Airwell YEVFD Series, Service Manual

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15. Outdoor digital tube display setting
■ Long press ENTER (SW7) 3 seconds to enter dial parameter selection, short press ENTER (SW7) switch edit ,
short press EXIT (SW6) exit
：
■ key part: long press ENTER (SW7)3 seconds to enter parameter view or modify, short press UP (SW4) data
increase, short press DOWN (SW5) data decrease, short press SW6 exit parameter view or modify
■ Display parts: LD1, LD2, LD3, LD4:4 digital tube from left to right.dial code list display mode, LD1 display "_";
parameter display mode, LD1 display "="
①
Indoor unit parameter view
SW1 SW2 System Address
0
0-F
1 to 16 (PCB address 0#~15#)
1 17 to 32 (PCB address 16#~31#)
2 33 to 48 (PCB address 32#~47#)
3 49to 64 (PCB address 48#~63#)
7 65 to 80 (PCB address 64#~79#)
8 81 to 96 (PCB address 80#~95#)
9 97 to 112(PCB address 96#~111#)
A 113 to 128(PCB address 112~127#)
You can view the indoor machine 128 sets of parameters: SW1 and SW2 represent the indoor unit address, SW3
range is 3-14 can view the indoor unit parameters.
SW3 Function Digital tube LD1 ~ 4 display
3
Indoor unit communication
check and program version
Communication normal display indoor unit program version (1 decimal), the
communication interrupted normal display “0000” (5 consecutive round of no
communication success), communication has been abnormal display “---- ---
-””.
For example: 3.9, means the indoor unit version is V3.9
4 Indoor unit failure Display indoor failure code; no failure, display 0
5 Indoor unit capacity The indoor unit capacity (unit: HP, one decimal), 1.5 HP displays 1.5
6 Indoor EEV open angle Electronic expansion valve (EEV) open angle (Unit: Pls)
7 Indoor ambient temp. Tai Ambient temperature (Unit: °C)
8 Indoor gas temperature Tc1 Gas pipe temperature (Unit: °C)
9
Indoor liquid temperature
Tc2
Liquid pipe temperature (Unit: °C)
10
（
A
）
Indoor startup mode, actual
fan speed and SCODE
code
LD2 indicates startup mode ( O: Stop C: cooling H: Heating)
LD3 indicates actual fan speed of indoor unit (0 - stop, 1 - low speed, 2 -
medium speed and 3 - high speed)
LD4 indicate SCODE code (0~15(F
))
.
For example, C3B indicates cooling running at high wind, and the SCODE is
11.
11
（
B
）
Indoor set temperature Tset Indoor set temperature (Unit: °C)
12
（
C
）
Reserve --
13
（
D
）
Reserve --
14
（
E
）
Forced indoor cooling /
heating / stop
(1) press ENTER (SW7) for 3 seconds, to enter setting state, the instruction
value is flashing displayed
(2) press UP (SW4) or DOWN (SW7) to adjust instruction (COOL/HEAT/
OFF).
(3) after finish the adjustment, press ENTER (SW7) for 3 seconds, execute
the setting instruction and stop flashing
48