◆
The numbers which is displayed on left are the status of indoor unit checking
status through communication with same outdoor unit.
(If it indicates 1, 3 and 7, that means the ADDRESS of indoor unit is
set to 1, 3 and 7.)
◆
The numbers which is displayed on right indicate the ADDRESS of SW51,
SW52 and SW53 in sequential. (If it indicates 0, 1 and 2, that means the
SW51 is set to 0, the SW52 is set to 1, and the SW53 is set to 2.)
◆
If the communication error occurs in distributor, the Er
↔
C0 message will be
shown on the display alternatively.
E-
11
ENGLISH
Function of Display
◆
If you press a KEY on the PCB, the display will show you a step of appropriate
electronic expansion valve.
KEY function
K1
K2
K3
K4
Step of electronic expansion valve A
Step of electronic expansion valve B
Step of electronic expansion valve C
-
19
(19 x 10 =
190 STEP)
-
KEY No.
Meaning
Example
