ACV International
7
2.4
PC Interface
The burner manager is equipped with an interface for a PC, which can be connected by
means of a special cable and associated software. This facility allows the behaviour of
the burner manager , the appliance and the heating installation to be monitored over a
longer period.
2.5
Test program’s
The burner manager has a facility for placing the appliance in test mode.
Activation of a test program will result in the appliance starting operation at a fixed fan
speed, without the control functions being actuated.
The safety functions do remain active.
The test program is ended by pressing the and simultaneously.
Test programs
Program description
Button
combinations
Display reading
Burner on at minimum CH power
and
“L”
Burner on with maximum CH power
setting (See section 7.3, parameter 3)
and (1x)
“h”
Burner on with maximum DHW power
(See section 7.3, parameter 4)
and (2x)
"H"
Switch off test program
and
Actuele
bedrijfssituatie
Addition readings :
During test mode the following data can be read :
•
By pressing the button continuesly in the display the CH water pressure is shown.
•
By pressing the button continuesly in the display the ionisation current is shown.
2.5.1
Frost protection
•
To prevent freezing of the appliance it is equipped with appliance
frost protection. If the heat exchanger temperature falls to low, the
burner swiches on and the pump runs until the heat exchanger
temperature is sufficient. When the appliance frost protection is
actuated code
7 ‘
is displayed (pre heating exchanger).
•
If the installation (or a part of it) can freeze, an (external) frost
thermostat must be fitted to the return line at the coldest location.
This must be connected in accordance with the wiring diagram.
(See section 10.2.)
Note
If the appliance is out of operation (
-
on the service display) the appliance frost
protection
is
active. However, a request for heat from an (external) frost thermostat will not
be responded to.
