37.4
Boiler Control Panel
The boiler control panel incorporates the
following features.
37.5
System water pressure
Informs user of current system water
pressure.
37.6
On / off switch
Boiler isolating switch.
Always switch to the OFF position
when working on the unit.
37.7
Lcd control display
The display has two lines:
the upper line indicates the current
operating status e.g HW DEMAND and
either “S” (summer) or “W” (winter / “D”
(day) or “n” (night).
b. the lower line indicates on the left-hand
side the current boiler water temperature,
and on the right-hand side the time.
If the button is pressed briefly, the following
data may be viewed in the following order:
Press 1 x T1 supply temperature in the
system
Press 2 x T3 tap water temperature
Press 3 x T4 return temperature in the
system
Press 4 x T5 water, if connected, or the
maintained temperature of the built-in tap
water exchanger of the boiler
Press 5 x T6 outside temperature
Press 6 x Room 1 - heat demand value of
connected room unit
Press 7 x Speed 1 - fan speed
Press 8 x Pump - % pump speed in
relation to maximum
Only the values of connected components
are shown.
37.8
Menu - reset button
A pressure operated switch activated by
pressing with finger until sensor below
casing facia clicks or display changes.
This button when pressed allows:
Access to 3 layer menu programming
options.
Access to current boiler status displays.
Confirms an entry when programming
control.
Reset the boiler after lockout.
For meaning of lockout “FLASHING” display
please refer to installer manual.
37.9
Summer winter button
Advances (scrolls forwards through
menu and programming options).
Increases a value in the LCD display.
Sets boiler control to either summer
(hot water only) or winter (hot water
and heating both on mode)
37.10
Engineers button
Reverses (scrolls backwards through
menu and programming options).
Reduces a value in the LCD display.
Places appliance into engineer’s
mode for servicing purposes.
37.11
Test button
Checks overheat safety feature. When the
burner is on and the button depressed, the
burner will shut down when button released,
the unit will start up again.
Checks pump function. When the burner is
off and the button depressed, the pump will
run at 100% speed for approx 2 seconds.
37.12
General
To access the programming mode for times,
temperatures, etc., the "Menu" button must
be depressed for
3 seconds
the screen will
briefly display “-MENU-“ and display a menu
option. Use the "+" and "-" buttons to scroll
through the various options and the "MENU"
button to select and confirm changes.
EC 16~38 Installation Manual page 57
