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4.2 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 master unit can show the parameters of other outdoor units and indoor units. The slave unit can only show its
own parameters, 0 for SW9.)
Note:
When the master unit SW9/SW10/SW11 are 0/0/0,
(1)Starting up for the rst time, search the slave unit rst, showing 1:0 circularly from left to right. If one slave unit
is searched, show 2:01. If two slave units 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 conrming which indoor units it is connected and then send this
message to the outdoor unit.
(4)After nishing conrming 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.
0-2
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 minus 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
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