DIP Switches Configurations
No. UP (ON) DOWN (OFF) Remarks
S1
Electric heat only Electric heat and pump heat For heat pump unit only.
S2
Temperature Display in °C Temperature Display in °F
Use PTAC other wall
thermostat
Consult with the sales
agency or manufacturer
for details.
NOTE: On heating mode, the temperature setting can’t be higher than 84°F.
• Electric Heat Only (for heat pump unit only): This setting is typically used for emergency
heating.
• Wall Thermostat Enable: A wired wall thermostat can be connected to the unit. To connect a
wall thermostat to the unit, this DIP switch must be moved to the Wall Thermostat Enable position
in order for the wall thermostat to function.
• Set-point Temperature Limits: Provides a restricted range of temperature control.
• Heat and Cool Fan CON/CYC DIP switches: Allows the fan to operate in continuous or cycle
mode while the unit is in heating or cooling mode.
o Continuous (CON): Allows fan to run continuously, circulating air even when the temperature
setting has been satisfied. This switch helps to maintain the ambient temperature closer to the
thermostat setting.
o Cycle (CYC): This setting allows the fan to cycle on and off with the compressor or electric
heater. The fan stops a short time after the set point is reached.
Functions for Front desk switch panel and Wire Controller
• Front desk switch panel: If an ON/OFF switch is connected to the ports, the A/C unit can be
turned off with it. The LED display on the unit will show FC.
• Wired controller: The LED display will show LC (reserved) if a wired controller is connected. If the
communication portal is one way, the buttons on the control panel will be invalid.
Note: This wired controller is optional, and it is connected to the switchboard.
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