ProFusion HA24-75E - EXTERNAL THERMOSTAT MODE OPERATION; Operation in External Thermostat Mode

*Instruction for external thermostat control mode
Under the external thermostat control mode:
1.The “power button” on the control panel of the heater is only used as On/Off switch
2.The timer button can be used to set working hours in the same way as the Normal mode.
3.“+ ” & “-” buttons are not available for temperature selection.
“O” Normal mode
“ ” external thermostat control mode
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External temperature control switch
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