A SERVICE OF

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Adisconnectswitchmayberequired.Checkthelocalcode.
Remark:
*Adisconnectswitchmay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 **
Grounding
terminal **
INDOOR UNIT C
Terminal block
208/230 V AC
1phase 60 Hz
208/230 V AC
1phase 60 Hz
208/230 V AC
1phase 60 Hz
DC12-24 V
(Polar)
DC12-24 V
(Polar)
DC12-24 V
(Polar)
Grounding
terminal
**
Grounding
terminal **
Grounding
terminal **
Terminal
block 1
Ground
OUTDOOR UNIT
Powersupply208/230VAC
1phase 2wires 60 Hz
Terminal block
UNIT A
Terminal block
UNIT B
Terminal block
UNIT C
Disconnect
switch *
Disconnect
switch *
Disconnect
switch *
Connect wires to the matching numbers of terminals.
CONNECTING WIRES AND CONNECTING GROUND WIRE
• Use solid conductor AWG14 or stranded conductor AWG18, AWG16, or AWG14.
• Use double insulated copper wire with 300 V insulation.
• Usecopperconductorsonly.
* Follow local electrical code.
POWER SUPPLY CABLE AND GROUND WIRE
• Use
solid or stranded conductor AWG14.
• Usecopperconductorsonly.
* Follow local electrical code.
WARNING:
Usetheindoor/outdoorunitconnectingwirethatmeetstheStandardstoconnecttheindoorandoutdoorunitsandxthewiretotheterminal
blocksecurelysothatnoexternalforceisconveyedtotheconnectingsectionoftheterminalblock.Anincompleteconnectionorxingofthe
wirecouldresultinare.
For future servicing, give extra length to the connecting wires.
Grounding
terminal **
INDOOR UNIT D
Terminal block
208/230 V AC
1phase 60 Hz
DC12-24 V
(Polar)
Grounding
terminal **
Terminal block
UNIT D
Disconnect
switch *
SG79Y871H02.indb 6 9/7/2007 1:09:41 PM