Table of Contents
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INSTALLATION MANUAL
1. BEFORE INSTALLATION
1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
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■ Do not install the unit by yourself (user).
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■ Follow the instructions detailed in the installation manual.
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■ When installing the unit, use appropriate protective equipment and tools for
safety.
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■ Install the unit securely in a place that can bear the weight of the unit.
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■ Perform electrical work according to the installation manual and be sure to use
an exclusive circuit. Do not connect other electrical appliances to the circuit.
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■ Ground the unit correctly.
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■ Do not damage the wires.
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■ Be sure to shut off the main power when setting up the indoor P.C. board or
wiring.
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■ Do not use intermediate connection of the power cord or the extension cord.
Do not connect many devices to one AC outlet.
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■ When plugging the power supply plug into the outlet, make sure that there is
no dust, blockage, or loose parts both in the outlet and on the plug. Verify that
the power supply plug is completely in the outlet.
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■ Depending on the installation area, install a Ground Fault Interrupt (GFI) circuit
breaker.
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■ Perform the drainage/piping work securely according to the installation manual.
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damage household items.
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MSZ-WR09/12NA
WARNING
CAUTION
Required Tools for Installation
Phillips screwdriver
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Wrench (or spanner)
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■ Securely attach the electrical cover to the indoor unit and the service panel to
the outdoor unit.
If the electrical cover of the indoor unit and/or the service panel of the outdoor unit are
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■ When installing, relocating, or servicing the unit, make sure that no substance
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■ Do not discharge the refrigerant into the atmosphere. Check that the refriger-
ant gas does not leak after installation has been completed. If refrigerant leaks
during installation, ventilate the room.
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■ Use appropriate tools and piping materials for installation.
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■ When pumping down the refrigerant, stop the compressor before disconnecting
the refrigerant pipes.
If the refrigerant pipes are disconnected while the compressor is running and the
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■ When installing the unit, securely connect the refrigerant pipes before starting
the compressor.
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■ Install the unit according to national wiring regulations.
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■ Do not install the outdoor unit where small animals may live.
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Pipe cutter with reamer
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Table of Contents
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Summary of Contents for Mitsubishi Electric MSZ-WR09/12NA
- Page 1 Required Tools for Installation -* <+ Phillips screwdriver LQ PP KH[DJRQDO MSZ-WR09/12NA /HYHO wrench 6FDOH )ODUH WRRO IRU 5$ 8WLOLW\ NQLIH RU VFLVVRUV *DXJH PDQLIROG IRU 5$ LQ PP KROH VDZ 9DFXXP SXPS IRU 5$ 63/,77<3( $,5 &21',7,21(56 7RUTXH ZUHQFK &KDUJH KRVH IRU 5$...
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Page 3: Installation Diagram
1-4. INSTALLATION DIAGRAM ACCESSORIES Wall hole cover (D) Use the wall hole sleeve &KHFN WKH IROORZLQJ SDUWV EHIRUH LQVWDOODWLRQ Indoor unit (C) to prevent indoor/ 6HDO WKH ZDOO KROH <Indoor unit> JDS ZLWK SXWW\ + outdoor connecting wire Installation plate (A) from contacting metal Wall hole Attach the pipe to... -
Page 4: Indoor Unit Installation
2. INDOOR UNIT INSTALLATION 2-1. ATTACHING THE INSTALLATION PLATE Ceiling LQ PP RU PRUH ‡ )LQG D VWXG LQ WKH ZDOO WR DWWDFK LQVWDOODWLRQ SODWH KRUL]RQWDOO\ RQ WKH ZDOO ZLWK VFUHZV LQ PP RU PRUH IRU OHIW ‡... -
Page 5: Pipe Forming And Drain Piping
2-4. PIPE FORMING AND DRAIN PIPING 2-4-1. PIPE FORMING ‡ 3ODFH WKH GUDLQ KRVH EHORZ WKH UHIULJHUDQW SLSLQJ ‡ 0DNH VXUH WKDW WKH GUDLQ KRVH LV QRW FURZGHG RU EHQW /LTXLG SLSH ‡ 'R QRW SXOO WKH KRVH ZKHQ DSSO\LQJ WKH WDSH *DV SLSH ‡... -
Page 6: Outdoor Unit Installation
3. OUTDOOR UNIT INSTALLATION 3-1. CONNECTING WIRES FOR OUTDOOR UNIT 5HPRYH WKH VHUYLFH SDQHO 5HPRYH WKH FRQGXLW FRYHU $WWDFK WKH FRQGXLW FRQQHFWRU WR FRQGXLW SODWH ZLWK ORFN QXW WKHQ VHFXUH LW DJDLQVW XQLW ZLWK VFUHZV &RQQHFW JURXQG ZLUHV RI LQGRRURXWGRRU XQLW FRQQHFWLQJ ZLUH $ DQG SRZHU VXSSO\ FRUG . WR WKH 7% VXSSRUW /RRVHQ WKH WHUPLQDO VFUHZ DQG DWWDFK LQGRRURXWGRRU XQLW FRQQHFWLQJ ZLUH $ IURP WKH LQGRRU LQ... -
Page 7: Purging Procedures, Leak Test, And Test Run
3-3. PIPE CONNECTION ‡ )DVWHQ ÀDUH QXW ZLWK D WRUTXH ZUHQFK DV VSHFL¿HG LQ WKH WDEOH UHIHU WR ‡ :KHQ IDVWHQHG WRR WLJKW ÀDUH QXW PD\ HYHQWXDOO\ EUHDN DQG FDXVH UHIULJHUDQW OHDNDJH ‡ %H VXUH WR ZUDS LQVXODWLRQ DURXQG WKH SLSLQJ 'LUHFW FRQWDFW ZLWK WKH EDUH SLSLQJ PD\ UHVXOW LQ EXUQV RU IURVWELWH Indoor unit connection &RQQHFW ERWK OLTXLG DQG JDV SLSLQJV WR LQGRRU XQLW... -
Page 8: Relocation And Maintenance
5. RELOCATION AND MAINTENANCE 5-1. REMOVING AND INSTALLING THE PANEL ASSEMBLY Removal procedure 5HPRYH WKH WZR VFUHZV WKDW DWWDFK WKH SDQHO DVVHPEO\ 5HPRYH WKH SDQHO DVVHPEO\ %H VXUH WR UHPRYH LWV ERWWRP HQG ¿UVW Installation procedure ,QVWDOO WKH SDQHO DVVHPEO\ IROORZLQJ WKH UHPRYDO SURFHGXUH LQ UHYHUVH %H VXUH WR SUHVV WKH SRVLWLRQV DV LQGLFDWHG E\ WKH DUURZV LQ RUGHU WR DWWDFK WKH DV VHPEO\ FRPSOHWHO\ WR WKH XQLW 5-2.