Daikin EWWQ-AJYNN Service Manual page 26

The Digital Controller
1
2
3
4
5
2–20
It allows to adjust the setpoints within the limits previously set in prog.
Date and time setting.
Input/Output and corresponding circuit functions visualization.
Print (not available).
(=print)
By the Password it is possible to access the maintenance functions.
(=maint)
It allows to visualize the main menu.
It allows the passage from one board to the other (visualizing parameters
of corresponding compressors).
Y
It allows the changeover between chiller to heat pump (only if enabled).
B
It allows the changeover between heat pump to chiller (only if enabled).
Key On/Off unit.
It indicates the presence of possible anomalies and their causes.
It allows the passage to the previous display screen.
(=up)
It allows the passage to the next display screen.
(=down)
ESIE07-05
Part 2 – Functional Description