a2b ACCORRONI HUB RADIATOR DHP 3.0 + 3.0, Техническое руководство

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15. DIGITAL CONTROL UNIT
15.1 DISPLAY
Information available on the display :
15.2 DISPLAY ICONS
______________________________________
Lit when the display shows
a temperature or a pressure
______________________________________
On when the lower display displays
the current time, the hours of load
operation, etc.
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Flashing on when alarm
_____________________________________
On if active
an automatic editing function
of the set-point (dynamic set-point,
function for machines without
accumulation, Energy Saving);
if the function is enabled
but not active the icon is off
°C -°F
BAR-PSI
______________ ____________ ____________
On during menu access
functions
______________________________________
Lit if the resistances are
on (antifreeze heaters, boiler)
______________________________________
Lit flashing during the interval count
between defrosts; the icon is on steady
during the phase of defrosting
______________________________________
Lit flashing if the input digital flow switch
is active (both with pump ON That
with pump OFF)
Lit if at least one of the 2 pumps water
(evaporator pump or pump condenser)
is on
Lit if the fans are on
On if the relative compressor is on
switched on; is flashing if the
compressor it is in ignition timing
On if the open collector output is active
The HP icon and the LP icon are lit.
flashing in case of alarm High or
Low pressure active.
Interfaccia utente
- Primary display (red color): display configurable
from parameter CF36 (PB1, PB2, PB4, Set-point
(parameter value) *, Set-point real *, Hysteresis,
Machine status **);
- Secondary display (yellow color)
display configurable from parameter CF43
(PB1, PB2, PB3, PB4, Set-point (by parameter) *,
Real set-point * Hysteresis, RTC, Machine status
**);
* the display shows the chiller set when
the unit is switched on in chiller mode, the heat
pump set when the unit is turned on in heat pump
mode, OFF with unit in stand by;
** the display shows OnC when the unit is
turned on in chiller mode, OnH when the unit is
switched on in heat pump OFF mode with unit in
stand by.
On if the machine is on e represents the
operating status Heat or Cool depending on
the logic set in parameter CF31