Technical information

IM-P405-39 AB Issue 4
26
6.3.2 Commissioning via the sub-menus
Sub-menus and their functions are outlined below, and enable the user to programme the
unit. Additional information is given where further choices can be made.
On selecting the sub-menu, the changeable variables will appear on the screen bottom
right.
The initial parameter will be the value currently stored in memory. To change the parameter,
scroll through the options using the and buttons. Note the parameters currently
saved /selected will flash. To select a new parameter, press the
OK
button. To exit the
sub-menu, press the button.
6.3.3 MODE sub-menu
Allows the user to switch from automatic or manual control of the valve.
Entering this menu (press the button) allows the user to view
the valve status settings, 'AUTO, OFF, or OPEN' - flashing:
- OFF The timer will give no blowdown.
- OPEN Continuous blowdown e.g. To drain the boiler.
- AUTO Automatic timed blowdown.
Toggle between the settings using the and buttons.
Select the required setting by pressing the
OK
button.
Note: If Open or Off is entered, then the sub-menu will jump to
'Auto'. The selection of Open or Off can be verified by scrolling
through the sub menu again (denoted by flashing selection).
Press the button to exit the sub-menu and return to the run
mode.
Note: AUTO is the normal setting for timed blowdown.
Warning: This product will remain in the mode selected in
both run and commissioning mode.
The boiler will be emptied if the controller is left in the OPEN
mode.
MODE
OPEN