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INSTALLATION MANUAL

FOR INSTALLER

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

Floor and Ceiling Type Air-Conditioner

MCFZ-A12WV
MUZ-A12YV(H)

[FLARE CONNECTION TYPE]

English

HFC

utilized

R410A

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2
3
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Содержание MUZ-A12YV

Страница 1: ...TALLATION 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 Floor and CeilingType Air Conditioner MCFZ A12WV MUZ A12YV H FLARE CONNECTION TYPE English HFC utilized R410A ...

Страница 2: ...tion of the air conditioner may interfere with radio or TV reception in areas where reception is weak An amplifier may be required for the affected device In a place as far away as possible from fluorescent and incandescent lights so the infrared remote control can operate the air conditioner normally Where the air filter can be removed and replaced easily 2 2 WIRELESS REMOTE CONTROLLER MOUNTING P...

Страница 3: ...o 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 3 core 1 0 mm2 1 I Piping hole repair parts Putty and Wall hole cover 1 J Installation plate fixing bolt M10 4 K Nut Spring washer for J M10 4 set REFRIGERANT AND DRAIN PIPE SIZES Refrigerant pipe Liquid OD ø6 35 Gas OD ø9 52 Drain pipe Hard PVC pipe OD ø26 OPTIO...

Страница 4: ...may cause dew drippage 4 1 A CASE OF SUSPENDING INDOOR UNIT FROM THE CEILING 4 1 1 MOUNTING INSTALLATION PLATE FIXING BOLTS 4 INDOOR UNIT INSTALLATION 1 Determine the locations of installation plate fixing bolts Use installation pattern to determine the locations of instal lation plate fixing bolts J a Installation pattern Details are printed on pattern Attention Surrounding temperature and humidi...

Страница 5: ...wn in Fig 2 Be sure to confirm letters FRONT in installation plates 1 set FRONT side to air outlet side of indoor unit a FRONT 1 Installation plate 2 In case of fixing installation plates 1 above the ceiling put installation plates fixing bolt through a nut a spring washer the installation plate a spring washer and double nut Fig 3 In case of fixing installation plates 1 forward the ceiling direct...

Страница 6: ...irm the dimensions as below 4 2 4 FRONT GRILLE REMOVAL See to 4 1 4 Page 5 4 2 5 OPENING KNOCKOUT HOLE See to 4 1 5 Page 5 Installation pattern Remove installation pattern after installing Horizontal base line Hole for refrigerant and drain pipe in the case of downward piping Hole for refrigerant and drain pipe in the case of rear piping Installation plate 1 FRONT 4 2 6 FIXING UNIT TO INSTALLATION...

Страница 7: ...e to fix the cable by cable clamp 3 Replace the terminal cover securely Cable clamp Screw Terminal cover Warning Attach the electrical part cover securely If it is attached incorrectly it could result in a fire an elec tric shock due to dust water etc Use the specified indoor outdoor unit connecting wire to connect the indoor and outdoor units and fix the wire to the terminal block securely so tha...

Страница 8: ...rain pipe cover D Drain pipe VP 20 c 8 D b a d b a 30 2 In case of connecting drain pipe D to drain joint bush through drain hose Drain hose 7 which is contained in accessories is flexible so use it when drain pipe D should be alternated direction Be sure to wind pipe cover which is provided in accessories around drain hose with vinyl tape Cut VP 20 in dimension as shown at the right and connect d...

Страница 9: ...en the terminal screws to prevent them from loosening After tightening pull the wires lightly to confirm that they do not move Warning Be sure to attach the service panel of the outdoor unit securely If it is not attached correctly it could result in a fire or an electric shock due to dust water etc Indoor terminal block Outdoor terminal block N 3 2 3 N 2 Indoor outdoor unit connecting wire B 4 co...

Страница 10: ...e for R410A Yes Substitutable for R410A Electronic scale for re frigerant charging 6 2 FLARING WORK Main cause of gas leakage is defect in flaring work Carry out correct flaring work in the following procedure 2 Burrs removal Completely remove all 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...

Страница 11: ...nd the gas pipe between the indoor and the outdoor unit Remove the service port cap of the stop valve on the side of the outdoor unit gas pipe The stop valve will not work in it initial state fresh out of the factory totally closed with cap on Connect the gauge manifold valve and the vacuum pump to the service port of the stop valve on the gas pipe side of the outdoor unit Run the vacuum pump Vacu...

Страница 12: ...in 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 controller holder how to clean precautions etc Recommend the customer to carefully read the Operating Instruction Book EMERGENCY OPERATION switch 6 5 TEST RUN Before performing the test run recheck for any wrong wiring Wrong wiring prevents normal oper...

Страница 13: ...arge refrigerant into the atmosphere during installation reinstallation or re pairs to the refrigerant circuit For additional charging charge the refrigerant from liquid phase of the gas cylinder If the refrigerant is charged from the gas phase composition change may occur in the refrigerant inside the cylinder and the outdoor unit In this case ability of the refrigerating cycle decreases or norma...

Страница 14: ... TOKYO 100 8310 JAPAN This product is designed and intended for use in the residential commercial and light industrial environment The product at hand is based on the following EU regulations Low Voltage Directive 73 23 EEC Electromagnetic Compatibility Directive 89 336 EEC ...

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