Mitsubishi Electric MFZ-KW25VG Installation Manual Download Page 1 | Manualshive

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FLOOR TYPE AIR CONDITIONERS

REFRIGERANT

R32

English

INSTALLATION MANUAL

For INSTALLER

MFZ-KW25VG MFZ-KW35VG MFZ-KW42VG MFZ-KW50VG MFZ-KW60VG

RH79A056H01_4th.indd 1

2020/08/19 12:50:18

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Summary of Contents for MFZ-KW25VG

Page 1: ...FLOOR TYPE AIR CONDITIONERS REFRIGERANT R32 English INSTALLATION MANUAL For INSTALLER MFZ KW25VG MFZ KW35VG MFZ KW42VG MFZ KW50VG MFZ KW60VG RH79A056H01_4th indd 1 2020 08 19 12 50 18 ...

Page 2: ...nstalling relocating or servicing the unit make sure that no substance other than the specified refrigerant R32 enters the refrigerant circuit Any presence of foreign substance such as air can cause abnormal pressure rise and may result in explo sion or injury The use of any refrigerant other than that specified for the system will cause mechanical failure system malfunction or unit breakdown In t...

Page 3: ...asy to operate and easily visible Where children cannot touch it Select a position about 1 2 m above the floor and check that signals from the remote controller are surely received by the indoor unit from that position beep or beep beep receiving tone sounds After that attach remote controller holder to a pillar or wall and install wireless remote controller Note In rooms where inverter type fluor...

Page 4: ...foam plastic 0 045 specific gravity 9 Be sure to use the insulation of specified thickness Excessive thickness may cause incorrect installation of the indoor unit and insufficient thickness may cause dew drippage KW25 35 42 KW50 60 Pipe length and height difference Max pipe length 20 30 m Max height difference 12 15 m Max number of bends 5 6 10 Refrigerant adjustment A 7 20 g m Insulation thicknes...

Page 5: ...t and sides of unit are clear 2 When any 2 sides of left right and rear of unit are clear 3 The manufacturing year and month is indicated on the spec name plate clear 1 KW25 35 42 KW50 60 Appearance of the out door unit may differ from some models Air inlet Air outlet 2 10 mm 21 mm slot 800 840 mm 150 175 mm 500 mm 344 5 390 mm 285 330 mm 304 325 349 371 mm 40 mm Air inlet 350 mm or more Indoor un...

Page 6: ...lowing figure is a view of the bottom of the indoor unit from above FOR REAR OR LEFT REAR PIPING The following figure is a front view of the indoor unit installation location FOR LEFT PIPING FOR RIGHT PIPING HOLE POSITIONS ø65 mm KW25 35 42 ø75 ø80 mm KW50 60 5 7 mm 2 3 INDOOR UNIT PREPARATION Remove the front panel of the indoor unit 1 Push down the tab on the both sides of the unit to open the f...

Page 7: ...wire or cram it into small space Take caution not to damage the wires Be sure to attach each screw to its correspondent terminal when securing the cord and or the wire to the terminal block 2 5 CONNECTING WIRES FOR INDOOR UNIT 1 Remove VA clamp 2 Pass indoor outdoor unit connecting wire A from the back of the indoor unit and process the end of the wire 3 Loosen terminal screw and connect first the...

Page 8: ...d point downward for easy drain flow Fig 1 If the drain hose provided with the indoor unit is too short connect it with drain hose J that should be provided at your site Fig 2 When connecting the drain hose to the hard vinyl chloride pipe be sure to insert it securely into the pipe Fig 3 Wrap the felt tape 11 tightly around the pipes and hose starting near where the pipes and hose are routed from ...

Page 9: ...necting cable should be stored and placed where customers cannot touch it Rear horizontal vane 2 9 HOW TO ATTACH THE LABEL AND THE EXPLANATION The breaker must be always ON except when performing maintenance or inspection Hang the accompanying label 14 or 15 on the breaker and explain it to customers When turning the breaker OFF the power is not supplied to the refrigerant sensor mounted in the in...

Page 10: ...damages the flare section Copper pipe Good Tilted Uneven Burred No good Fig 1 Fig 2 Burr Copper pipe Spare reamer Pipe cutter Clutch type Flaring tool Fig 4 Fig 3 Smooth all around Even length all around Inside is shining without any scratches Flare nut Die Fig 5 Fig 6 Copper pipe Wing nut type WARNING When installing the unit securely connect the refrigerant pipes be fore starting the compressor ...

Page 11: ... the indoor outdoor unit connecting wire A for mis wiring After the test run emergency mode set temperature 24ºC will start 2 To stop operation press the E O SW several times until all LED lamps turn off Refer to operating instructions for details Checking the remote infrared signal reception Press the ON OFF button on the remote controller 12 and check that an electronic sound is heard from the i...

Page 12: ...E TOKYO BUILDING 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN This product is designed and intended for use in the residential commercial and light industrial environment RH79A056H01_cover_1st indd 1 2020 08 19 12 51 21 ...

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