6.3 Digital Display and Button
Settings
Only master unit has the full menu functions, slaves units
only have error codes check and cleaning functions.
1. Long press SW5 “MENU” button for 5 seconds to
enter menu mode, and the digital display displays “n1”.
[[+¦§<¨*
first level menu “n1”, “n2”, “n3”, “n4”or “nb”.
3. Press SW6 “OK” button to enter specified first level
menu, for example, enter “n4” mode.
+[[+¦§<¨*
second level menu from “n41” to “n47”.
5. Press SW6 “OK” button to enter specified second level
menu, for example, enter “n43” mode.
MENU DOWN
SW5 SW4
UP
SW3
OK
SW6
DSP1 DSP2
6.3.1 Digital display output
6.3.2 Function of buttons SW3 to SW6
6.3.3 Menu mode
Outdoor unit state
Parameters
displayed on
DSP1
Parameters
displayed on DSP2
Standby
Unit's address
The number of indoor
units in communication
with the outdoor units
Normal
operation
For single
compressor
units
Running speed of the
compressor in
rotations per second
Error or protection Placeholder and error or protection code
In menu mode
System check
Display menu mode code
Display system check code
SW3 (UP)
Button
Function
In menu mode: previous and next buttons
for menu modes.
Not in menu mode: previous and next
buttons for system check information.
SW4
(DOWN)
SW5
(MENU)
\
SW6
(OK)
Confirm to enter specified menu mode.
Operate the switches and push buttons with
an insulated stick (such as a closed ball-point
pen) to avoid touching of live parts.
Querying exteral parameters and setting
menu parameters are only allowed on the
auxiliary module.
The auxiliary module position is shown in the
following figure.
CAUTION
Start
Long press “menu” 5 seconds
Display -n1
Press “menu”
Display -nX
Press up or down to
choose X
Press “OK” to confirm X
Display -nXY
Display -nXY
Press up or down
to choose Y
Press OK to confirm Y
Press OKto confirm Y
Press OK to confirm Y
Confirm “-nXY”
Press menu
Press menu
Press menu
Fig.6-1
Menu mode selection flowchart:
31
