Mitsubishi Electric MCFZ-A12WV Installation Manual
Floor and ceiling type air conditioners flare connection type
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Also See for MCFZ-A12WV:
- Operating instructions manual (13 pages) ,
- Service manual (24 pages)
Table of Contents
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Floor and Ceiling Type Air-Conditioner
MCFZ-A12WV
MUZ-A12YV(H)
[FLARE CONNECTION TYPE]
INSTALLATION MANUAL
FOR INSTALLER
HFC
utilized
R410A
CONTENTS
SAFETY ........................................................................................... 2
2. SELECTING THE INSTALLATION LOCATION ............................... 2
3. INSTALLATION DIAGRAM & ACCESSORIES ................................ 3
4. INDOOR UNIT INSTALLATION ....................................................... 4
5. OUTDOOR UNIT INSTALLATION ................................................... 9
TEST RUN ..................................................................................... 10
7. FOR MOVEMENT AND MAINTENANCE ...................................... 13
English
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Table of Contents
Related Manuals for Mitsubishi Electric MCFZ-A12WV
Summary of Contents for Mitsubishi Electric MCFZ-A12WV
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Page 1: Table Of Contents
English CONTENTS Floor and Ceiling Type Air-Conditioner MCFZ-A12WV 1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY ................... 2 MUZ-A12YV(H) 2. SELECTING THE INSTALLATION LOCATION ....... 2 utilized 3. INSTALLATION DIAGRAM & ACCESSORIES ........ 3 [FLARE CONNECTION TYPE] R410A 4. INDOOR UNIT INSTALLATION ............4 5. -
Page 2: The Following Should Always Be Observed For
1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR 2. SELECTING THE INSTALLATION LOCATION SAFETY • Please provide an exclusive circuit for the air conditioner and do not connect other electrical appliances to it. INDOOR UNIT • Be sure to read “THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY” before installing •... -
Page 3: Installation Diagram & Accessories
3. INSTALLATION DIAGRAM & ACCESSORIES Remark: Accessories of this unit are packed inside the unit. Please remove Basically open 100 mm or more without any the front grille as shown in the right (See “FRONT GRILL RE- obstruction in front and on MOVAL”), and check accessories before installation. -
Page 4: Indoor Unit Installation
4. INDOOR UNIT INSTALLATION FLARED CONNECTIONS A CASE OF SUSPENDING INDOOR UNIT FROM THE CEILING • This unit has flared connections on both indoor and outdoor sides. 4-1-(1) MOUNTING INSTALLATION PLATE FIXING BOLTS • Refrigerant pipes are used to connect the indoor and outdoor units as shown in the figure below. 1. - Page 5 4-1-(2) FIXING OF INSTALLATION PLATES 4-1-(4) FRONT GRILLE REMOVAL 1. Set installation plates to installation plate fixing bolts. • Remove front grille and transportation support. • Set installation plates 1 to installation plate fixing bolts J so that the distance between insides of installation plates is adjusted to length as shown in the right.
- Page 6 A CASE OF INSTALLATING INDOOR UNIT ON THE WALL 4-2-(6) FIXING UNIT TO INSTALLATION PLATES 1. Suspending unit from installation plate. 4-2-(1) MOUNTING INSTALLATION PLATE FIXING BOLTS • Hoist unit so that hanging bolt (4) on the sides of unit fit into holes in installation plate 1. 1.
- Page 7 Terminal cover POWER SUPPLY AND CONNECTING WIRE SPECIFICATIONS L ~ N ~ Indoor terminal block Earth wire Use special room air conditioning circuit. (green/yellow) Power supply cord H Rated voltage/Frequency Breaker capacity Power supply cord Indoor/outdoor unit 230 V/50 Hz 10 A 3-core 1.0 mm in conformity with Design 245 IEC 57...
- Page 8 2. In case of connecting drain pipe D to drain-joint bush through drain hose. 2. In case that pipes jut out from bottom surface of the indoor unit. (Fig. 2) • Drain hose 7 which is contained in accessories is flexible, so use it when drain pipe D should be Process figure alternated direction.
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Page 9: Outdoor Unit Installation
5. OUTDOOR UNIT INSTALLATION INDOOR/OUTDOOR UNIT CONNECTING WIRE CONNECTION • Connect the indoor/outdoor unit connecting wire B from the indoor unit correctly on the terminal block. • For future servicing, give extra length to connecting wire. • Peel off both ends of connecting wire (extension wire). •... -
Page 10: Indoor/Outdoor Unit Connection Finishing And Test Run
6. INDOOR/OUTDOOR UNIT CONNECTION FINISHING AND TEST RUN Tools dedicated for the air conditioner with R410A refrigerant 2. Burrs removal • Completely remove all burrs from the cut cross section of The following tools are required for R410A refrigerant. Some R22 tools can be substituted for R410A tools. pipe. -
Page 11: Pipe Connection
PIPE CONNECTION PURGING PROCEDURES · LEAK TEST 1. Indoor unit connection • Use the vacuum pump for air purging for the purpose of environmental protection. • Connect both liquid and gas piping to the indoor unit. PURGING PROCEDURES - Apply a thin coat of refrigerant oil on the seat surface of pipe. -
Page 12: Test Run
TEST RUN AUTO RESTART FUNCTION • Before performing the test run, recheck for any wrong wiring. • These models are equipped with an auto restart function. If you do not want to use this function, please Wrong wiring prevents normal operation or results in blown fuse disabling operation. consult the service representative because the setting of the unit needs to be changed. -
Page 13: For Movement And Maintenance
7. FOR MOVEMENT AND MAINTENANCE FRONT PANEL REMOVAL 1. Remove front grill. Lock • Remove 3 screws. (See to 4-1-(4)) (Page 5). 2. Remove front panel. • Remove 10 screws as shown in the right. • Unlock front panel by pulling it toward yourself (1) and then pull it down as the arrow (2). - Page 14 The product at hand is based on • Low Voltage Directive 73/23/ EEC the following EU regulations: • Electromagnetic Compatibility Directive 89/ 336/ EEC HEAD OFFICE: MITSUBISHI DENKI BLDG., 2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN VN79A516H02...