Samsung Electronics 416
Key Options
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Connecting the Mode Select switch to the outdoor unit's Main PBA
Outdoor unit's Main PBA
7-Seg display
SEG1 - SEG4 from left
Push button
Option switch (OPT1)
Use Option setting to enable
cooling or heating mode.
How to use the Mode Select switch
Pin1-2 Pin2-3 State
Short Open Cooling only
Open Short Heating only
Open Open Cooling/Heating
Red Blue
White
OPT1
Connector on
outdoor unit PBA
Cooling
only
Cooling/
Heating
Heating
only
Operation
The mode select switch is a control option for a heat pump unit.
It is set to operate as follows:
• If set to Cool, the outdoor unit operates in cooling mode only.
• If set to Heat, the outdoor unit operates in heating mode only.
• If set to Auto, the local wired or wireless remote control determines the operating mode (heat/cool) of the outdoor unit.
8-5-4 Application of Mode select Switch (cont.)
8-5 Applications (cont.)
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