40
Electric wiring and the application
SW9 SW10 SW11
Function
Operational approach
0
10
2
Wrong wiring
inspection in cooling
Press SW2(UP) for 2 seconds, showing 1111,
then start up and digital tube displays the
judging time by counting down.
“00.00”means the result is in conformity with the
actual connection;
“01.05”means one outdoor unit and 5 indoor
units are abnormal, to check the abnormal units
by digital tube (indoor:X_X_12, outdoor:X_0_0).
Press SW1(DOWN) for 2 seconds, showing
0000, stop.
0
11
2
Wrong wiring
inspection in heating
0
12
2
Indoor expansion
valve open fully
Press SW2(UP) for 2 seconds, showing 1111,
and indoor valves open fully for 2 minutes, then
indoor valves close automatically.
0
13
2
All indoor units
running in cooling
Press SW2(UP) for 2 seconds, showing 1111,
open fully;
Press SW1(DOWN)for 2 seconds, showing
0000, close fully.
0
14
2
All indoor units
running in heating
0
15
2
Cancel all manual
controls (running
type)
Press SW2(UP) for 2 seconds, showing 1111,
cancel; or press SW1(DOWN)for 2 seconds,
showing 0000, cancel.
Cancel content:
Wrong wiring inspection in cooling and
heating, indoor units open/close fully, operate
compulsively and rated operating, etc.
SW9 SW10 SW11
Function
Operational approach
15
0
2
BM1and BM2 setting
condition
Hex display. BM1
：
Use LED1and LED2to
display
，
BM2
：
Use LED3and LED4 to display
15
1
2
BM3and BM4 setting
condition
Hex display. BM3
：
Use LED1and LED2to
display
，
BM4
：
Use LED3and LED4 to display
15
2
2
Capacity correction
class
0 means short piping length
；
1 means medium
piping length, 2 means long piping length.
15
3
2
Defrosting
compensation
10
、
8
、
6
15
4
2
BM5 setting
condition
Hex display. Use LED3 and LED4 to display.
15
5
2
Over match
inspection
135 stands for limitation;0: without limitation.
15
6
2
Heating limit when
outdoor temp. over
25
℃
25 stands for limitation;
0: without limitation.
15
7
2
Silent operation
setting
0:without silent operation;
1: with silent operation
