40
730.138 | 08.1
EN
7.3.3 Back-up heating function
This function allows thermostatic control of an output for additional
heating of the solar storage tank using an oil or gas burner. This function
can also be limited to specific times by using additional time control.
Time control: time switch with 3 time windows.
Temperature control: When the temperature in the upper part of the
storage tank falls below the "on" value, then the output is switched on
until the "off" temperature is reached.
Choosing the input and setting the temperature limits
"Functions" submenu selected, see "Selecting a function"
(see chapter 7.3.1).
Back-up heating activated, see "Activating a function"
(see chapter 7.3.1).
Outputs selected, see "Selecting an output" (chapter 7.3.1).
:
press button.
The display for setting the temperature input and the "on" and
"off" values appears.
SET:
press button.
"T" flashes in the display (storage tank temperature input).
:
choose the desired input.
SET:
press button to confirm.
The "on" value flashes in the display.
:
set the "on" value.
SET:
press button to confirm.
The "off" value flashes after confirmation of the "on" value.
:
set the "off" value.
SET:
press button to confirm.
The settings are saved.
Activating time control
:
press button.
The "Time controlled" display appears.
SET:
press button.
Time control is activated.
:
press button.
The display for setting the duration appears.
SET:
press button.
The time value flashes.
:
set the time value.
SET:
confirm the value and go to the next value.
The settings are saved.
NOTE
The switch-on time must always be before the switch-off time. There-
fore, when the switch-on value is being adjusted, the switch-off value
will also be changed to a later time if necessary. Adjusting the switch-off
value to a time before the switch-on value is blocked.
✓
✓
✓
[.................]
Display: 3.
[Back-up heating]
[.................]
Display: 3.
[Back-up heating]
T
?
[...]: 55°C
[...]: 60°C
Display: 3..3
[on]
[off]
T
?
[...]: 55°C
[...]: 60°C
Display: 3..3
[on]
[off]
[...........]
Display: 3..4
[Time controlled]
[...........]
Display: 3..4
[Time controlled]
Display: 3..4.1
Display: 3..4.1
Summary of Contents for SOLCU
Page 75: ...75 730 138 08 12 EN 14 Notes ...
Page 76: ...730138 ...