46
Dif
fer
ential Contr
oller
User Guide
12.1 Operation
Explanation of the Operating Elements
In Display Level (Normal Mode)
OFF/ON/MANUAL
switch ( / / )
Access the
operating level by
pressing the Plus
and Minus keys
simultaneously.
(Automatic reset
after 2 min. without
operation).
In Operating Level (Setting Parameters)
Programming key
(selection or input)
Plus key (next value
or increase value)
Minus key
(previous value or
decrease value)
Press the Plus and
Minus keys
simultaneously to
return to the
display level.
Program Switch Settings
OFF:
The pump is not
activated.
ON:
Normal operation;
regulation according
to settings.
MANUAL:
All pumps operate
(all relays closed).
The function is reset
to Automatic
mode after 30 min.
prog
prog
Display (Normal Mode)
When in Normal mode, select the
display required with the rotary knob at
the front:
B
Display the selected temperature /
or time
C
Weekday 1=Monday - 7=Sunday;
here Saturday
D
Pump operation indicator (Arrow =
Pump ON)
a = Pump A1 is ON (see
connection diagram)
E
Operation indicator = OFF,
= ON, ( = Hand => Pumps
ON max. duration = 30 min.)
F
When the total solar production in
display C2 exceeds 10 MW, the
three arrows appear above the
text: "
x 1000".
A Designation of Temperature Displayed
--
Time
F1
Temperature of collector or
solid fuel boiler
F4
Temperature of storage
heater at bottom
C1
Day's production in kW
C2
Total production in kW. From
10 MW, display in MW (=>
Arrow appears on "
x
1000")
Figure 105:
Rotary Knob
12
Differential Controller
User Guide
Note: Please follow the safety information and
read these instructions carefully before putting
the system into operation.
A
E
F
B
C
D
Figure 106:
Temperature Display
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