Mitsubishi Electric MCFH-A24WV Installation Manual Download Page 1 | Manualshive

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INSTALLATION MANUAL

FOR INSTALLER

Floor and Ceiling Type Air-Conditioner

MCFH-A24WV

[FLARE CONNECTION TYPE]

HFC

utilized

R410A

CONTENTS

1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR

SAFETY ........................................................................................... 2

2. SELECTING THE INSTALLATION LOCATION ............................... 2

3. INSTALLATION DIAGRAM & ACCESSORIES ................................ 3

4. INDOOR UNIT INSTALLATION ....................................................... 4

5. OUTDOOR UNIT INSTALLATION ................................................... 9

6. INDOOR/OUTDOOR UNIT CONNECTION FINISHING AND

TEST RUN ..................................................................................... 10

7. FOR MOVEMENT AND MAINTENANCE ...................................... 13

English

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Summary of Contents for MCFH-A24WV

Page 1: ...SHOULD ALWAYS BE OBSERVED FOR SAFETY 2 2 SELECTING THE INSTALLATION LOCATION 2 3 INSTALLATION DIAGRAM ACCESSORIES 3 4 INDOOR UNIT INSTALLATION 4 5 OUTDOOR UNIT INSTALLATION 9 6 INDOOR OUTDOOR UNIT CONNECTION FINISHING AND TEST RUN 10 7 FOR MOVEMENT AND MAINTENANCE 13 English ...

Page 2: ... 3 In rooms where inverter type fluorescent lamps are used the signal from the wireless remote controller may not be received 2 3 OUTDOOR UNIT Where it is not exposed to strong wind Where airflow is good and dustless Where it is not exposed to rain and direct sunshine Where neighbours are not annoyed by operation sound or hot air Where rigid wall or support is available to prevent the increase of ...

Page 3: ...TO BE PROVIDED AT YOUR SIDE Item Q ty A Refrigerant pipe 1 set B Indoor outdoor connecting wire 2 core 1 0 mm2 1 C Piping tape 1 D Drain pipe PVC pipe OD ø26 1 E Pipe fixing band for refrigerant pipe The quantity depends on the pipe length 2 to 5 F Fixing screw for E The quantity depends on the pipe length 2 to 5 G Drain joint pipe PVC pipe OD ø26 L 50 mm 1 H Power supply cord 2 I Piping hole repa...

Page 4: ...erature and humidity conditions may cause paper pattern to shrink or expand Measure dimensions before drilling holes 2 Suspension structure Give site of suspension strong struc ture Wood structure Select tie beam one story houses or second floor girder two story houses as reinforcement member Use sturdy beams of at least 60 mm square for beam pitch of 900 mm or less or of at least 90 mm square for...

Page 5: ...ation only Front grille Knockout hole Knockout hole for drain pipe Unit fixing screw 2 Unit fixing screw 2 Hanging bolt Be sure to set hanging bolt in this position to keep unit s inclination LATES e fixing bolts plate fixing bolts J f installation plates ght one way direction stallation plates 1 door unit ve the ceiling put t a spring washer double nut Fig 3 orward the ceiling olt through the in ...

Page 6: ...tion plate 1 FRONT 4 2 6 FIXING UNIT TO INSTALLATION PLATES 1 Suspending unit from installation plate Hoist unit so that hanging bolt 4 on the sides of unit fit into holes in installation plate 1 2 Securing unit to installation plates Be sure to tighten unit fixing screw 2 to unit securely 4 3 KNOCKOUT COVER After removing the knockout holes attach knockout cover 9 on the knockout hold edge shown ...

Page 7: ...the terminal block securely so that no stress is applied to the connecting section of the terminal block Incomplete connection or fixing of the wire could result in a fire When connecting the power supply cord to the power supply source be sure to connect each wire to the correct pole Be sure to connect the Live wire side to the L terminal and connect the Neutral conductor side to the N terminal 4...

Page 8: ... D tilts downward 1 100 or more on outdoor side drain side and no traps or heaving exist When the drain pipe D is relatively long provide support metal fixtures midway to eliminate waving Odor trap at the end of drain pipe D is not required a Insulation b Supporting metal fixture c Downward inclination of 1 100 or more d Air bleeder e Do not raise f Odor trap g The end of drain hose is immersed in...

Page 9: ...th Design 245 IEC 57 m2 or more in conformity with Design 245 IEC 57 m2 or more in conformity with Design 245 IEC 57 1 0 mm2 in conformity with Design 245 IEC 57 Power supply cord H screw event them from loosening confirm that they do not move Service panel Fixing screws Warning Be sure to attach the service panel of the outdoor unit securely If it is not attached correctly it could result in a fi...

Page 10: ...ll burrs from the cut cross section of pipe Put the end of the copper pipe to downward direction as you remove burrs in order to avoid to let burrs drop in the piping Copper pipe Good No good Tilted Uneven Burred 3 Putting nut on Remove flare nuts attached to indoor and outdoor units then put them on pipe having completed burr removal not possible to put them on after flaring work Flare nut for R4...

Page 11: ...e then close the gauge manifold valve and stop the vacuum pump Leave as it is for one or two minutes Make sure the pointer gauge manifold valve remains in the same position Confirm that the pressure gauge shows 0 101 Mpa Gauge 760 mmHg Remove the gauge manifold valve quickly from the service port of the stop valve After refrigerant pipes are connected and evacuated fully open all stop valves on bo...

Page 12: ...rk as the power button of the remote controller is off To prevent breaker off due to the rush of starting current systematize other home appliance not to turn on at the same time 6 7 EXPLANATION TO THE CUSTOMER Using the instruction manual explain the following to the customer how to control temperature how to re move the air filters how to remove or put the remote controller in the remote control...

Page 13: ... liquid phase of the gas cylinder s phase composition change may occur in the refrigerant In this case ability of the refrigerating cycle decreases or wever charging the liquid refrigerant all at once may cause ge the refrigerant slowly der warm the gas cylinder with warm water under 40 C during m Union Liquid pipe Gas pipe Stop valve Service port Gauge manifold valve for R410A Charge hose for R41...

Page 14: ...FICE MITSUBISHI DENKI BLDG MARUNOUCHI TOKYO 100 8310 TELEX J24532 CABLE MELCO TOKYO intended for use in the residential al environment on Low Voltage Directive 73 23 EEC Electromagnetic Compatibility Directive 89 336 EEC ...

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