Airwell YEVFD Series, Service Manual

Page: 53 / 92

SW1 SW2 SW3 Function Digital tube LD1 ~ 4 display
0 12
（
C
）
2
Indoor unit expansion valve
fully open
Press ENTER (SW7) for 3 seconds, display 1111, indoor
valve fully open
Press EXIT (SW6) for 3 seconds, display ----, cancel the
forced control of the indoor unit expansion valve.
0 13
（
D
）
2 All the indoor unit in cooling Press ENTER (SW7) for 3 seconds, display 1111, open
；
Press EXIT (SW6) for 3 seconds, ----, close
0 14
（
E
）
2 All the indoor unit in heating
0 15
（
F
）
2
Cancel all manual control
(running class)
Press ENTER (SW7) for 3 seconds, display 1111 cancel; or
press EXIT (SW6) for 3 seconds, display 0000, cancel
Remove all manual control (part), all indoor unit close.
Each need to be set separately, setting method:
(1)Press ENTER (SW7) for 3 seconds, enter the setting state, flashing display the current value
(2) Press UP (SW4) or DOWN (SW5) to adjust parameters
(3)After the adjustment is completed
A> In the current state of the code, press the ENTER (SW7) for 3 seconds within the effective setting time, save
the current setting value and exit the setting state, stop the flicker display, wait for 5 seconds and then power up
again.
<B> In the current state of the code, not press ENTER (SW7) or change the dip switch selection, do not save the
current set value, exit the setting state, stop flashing display
E2 control parameters display and setting
SW1 SW2 SW3 Function Digital tube LD1 ~ 4 display
15
（
F
）
0 2
Remark of indoor unit adjusting valve
when heating standby
0-unavaiable 1-available
15
（
F
）
1 2 Oil return mode select
0- long piping unavailable
1-long piping available
15
（
F
）
2 2 Area selection
0- Ameracan unavailable
1- Ameracan available
15
（
F
）
3 2 Start mode priority
0- first open is priority
；
1- last open is priority
2- cooling priority
；
3- heating priority
15
（
F
）
4 2 Capacity over match selection 1- forbidden
15
（
F
）
5 2 ECO and normal operaion selsction 0- ECO 1- Normal operaion
15
（
F
）
6 2 Cooling only or heat pump selection
0- Cooling only
1-heat pump
15
（
F
）
7 2 New and old protoco selection
96-new protoco
24-old protoco
15
（
F
）
8 2 Fan mode selsction
0-normal
1-Energy efficiency testing
2-High ESP
15
（
F
）
9 2 Modus protocol selection
0-Modus protoco
1-Central wired controller protoco
15
（
F
）
10 (A) 2
Expansion valve LEV fault shield
selection
0- not shielded, normal detection
1- shielded
15
（
F
）
11
（
B
）
2 Snow-proof operation setting
0-without snow-proof operation
，
1-snow-proof operation
51