Adjustment Function Details; Date And Time Functions; User Interface Functions - Fujitsu WATERSTAGE WS A050DD6 Series Maintenance Document

Split system single phase type
COMMAND ACCESS
LINE LEVEL
9073 U
9074 U
9075 U
4.3

Adjustment Function Details

4.3.1 Date and Time Functions

The controller has an annual clock which contains the time, the day of the week and the date.
In order for the function to operate, the time and date must be set properly on the clock.
NOTE: Summer time/winter time change
Dates have been set for changing to summer time or to winter time. The time changes automatically from 2am
(winter time) to 3am (summer time) or from 3am (summer time) to 2am (winter time) on the first Sunday
following the respective date.

4.3.2 User Interface Functions

LINE NO.
20
22
26
27
28
29
Info (22):
•
Temporary:
After pressing the Info key, the information display
returns to the basic "predefined" display after 8
minutes or when pressing the operating mode key.
•
Permanent:
After pressing the Info key, the information display
returns to the "new" standard display after a
maximum of 8 minutes. The last selected information
value is shown in the new basic display.
Maintenance Document 1589-3
FUNCTION
Relay output QX33
Relay output QX34
Relay output QX35
LINE NO. PROGRAMMING LINE
1 Hour/minutes
2 Day/month
3 Year
5 Start of summertime
6 End of summertime
PROGRAMMING LINE
Language
Info
Operation lock
Programming lock
Direct adjustment...
Temperature unit
Pressure unit
SETTING RANGE
Off/on
Off/on
Off/on
Operation lock (26):
If the operating lock is activated, the following control
elements can no longer be adjusted:
Heating circuit mode, DHW mode, room temp comfort
setpoint (knob), occupancy key.
FACTORY
SETTING
Off
Off
Off
51