(1) SYSTEM switch: Use this switch to select system mode: COOL->OFF->HEAT.
(2) FAN switch: Use this switch to select fan mode: AUTO->ON.
(3) FAN operation switch: Use this switch to select to options for heat fan:
using a Gas or Oil heating system, choose “GAS” (system controls fan operation).
(4) Setting temperature: In the main interface, the LCD displays room temperature. When power is on,
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adjustments made within 5 seconds, the system will revert back to the main interface.
(5) Hold button: When power is on, press the “Hold” button to hold the setting temperature. The program
will not run and display “Hold”. For example: if the set temperature is 60°F , after pressing the “HOLD”,
the system will lock the setting temperature to be 60°F.
(6) Run button: When power is on, the button is used to run the program what has been set.
(7) F button: When power is on, and the filter function has been set (F6>0), pressing the F button will
display the remaining time until the filter should be changed. For example: the clock area displays 128,
which means it has 128 days left before filter net needs to be changed. Press and hold F button for 5
seconds, “FILTER” icon will flash once, which means the filter will clear to zero and it will restart.
(If there are no inputs for 30 seconds, the system will automatically exit the setting interface and the
changed parameters will not be saved.)
When the power is on (in cool/heat mode), hold “SET” for 5 seconds to enter the programming mode:
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the day of the week.
(3) Press “SET” again to set the wake time from monday to friday. When the clock area is flashing,
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(4) Press “SET” again to set the wake temperature from monday to friday. When the temperature
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(5) Continue pressing “SET” to set the time and temperature of leave, return, sleep, from monday to
friday and saturday, sunday by in this order.
(6) After finished setting, press “RUN” to cancel the interface and save the parameter changes.
With power off, hold the set button for 7 seconds to enter the parameter changing interface.
System clock area displays each symbol of the parameter, and temperature area displays each
of the parameter values. Continue to press “SET” to cycle the display through each parameter.
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press “RUN” button to exit the setting interface and save the set parameter. (If there are no inputs
within 30 seconds, the system will exit the setting interface and the changed parameters will not
be saved)
21°C/69.8°F
21°C/69.8°F
17°C/62.6°F
17°C/62.6°F
24°C/75.2°F
24°C/75.2°F
28°C/82.4°F
26°C/78.8°F
21°C/69.8°F
21°C/69.8°F
17°C/62.6°F
17°C/62.6°F
24°C/75.2°F
24°C/75.2°F
28°C/82.4°F
26°C/78.8°F
