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Electric wiring and the application
3. Outdoor unit parameters observation
0~3 of SW9 is used to select outdoor unit number, selecting the numbers of different outdoor
units. The range of SW11 is 0, 1, 15, meaning observed outdoor units parameters.
(The host can show the parameters of other outdoor units and indoor units. Submachine can
only show its own parameters, 0 for SW9.)
Note: When the host SW9/SW10/SW11 are 0/0/0,
(1)Starting up for the first time, search the submachine first, showing 1:0 circularly from left to
right. If one submachine is searched, show 2:01. If two sub-machines are searched, show
3:012. “3:012” means there are 3 outdoor units in the system, and 012 means the addresses
for each outdoor unit. (actually,“:”show“=”)
(2)When the numbers of outdoor units is locked, searching the numbers of indoor unit and
valve box, showing “-number of valve box-number of indoor unit” circularly from left to right.
For example, “-2-6-” means there are two valve boxes and six indoor units connected to the
system.
(3)When the numbers of indoor unit and valve box are locked, showing “-number of valve box-
number of indoor unit” sparklingly, which means each valve box is confirming which indoor
units it is connected and then send this message to the outdoor unit.
(4)After finishing confirming connecting information, enter the normal display.
(5)If there is failure during searching, show the outdoor unit failure code as the priority. If there is
failure in outdoor unit after searching, show the outdoor unit failure code, and 0 for no failure.
SW9 SW10 SW11
Function
Display with digital tube LED1~4
Unit
No.
0-3
0
0
Show the outdoor
unit failure code
Failure code is transmitted by outdoor bus data.
If no failure, displaying electric heating 6 hours
countdown time as second.
Press SW2(UP) for 2 seconds, showing 1111,
then enter the historical failure inquiry condition
and the latest 10 failures can be inquired.
Sparklingly showing failure serial number and
failure code. The serial number will add 1 each
time pressing the SW2(UP). The serial number
will plus 1 each time pressing the SW1(DOWN).
The setting condition will quit automatically after
2 minutes.
Press SW1(DOWN) for 2 seconds, showing
0000, then quit the inquiry condition and stop
sparklingly display.
When dial-up wheel on 13,0,0, press SW2(UP)
for 2 seconds, showing 1111, then all the failure
record will be deleted.
1
0
Show the outdoor
unit priority and
capacity
LED1 shows the outdoor priority level;
LED2 shows “-”,
LED3-4 show the outdoor capacity (Unit: HP)
2
0
Show the running
mode and outdoor
capacity output ratio
LED1 shows O: Stop C: Cooling H: Heating
LED2-LD4 60 show 60% of capacity output
