ...2 3 4 5 MC MC 6 7 Install the indoor unit Page 9 INSTALLATION ORDER Install the outdoor unit Page 14 Install the drainpipe Page 17 Evacuate the refrigeration system Page 26 Connect the wires Page 22...

Page 9: ...e unit may fall and cause personal injury unit and property damage or death DO NOT install the indoor unit in a bathroom or laundry room as excessive moisture can short the unit and corrode the wiring...

Page 10: ...can fill the entire room There is no direct radiation from heaters CAUTION DO NOT install the unit in the following Areas with oil drilling or fracking Coastal areas with high salt content in the air...

Page 11: ...ble 4 1 Indoor parts installation size MODEL Btu h Length of A mm inch Length of B mm inch 18K 24K 1068 42 675 26 6 30K 48K 1285 50 6 675 26 6 36K 48K 1650 65 675 26 6 60K 1650 65 675 26 6 Length of C...

Page 12: ...ing after installing the main body When choosing where to start the determine the direction of the pipes to be drawn out In cases where there is a ceiling position the refrigerant pipes drain pipes an...

Page 13: ...inimum drain tilt is 1 100 or more 10 Mount the indoor unit onto the hanging screw bolts with a block Position the indoor unit on a flat level by using a level to prevent leaks See Fig 4 11 Wall Mount...

Page 14: ...length between the outdoor and indoor unit may not exceed the maximum allowable pipe length If possible DO NOT install the unit where it is exposed to direct sunlight If possible make sure the unit i...

Page 15: ...to Fig 5 7 5 8 5 9 and Table 5 2 Fig 5 7 Fig 5 8 Fig 5 9 Fig 5 6 Fig 5 5 A B D W H W H Fig 5 4 Outdoor Unit Dimensions W x H x D Mounting Dimensions Distance A Distance B 760x590x285 29 9x23 2x11 2 5...

Page 16: ...mponents 3 Place the protective wall cuff in the hole This protects the edges of the hole and will help seal it when you finish the installation process Fig 5 11 L H 300 cm 118 or more A 60 cm 23 6 or...

Page 17: ...el switch In HEAT mode the outdoor unit will discharge water Ensure that the drain hose is placed in an appropriate area to avoid water damage and slippage due to frozen drain water DO NOT pull the dr...

Page 18: ...inish the installation process Wall Indoor Outdoor 12mm 0 5 inch Fig 6 4 NOTE When drilling the hole in the wall make sure to avoid wires plumbing and other sensitive components 4 Pass the drain hose...

Page 19: ...after completing the installation work Notes On Pipe Length and Elevation Ensure that the length of the refrigerant pipe the number of bends and the drop height between the indoor and outdoor units me...

Page 20: ...ipe while cutting Be extra careful not to damage dent or deform the pipe while cutting This will drastically reduce the heating efficiency of the unit 1 Make sure that the pipe is cut at a perfect 90...

Page 21: ...the piping Direct contact with the bare piping may result in burns or frostbite Make sure the pipe is properly connected Over tightening may damage the bell mouth and under tightening may lead to lea...

Page 22: ...Ensure that main supply connection is made through a switch that disconnects all poles with contact gap of a least 3mm 0 118 DO NOT modify the length of the power cord or use an extension cord CAUTIO...

Page 23: ...he electric control box Indoor Unit Wiring 1 Prepare the cable for connection a Using wire strippers strip the rubber jacket from both ends of a signal cable to reveal about 15cm 5 9 of the wires insi...

Page 24: ...19K 24K 25K 36K 37K 48K 49K 60K POWER PHASE 1 Phase 1 Phase 1 Phase 1 Phase 1 Phase FREQUENCY AND VOLT 208 240V 208 240V 208 240V 208 240V 208 240V CIRCUIT BREAKER FUSE A 25 20 32 25 50 40 70 55 70 60...

Page 25: ...20V 208 240V 208 240V CIRCUIT BREAKER FUSE A 25 20 32 25 32 25 45 35 MODEL Btu h 36K 37K 60K 36K 37K 60K POWER indoor PHASE 1 Phase 1 Phase 1 Phase 1 Phase FREQUENCY AND VOLT 220 240V 220 240V 220 240...

Page 26: ...ow Pressure side of the manifold gauge Keep the High Pressure side closed 4 Turn on the vacuum pump to evacuate the system 5 Run the vacuum for at least 15 minutes or until the Compound Meter reads 76...

Page 27: ...as the standard pipe length is 5m 16 The additional refrigerant to be charged can be calculated using the following formula Liquid Side Diameter R32 Total pipe length standard pipe length x 12g 0 13oZ...

Page 28: ...ed correctly d Ensure the indicators on the remote control and the display panel on the indoor unit work properly e Ensure the manual buttons on the indoor unit works properly f Check to see that the...

Page 29: ...is appliance you have the following options Dispose of the appliance at designated municipal electronic waste collection facility When buying a new appliance the retailer will take back the old applia...

Page 30: ...ossible ignition sources including cigarette smoking should be kept sufficiently far away from the site of installation repairing removing and disposal during which flammable refrigerant can possibly...

Page 31: ...ties are advised Initial safety checks shall include that capacitors are discharged this shall be done in a safe manner to avoid possibility of sparking that there no live electrical components and wi...

Page 32: ...shall be achieved by breaking the vacuum in the system with OFN and continuing to fill until the working pressure is achieved then venting to atmosphere and finally pulling down to a vacuum This proc...

Page 33: ...ake sure that cylinder is situated on the scales before recovery takes place g Start the recovery machine and operate in accordance with manufacturer s instructions 16 Charging procedures In addition...

Page 34: ...r Hoses shall be complete with leak free disconnect couplings and in good condition Before using the recovery machine check that it is in satisfactory working order has been properly maintained and th...

Page 35: ...tions 4 Storage of equipment appliances The storage of equipment should be in accordance with the manufacturer s instructions 5 Storage of packed unsold equipment Storage package protection should be...

Page 36: ...FLOOR CEILING TYPE...

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INVENTOR U4MRS-24, Installation Manual

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