12. Instruction of Parameter Settings
1) The control panel is in parameter setting mode via pressing the MODE button more than 6 seconds.
2) In the parameter setting mode, the valid parameter number (00/01/02/03/04/05/06/07/08/21/23/
23/24/25) is shown in the middle of the screen, press button SET to switch the parameter number.
Then press MODE to enter the parameter setting, the default value at the right corner flashes, press the
up-down button to adjust the data. After setting, press SET button to save all the data. After 10 se-
conds, the control panel begins to record the parameters. The setting is proved to be successful if the
parameters
13. Bypass opening parameter setting
1) The bypass is opened on the condition that the outdoor temperature is equal or higher than X and
less than X+Y.
2) The bypass is closed on other conditions.
14. EA fan defrosting mode
When EA side of heat exchanger temperature lower than –1℃(defrosting entering temperature, adjusta-
ble) and last for 1 minute, and the interval of defrosting is longer than 30 minutes (adjustable), the ex-
haust fan will run at high speed automatically for defrosting, and supply fan will stop, until EA side tem-
perature higher than defrosting entering temperature +15℃ for 1 minute, or the defrosting time is long-
er than 10 minutes (adjustable)
15. Filter Alarm, to set the filter alarm under parameter 25, the symbol flash as the filter alarm to
remind customer to clean the filters, to sweep filter alarm by setting parameter 24 value 1.
16. Error code, press set button for short to check the Error code, please refer to below error code table
Code
Error
E1 Fresh air temperature sensor error
E2 EEPROM error
E3 Return air temperature sensor error
E4
Exhaust air temperature sensor er-
ror (defrosting temperature error)
E5 Communication error
E6 Supply air temperature sensor error
19
Intelligent Controller Instruction
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