DC Inverter Multi VRF System
36
8 Function Setting of Outdoor Unit
When debugging is finished, press SW3 on the master unit and unit will be ready for function
setting. Default display of outdoor unit’s main board is as
shown below:
LED1
LED2
LED3
Function code Display Current progress Display Current status Display
A7
Blink
00
Blink
00
Blink
Then press SW1 button(
▲
) and SW2 button(
▼
) on the master unit to switch function codes of
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 shown below:
LED1
LED2
LED3
Function code Display Current progress Display Current status Display
A7
On
00
Blink
oC
Blink
A6
On
CH
Blink
CH
Blink
n3
On
35
Blink
oC
Blink
8.1 ODU Quiet Function
This function is suitable for applications 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 shown below:
LED1
LED2
LED3
Function code Display Current progress Display Current status Display
A7
On
00
Blink
oC
Blink
Press SW1 button (
▲
) and SW2 button (
▼
) to select the following silent modes.
LED1
LED2
LED3
Function code Silent mode Display Current status Display
A7
00~12
Blink
oC
Blink
When applicable mode is selected, press SW7 to confirm. Main board of outdoor unit will
display as below:
LED1
LED2
LED3
Function code Silent mode Display Current status Display
A7
00~12
On
oC
On
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 c
ancelled 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.)