Heat Pump, Split System, Single Service, 3 phase
Maintenance Document
1394-1
71
6.3.2 User Interface Functions
LINE NO.
PROGRAMMING LINE
20 Language
22
Info
26 Operation
lock
27
Programming lock
28 Direct
adjustment
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.
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.
Programming lock (27):
If the programming lock is activated, the setting
values are displayed but may no longer be changed.
•
Temporary Suspension of Programming
The programming lock can be temporarily
deactivated at programming level. To do this,
simultaneously press the OK and ESC keys for at
least 3 seconds. The temporary suspension of the
programming lock remains in effect until you exit the
programming.
•
Permanent Suspension of Programming
First perform a temporary suspension, then cancel
"Programming lock" on line 27.
Direct adjustment (28):
•
Automatic Save
Correction of the setpoint with the knob is adopted
without a particular confirmation (timeout) or by
pressing the OK key.
•
Confirm save
Correction of the setpoint with the knob will be
adopted only after pressing the OK key.
Used as (40):
LINE NO.
PROGRAMMING LINE
40*
Used as
(Room unit 1 / Room unit 2 / Room unit P / Operator unit1 ¦ Operator
unit 2 ¦ Operator unit P ¦ Service unit)
* applies only to room central units C75
This line allows adjusting the use of the user
interface. According to use, other settings will be
required under "Heating circuit assignment". If
several user interfaces are used, operation of each
device can be defined selectively.
o
If several user interfaces are used, each device
address may be used only once.
o
The user interface mounted to the Hydraulic
Units is set in the factory as operating device 1 (line
40) which has an effect on all heating circuits (line
42) and can be configured only on command lines
44, 46, 48.
Depending on how the device is used (line 40), the
following adjustments can be made for assignment
to the heating circuits with the following effects: