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3)Master unit information center: display parameters of the whole system
SW9 SW10 SW11 Function Operation
0 0 2 Refrigerant type 410A: R-410A refrigerant
0 1 2
Total qty and capacity of outdoor
units in the same system
LD1: qty of outdoor
LD2
：
displays“-”
LD3/ LD4
：
total capacity of outdoor
（
unit: HP
）
Eg, 3-48 represents 3 outdoors with total capacity of 48HP
0 2 2 Total capacity of indoors 50.0: 50HP
0 3 2
Qty of VB and indoors in the
same system
LD1/ LD2
：
Qty of VB (3 pipes model)
LD3/ LD4: Qty of indoor units
Eg, 0206 represents 2 VB and 6 indoor units
0 4 2
The number and total capacity of
indoors with temp. sensors ON
under cooling
LD1/ LD2
：
the qty of indoors with temp. sensors ON under cooling
LD3/ LD4
：
total capacity of indoors with temp. sensors ON under cool-
ing (unit: HP)
Eg, 0312 represents 3 indoors with temp. sensors ON under cooling and
total capacity is 12HP.
0 5 2
The number and total capacity of
indoors with temp. sensors ON
under heating
LD1/ LD2
：
the qty of indoors with temp. sensors ON under heating
LD3/ LD4
：
total capacity of indoors with temp. sensors ON under
heating (excluding capacity correction of closed temp. sensors) (unit: HP)
Eg, 0624 represents 6 indoors with temp. sensors ON under heating and
total capacity is 24HP. (excluding capacity correction of closed temp.
sensors)
0 6 2 Target cooling temp.
Unit: degree
0 7 2 Target heating temp.
0 8 2
Refrigerant evacuation
Setting
*Only for outdoor evacuation.
For indoor evacuation, do not
set. When it finishes, cancel the
setting or re-electricity.
Press SW2(UP) for 2 secs continuously, display 1111 and start up; digital
tube displays "YES", detailed response: SV9, SV10, SV11 open; LEVa1,2,
LEVb open for 100pls, the other valves close compulsorily. Press
SW1(DN) for 2 secs continuously, display 0000 and stop (setting is invalid
when unit is running)
0 9 2
Refrigerant charging
Setting
*Only for gas charged outdoor.
For indoor is charged, do not set.
When it finishes,
Cancel the setting or re-
electricity.
Press SW2(UP) for 2 secs continuously, display 1111 and start up; digital
tube displays "YES", detailed response: LEVa1, 2 open for 500pls, the
other valves close compulsorily. Press SW1(DN) for 2 secs continuously,
display 0000 and stop (setting is invalid when unit is running)
0 10 2
Wrong wiring inspection in
cooling
Press SW2(UP) for 2 secs continuously, display 1111 and start up; digital
tube counts down judging time by second; after time arrives, display
the result: "00.00" shows the result is in conformity with the actual
connection; "01.05" shows one outdoor and 5 indoors are abnormal,
to check the abnormal units by digital tube (indoor: X_X_13, outdoor
X_0_0); Press SW1(DN) for 2 secs continuously, display 0000 and stop.
0 11 2
Wrong wiring inspection in
heating
0 12 2 Indoor expansion valve open fully
Press SW2(UP) for 2 secs continuously, display 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 secs continuously, display 1111 and start up;
Press SW1(DN) for 2 secs continuously, display 0000 and stop.
0 14 2 All indoor units running in heating
Press SW2(UP) for 2 secs continuously, display 1111 and start up;
Press SW1(DN) for 2 secs continuously, display 0000 and stop.
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