DC Inverter Multi VRF System User Manual
26
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
Note:
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.)
If then no motion is taken to the master unit for 5min, unit will exit and resume displaying the
current status.
8.2
Cool & Heat Function
This function can set operation modes and prevent mode collision that is caused by setting
different modes for different indoor units. It is especially suitable for hotels and other small business
areas. There are 3 levels for this setting:
Level A—Mode Lock Control
Upon entering this function setting, main board of outdoor unit will display as below:
LED1
LED2
LED3
Function code
Current progress
Display
Current status
Display
A6
nC
Blink
nC
Blink
Press SW1 button (▲) and SW2 button (▼) to select the following functions:
LED1
LED2
LED3
Function code
Display
Current progress/mode
Display
Current status
Display
A6
On
nC
Blink
nC
Blink
A6
On
nH
Blink
nH
Blink
A6
On
nA
Blink
nA
Blink
A6
On
nF
Blink
nF
Blink
When applicable mode is selected, press SW7 to confirm. The related display is as below:
LED1
LED2
LED3
Function code
Display
Current progress/mode
Display
Current status
Display
A6
On
nC
On
nC
On
A6
On
nH
On
nH
On
A6
On
nA
On
nA
On
A6
On
nF
On
nF
On
This setting will be memorized by master unit and can’t be cancelled even when power is on or off.
