2. General product and
delivery information
2.1 General description
The BT1050 is a timer for the control of a bottom blowdown valve.
It allows a valve at the bottom of the boiler to open, removing precipitated solids that could
otherwise build up, eventually causing damage.
The product can be panel, DIN rail or chassis mounted and is powered by a 99 - 264 Vac
mains supply.
2.2 Front panel
The front panel has an LCD graphics display and five-button keypad:
The and buttons are used to:
- scroll up and down through the menus and sub-menus.
- increase or decrease digits when in a menu or sub-menu.
The and buttons are used to:
- exit and enter sub-menus.
- shift left and right to a flashing digit or parameter when in a menu or sub-menu.
The
button is used to:
- enter your choice of digit or parameter, when the digit or parameter is flashing.
- enter the commissioning mode (press and hold for five seconds).
Commissioning sets the product parameters, and allows the user to set and test the outputs,
and to change the pass code - See Section 6.
Fig. 1 Front panel keypad
and definitions
Enter sub-menus and shift
right to the next digit when
the parameter or digit is
flashing.
Scroll down menus /sub-menus.
Decrease digits.
Scroll up menus / sub-menus.
Increase digits.
Enters parameters when the
parameter or digit is flashing.
Hold down for 5 seconds to
enter commissioning mode.
Exit sub-menus and shift left
to the next digit when the
parameter or digit is flashing.
Graphic display.
Time
Information line / Date
