31
14.3
KEY FUNCTION
___________________________________________________
FUNCTION
KEY
___________________________________________________
Pressure and release in
main view:
allows viewing
of the chiller set point (SetC label)
Pressure and release 2 times in main view:
if the energy saving function, dynamic set point or
for machines without accumulation the icon is
enabled Vset is on and the display is on displays
the actual working set.
________________________________________
Pressure for 3 seconds and release in main view:
allows set point modification chiller / heat pump.
________________________________________
Pressure and release in programming:
allows access to the change of the selected
parameter; It allows confirmation of the set value
in the parameter modification phase.
________________________________________
Press and release in the AlrM menu: allows alarm
reset (if resettable) from the ALrM menu.
___________________________________________________
Pressure and release:
from main view allows
the display of the probe values
configured (temperatures / pressures)
in the upper display and the corresponding one
label in the lower display.
___________________________________________________
14.
DIGITAL CONTROL UNIT
14.2 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.
___________________________________________________
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
___________________________________________________
On during access to the functions menu
i
___________________________________________________
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 ON pump
and with OFF pump
________________________________________________
°C -°F
BAR-PSI
Lit if at least one of the 2 water pumps
(evaporator or pump pump condenser) is on
___________________________________________________
On if the fans they are on
___________________________________________________
On if the relative compressor is on switched on;
it is flashing if the compressor it is in ignition
timing
___________________________________________________
On if output open collector is active
___________________________________________________
On if the machine is on e represents the
operating status Heat or Cool depending
on the logic set in parameter CF31
___________________________________________________
The HP icon and the LP icon are lit.
flashing in case of High alarm
o Low active pressure.
14.1 DISPLAY
Information available on the display:
- Primary display (red color): display configurable from
parameter CF36 (PB1, PB2, PB4, Set-point (parameter value)
*, real set-point *, hysteresis, state machine**);
- 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 on
in chiller mode, the heat pump set when the unit is turned on
PdC mode, OFF with unit in stand-by;
** the display shows OnC when the unit is switched on in mode
chiller, OnH when the unit is switched on in heat pump OFF
mode with unit in stand by.
Summary of Contents for HUB RADIATOR PACK CF 3.0
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