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Mitsubishi 1873864 9000 BTU Single Zone Mini Split System

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INSTALLATION MANUAL

This is the main product document for model 1873864. Additionally, the document applies to other Mitsubishi models: MSZ-FH06, MSZ-FH09, MSZ-FH12, MSZ-FH15, MSZ-FH18NA, MSZ-FH18NA2

The file format is pdf, 8 pages, you can download this manual here .

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1. BEFORE INSTALLATION
1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
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ENGLISH
Required Tools for Installation
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MSZ-FH18NA2
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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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ZRUNLWFRXOGUHVXOWLQD¿UHRUDQHOHFWULFVKRFN
■ 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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■ 8VHWKHVSHFL¿HGZLUHVWRVHFXUHO\FRQQHFWWKHLQGRRUDQGRXWGRRUXQLWV$W-
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■ 'RQRWLQVWDOOWKHXQLWLQDSODFHZKHUHÀDPPDEOHJDVPD\OHDN
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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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■ 8VHWKHSDUWVSURYLGHGRUVSHFL¿HGSDUWVIRUWKHLQVWDOODWLRQZRUN
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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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■ Securely attach the electrical cover to the indoor unit and the service panel to
the outdoor unit.
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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.
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■ When installing the unit, securely connect the refrigerant pipes before starting
the compressor.
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■ )DVWHQDÀDUHQXWZLWKDWRUTXHZUHQFKDVVSHFL¿HGLQWKLVPDQXDO
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■ Install the unit according to national wiring regulations.
■ Depending on the installation area, install a Ground Fault Interrupt (GFI) circuit
breaker.
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FRXOGRFFXU
■ Perform the drainage/piping work securely according to the installation
manual.
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GDPDJHKRXVHKROGLWHPV
■ 'RQRWWRXFKWKHDLULQOHWRUWKHDOXPLQXP¿QVRIWKHRXWGRRUXQLW
7KLVFRXOGFDXVHLQMXU\
■ Do not install the outdoor unit where small animals may live.
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CAUTION
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WARNING
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INSTALLATION MANUAL
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1-3. SPECIFICATIONS
1-3-1. POWER SUPPLY AND INDOOR/OUTDOOR
WIRE CONNECTION
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Connecting wires and the ground wire
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0LQ$:*
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1-4. INSTALLATION DIAGRAM
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2-4. PIPE FORMING AND DRAIN PIPING
2-4-1. PIPE FORMING
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Note:
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Rear or bottom piping
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Right piping
Note:
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3-1. CONNECTING WIRES FOR OUTDOOR UNIT
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3-2. FLARE CONNECTION
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3. OUTDOOR UNIT INSTALLATION
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3-3. PIPE CONNECTION
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Indoor unit connection
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4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN
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4-3. AUTO RESTART FUNCTION
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To the user
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3-4. INSULATION AND TAPING
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WARNING
When installing the unit, securely connect the refrigerant pipes before starting the
compressor.
4-4. SETTING THE INSTALLATION POSITION
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Installation position:
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5-3. PUMPING DOWN
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5. RELOCATION AND MAINTENANCE
5-1. REMOVING AND INSTALLING THE PANEL
ASSEMBLY
Removal procedure
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5-2. REMOVING THE INDOOR UNIT
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Installation procedure
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WARNING
When pumping down the refrigerant, stop the compressor before disconnecting
the refrigerant pipes. The compressor may burst if air etc. get into it.

Specifications

Mitsubishi 1873864 Questions and Answers

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