8
Specifications subject to change without notice. SM619PHA-03
CONNECTION DIAGRAM
Fig. 4 — 208-230V
NOTES:
1. Do not use thermostat wire for any connection between the indoor and outdoor units.
2. All connections between the indoor and outdoor units must be as shown in Figure 4. The connections are polarity sensitive and
improper wiring
will result in a fault code
.
S
L1
L2
208/230-1-60
Main
Power Supply
L1 L2
S
L1
L2
CONNECTING CABLE
OUTDOOR TO INDOOR
Indoor Unit
Power Supply
208/230-1-60
Indoor
Signal
High
Voltage
GND
Ground
Power to
Indoor Unit
Indoor
Signal
High
Voltage
208/230-1-60
FIELD POWER SUPPLY
GND
208/230-1-60
208-230V Indoor Unit
208-230V Outdoor Unit