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
208/230 V AC
1phase 60 Hz
Terminal
Terminal block
block 1
UNIT A
Power supply 208/230 V AC
1phase 2wires 60 Hz
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 fix 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 fixing of the
wire could result in a fire.
For future servicing, give extra length to the connecting wires.
6
INDOOR UNIT B
Terminal block
Grounding
terminal **
Disconnect
Disconnect
208/230 V AC
switch *
switch *
1phase 60 Hz
DC12-24 V
(Polar)
Grounding
terminal **
Terminal block
UNIT B
OUTDOOR UNIT
Connect wires to the matching numbers of terminals.
INDOOR UNIT C
Terminal block
Grounding
Grounding
terminal **
terminal **
Disconnect
208/230 V AC
switch *
1phase 60 Hz
DC12-24 V
DC12-24 V
(Polar)
(Polar)
Grounding
Grounding
terminal **
terminal **
Terminal block
UNIT C
INDOOR UNIT D
Terminal block
Grounding
terminal **
Disconnect
208/230 V AC
switch *
1phase 60 Hz
DC12-24 V
(Polar)
Grounding
terminal **
Terminal block
UNIT D
Ground