240
2) Outdoor unit parameters observation
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.
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 6th 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)
7 0 Outdoor LEVa1 valve open angle
0---470 steps
Press SW2(UP) for 2 secs continuously, displaying 1111 then come into
the setting state with blinking display: press SW2(UP)and the valve is fully
opened; press SW1(DOWN) and the valve is fully closed; exit the setting
state automatically after 2 mins.
Press SW1(DOWN) for 2 secs continuously, displaying 0000 to exit the
setting state and stop blinking.
8 0 Outdoor LEVa2 valve open angle
9 0 Outdoor LEVb1 valve open angle
10 0 Outdoor LEVc valve open angle
11 0
Outdoor solenoid valve output
indication
LD1
：
4WV
：
1 on 0 of--the far left side of the high position
LD2
：
SV1
：
1 on 0 off
LD3
：
SV3i
：
1 on 0 off
LD4
：
SV31
：
1 on 0 off
12 0
Outdoor solenoid valve output
indication
LD1
：
SV6
：
1 on 0 off--the far left side of the high position
LD2
：
SV9
：
1 on 0 off
LD3
：
SV10
：
1 on 0 off
LD4
：
SV11
：
1 on 0 off
13 0
Outdoor solenoid valve output
indication
LD1
：
SV18i
：
1 on 0 off--the far left side of the high position
LD2
：
SV181
：
1 on 0 off
LD3
：
SV21
：
1 on 0 off
LD4
：
WV42
：
1 on 0 off
14 0 Heater output
LD1
：
CHi
：
1 on 0 off--the far left side of the high position
LD2
：
CH1
：
1 on 0 off
LD3
：
CH2
：
1 on 0 off
LD4
：
Cha
：
1 on 0 off
15 0 Program version 1.0: Ver1.0
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