DC Inverter Multi VRF System User Manual
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LED1 to select relevant functions.
Function setting includes: outdoor silent mode setting (A7), heating and cooling function
setting (A6), compulsory defrosting (n3)
After selecting relevant functions, press SW7 to confirm and start setting this function. Main
board of outdoor unit will display as below:
8.1 ODU Quiet Function
This function is suitable for projects that have strict requirements for noise. It includes two
modes: smart night silent mode, compulsory silent mode.
When unit enters function setting, main board of outdoor unit will display as below:
Press SW1 button (▲) and SW2 button (▼) to select the following silent modes.
When applicable mode is selected, press SW7 to confirm. Main board of outdoor unit will
display as below:
Notice: code 00 of LED2 refers to normal mode. Codes 01~09 refer to smart night silent mode.
Codes 10~12 refer to compulsory silent mode. When setting is finished, master unit will memorize
it so that it can’t be cancelled even when power is on or off.
Then press SW6 on the master unit to return to the previous step. (If this button is pressed
when function is being set, system will return to the previous step. If SW6 is pressed when setting
is finished, system will resume displaying the current operation status.)
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