12-17
CONTROL SYSTEM
SM YBD018 1-A.1 GB
12.11
Outdoor Unit Controllers and Indicators
12.11.1 The user display uses three 7 segments.
12.11.1.1
The user interface concept is Tree menus.
12.11.1.1
The navigation through the menu can be performed by either the key
pad or RC8 remote controller (through infra red receiver).
Command
Type
Function Keypad Remote
controller
Up or Down
command
Scrolling among
options (up and
down).
Up or Down
key button.
Up:
Set Point ‘+’
Down:
Set Point ‘-‘
Selection
command
Go down one level in
the menu or select
an option.
Select
button
FAN mode
Escaping
command
Go up one level in
the menu
Escape
button
Oper/STBY
RC8 sketch:
Note: the buttons above are selected according to RC8 design (refer to RC8 specifications) for the technician
convenient use.
1. The navigation type selection, remote controller or keypad, is set through software
parameter:
HMIType
=0 (keypad),
HMIType
=1 (remote controller)
2. The following table summarizes the remote controller commands:
Values on the IR protocol
Command
Type
Pressed
Button
SPT Oper
FAN
Sleep
Horizontal
Louver
I-FEEL Other
bits
Up ‘+’ 30 0 0 0 0
0
0
Down ‘-‘
16
0 0 0
0
0
0
Escape Oper Don’t
care 1
0
0
0
0
0
Enter FAN
Don’t
care 0 01 0
0
0
0
Reserved Sleep Don’t
care
0
0
1
0
0
0
Reserved Horizontal
Louver
Don’t care
0
0
0
1
0
0
Reserved I-FEEL Don’t
care
0
0
0
0
1
0
- Other 20 0 0 0
0
0
0
Notes:
1. The zeros stated above must be checked in order to judge for proper message.
2. Proper checksum has to be performed according to the RC7 specifications.
