44
②
Outdoor parameter
SW9 is used to select outdoor unit number, SW10 and SW11 working together to show outdoor
parameter.
For example, SW9 is set as 0, that shows No.0 outdoor parameter; set as 1, that shows No.1
outdoor parameter...
(Master unit can display the other outdoor parameter and indoor parameter, but the slave unit
only displays its own parameter).
Start up for commissioning, search slave units and display flashing 0 from left to right. If one
slave unit is found, display 1; two slave units are found, display 2; and so on, the max. number
is 8. After searching slave units, display outdoor failure code; if no failure, display 0. 0~2 of SW9
are used to select outdoor unit number.
Electric wiring and the application
SW9 SW10 SW11
Function
Digital tube LD1- 4 display
Unit
No.
0-3
0
0
Display outdoor
failure code
Failure code is transmitted by outdoor bus data. If
no failure, display the time in stopwatch counting
down from the 6
th
hour for electrical heating.
Press SW2(UP) for 2 secs continuously, displaying
1111, then come into historical failure inquiry state.
10 failures happened recently can be checked.
Blinking display the failure number and code. Press
SW2(UP) once to show the next one and press
SW1(DOWN) once to show the previous one.
Exit the setting mode automatically after 2 mins.
Press SW1(DOWN) for 2 secs continuously,
displaying 0000 to exit the inquiry state and stop
blinking
；
DIP switch plate shows 13,0,0. Press SW2(UP) for
2 secs continuously, displaying “1111” can eliminate
the historical failure records.
1
0
Display priority and
capacity of outdoor
units
LD1 displays the priority of outdoor units
LD2 displays “-”
LD3-4 displays the capacity of outdoor units (unit:
HP)
2
0
Display priority and
capacity of outdoor
units
LD1: 0: stop C: cooling H: heating
LD2-LD4: 60 represents 60% of capacity output
5
0
Current frequency
of INV compressor
110.0: 110.0Hz
Press SW2(UP) for 2 secs continuously, display
1111 then come into the setting state with blinking
display: press SW2(UP) once and the frequency
will increase 1Hz; press SW1(DOWN) once and
the frequency will decrease 1Hz; exit the setting
state automatically after 5 mins.
Press SW1(DOWN) for 2 secs continuously,
displaying 0000 to exit the setting state and stop
blinking.
(Compressor is forbidden to start up when there
are system failures)
