Mitsubishi Electric Mr. Slim MXZ-2B20NA, Installation Manual

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5
2. OUTDOOR UNIT INSTALLATION
2-1. CONNECTING WIRES FOR OUTDOOR UNIT
• Be sure to use special circuits for room air conditioner.
• Wiring work should be based on applicable technical standards.
• Wiring connections should be made following the diagram.
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ELECTRICAL SPECIFICATIONS
OUTDOOR UNIT MXZ-2B20NA
3RZHUVXSSO\93+$6(+] 208/230, 1, 60
0D[)XVHVL]HWLPHGHOD\$ 20
0LQ&LUFXLW$PSDFLW\$ 15
)DQPRWRU)/$ 0.96
Compressor
5/$
10.1
/5$ 15
Control voltage
,QGRRUXQLW5HPRWHFRQWUROOHU:LUHOHVV
Indoor unit-Outdoor unit : DC12-24V
5HPRYHWKHVHUYLFHSDQHO
)L[ WKH FRQGXLW FRQQHFWRU WR FRQGXLW FRYHU ZLWK ORFN QXW WKHQ VHFXUH LW
against unit with screws.
)L[WKHFRQGXLWFRYHUWRWKHRXWGRRUXQLWWKHQVHFXUHLWZLWKVFUHZV
&RQQHFWSRZHUVXSSO\FRUGDQGLQGRRURXWGRRUFRQQHFWLQJZLUHWRWKHWHU
-
minal block.
/HDYHVRPHVODFNLQZLUHVWRDOORZHDVLHUVHUYLFLQJ
&ORVHWKHVHUYLFHSDQHOVHFXUHO\0DNHVXUHWKDW3,3(&211(&7,21
is completed.
Remark:
* A disconnect switch should be required. Check the local code.
** Use a ring tongue terminal in order to connect a ground wire to terminal.
INDOOR UNIT A
Terminal block
Grounding
terminal **
INDOOR UNIT B
Terminal block
Grounding
terminal **
208/230 V AC
1phase 60 Hz 208/230 V AC
1phase 60 Hz
Grounding
terminal **
Grounding
terminal **
Terminal
block 1
Ground
OUTDOOR UNIT
3RZHUVXSSO\9$&
1phase 2wires 60 Hz
Terminal block
UNIT A
Terminal block
UNIT B
Disconnect
switch *
Disconnect
switch *
• Connect wires to the matching numbers of terminals.
• Be sure to attach each screw to its correspondent
terminal when securing the cord and/or the wire to the
terminal block.
CONNECTING WIRES AND CONNECTING GROUND WIRE
• Use solid conductor AWG14 or stranded conductor AWG14.
• Use double insulated copper wire with 600 V insulation.
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* Follow local electrical code.
POWER SUPPLY CABLE AND GROUND WIRE
• Use solid or stranded conductor AWG14.
‡ 8VHFRSSHUFRQGXFWRUVRQO\
* Follow local electrical code.
WARNING:
8VHWKHLQGRRURXWGRRUXQLWFRQQHFWLQJZLUHWKDWPHHWVWKH6WDQGDUGVWRFRQQHFWWKHLQGRRUDQGRXWGRRUXQLWVDQG¿[WKHZLUHWRWKHWHUPLQDO
EORFNVHFXUHO\VRWKDWQRH[WHUQDOIRUFHLVFRQYH\HGWRWKHFRQQHFWLQJVHFWLRQRIWKHWHUPLQDOEORFN$QLQFRPSOHWHFRQQHFWLRQRU¿[LQJRIWKH
ZLUHFRXOGUHVXOWLQD¿UH
For future servicing, give extra length to the connecting wires.
Grounding terminal
Conduit
cover
Lock nut
Connector